HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news

Cheap flights from Milwaukee to Ontario (MKE - ONT) from $98

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 6/15. 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.
MKE — ONT
Jun 3 — Jun 101
From?
To?
Mon 6/3
Mon 6/10
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Cheap flight deals from Milwaukee to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Milwaukee (MKE) to Ontario (ONT). 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 May 29, 2024.

Popular in

March

Cheapest in

September

Round-trip from

$238

One-way from

$175
High demand for flights, 28% potential price rise
Search Deals
Best time to find cheap flights, 38% potential price drop
Search Deals
From Milwaukee-Mitchell to Ontario
Search Deals
One-way flight from Milwaukee-Mitchell to Ontario
Search Deals

What is the cheapest day to fly round-trip from Milwaukee to Ontario?

Travelers have found that booking a Monday departure is the best way to save up to 62% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

How far in advance should I book a flight from Milwaukee to Ontario?

To save on the cost of your flight from Milwaukee to Ontario, book at least 11 days before your planned departure. Booking around this time can save you about 46% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $245 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $524.

What is the cheapest month to fly from Milwaukee to Ontario?

January is one of the best times of the year to fly to Ontario from Milwaukee. Prices for January average $375 per person but you can even find prices for as low as $158. The most expensive prices can be found in the month of March. Opting for a January flight can save you 15% on your journey compared to booking in March

When is the cheapest time to fly from Milwaukee to Ontario (MKE - ONT)?

It’s typically best to fly out from Milwaukee to Ontario in the evening. Doing so could potentially save you 46% on the flight price compared to flying in the afternoon, which is usually more expensive.

Cheap United Airlines flights from Milwaukee to Ontario

Explore cheap flight options specifically provided by United Airlines for the route between Milwaukee 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 May 29, 2024.
Take a look at some of the lowest-priced United Airlines flights heading from Milwaukee to Ontario. Come back soon if you're not finding the exact deal you're looking for.
Tue 6/252:42 pmMKE - ONT
1 stop8h 06mUnited Airlines
Tue 7/21:35 pmONT - MKE
1 stop5h 59mUnited Airlines
Deal found 5/27$393
Wed 7/172:40 pmMKE - ONT
1 stop8h 08mUnited Airlines
Wed 7/245:10 amONT - MKE
1 stop6h 26mUnited Airlines
Deal found 5/27$398
Tue 6/252:42 pmMKE - ONT
1 stop8h 06mUnited Airlines
Tue 7/21:40 pmONT - MKE
2 stops8h 19mUnited Airlines
Deal found 5/27$443
Tue 6/252:42 pmMKE - ONT
1 stop8h 06mUnited Airlines
Tue 7/21:35 pmONT - MKE
1 stop5h 59mUnited Airlines
Deal found 5/28$483
Sat 8/37:05 amMKE - ONT
1 stop12h 23mUnited Airlines
Sat 8/105:10 amONT - MKE
1 stop16h 49mUnited Airlines
Deal found 5/26$493
Tue 7/27:15 amMKE - ONT
1 stop7h 18mUnited Airlines
Sat 7/65:10 amONT - MKE
1 stop14h 05mUnited Airlines
Deal found 5/27$511
Tue 6/252:42 pmMKE - ONT
1 stop8h 06mUnited Airlines
Tue 7/21:40 pmONT - MKE
2 stops8h 19mUnited Airlines
Deal found 5/28$533
Thu 6/272:40 pmMKE - ONT
1 stop8h 08mUnited Airlines
Thu 7/41:30 pmONT - MKE
1 stop5h 58mUnited Airlines
Deal found 5/28$542
Mon 7/82:40 pmMKE - ONT
1 stop8h 08mUnited Airlines
Tue 7/91:47 pmONT - MKE
2 stops8h 12mUnited Airlines
Deal found 5/27$552

