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Cheap flights from Kitchener-Waterloo (YKF) to San Francisco (SFO) from $150

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 6/17. 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.
YKF — SFO
Jun 12 — Jun 191
From?
To?
Wed 6/12
Wed 6/19
1 adult, Economy
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Cheap flight deals from Kitchener-Waterloo to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Kitchener-Waterloo (YKF) to San Francisco (SFO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 7, 2024.

Popular in

April

Cheapest in

May

Round-trip from

$268

One-way from

$207
High demand for flights, 34% potential price rise
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Best time to find cheap flights, 25% potential price drop
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From Toronto Kitchener-Waterloo to San Francisco
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One-way flight from Toronto Kitchener-Waterloo to San Francisco
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How far in advance should I book a flight from Toronto Kitchener-Waterloo Airport to San Francisco?

Travelers have found it’s best to book a flight 43 days in advance to save up to 107% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 43 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Toronto Kitchener-Waterloo Airport to San Francisco 1-2 weeks in advance for as low as $508, or $763 for flights within the next 24 hours.

What is the cheapest month to fly from Toronto Kitchener-Waterloo Airport to San Francisco?

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, February can be a great choice for travel to San Francisco. Flights to San Francisco from Toronto Kitchener-Waterloo Airport in February are about $428 on average during February, but can be found for as low as $212.

What is the cheapest time of day to fly from YKF to SFO?

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

Cheap Kitchener-Waterloo to San Francisco flights in June & July 2024

Find cheap flight options from Kitchener-Waterloo to San Francisco specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,050,429 searches. Prices were last updated on June 7, 2024.
These are some of the most attractive deals on flights from Toronto to San Francisco in 2024. More deals are always being added, so be sure to check back regularly.
Tue 6/258:35 pmYKF - SFO
1 stop15h 55mFlair Airlines
Tue 8/1310:15 amSFO - YKF
1 stop17h 45mFlair Airlines
Deal found 6/6$377
Tue 6/258:35 pmYKF - SFO
1 stop15h 55mFlair Airlines
Sun 8/1810:15 amSFO - YKF
1 stop17h 45mFlair Airlines
Deal found 6/6$380
Thu 7/256:15 amYKF - SFO
1 stop8h 45mWestJet
Sun 8/47:30 amSFO - YKF
1 stop14h 22mWestJet
Deal found 6/6$389
Tue 6/258:35 pmYKF - SFO
1 stop15h 55mMultiple Airlines
Mon 8/123:20 pmSFO - YKF
1 stop12h 40mMultiple Airlines
Deal found 6/6$393
Tue 6/258:35 pmYKF - SFO
1 stop15h 55mMultiple Airlines
Sat 8/177:30 amSFO - YKF
2 stops20h 30mMultiple Airlines
Deal found 6/6$396
Wed 6/268:15 pmYKF - SFO
1 stop16h 15mFlair Airlines
Sun 8/1810:15 amSFO - YKF
1 stop17h 45mFlair Airlines
Deal found 6/6$397
Tue 6/258:35 pmYKF - SFO
1 stop15h 55mMultiple Airlines
Tue 8/1312:50 pmSFO - YKF
2 stops15h 10mMultiple Airlines
Deal found 6/6$399
Wed 6/268:15 pmYKF - SFO
1 stop16h 15mMultiple Airlines
Mon 8/123:20 pmSFO - YKF
1 stop12h 40mMultiple Airlines
Deal found 6/6$409
Mon 6/249:40 pmYKF - SFO
1 stop17h 20mMultiple Airlines
Tue 8/1310:15 amSFO - YKF
1 stop17h 45mMultiple Airlines
Deal found 6/6$411

