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Cheap flights from San Francisco (SFO) to Ontario from $141

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/11. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
SFO — YYZ
jun. 2 — jun. 91
From?
To?
dom. 6/2
dom. 6/9
1 adult, Economy
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How far in advance should I book a flight from San Francisco to Region of Ontario?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 56 days in advance, which can save you up to 63% on flights from San Francisco to Region of Ontario compared to booking the week you need them. Waiting 56 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $544. For sooner than that we have options available in the next 3 days from $799.

What is the cheapest month to fly from San Francisco to Region of Ontario?

February is one of the best times of the year to fly to Region of Ontario from San Francisco. Prices for February average $489 per person but you can even find prices for as low as $173. The most expensive prices can be found in the month of December. Opting for a February flight can save you 34% on your journey compared to booking in December

When is the cheapest time to fly from San Francisco to Region of Ontario (SFO - ON)?

When flying from San Francisco to Region of Ontario, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Cheap Porter Airlines flights from San Francisco to Ontario

Explore cheap flight options specifically provided by Porter Airlines for the route between San Francisco and Ontario. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,696,634 searches. Data last updated mayo 28, 2024.
Check out some of the cheapest Porter Airlines flights we've come across from San Francisco to Ontario. It's recommended that users confirm their flight details before booking.
lun. 7/86:15 amSFO - YUL
Nonstop5h 25mPorter Airlines
mar. 7/167:00 amYUL - SFO
1 stop8h 50mPorter Airlines
Deal found 5/28$417
lun. 7/11:55 pmSFO - YUL
1 stop7h 38mPorter Airlines
jue. 7/47:00 amYUL - SFO
1 stop8h 50mPorter Airlines
Deal found 5/27$425
mar. 6/251:55 pmSFO - YUL
1 stop7h 38mPorter Airlines
jue. 7/47:00 amYUL - SFO
1 stop8h 50mPorter Airlines
Deal found 5/28$426
mar. 7/21:55 pmSFO - YUL
1 stop7h 38mPorter Airlines
jue. 7/47:00 amYUL - SFO
1 stop8h 50mPorter Airlines
Deal found 5/28$428
sáb. 6/296:15 amSFO - YUL
Nonstop5h 25mPorter Airlines
mié. 7/37:00 amYUL - SFO
1 stop8h 50mPorter Airlines
Deal found 5/27$432
sáb. 6/296:15 amSFO - YUL
Nonstop5h 25mPorter Airlines
jue. 7/47:00 amYUL - SFO
1 stop8h 50mPorter Airlines
Deal found 5/27$433
lun. 7/156:15 amSFO - YUL
Nonstop5h 25mPorter Airlines
mar. 7/238:00 pmYUL - SFO
Nonstop6h 12mPorter Airlines
Deal found 5/28$440
lun. 6/31:55 pmSFO - YUL
1 stop7h 38mPorter Airlines
vie. 6/77:00 amYUL - SFO
1 stop8h 52mPorter Airlines
Deal found 5/27$444
mar. 6/41:55 pmSFO - YYZ
Nonstop5h 05mPorter Airlines
lun. 6/1710:15 amYYZ - SFO
Nonstop5h 37mPorter Airlines
Deal found 5/27$464

Cheap American Airlines flights from San Francisco to Ontario

Explore cheap flight options specifically provided by American Airlines for the route between San Francisco and Ontario. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,696,634 searches. Data last updated mayo 28, 2024.
Take a gander at the lowest prices we've found on American Airlines flights from San Francisco to Ontario. Deals frequently update to provide users with more options.
lun. 6/105:00 pmSFO - YUL
1 stop18h 56mAmerican Airlines
jue. 6/137:29 amYUL - SFO
1 stop18h 43mAmerican Airlines
Deal found 5/27$501
lun. 6/1011:30 pmSFO - YUL
1 stop11h 23mAmerican Airlines
mar. 6/187:29 amYUL - SFO
1 stop16h 27mAmerican Airlines
Deal found 5/28$510
sáb. 6/83:57 pmSFO - YUL
1 stop19h 59mAmerican Airlines
mié. 6/123:46 pmYUL - SFO
1 stop10h 11mAmerican Airlines
Deal found 5/27$513
lun. 6/1011:57 pmSFO - YUL
2 stops10h 56mAmerican Airlines
jue. 6/132:40 pmYUL - SFO
2 stops10h 58mAmerican Airlines
Deal found 5/27$515
lun. 6/36:50 pmSFO - YUL
2 stops12h 35mAmerican Airlines
vie. 6/72:40 pmYUL - SFO
2 stops11h 15mAmerican Airlines
Deal found 5/27$617
jue. 6/69:59 pmSFO - YUL
1 stop12h 46mAmerican Airlines
dom. 6/97:29 amYUL - SFO
1 stop18h 43mAmerican Airlines
Deal found 5/27$736
jue. 6/69:59 pmSFO - YUL
1 stop12h 46mAmerican Airlines
dom. 6/97:29 amYUL - SFO
2 stops11h 24mAmerican Airlines
Deal found 5/27$850