Cheap American Airlines flights from Milwaukee to Ontario

Explore cheap flight options specifically provided by American Airlines for the route between Milwaukee 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 May 29, 2024.
To aid your search, here are some of the cheapest American Airlines flights we've found from Milwaukee to Ontario. Make sure to examine the flight information before completing your reservation.
Fri 6/282:44 pmMKE - ONT
1 stop5h 53mAmerican Airlines
Sat 7/612:43 pmONT - MKE
1 stop8h 57mAmerican Airlines
Deal found 5/28$486
Sat 6/1512:44 pmMKE - ONT
1 stop10h 43mAmerican Airlines
Mon 6/177:26 pmONT - MKE
1 stop16h 28mAmerican Airlines
Deal found 5/28$564
Tue 6/258:00 amMKE - ONT
2 stops9h 51mAmerican Airlines
Tue 7/29:24 amONT - MKE
2 stops9h 39mAmerican Airlines
Deal found 5/27$567
Sat 6/1512:44 pmMKE - ONT
2 stops10h 56mAmerican Airlines
Mon 6/177:26 pmONT - MKE
1 stop16h 28mAmerican Airlines
Deal found 5/28$569
Tue 6/46:00 amMKE - ONT
1 stop7h 52mAmerican Airlines
Wed 6/122:44 pmONT - MKE
1 stop6h 54mAmerican Airlines
Deal found 5/27$618
Tue 6/42:29 pmMKE - ONT
2 stops10h 00mAmerican Airlines
Wed 6/1212:49 pmONT - MKE
1 stop8h 49mAmerican Airlines
Deal found 5/27$622
Tue 6/42:29 pmMKE - ONT
2 stops10h 00mAmerican Airlines
Wed 6/126:30 amONT - MKE
2 stops8h 12mAmerican Airlines
Deal found 5/27$648
Mon 6/32:29 pmMKE - ONT
2 stops10h 00mAmerican Airlines
Mon 6/242:44 pmONT - MKE
1 stop6h 54mAmerican Airlines
Deal found 5/28$711
Thu 8/158:15 amMKE - ONT
1 stop7h 30mAmerican Airlines
Mon 8/197:27 pmONT - MKE
2 stops16h 48mAmerican Airlines
Deal found 5/27$715

Cheap Milwaukee to Ontario flights in May & June 2024

Find cheap flight options from Milwaukee 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 May 29, 2024.
Check out some of the best flight deals from Milwaukee to Ontario in 2024. Check back soon for alternative fares.
Sat 6/159:29 amMKE - ONT
1 stop6h 29mFrontier
Sun 6/1612:59 amONT - MKE
1 stop7h 24mFrontier
Deal found 5/28$213
Mon 6/1011:29 amMKE - ONT
1 stop14h 30mFrontier
Fri 6/1412:44 amONT - MKE
1 stop5h 54mFrontier
Deal found 5/28$215
Sat 6/159:29 amMKE - ONT
1 stop16h 20mFrontier
Sun 6/1612:59 amONT - MKE
1 stop7h 24mFrontier
Deal found 5/28$217
Fri 5/317:52 pmMKE - ONT
1 stop6h 07mFrontier
Tue 6/412:59 amONT - MKE
1 stop5h 44mFrontier
Deal found 5/28$247
Fri 6/289:20 amMKE - ONT
1 stop16h 20mFrontier
Fri 7/512:40 amONT - MKE
1 stop7h 23mFrontier
Deal found 5/28$249
Wed 6/59:34 amMKE - ONT
1 stop16h 15mFrontier
Fri 6/712:48 amONT - MKE
1 stop5h 50mFrontier
Deal found 5/28$250
Mon 6/39:34 amMKE - ONT
1 stop8h 11mFrontier
Sun 6/912:59 amONT - MKE
1 stop7h 24mFrontier
Deal found 5/27$252
Wed 6/199:34 amMKE - ONT
1 stop27h 25mFrontier
Sun 6/2311:29 amONT - MKE
1 stop20h 54mFrontier
Deal found 5/28$279
Mon 6/39:34 amMKE - ONT
1 stop8h 11mFrontier
Fri 6/710:23 pmONT - MKE
1 stop8h 15mFrontier
Deal found 5/28$288