Kitchener-Waterloo to San Francisco 2024 flight deals

Discover exclusive flight deals for travel between Kitchener-Waterloo and San Francisco in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,050,429 searches. Data last updated June 7, 2024.
These are some of the most attractive deals on flights from Toronto to San Francisco in 2024. More deals are always being added, so be sure to check back regularly.
Thu 8/226:15 amYKF - SFO
1 stop8h 45mWestJet
Wed 8/287:30 amSFO - YKF
1 stop14h 22mWestJet
Deal found 6/6$365
Tue 6/258:35 pmYKF - SFO
1 stop15h 55mFlair Airlines
Tue 8/1310:15 amSFO - YKF
1 stop17h 45mFlair Airlines
Deal found 6/6$377
Tue 6/258:35 pmYKF - SFO
1 stop15h 55mFlair Airlines
Sun 8/1810:15 amSFO - YKF
1 stop17h 45mFlair Airlines
Deal found 6/6$380
Thu 7/256:15 amYKF - SFO
1 stop8h 45mWestJet
Sun 8/47:30 amSFO - YKF
1 stop14h 22mWestJet
Deal found 6/6$389
Thu 8/226:15 amYKF - SFO
1 stop8h 45mWestJet
Wed 8/287:30 amSFO - YKF
1 stop14h 22mWestJet
Deal found 6/5$391
Thu 8/226:15 amYKF - SFO
1 stop8h 45mWestJet
Thu 8/292:25 pmSFO - YKF
2 stops31h 27mWestJet
Deal found 6/5$392
Tue 6/258:35 pmYKF - SFO
1 stop15h 55mMultiple Airlines
Mon 8/123:20 pmSFO - YKF
1 stop12h 40mMultiple Airlines
Deal found 6/6$393
Wed 9/186:15 amYKF - SFO
1 stop8h 46mWestJet
Thu 10/312:50 pmSFO - YKF
1 stop9h 08mWestJet
Deal found 6/6$396
Wed 6/268:15 pmYKF - SFO
1 stop16h 15mFlair Airlines
Sun 8/1810:15 amSFO - YKF
1 stop17h 45mFlair Airlines
Deal found 6/6$397

Kitchener-Waterloo to San Francisco flights leaving soon

Find last-minute flight options from Kitchener-Waterloo to San Francisco 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 3,050,429 searches. Data last updated June 7, 2024.
Users seeking a last-minute flight from Toronto to San Francisco should consider booking one of these fares. It's wise to confirm all flight details are correct before booking.
Sun 6/168:35 pmYKF - SFO
1 stop15h 55mMultiple Airlines
Sat 6/2210:17 amSFO - YKF
2 stops22h 53mMultiple Airlines
Deal found 6/5$442
Sun 6/168:35 pmYKF - SFO
1 stop15h 55mMultiple Airlines
Fri 6/2112:59 amSFO - YKF
2 stops20h 53mMultiple Airlines
Deal found 6/5$445
Sun 6/168:35 pmYKF - SFO
1 stop15h 55mMultiple Airlines
Sat 6/222:25 pmSFO - YKF
1 stop18h 45mMultiple Airlines
Deal found 6/5$513
Fri 6/146:15 amYKF - SFO
1 stop8h 47mWestJet
Tue 6/256:05 pmSFO - YKF
1 stop27h 47mWestJet
Deal found 6/6$576
Fri 6/146:15 amYKF - SFO
2 stops11h 19mWestJet
Tue 6/253:20 pmSFO - YKF
2 stops30h 32mWestJet
Deal found 6/6$627
Thu 6/136:15 amYKF - SFO
1 stop8h 47mWestJet
Mon 6/177:30 amSFO - YKF
1 stop14h 22mWestJet
Deal found 6/6$679
Sun 6/166:15 amYKF - SFO
2 stops11h 18mWestJet
Sat 6/222:25 pmSFO - YKF
2 stops31h 27mWestJet
Deal found 6/5$682
Thu 6/136:15 amYKF - SFO
2 stops35h 19mWestJet
Mon 6/177:30 amSFO - YKF
1 stop14h 22mWestJet
Deal found 6/6$736
Thu 6/136:15 amYKF - SFO
1 stop8h 47mWestJet
Thu 6/202:25 pmSFO - YKF
2 stops31h 27mWestJet
Deal found 6/6$745