Cheap San Francisco to Ontario flights in May & June 2024

Find cheap flight options from San Francisco to Ontario specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,696,634 searches. Prices were last updated on mayo 28, 2024.
Scroll through some of the best deals on flights from San Francisco to Ontario in 2024. Check back soon for alternative fares.
mar. 6/1112:22 pmSFO - YYZ
1 stop15h 13mMultiple Airlines
mié. 6/198:00 pmYYZ - SFO
1 stop29h 01mMultiple Airlines
Deal found 5/28$236
mar. 6/1112:22 pmSFO - YYZ
1 stop15h 13mMultiple Airlines
jue. 6/208:20 pmYYZ - SFO
1 stop28h 41mMultiple Airlines
Deal found 5/28$248
mar. 6/46:33 pmSFO - YYZ
1 stop22h 19mMultiple Airlines
mié. 6/128:00 pmYYZ - SFO
1 stop19h 33mMultiple Airlines
Deal found 5/27$252
mié. 6/56:34 pmSFO - YYZ
1 stop9h 08mMultiple Airlines
jue. 6/138:20 pmYYZ - SFO
1 stop18h 12mMultiple Airlines
Deal found 5/26$255
mié. 6/512:07 pmSFO - YYZ
1 stop15h 35mMultiple Airlines
jue. 6/138:20 pmYYZ - SFO
1 stop18h 12mMultiple Airlines
Deal found 5/28$256
mar. 6/46:33 pmSFO - YYZ
1 stop22h 19mMultiple Airlines
mar. 6/1112:20 pmYYZ - SFO
1 stop12h 26mMultiple Airlines
Deal found 5/27$260
mié. 6/512:07 pmSFO - YYZ
1 stop15h 35mMultiple Airlines
lun. 6/178:00 pmYYZ - SFO
1 stop20h 56mMultiple Airlines
Deal found 5/27$264
mar. 6/1112:22 pmSFO - YYZ
1 stop15h 20mMultiple Airlines
lun. 6/178:00 pmYYZ - SFO
1 stop20h 56mMultiple Airlines
Deal found 5/28$265
mié. 6/512:07 pmSFO - YYZ
1 stop15h 35mMultiple Airlines
dom. 6/238:20 pmYYZ - SFO
1 stop18h 49mMultiple Airlines
Deal found 5/27$267

San Francisco to Ontario 2024 flight deals

Discover exclusive flight deals for travel between San Francisco and Ontario in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,696,634 searches. Data last updated mayo 28, 2024.
Scroll through some of the best deals on flights from San Francisco to Ontario in 2024. Check back soon for alternative fares.
mar. 6/1112:22 pmSFO - YYZ
1 stop15h 13mMultiple Airlines
mié. 6/198:00 pmYYZ - SFO
1 stop29h 01mMultiple Airlines
Deal found 5/28$236
mar. 6/1112:22 pmSFO - YYZ
1 stop15h 13mMultiple Airlines
jue. 6/208:20 pmYYZ - SFO
1 stop28h 41mMultiple Airlines
Deal found 5/28$248
mar. 9/176:18 pmSFO - YYZ
1 stop9h 17mMultiple Airlines
jue. 10/38:00 pmYYZ - SFO
1 stop8h 28mMultiple Airlines
Deal found 5/27$250
mar. 6/46:33 pmSFO - YYZ
1 stop22h 19mMultiple Airlines
mié. 6/128:00 pmYYZ - SFO
1 stop19h 33mMultiple Airlines
Deal found 5/27$252
sáb. 10/196:18 pmSFO - YYZ
1 stop9h 17mMultiple Airlines
mar. 10/2212:20 pmYYZ - SFO
1 stop12h 18mMultiple Airlines
Deal found 5/28$253
mié. 6/56:34 pmSFO - YYZ
1 stop9h 08mMultiple Airlines
jue. 6/138:20 pmYYZ - SFO
1 stop18h 12mMultiple Airlines
Deal found 5/26$255
mié. 6/512:07 pmSFO - YYZ
1 stop15h 35mMultiple Airlines
jue. 6/138:20 pmYYZ - SFO
1 stop18h 12mMultiple Airlines
Deal found 5/28$256
mar. 9/176:18 pmSFO - YYZ
1 stop9h 17mMultiple Airlines
mar. 9/241:30 pmYYZ - SFO
1 stop11h 08mMultiple Airlines
Deal found 5/28$258
mar. 6/46:33 pmSFO - YYZ
1 stop22h 19mMultiple Airlines
mar. 6/1112:20 pmYYZ - SFO
1 stop12h 26mMultiple Airlines
Deal found 5/27$260