Milwaukee to Ontario 2024 flight deals

Discover exclusive flight deals for travel between Milwaukee 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 May 29, 2024.
Check out some of the best flight deals from Milwaukee to Ontario in 2024. Check back soon for alternative fares.
Wed 8/149:36 amMKE - ONT
1 stop12h 01mFrontier
Tue 8/201:32 pmONT - MKE
1 stop17h 14mFrontier
Deal found 5/28$208
Sat 6/159:29 amMKE - ONT
1 stop6h 29mFrontier
Sun 6/1612:59 amONT - MKE
1 stop7h 24mFrontier
Deal found 5/28$213
Mon 6/1011:29 amMKE - ONT
1 stop14h 30mFrontier
Fri 6/1412:44 amONT - MKE
1 stop5h 54mFrontier
Deal found 5/28$215
Sat 6/159:29 amMKE - ONT
1 stop16h 20mFrontier
Sun 6/1612:59 amONT - MKE
1 stop7h 24mFrontier
Deal found 5/28$217
Wed 7/179:36 amMKE - ONT
1 stop16h 03mFrontier
Tue 7/2312:59 amONT - MKE
1 stop5h 47mFrontier
Deal found 5/27$235
Fri 5/317:52 pmMKE - ONT
1 stop6h 07mFrontier
Tue 6/412:59 amONT - MKE
1 stop5h 44mFrontier
Deal found 5/28$247
Fri 6/289:20 amMKE - ONT
1 stop16h 20mFrontier
Fri 7/512:40 amONT - MKE
1 stop7h 23mFrontier
Deal found 5/28$249
Wed 6/59:34 amMKE - ONT
1 stop16h 15mFrontier
Fri 6/712:48 amONT - MKE
1 stop5h 50mFrontier
Deal found 5/28$250
Mon 6/39:34 amMKE - ONT
1 stop8h 11mFrontier
Sun 6/912:59 amONT - MKE
1 stop7h 24mFrontier
Deal found 5/27$252

Milwaukee to Ontario flights leaving soon

Find last-minute flight options from Milwaukee 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 May 29, 2024.
Book one of these great deals on flights from Milwaukee to Ontario. To prevent any unwanted surprises, users should verify their flight info before booking.
Wed 6/59:34 amMKE - ONT
1 stop16h 15mFrontier
Fri 6/712:48 amONT - MKE
1 stop5h 50mFrontier
Deal found 5/28$250
Mon 6/39:34 amMKE - ONT
1 stop8h 11mFrontier
Sun 6/912:59 amONT - MKE
1 stop7h 24mFrontier
Deal found 5/27$252
Mon 6/39:34 amMKE - ONT
1 stop8h 11mFrontier
Fri 6/710:23 pmONT - MKE
1 stop8h 15mFrontier
Deal found 5/28$288
Mon 6/39:34 amMKE - ONT
1 stop8h 11mFrontier
Sun 6/2312:59 amONT - MKE
1 stop7h 24mFrontier
Deal found 5/28$297
Mon 6/39:34 amMKE - ONT
1 stop16h 25mFrontier
Thu 6/611:59 amONT - MKE
1 stop18h 30mFrontier
Deal found 5/28$303
Fri 6/79:20 amMKE - ONT
1 stop16h 20mFrontier
Thu 6/1311:49 amONT - MKE
1 stop18h 35mFrontier
Deal found 5/28$311
Mon 6/39:34 amMKE - ONT
1 stop8h 11mMultiple Airlines
Mon 6/2410:00 amONT - MKE
1 stop11h 59mMultiple Airlines
Deal found 5/28$466
Mon 6/39:34 amMKE - ONT
1 stop8h 11mMultiple Airlines
Mon 6/1010:00 amONT - MKE
1 stop11h 59mMultiple Airlines
Deal found 5/27$482
Tue 6/47:00 amMKE - ONT
1 stop10h 26mMultiple Airlines
Tue 6/1112:59 amONT - MKE
1 stop5h 44mMultiple Airlines
Deal found 5/27$483