One-way flights to San Francisco from Kitchener-Waterloo

Search for one-way flight options from Kitchener-Waterloo to San Francisco. 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 3,050,429 searches. Data last updated June 7, 2024.
Users in need of a one-way flight from Toronto to San Francisco can choose from these deals. Users can also find round-trip Toronto to San Francisco flights by using the search form above.
Mon 6/179:15 pmYKF - SFO
2 stops17h 45mMultiple Airlines
Deal found 6/6$150
Mon 6/179:15 pmYKF - SFO
2 stops17h 45mMultiple Airlines
Deal found 6/6$151
Mon 6/179:15 pmYKF - SFO
1 stop15h 15mFlair Airlines
Deal found 6/6$161
Mon 6/179:15 pmYKF - SFO
1 stop15h 15mFlair Airlines
Deal found 6/6$169
Sat 8/316:15 amYKF - SFO
2 stops11h 18mWestJet
Deal found 6/6$179
Wed 8/286:15 amYKF - SFO
2 stops11h 18mWestJet
Deal found 6/6$182
Fri 8/236:15 amYKF - SFO
1 stop8h 45mWestJet
Deal found 6/6$185
Thu 6/136:15 amYKF - SFO
1 stop8h 47mWestJet
Deal found 6/6$191
Tue 6/186:15 amYKF - SFO
1 stop8h 45mWestJet
Deal found 6/6$196

Find flights from Kitchener-Waterloo to San Francisco within your budget

Customize your flight search to find flights from Kitchener-Waterloo to San Francisco 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 3,050,429 searches. Data last updated June 7, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$365 - $409

Route

Depart

Return

Price

Toronto Kitchener-WaterlooSan Francisco

YKF - SFO

YKFSFO

Toronto Kitchener-Waterloo

Thu 8/22

1 stop8h 45m

San Francisco

Wed 8/28

1 stop14h 22m

$365

Toronto Kitchener-WaterlooSan Francisco

YKF - SFO

YKFSFO

Toronto Kitchener-Waterloo

Tue 6/25

1 stop15h 55m

San Francisco

Tue 8/13

1 stop17h 45m

$377

Toronto Kitchener-WaterlooSan Francisco

YKF - SFO

YKFSFO

Toronto Kitchener-Waterloo

Tue 6/25

1 stop15h 55m

San Francisco

Sun 8/18

1 stop17h 45m

$380

Toronto Kitchener-WaterlooSan Francisco

YKF - SFO

YKFSFO

Toronto Kitchener-Waterloo

Thu 7/25

1 stop8h 45m

San Francisco

Sun 8/4

1 stop14h 22m

$389

Toronto Kitchener-WaterlooSan Francisco

YKF - SFO

YKFSFO

Toronto Kitchener-Waterloo

Thu 8/22

1 stop8h 45m

San Francisco

Wed 8/28

1 stop14h 22m

$391

Toronto Kitchener-WaterlooSan Francisco

YKF - SFO

YKFSFO

Toronto Kitchener-Waterloo

Tue 6/25

1 stop15h 55m

San Francisco

Mon 8/12

1 stop12h 40m

$393

Toronto Kitchener-WaterlooSan Francisco

YKF - SFO

YKFSFO

Toronto Kitchener-Waterloo

Wed 6/26

1 stop16h 15m

San Francisco

Sun 8/18

1 stop17h 45m

$397

Toronto Kitchener-WaterlooSan Francisco

YKF - SFO

YKFSFO

Toronto Kitchener-Waterloo

Tue 6/25

1 stop15h 55m

San Francisco

Tue 8/13

2 stops15h 10m

$399

Toronto Kitchener-WaterlooSan Francisco

YKF - SFO

YKFSFO

Toronto Kitchener-Waterloo

Wed 6/26

1 stop16h 15m

San Francisco

Mon 8/12

1 stop12h 40m

$409

Flights are sorted by cheapest first

Deals found on 6/6

What is the cheapest day to fly from Toronto Kitchener-Waterloo Airport to San Francisco?

Use this chart to determine the cheapest time to fly round-trip from Kitchener-Waterloo to San Francisco. Price data was last updated on June 2, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Toronto Kitchener-Waterloo Airport to San Francisco flight should consider departing on Friday mornings when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Best time to book a flight from Kitchener-Waterloo to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Kitchener-Waterloo 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.

Temperature and rainfall in San Francisco by month

Plan your trip to San Francisco by taking into account the average temperature and rainfall totals by month.

SFO

Temperature

51.8 - 62.6 °F

If weather is an important factor for your trip to San Francisco, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing San Francisco

Get insights into the airlines that provide service to San Francisco. 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 San Francisco. Reviews last updated June 7, 2024.
Read reviews from past customers who have flown WestJet and Flair Airlines from Toronto to San Francisco. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
WestJet
7.5
Good
2,853 reviews

Entertainment

6.4

Food

6.4

Crew

8.1

Overall

7.5

Comfort

7.3

Boarding

7.6

Reviews

1 / 10

It’s a discount flight so you have to expect to be crammed in. Then there is the food strike at a supplier we were all warned of and they were good with snacks. The attendants were great. I’ll fly them a hand I recommend them, for what they are.