Non-stop flights to Ontario from San Francisco

Discover non-stop flight options from San Francisco to Ontario. Find direct flights with no layovers, providing a convenient travel experience. Explore non-stop flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 2,696,634 searches. Data last updated mayo 28, 2024.
For a quicker trip, book one of these direct flights from San Francisco to Ontario. Users seeking other options on flights from San Francisco to Ontario should update the search form at the top of the page.
mié. 7/176:15 amSFO - YUL
Nonstop5h 25mPorter Airlines
dom. 7/218:00 pmYUL - SFO
Nonstop6h 12mPorter Airlines
Deal found 5/28$432
lun. 7/156:15 amSFO - YUL
Nonstop5h 25mPorter Airlines
mar. 7/238:00 pmYUL - SFO
Nonstop6h 12mPorter Airlines
Deal found 5/28$440
mié. 6/191:55 pmSFO - YYZ
Nonstop5h 05mPorter Airlines
jue. 6/2010:15 amYYZ - SFO
Nonstop5h 37mPorter Airlines
Deal found 5/28$463
mar. 6/41:55 pmSFO - YYZ
Nonstop5h 05mPorter Airlines
lun. 6/1710:15 amYYZ - SFO
Nonstop5h 37mPorter Airlines
Deal found 5/27$464
mié. 6/191:55 pmSFO - YYZ
Nonstop5h 05mPorter Airlines
vie. 6/2110:15 amYYZ - SFO
Nonstop5h 37mPorter Airlines
Deal found 5/28$481
lun. 6/31:55 pmSFO - YYZ
Nonstop5h 05mPorter Airlines
lun. 6/1710:15 amYYZ - SFO
Nonstop5h 37mPorter Airlines
Deal found 5/27$483
mar. 6/41:55 pmSFO - YYZ
Nonstop5h 05mPorter Airlines
sáb. 6/810:15 amYYZ - SFO
Nonstop5h 37mPorter Airlines
Deal found 5/28$491
lun. 7/86:15 amSFO - YUL
Nonstop5h 25mPorter Airlines
mar. 7/168:00 pmYUL - SFO
Nonstop6h 12mPorter Airlines
Deal found 5/28$495
mar. 6/41:55 pmSFO - YYZ
Nonstop5h 05mPorter Airlines
mar. 6/1110:15 amYYZ - SFO
Nonstop5h 37mPorter Airlines
Deal found 5/28$498

