$139+ Cheap flights from Milwaukee to Ontario (MKE - ONT)
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 10/28. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — ONT
Jul 9 — Jul 161
Round-trip
1 adult, Economy
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Find cheap flights from Milwaukee to Ontario with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Milwaukee to Ontario
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Best
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Cheapest flights from Milwaukee to OntarioExplore the most affordable flight options available from Milwaukee to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 9, 2026.
Explore the most affordable flight options available from Milwaukee to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 9, 2026.
This Southwest deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/287:05 pm
MKE
- ONT
1 stop6h 00m
Southwest
Tue 8/186:50 am
ONT
- MKE
1 stop6h 05m
Southwest
Deal found 6/8![Southwest logo]()
$328
This Southwest deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/87:10 am
MKE
- ONT
2 stops7h 30m
Southwest
Tue 9/225:45 am
ONT
- MKE
1 stop5h 40m
Southwest
Deal found 6/8![Southwest logo]()
$366
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/85:55 am
MKE
- ONT
1 stop7h 09m
Delta
Tue 9/227:05 am
ONT
- MKE
1 stop8h 28m
Delta
Deal found 6/8![Delta logo]()
$377
This Delta deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/282:59 pm
MKE
- ONT
1 stop8h 51m
Delta
Tue 8/1812:00 pm
ONT
- MKE
1 stop9h 53m
Delta
Deal found 6/5![Delta logo]()
$395
This Southwest deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/16:55 pm
MKE
- ONT
1 stop5h 50m
Southwest
Wed 7/84:35 pm
ONT
- MKE
1 stop5h 20m
Southwest
Deal found 6/8![Southwest logo]()
$399
This Southwest deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/410:15 am
MKE
- ONT
2 stops8h 25m
Southwest
Tue 7/71:30 pm
ONT
- MKE
1 stop8h 25m
Southwest
Deal found 6/4![Southwest logo]()
$400
This American Airlines deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/226:46 pm
MKE
- ONT
1 stop7h 13m
American Airlines
Wed 7/2911:59 pm
ONT
- MKE
1 stop9h 18m
American Airlines
Deal found 6/7![American Airlines logo]()
$401
Best flights from Milwaukee to OntarioDiscover carefully curated flight deals from Milwaukee to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 9, 2026.
Discover carefully curated flight deals from Milwaukee to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 9, 2026.
This Southwest deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/287:05 pm
MKE
- ONT
1 stop6h 00m
Southwest
Tue 8/186:50 am
ONT
- MKE
1 stop6h 05m
Southwest
Deal found 6/8![Southwest logo]()
$328
This Alaska Airlines deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/17:02 am
MKE
- ONT
1 stop9h 07m
Alaska Airlines
Wed 9/212:00 pm
ONT
- MKE
1 stop9h 59m
Alaska Airlines
Deal found 6/7![Alaska Airlines logo]()
$477
This Southwest deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/45:10 am
MKE
- ONT
1 stop6h 10m
Southwest
Tue 7/71:30 pm
ONT
- MKE
1 stop8h 25m
Southwest
Deal found 6/4![Southwest logo]()
$395
This Southwest deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/153:40 pm
MKE
- ONT
1 stop5h 55m
Southwest
Wed 11/183:45 pm
ONT
- MKE
1 stop5h 20m
Southwest
Deal found 6/7![Southwest logo]()
$403
This Southwest deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/15:00 am
MKE
- ONT
1 stop6h 35m
Southwest
Wed 7/85:30 am
ONT
- MKE
2 stops7h 30m
Southwest
Deal found 6/8![Southwest logo]()
$404
This Southwest deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/225:00 am
MKE
- ONT
2 stops8h 30m
Southwest
Wed 8/1210:55 am
ONT
- MKE
2 stops8h 30m
Southwest
Deal found 6/8![Southwest logo]()
$409
This Southwest deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/216:00 am
MKE
- ONT
2 stops8h 40m
Southwest
Wed 8/129:40 am
ONT
- MKE
2 stops8h 15m
Southwest
Deal found 6/8![Southwest logo]()
$409
This Southwest deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/110:00 am
MKE
- ONT
2 stops8h 20m
Southwest
Fri 8/78:30 am
ONT
- MKE
2 stops7h 15m
Southwest
Deal found 6/5![Southwest logo]()
$487
Last-minute flights from Milwaukee to OntarioDiscover last-minute flight deals from Milwaukee to Ontario. Data last updated June 9, 2026 and is based on user searches.
