$198+ Cheap flights from Ontario to Milwaukee (ONT - MKE)
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 7/7. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — MKE
Jul 8 — Jul 151
Round-trip
1 adult, Economy
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Find cheap flights from Ontario to Milwaukee 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 Ontario to Milwaukee
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Best
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Cheapest flights from Ontario to MilwaukeeExplore the most affordable flight options available from Ontario to Milwaukee. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 8, 2026.
Explore the most affordable flight options available from Ontario to Milwaukee. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 8, 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.
Wed 12/166:50 am
ONT
- MKE
1 stop7h 20m
Southwest
Wed 12/305:20 am
MKE
- ONT
1 stop6h 35m
Southwest
Deal found 6/8![Southwest logo]()
$332
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.
Fri 8/710:00 am
ONT
- MKE
1 stop7h 50m
Southwest
Sat 8/155:00 pm
MKE
- ONT
1 stop5h 50m
Southwest
Deal found 6/7![Southwest logo]()
$375
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.
Tue 7/214:10 pm
ONT
- MKE
1 stop6h 45m
Southwest
Tue 8/45:00 pm
MKE
- ONT
1 stop5h 55m
Southwest
Deal found 6/5![Southwest logo]()
$395
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.
Sun 9/612:00 pm
ONT
- MKE
1 stop9h 53m
Delta
Sat 9/1212:20 pm
MKE
- ONT
1 stop7h 41m
Delta
Deal found 6/8![Delta logo]()
$399
This Southwest deal was found by Cheapflights users on 6/3. 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 7/141:20 pm
ONT
- MKE
2 stops7h 10m
Southwest
Tue 7/216:20 pm
MKE
- ONT
1 stop6h 00m
Southwest
Deal found 6/3![Southwest logo]()
$400
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 7/71:20 pm
ONT
- MKE
1 stop7h 00m
Southwest
Tue 7/146:55 pm
MKE
- ONT
1 stop5h 55m
Southwest
Deal found 6/7![Southwest logo]()
$403
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 7/182:20 pm
ONT
- MKE
1 stop6h 45m
Southwest
Wed 7/225:00 am
MKE
- ONT
2 stops8h 30m
Southwest
Deal found 6/4![Southwest logo]()
$404
Best flights from Ontario to MilwaukeeDiscover carefully curated flight deals from Ontario to Milwaukee that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 8, 2026.
Discover carefully curated flight deals from Ontario to Milwaukee that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 8, 2026.
This Southwest deal was found by Cheapflights users on 6/3. 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 7/144:35 pm
ONT
- MKE
1 stop5h 20m
Southwest
Tue 7/216:20 pm
MKE
- ONT
1 stop6h 00m
Southwest
Deal found 6/3![Southwest logo]()
$395
This Delta deal was found by Cheapflights users on 6/6. 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.
Sun 8/210:00 pm
ONT
- MKE
1 stop9h 16m
Delta
Sat 8/812:47 pm
MKE
- ONT
1 stop7h 42m
Delta
Deal found 6/6![Delta logo]()
$487
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 10/225:20 am
ONT
- MKE
1 stop5h 20m
Southwest
Tue 10/272:45 pm
MKE
- ONT
1 stop6h 40m
Southwest
Deal found 6/4![Southwest logo]()
$405
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 7/211:30 pm
ONT
- MKE
1 stop8h 25m
Southwest
Mon 8/35:25 am
MKE
- ONT
1 stop5h 40m
Southwest
Deal found 6/7![Southwest logo]()
$440
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.