San Francisco to Ontario flights leaving soon

Find last-minute flight options from San Francisco to Ontario for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,696,634 searches. Data last updated mayo 28, 2024.
Have a look at some of the flights available from San Francisco to Ontario departing last-minute. It's wise to confirm all flight details are correct before booking.
mar. 6/46:33 pmSFO - YYZ
1 stop22h 19mMultiple Airlines
mié. 6/128:00 pmYYZ - SFO
1 stop19h 33mMultiple Airlines
Deal found 5/27$252
mié. 6/56:34 pmSFO - YYZ
1 stop9h 08mMultiple Airlines
jue. 6/138:20 pmYYZ - SFO
1 stop18h 12mMultiple Airlines
Deal found 5/26$255
mié. 6/512:07 pmSFO - YYZ
1 stop15h 35mMultiple Airlines
jue. 6/138:20 pmYYZ - SFO
1 stop18h 12mMultiple Airlines
Deal found 5/28$256
mar. 6/46:33 pmSFO - YYZ
1 stop22h 19mMultiple Airlines
mar. 6/1112:20 pmYYZ - SFO
1 stop12h 26mMultiple Airlines
Deal found 5/27$260
mié. 6/512:07 pmSFO - YYZ
1 stop15h 35mMultiple Airlines
lun. 6/178:00 pmYYZ - SFO
1 stop20h 56mMultiple Airlines
Deal found 5/27$264
mié. 6/512:07 pmSFO - YYZ
1 stop15h 35mMultiple Airlines
dom. 6/238:20 pmYYZ - SFO
1 stop18h 49mMultiple Airlines
Deal found 5/27$267
mar. 6/412:07 pmSFO - YYZ
1 stop15h 28mMultiple Airlines
jue. 6/138:20 pmYYZ - SFO
1 stop18h 12mMultiple Airlines
Deal found 5/27$269
mié. 6/512:07 pmSFO - YYZ
1 stop15h 35mMultiple Airlines
dom. 6/98:20 pmYYZ - SFO
1 stop28h 46mMultiple Airlines
Deal found 5/27$270
mié. 6/512:07 pmSFO - YYZ
1 stop15h 35mMultiple Airlines
mar. 6/1112:20 pmYYZ - SFO
1 stop12h 26mMultiple Airlines
Deal found 5/28$272

One-way flights to Ontario from San Francisco

Search for one-way flight options from San Francisco to Ontario. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,696,634 searches. Data last updated mayo 28, 2024.
Take a look at some of the best available options we've come across on one-way flights from San Francisco to Ontario. Those needing a return flight from San Francisco to Ontario can use the search form above.
mié. 9/112:41 pmSFO - YTZ
2 stops24h 30mMultiple Airlines
Deal found 5/28$141
sáb. 8/242:41 pmSFO - YTZ
2 stops23h 55mMultiple Airlines
Deal found 5/28$147
jue. 7/42:42 pmSFO - YTZ
2 stops24h 29mMultiple Airlines
Deal found 5/27$158
mar. 6/1110:15 amSFO - YKF
1 stop17h 45mFlair Airlines
Deal found 5/28$179
mié. 7/32:42 pmSFO - YTZ
2 stops24h 29mMultiple Airlines
Deal found 5/28$185
mié. 6/191:55 pmSFO - YYZ
Nonstop5h 05mPorter Airlines
Deal found 5/28$189
lun. 7/11:55 pmSFO - YYZ
Nonstop4h 55mPorter Airlines
Deal found 5/27$190
lun. 7/222:41 pmSFO - YYZ
2 stops23h 51mMultiple Airlines
Deal found 5/27$191
jue. 6/1310:17 amSFO - YYZ
1 stop17h 18mMultiple Airlines
Deal found 5/27$192

Find flights from San Francisco to Ontario within your budget

Customize your flight search to find flights from San Francisco to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,696,634 searches. Data last updated mayo 28, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$236 - $570