Discover last-minute flight deals from Milwaukee to Ontario. Data last updated June 9, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/16:55 pm
MKE
- ONT
1 stop5h 50m
Southwest
Wed 7/84:35 pm
ONT
- MKE
1 stop5h 20m
Southwest
Deal found 6/8![Southwest logo]()
$399
This Southwest deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/410:15 am
MKE
- ONT
2 stops8h 25m
Southwest
Tue 7/71:30 pm
ONT
- MKE
1 stop8h 25m
Southwest
Deal found 6/4![Southwest logo]()
$400
This American Airlines deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/226:46 pm
MKE
- ONT
1 stop7h 13m
American Airlines
Wed 7/2911:59 pm
ONT
- MKE
1 stop9h 18m
American Airlines
Deal found 6/7![American Airlines logo]()
$401
This Southwest deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/287:05 pm
MKE
- ONT
1 stop6h 00m
Southwest
Tue 8/186:50 am
ONT
- MKE
1 stop6h 05m
Southwest
Deal found 6/8![Southwest logo]()
$328
This Delta deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/282:59 pm
MKE
- ONT
1 stop8h 51m
Delta
Tue 8/1812:00 pm
ONT
- MKE
1 stop9h 53m
Delta
Deal found 6/5![Delta logo]()
$395
This American Airlines deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2812:09 pm
MKE
- ONT
2 stops11h 34m
American Airlines
Tue 8/186:00 am
ONT
- MKE
1 stop9h 00m
American Airlines
Deal found 6/7![American Airlines logo]()
$408
One-way flights from Milwaukee to OntarioSearch for one-way flight options from Milwaukee to Ontario. Find affordable one-way fares based on user searches. Data last updated June 9, 2026.
Search for one-way flight options from Milwaukee to Ontario. Find affordable one-way fares based on user searches. Data last updated June 9, 2026.
This Priceline deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/285:00 pm
MKE
- ONT
1 stop8h 42m
Alaska Airlines
Deal found 6/9![Alaska Airlines logo]()
$139
This Priceline deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/295:00 pm
MKE
- ONT
1 stop8h 42m
Alaska Airlines
Deal found 6/9![Alaska Airlines logo]()
$185
This Delta deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/165:30 am
MKE
- ONT
1 stop7h 17m
Delta
Deal found 6/5![Delta logo]()
$198
This Southwest deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/167:10 am
MKE
- ONT
2 stops7h 30m
Southwest
Deal found 6/5![Southwest logo]()
$203
This Alaska Airlines deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/46:02 am
MKE
- ONT
1 stop9h 07m
Alaska Airlines
Deal found 6/5![Alaska Airlines logo]()
$213
This Southwest deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/202:00 pm
MKE
- ONT
2 stops7h 25m
Southwest
Deal found 6/4![Southwest logo]()
$218
This Southwest deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/157:20 am
MKE
- ONT
2 stops7h 35m
Southwest
Deal found 6/5![Southwest logo]()
$230
This Delta deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/305:40 am
MKE
- ONT
1 stop6h 58m
Delta
Deal found 6/9![Delta logo]()
$239
This United Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/288:30 am
MKE
- ONT
2 stops11h 17m
United Airlines
Deal found 6/9![United Airlines logo]()
$240
This United Airlines deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/12:35 pm
MKE
- ONT
2 stops10h 02m
United Airlines
Deal found 6/7![United Airlines logo]()
$252
This United Airlines deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/142:39 pm
MKE
- ONT
2 stops10h 20m
United Airlines
Deal found 6/5![United Airlines logo]()
$258
Find 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 June 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $328 (Southwest) |
One-way from | $139 (Priceline) |
Popular in | February |
Cheapest in | January |
Average price | $489 |
Cheapflights Fare Finder
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 2,558,603 searches. Data last updated June 9, 2026.