WestJet
7.5
Good
2,853 reviews
WestJet
7.5
Good
2,853 reviews

Entertainment

6.4

Food

6.4

Crew

8.1

Overall

7.5

Comfort

7.3

Boarding

7.6

Reviews

1 / 10

It’s a discount flight so you have to expect to be crammed in. Then there is the food strike at a supplier we were all warned of and they were good with snacks. The attendants were great. I’ll fly them a hand I recommend them, for what they are.

Flair Airlines
6.1
Okay
204 reviews
WestJet
7.5
Good
2,853 reviews

Entertainment

6.4

Food

6.4

Crew

8.1

Overall

7.5

Comfort

7.3

Boarding

7.6

Reviews

1 / 10

It’s a discount flight so you have to expect to be crammed in. Then there is the food strike at a supplier we were all warned of and they were good with snacks. The attendants were great. I’ll fly them a hand I recommend them, for what they are.

Related info for your journey

Find useful and relevant information for your journey from Kitchener-Waterloo to San Francisco. 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 into for flights to San Francisco from Toronto Kitchener-Waterloo?

    Most people fly into San Francisco (SFO) if they book a flight to San Francisco from Toronto Kitchener-Waterloo. On average, San Francisco has 0 inbound flights from Toronto Kitchener-Waterloo per day from 0 airlines. San Francisco is conveniently located just 11.8 mi from San Francisco’s city center.

  • Can I find flights from Toronto Kitchener-Waterloo Airport to San Francisco for under $400 on Cheapflights?

    Yes, there are multiple flights from Toronto Kitchener-Waterloo Airport to San Francisco for under $400. The cheapest flight booked recently is on WestJet for just $365, but on average you can expect to pay $398.

  • Are there last-minute flights available from Toronto Kitchener-Waterloo Airport to San Francisco for under $500?

    There are currently 20+ open flights from Toronto Kitchener-Waterloo Airport to San Francisco within the next 7 days for less than $500.

  • What are the cheapest airlines flying from Toronto Kitchener-Waterloo Airport to San Francisco round-trip?

    According to our current data, WestJet ($365), and Flair Airlines ($377) offers the cheapest pricing from Toronto Kitchener-Waterloo Airport to San Francisco. WestJet is priced at 30% lower than the current average price of a flight leaving 3 months from now.

  • What does YKF to SFO mean?

    YKF stands for Toronto Kitchener-Waterloo Airport, while SFO stands for San Francisco Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry.

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

    The amount of baggage you can bring on your Kitchener-Waterloo to San Francisco 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 Kitchener-Waterloo to San Francisco with specific airlines?

    Yes, Cheapflights allows you to browse and filter Kitchener-Waterloo to San Francisco 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 Kitchener-Waterloo to San Francisco that include hotel bookings?

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

  • How can I find direct flights from Kitchener-Waterloo to San Francisco?

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

  • Can I find deals for business class flights from Kitchener-Waterloo to San Francisco?

    Yes. Cheapflights offers flight deals from Kitchener-Waterloo to San Francisco 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 Kitchener-Waterloo to San Francisco that allow pets onboard?

    Many airlines flying from Kitchener-Waterloo to San Francisco 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 Kitchener-Waterloo to San Francisco?

    Yes, you can often find last-minute deals on Kitchener-Waterloo to San Francisco 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 Toronto Kitchener-Waterloo Airport to San Francisco flight deals updated?

    The Toronto Kitchener-Waterloo Airport to San Francisco flight deals you see on this page were last updated on 6/6.

  • What is the cheapest month to book a flight from Toronto Kitchener-Waterloo Airport to San Francisco?

    Currently, September is the cheapest month in which you can book a flight from Toronto Kitchener-Waterloo Airport to San Francisco (average of $268). Flying from Toronto Kitchener-Waterloo Airport to San Francisco in June is currently the most expensive (average of $385). 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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Search flights from Kitchener-Waterloo to San Francisco by cabin class

Find flights from Kitchener-Waterloo to San Francisco, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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