Route

Depart

Return

Price

San FranciscoToronto Pearson Intl

SFO - YYZ

SFOYYZ

San Francisco

mar. 6/11

1 stop15h 13m

Toronto Pearson Intl

mié. 6/19

1 stop29h 01m

$236

San FranciscoToronto Pearson Intl

SFO - YYZ

SFOYYZ

San Francisco

mar. 6/11

1 stop15h 13m

Toronto Pearson Intl

jue. 6/20

1 stop28h 41m

$248

San FranciscoToronto Pearson Intl

SFO - YYZ

SFOYYZ

San Francisco

mar. 6/4

1 stop22h 19m

Toronto Pearson Intl

mié. 6/12

1 stop19h 33m

$252

San FranciscoMontreal Pierre Elliott Trudeau Intl

SFO - YUL

SFOYUL

San Francisco

lun. 7/8

Nonstop5h 25m

Montreal Pierre Elliott Trudeau Intl

mar. 7/16

1 stop8h 50m

$417

San FranciscoMontreal Pierre Elliott Trudeau Intl

SFO - YUL

SFOYUL

San Francisco

jue. 7/11

1 stop7h 20m

Montreal Pierre Elliott Trudeau Intl

vie. 7/26

1 stop26h 13m

$434

San FranciscoToronto Kitchener-Waterloo

SFO - YKF

SFOYKF

San Francisco

mar. 8/13

1 stop9h 02m

Toronto Kitchener-Waterloo

mar. 8/20

2 stops11h 18m

$481

San FranciscoMontreal Pierre Elliott Trudeau Intl

SFO - YUL

SFOYUL

San Francisco

lun. 6/10

1 stop18h 56m

Montreal Pierre Elliott Trudeau Intl

jue. 6/13

1 stop18h 43m

$501

San FranciscoMontreal Pierre Elliott Trudeau Intl

SFO - YUL

SFOYUL

San Francisco

lun. 6/24

1 stop17h 42m

Montreal Pierre Elliott Trudeau Intl

mar. 6/25

Nonstop6h 12m

$545

San FranciscoMontreal Pierre Elliott Trudeau Intl

SFO - YUL

SFOYUL

San Francisco

dom. 8/18

Nonstop5h 25m

Montreal Pierre Elliott Trudeau Intl

mié. 8/28

Nonstop6h 16m

$570

Flights are sorted by cheapest first

Deals found on 5/28

No data available for this route at this time. Please check back soon.

Best time to book a flight from San Francisco to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from San Francisco with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated mayo 28, 2024.
Peruse reviews from past customers who have flown with Porter Airlines, American Airlines and WestJet from San Francisco to Ontario to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.1
Very good
9,194 reviews
Check prices

Comfort

7.9

Crew

8.6

Overall

8.1

Entertainment

7.3

Boarding

8.2

Food

7.3

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Alaska Airlines
8.1
Very good
9,194 reviews
Alaska Airlines
8.1
Very good
9,194 reviews
Check prices

Comfort

7.9

Crew

8.6

Overall

8.1

Entertainment

7.3

Boarding

8.2

Food

7.3

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Delta
8.0
Very good
10,476 reviews
Alaska Airlines
8.1
Very good
9,194 reviews
Check prices

Comfort

7.9

Crew

8.6

Overall

8.1

Entertainment

7.3

Boarding

8.2

Food

7.3

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

WestJet
7.5
Good
2,871 reviews
Alaska Airlines
8.1
Very good
9,194 reviews
Check prices

Comfort

7.9

Crew

8.6

Overall

8.1

Entertainment

7.3

Boarding

8.2

Food

7.3

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Porter Airlines
7.4
Good
395 reviews
Alaska Airlines
8.1
Very good
9,194 reviews
Check prices

Comfort

7.9

Crew

8.6

Overall

8.1

Entertainment

7.3

Boarding

8.2

Food

7.3

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

United Airlines
7.4
Good
10,799 reviews
Alaska Airlines
8.1
Very good
9,194 reviews
Check prices

Comfort

7.9

Crew

8.6

Overall

8.1

Entertainment

7.3

Boarding

8.2

Food

7.3

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Related info for your journey

Find useful and relevant information for your journey from San Francisco to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from San Francisco to Ontario?

    Most people fly from San Francisco (SFO) if they book a flight from San Francisco to Ontario. San Francisco is conveniently located just 11.8 mi from San Francisco’s city center.

  • Can I find flights from San Francisco to Region of Ontario for under $300 on Cheapflights?

    Yes, there are multiple flights from San Francisco to Region of Ontario for under $300. The cheapest flight booked recently is on Multiple Airlines for just $236, but on average you can expect to pay $266.

  • Are there nonstop flights from San Francisco to Region of Ontario for under $500 on Cheapflights?

    Cheapflights has at least 20 direct flights from San Francisco to Region of Ontario under $500. A good price for a nonstop flight from San Francisco to Region of Ontario is less than $491.

  • Are there last-minute flights available from San Francisco to Region of Ontario for under $300?

    There are currently 20+ open flights from San Francisco to Region of Ontario within the next 7 days for less than $300.

  • What days are nonstop flights available from San Francisco to Region of Ontario?

    Days when nonstop flights are available for this flight are: Tuesday.

  • How many flights depart from San Francisco to Region of Ontario on average per day?

    Per day, 3 flights depart from San Francisco to Region of Ontario on average.
    Evening (6pm - Midnight) - 100% of flight departures

  • What are the cheapest airlines to fly from San Francisco to Region of Ontario one-way?

    To fly one-way, consider booking your trip with Flair Airlines, which is currently one of the cheapest options available, starting at $179. Porter Airlines flights start at $189 while deals on WestJet start at $197 one-way.

  • What are the most popular routes from San Francisco to Region of Ontario?