One-way flights to Ontario from Milwaukee

Search for one-way flight options from Milwaukee 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 May 29, 2024.
Take a look at some of the best available options we've come across on one-way flights from Milwaukee to Ontario. Users needing a return flight from Milwaukee to Ontario should utilize the search form above.
Sat 6/159:29 amMKE - ONT
1 stop6h 29mFrontier
Deal found 5/28$98
Wed 6/199:34 amMKE - ONT
1 stop27h 25mFrontier
Deal found 5/27$107
Mon 6/39:34 amMKE - ONT
1 stop8h 11mFrontier
Deal found 5/27$119
Mon 7/159:24 pmMKE - ONT
1 stop12h 03mFrontier
Deal found 5/27$124
Wed 6/59:34 amMKE - ONT
1 stop27h 25mFrontier
Deal found 5/27$125
Mon 6/1011:29 amMKE - ONT
1 stop11h 06mFrontier
Deal found 5/28$126
Fri 6/79:20 amMKE - ONT
1 stop16h 20mFrontier
Deal found 5/27$127
Fri 7/129:05 pmMKE - ONT
1 stop16h 47mFrontier
Deal found 5/28$128
Fri 7/199:05 pmMKE - ONT
1 stop28h 51mFrontier
Deal found 5/26$129

Find flights from Milwaukee to Ontario within your budget

Customize your flight search to find flights from Milwaukee 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 May 29, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$208 - $486

Route

Depart

Return

Price

Milwaukee-MitchellOntario

MKE - ONT

MKEONT

Milwaukee-Mitchell

Wed 8/14

1 stop12h 01m

Ontario

Tue 8/20

1 stop17h 14m

$208

Milwaukee-MitchellOntario

MKE - ONT

MKEONT

Milwaukee-Mitchell

Sat 6/15

1 stop6h 29m

Ontario

Sun 6/16

1 stop7h 24m

$213

Milwaukee-MitchellOntario

MKE - ONT

MKEONT

Milwaukee-Mitchell

Mon 6/10

1 stop14h 30m

Ontario

Fri 6/14

1 stop5h 54m

$215

Milwaukee-MitchellOntario

MKE - ONT

MKEONT

Milwaukee-Mitchell

Sat 6/15

1 stop16h 20m

Ontario

Sun 6/16

1 stop7h 24m

$217

Milwaukee-MitchellOntario

MKE - ONT

MKEONT

Milwaukee-Mitchell

Tue 6/25

1 stop8h 06m

Ontario

Tue 7/2

1 stop5h 59m

$393

Milwaukee-MitchellOntario

MKE - ONT

MKEONT

Milwaukee-Mitchell

Sat 6/15

1 stop6h 29m

Ontario

Mon 6/17

1 stop11h 59m

$416

Milwaukee-MitchellOntario

MKE - ONT

MKEONT

Milwaukee-Mitchell

Wed 7/10

1 stop18h 14m

Ontario

Wed 7/17

1 stop15h 59m

$432

Milwaukee-MitchellOntario

MKE - ONT

MKEONT

Milwaukee-Mitchell

Tue 7/9

1 stop6h 35m

Ontario

Mon 7/15

2 stops12h 26m

$437

Milwaukee-MitchellOntario

MKE - ONT

MKEONT

Milwaukee-Mitchell

Fri 6/28

1 stop5h 53m

Ontario

Sat 7/6

1 stop8h 57m

$486

Flights are sorted by cheapest first

Deals found on 5/28

When is the cheapest time to fly from Milwaukee to Ontario?