Use the filters below to find and compare flights from Milwaukee to Ontario that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
MilwaukeeOntario
MKE - ONT
MKEONT
Milwaukee-Mitchell
Tue 7/28
7:05 pm-11:05 pm
1 stop6h 00m
Ontario
Tue 8/18
6:50 am-2:55 pm
1 stop6h 05m
$328
MilwaukeeOntario
MKE - ONT
MKEONT
Milwaukee-Mitchell
Sat 7/4
5:10 am-9:20 am
1 stop6h 10m
Ontario
Tue 7/7
1:30 pm-11:55 pm
1 stop8h 25m
$395
Quickest round-trip
MilwaukeeOntario
MKE - ONT
MKEONT
Milwaukee-Mitchell
Tue 9/15
3:40 pm-7:35 pm
1 stop5h 55m
Ontario
Wed 11/18
3:45 pm-11:05 pm
1 stop5h 20m
$403
MilwaukeeOntario
MKE - ONT
MKEONT
Milwaukee-Mitchell
Wed 7/1
5:00 am-9:35 am
1 stop6h 35m
Ontario
Wed 7/8
5:30 am-3:00 pm
2 stops7h 30m
$404
MilwaukeeOntario
MKE - ONT
MKEONT
Milwaukee-Mitchell
Wed 7/22
5:00 am-11:30 am
2 stops8h 30m
Ontario
Wed 8/12
10:55 am-9:25 pm
2 stops8h 30m
$409
MilwaukeeOntario
MKE - ONT
MKEONT
Milwaukee-Mitchell
Tue 7/21
6:00 am-12:40 pm
2 stops8h 40m
Ontario
Wed 8/12
9:40 am-7:55 pm
2 stops8h 15m
$409
MilwaukeeOntario
MKE - ONT
MKEONT
Milwaukee-Mitchell
Tue 9/1
7:02 am-2:09 pm
1 stop9h 07m
Ontario
Wed 9/2
12:00 pm-11:59 pm
1 stop9h 59m
$477
MilwaukeeOntario
MKE - ONT
MKEONT
Milwaukee-Mitchell
Sat 8/1
10:00 am-4:20 pm
2 stops8h 20m
Ontario
Fri 8/7
8:30 am-5:45 pm
2 stops7h 15m
$487
Cheapest one-way
MilwaukeeOntario
MKE - ONT
MKEONT
Milwaukee-Mitchell
Wed 9/16
5:30 am-10:47 am
1 stop7h 17m
$198
MilwaukeeOntario
MKE - ONT
MKEONT
Milwaukee-Mitchell
Tue 8/4
6:02 am-1:09 pm
1 stop9h 07m
$213
Showing 1-10 of 16 resultsSorted by cheapest first
Compare providers for flights from Milwaukee to Ontario
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Milwaukee to Ontario in June.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Milwaukee-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Milwaukee-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Milwaukee-Ontario flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Milwaukee-Ontario flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Milwaukee-Ontario flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
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.
MKE-ONT
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.
Cheapflights Insights
Everything you need to know about your flight from Milwaukee to Ontario
What is the cheapest month to book a flight from Milwaukee to Ontario?
Currently, January is the cheapest month in which you can book a flight from Milwaukee to Ontario (average of $306). Flying from Milwaukee to Ontario in February is currently the most expensive (average of $625). 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.
How much does it cost to fly round-trip from Milwaukee to Ontario?
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 June 9, 2026.
Read through reviews of airlines operating flights from Milwaukee to Ontario, such as Southwest,United Airlines, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Food
7.0
Entertainment
7.5
Overall
7.9
Comfort
8.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Food
7.0
Entertainment
7.5
Overall
7.9
Comfort
8.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Food
7.0
Entertainment
7.5
Overall
7.9
Comfort
8.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Food
7.0
Entertainment
7.5
Overall
7.9
Comfort
8.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
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.
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.
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Complete your trip
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Alternative routes for Milwaukee to Ontario
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Complete your trip
Complete your trip to Ontario by adding a car rental and/or hotel reservation to your travel itinerary.
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.
Other flights to Ontario
Explore flights to Ontario departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on June 9, 2026.
Milwaukee and Ontario flights
Browse other Milwaukee and Ontario flight options. Last updated on June 9, 2026.
Other flights from Milwaukee
Browse through other flights departing from Milwaukee. Flights are based on user searches made on Cheapflights and were last updated on June 9, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 3 airlines flying from Milwaukee to Ontario
Discover the top 3 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 2,558,603 searches. Data last updated June 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$306 | Average$432 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$316 | Average$467 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$341 | Average$379 | FlexibilityNo cancel fee | On-time71% |