    Most travelers choose San Francisco - Toronto Pearson Intl, San Francisco - Montreal Pierre Elliott Trudeau Intl or San Francisco - Toronto Island when deciding on the best route from San Francisco to Region of Ontario.

  • What are the most reliable airlines from San Francisco to Region of Ontario?

    Before booking your flight to Region of Ontario from San Francisco, check out the most reliable airlines to get you to your destination on time: Turkish Airlines (89%), Austrian Airlines (86%), Singapore Airlines( 84%).

  • What are the cheapest flights from San Francisco to Region of Ontario?

    Looking for the cheapest flight from San Francisco to Region of Ontario? While on average our users pay $1,103, our data indicates the cheapest price to be $177. The most popular route (San Francisco - Toronto Pearson Intl), is priced around $252.

  • What does SFO to YYZ mean?

    This is defined as San Francisco Airport (SFO) and Toronto Pearson Intl Airport (YYZ). Codes like Toronto Pearson Intl Airport are often used to just call airports uniquely. Ottawa Airport (YOW), Toronto Island Airport (YTZ), Hamilton Airport (YHM), Toronto Kitchener-Waterloo Airport (YKF), London Airport (YXU) are some additional IATA codes for airports related to your trip.

  • Can I find deals for flights from San Francisco to Ontario that include extra baggage allowance?

    The amount of baggage you can bring on your San Francisco to Ontario flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from San Francisco to Ontario with specific airlines?

    Yes, Cheapflights allows you to browse and filter San Francisco to Ontario flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from San Francisco to Ontario that include hotel bookings?

    Yes. In addition to deals on San Francisco to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Francisco to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Francisco to Ontario.

  • Can I find deals for business class flights from San Francisco to Ontario?

    Yes. Cheapflights offers flight deals from San Francisco to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from San Francisco to Ontario that allow pets onboard?

    Many airlines flying from San Francisco to Ontario offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from San Francisco to Ontario?

    Yes, you can often find last-minute deals on San Francisco to Ontario flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the San Francisco to Region of Ontario flight deals updated?

    The San Francisco to Region of Ontario flight deals you see on this page were last updated on 5/28.

  • What are the most popular airlines that fly from San Francisco to Region of Ontario?

    Before booking your flight from San Francisco to Region of Ontario check out the most popular airlines for this route: American Airlines, Air Canada or Alaska Airlines.

  • When is the best time to book a flight from San Francisco to Region of Ontario?

    Currently, January is the cheapest month in which you can book a flight from San Francisco to Region of Ontario (average of $237). Flying from San Francisco to Region of Ontario in July is currently the most expensive (average of $391). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for San Francisco to Ontario
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Top 10 airlines flying from San Francisco to Ontario

Discover the top 10 airlines that operate flights from San Francisco to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,696,634 searches. Data last updated mayo 28, 2024.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapest$168Average$457FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Lynx AirCheapest$192Average$236FlexibilityNo cancel feeOn-timeN/A
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Air CanadaCheapest$205Average$598FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
American AirlinesCheapest$218Average$290FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapest$229Average$623FlexibilityNo cancel feeOn-time69%
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DeltaCheapest$234Average$485FlexibilityNo cancel feeOn-timeN/A
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Alaska AirlinesCheapest$236Average$472FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
WestJetCheapest$259Average$465FlexibilityNo cancel feeOn-time60%
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Flair AirlinesCheapest$313Average$537FlexibilityNo cancel feeOn-timeN/A
Search Flair Airlines flights
LufthansaCheapest$427Average$582FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
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Search flights from San Francisco to Ontario by cabin class

Find flights from San Francisco to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Hourly flight availability from San Francisco to Ontario

Find hourly flight availability from San Francisco to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated mayo 28, 2024.
14%of flight departuresEarly morningMidnight to 6 am
41%of flight departuresMorning6 am to noon
23%of flight departuresAfternoonNoon to 6 pm
22%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Book a flight to one of these trending destinations

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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from San Francisco to Ontario?

When you search for this flight from San Francisco to Ontario, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from San Francisco to Ontario?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from San Francisco to Ontario for you. Better yet — we are completely free to use.

Can Cheapflights find flights from San Francisco to Ontario with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from San Francisco to Ontario, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from San Francisco to Ontario become cheaper?

Yes, Cheapflights offers price alerts on San Francisco to Ontario flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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