Use this chart to determine the cheapest time to fly round-trip from Milwaukee to Ontario. Price data was last updated on May 26, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Milwaukee to Ontario flight should consider departing on Wednesday at noon when fares are most often at their lowest. Wednesday 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 Milwaukee to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Milwaukee 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 Ontario by month

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

LAX

Temperature

57.2 - 73.4 °F

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 May 29, 2024.
Peruse reviews from past customers who have flown with United Airlines, American Airlines and Frontier from Milwaukee to Ontario to help guide your decision. 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

Food

7.3

Overall

8.1

Boarding

8.2

Crew

8.6

Entertainment

7.3

Comfort

7.9

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

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

Food

7.3

Overall

8.1

Boarding

8.2

Crew

8.6

Entertainment

7.3

Comfort

7.9

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

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

Food

7.3

Overall

8.1

Boarding

8.2

Crew

8.6

Entertainment

7.3

Comfort

7.9

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

United Airlines
7.4
Good
10,784 reviews
Alaska Airlines
8.1
Very good
9,194 reviews
Check prices

Food

7.3

Overall

8.1

Boarding

8.2

Crew

8.6

Entertainment

7.3

Comfort

7.9

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

American Airlines
7.3
Good
14,302 reviews
Alaska Airlines
8.1
Very good
9,194 reviews
Check prices

Food

7.3

Overall

8.1

Boarding

8.2

Crew

8.6

Entertainment

7.3

Comfort

7.9

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

Frontier
6.3
Okay
4,016 reviews
Alaska Airlines
8.1
Very good
9,194 reviews
Check prices

Food

7.3

Overall

8.1

Boarding

8.2

Crew

8.6

Entertainment

7.3

Comfort

7.9

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

Related info for your journey

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

  • Can I find flights from Milwaukee to Ontario for under $300 on Cheapflights?

    Yes, there are multiple flights from Milwaukee to Ontario for under $300. The cheapest flight booked recently is on Frontier for just $208, but on average you can expect to pay $264.

  • Are there last-minute flights available from Milwaukee to Ontario for under $300?

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

  • What are the cheapest airlines flying from Milwaukee to Ontario round-trip?

    Our cheapest airline available from Milwaukee to Ontario is Frontier. Our recent data shows that you can find tickets from as low as $208 on this airline. Additional options worth looking into are United Airlines and Alaska Airlines, starting at $393 and $432 round-trip. Frontier is priced at 45% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Milwaukee to Ontario one-way?

    The cheapest airlines for a one-way flight from Milwaukee to Ontario are Frontier ($98), Delta ($199), and Alaska Airlines ($242).

  • What does MKE to ONT mean?

    These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Milwaukee-Mitchell Airport to Ontario Airport flight would often be abbreviated as a MKE to ONT flight.

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

    The amount of baggage you can bring on your Milwaukee 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 Milwaukee to Ontario with specific airlines?

    Yes, Cheapflights allows you to browse and filter Milwaukee 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 Milwaukee to Ontario that include hotel bookings?

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

  • How can I find direct flights from Milwaukee to Ontario?

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

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

    Yes. Cheapflights offers flight deals from Milwaukee 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 Milwaukee to Ontario that allow pets onboard?

    Many airlines flying from Milwaukee 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 Milwaukee to Ontario?

    Yes, you can often find last-minute deals on Milwaukee 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 Milwaukee to Ontario flight deals updated?

    The Milwaukee to Ontario flight deals you see on this page were last updated on 5/28.

  • What are the most popular airlines that fly from Milwaukee to Ontario?

    American Airlines, Delta and Frontier are the most popular airlines when flying from Milwaukee to Ontario.

  • When is the best time to book a flight from Milwaukee to Ontario?

    Currently, October is the cheapest month in which you can book a flight from Milwaukee to Ontario (average of $238). Flying from Milwaukee to Ontario in June is currently the most expensive (average of $328). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Milwaukee to Ontario
See prices for flight routes from nearby airports that may be better suited for you.

O'Hare Intl to Las Vegas flights
O'Hare Intl to Los Angeles flights
O'Hare Intl to San Francisco flights
Minneapolis to Los Angeles flights
Minneapolis to Las Vegas flights
O'Hare Intl to San Diego flights
Minneapolis to San Diego flights
Minneapolis to San Francisco flights
O'Hare Intl to Burbank flights
O'Hare Intl to Ontario flights
O'Hare Intl to Santa Ana flights
Milwaukee to Las Vegas flights
O'Hare Intl to Oakland flights
Minneapolis to Ontario flights
O'Hare Intl to Sacramento flights
Madison to Las Vegas flights
Minneapolis to San Jose flights
Minneapolis to Reno flights
O'Hare Intl to San Jose flights
O'Hare Intl to Palm Springs flights
Minneapolis to Santa Ana flights
O'Hare Intl to Reno flights
Minneapolis to Sacramento flights
Milwaukee to San Diego flights
Milwaukee to Los Angeles flights
Minneapolis to Oakland flights
Appleton to Las Vegas flights
Minneapolis to Palm Springs flights
Minneapolis to Fresno flights
Milwaukee to San Francisco flights
Madison to Los Angeles flights
Appleton to Los Angeles flights
Minneapolis to Burbank flights
Green Bay to Las Vegas flights
Madison to San Francisco flights
O'Hare Intl to Fresno flights
Madison to Ontario flights
Appleton to San Diego flights
Madison to Sacramento flights
O'Hare Intl to Santa Barbara flights
Madison to San Diego flights
Madison to Reno flights
Milwaukee to Sacramento flights
Milwaukee to Oakland flights
Minneapolis to Medford flights
Milwaukee to Santa Ana flights
Minneapolis to Santa Barbara flights
Minneapolis to Long Beach flights
O'Hare Intl to Long Beach flights

Top 4 airlines flying from Milwaukee to Ontario

Discover the top 4 airlines that operate flights from Milwaukee 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 May 29, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$131Average$217FlexibilityNo cancel feeOn-time62%
Search Frontier flights
American AirlinesCheapest$296Average$545FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapest$297Average$427FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapest$326Average$522FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
New York to Shanghai flights
Florida to New York flights
Seattle to Tokyo flights
Minneapolis to Hawaii flights
Chicago to Minneapolis flights
Orlando to Fort Lauderdale flights
Detroit to Atlanta flights
Nashville to Denver flights
New York to Orlando flights
Dallas to Washington, D.C. flights
Washington, D.C. Dulles Intl Airport to Los Angeles flights
Milwaukee to Porto flights

Search flights from Milwaukee to Ontario by cabin class

Find flights from Milwaukee to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy Class

Book a flight to one of these trending destinations

User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations
Flights to Laayoune Hassan I
Flights to Virac
Flights to Figari-Sud Corse
Flights to Edremit/Korfez
Flights to Rhinelander Oneida County
Flights to Girona Costa Brava
Flights to Brainerd Crow Wing County
Flights to Parikia Paros
Flights to Cortez Montezuma County
Flights to Miyakojima Hirara
Flights to Zadar
Flights to Trapani Birgi
Flights to Provincetown
Flights to Oran Es Senia
Flights to Constanţa Mihail Kogalniceanu
Flights to Vava'u Lupepau'U
Flights to Urumqi
Flights to Hakodate
Flights to Naxos
Flights to Dalaman
Flights to Hyannis Barnstable
Flights to Devils Lake
Flights to Bastia Poretta
Flights to Karpathos

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 Milwaukee to Ontario?

When you search for this flight from Milwaukee 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 Milwaukee to Ontario?

Millions of users choose and trust Cheapflights to book the best flight deals from Milwaukee to Ontario for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Yes! Cheapflights helps users easily find flights from Milwaukee to Ontario with no change fees.

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

Of course! You can now track prices for flights from Milwaukee to Ontario and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
View all available airlines