Mon 7/610:00 pm
ONT
- MKE
1 stop9h 06m
Delta
Thu 7/94:14 pm
MKE
- ONT
1 stop7h 36m
Delta
Deal found 6/5![Delta logo]()
$487
This Delta deal was found by Cheapflights users on 6/6. 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 10/1512:00 pm
ONT
- MKE
1 stop9h 49m
Delta
Mon 10/194:15 pm
MKE
- ONT
1 stop7h 59m
Delta
Deal found 6/6![Delta logo]()
$487
This Southwest deal was found by Cheapflights users on 6/3. 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 8/612:35 pm
ONT
- MKE
1 stop6h 50m
Southwest
Sun 8/95:25 am
MKE
- ONT
1 stop6h 05m
Southwest
Deal found 6/3![Southwest logo]()
$451
This Southwest deal was found by Cheapflights users on 6/3. 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 7/119:50 am
ONT
- MKE
1 stop5h 10m
Southwest
Thu 7/235:15 am
MKE
- ONT
2 stops8h 05m
Southwest
Deal found 6/3![Southwest logo]()
$478
This Southwest deal was found by Cheapflights users on 6/6. 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 7/112:05 pm
ONT
- MKE
2 stops8h 10m
Southwest
Sat 7/410:15 am
MKE
- ONT
2 stops8h 25m
Southwest
Deal found 6/6![Southwest logo]()
$481
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.
Wed 7/225:15 am
ONT
- MKE
1 stop7h 45m
Southwest
Sun 7/265:05 pm
MKE
- ONT
1 stop9h 25m
Southwest
Deal found 6/4![Southwest logo]()
$482
Last-minute flights from Ontario to MilwaukeeDiscover last-minute flight deals from Ontario to Milwaukee. Data last updated June 8, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Milwaukee. Data last updated June 8, 2026 and is based on user searches.
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.
Fri 7/311:50 am
ONT
- MKE
1 stop10h 09m
Delta
Thu 7/94:14 pm
MKE
- ONT
1 stop7h 36m
Delta
Deal found 6/8![Delta logo]()
$433
This Delta deal was found by Cheapflights users on 6/3. 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.
Sun 7/510:00 pm
ONT
- MKE
1 stop9h 01m
Delta
Tue 7/1410:11 am
MKE
- ONT
1 stop10h 19m
Delta
Deal found 6/3![Delta logo]()
$436
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 7/71:20 pm
ONT
- MKE
1 stop7h 00m
Southwest
Tue 7/146:55 pm
MKE
- ONT
1 stop5h 55m
Southwest
Deal found 6/7![Southwest logo]()
$403
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 7/711:48 am
ONT
- MKE
1 stop7h 21m
Delta
Wed 7/1512:58 pm
MKE
- ONT
1 stop7h 32m
Delta
Deal found 6/5![Delta logo]()
$427
This Southwest deal was found by Cheapflights users on 6/3. 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 7/141:20 pm
ONT
- MKE
2 stops7h 10m
Southwest
Tue 7/216:20 pm
MKE
- ONT
1 stop6h 00m
Southwest
Deal found 6/3![Southwest logo]()
$400
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/1511:48 am
ONT
- MKE
1 stop7h 21m
Delta
Wed 7/225:40 am
MKE
- ONT
1 stop6h 58m
Delta
Deal found 6/4![Delta logo]()
$437
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 7/182:20 pm
ONT
- MKE
1 stop6h 45m
Southwest
Wed 7/225:00 am
MKE
- ONT
1 stop6h 35m
Southwest
Deal found 6/4![Southwest logo]()
$399
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.
Tue 7/214:10 pm
ONT
- MKE
1 stop6h 45m
Southwest
Tue 8/45:00 pm
MKE
- ONT
1 stop5h 55m
Southwest
Deal found 6/5![Southwest logo]()
$395
One-way flights from Ontario to MilwaukeeSearch for one-way flight options from Ontario to Milwaukee. Find affordable one-way fares based on user searches. Data last updated June 8, 2026.
Search for one-way flight options from Ontario to Milwaukee. Find affordable one-way fares based on user searches. Data last updated June 8, 2026.
This Delta deal was found by Cheapflights users on 6/3. 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 7/711:48 am
ONT
- MKE
1 stop7h 21m
Delta
Deal found 6/3![Delta logo]()
$198
This Southwest deal was found by Cheapflights users on 6/6. 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 9/1210:15 am
ONT
- MKE
1 stop7h 30m
Southwest
Deal found 6/6![Southwest logo]()
$202
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.
Tue 7/141:20 pm
ONT
- MKE
2 stops7h 10m
Southwest
Deal found 6/5![Southwest logo]()
$203
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.
Wed 7/14:10 pm
ONT
- MKE
1 stop6h 45m
Southwest
Deal found 6/7![Southwest logo]()
$214
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/1512:55 pm
ONT
- MKE
1 stop6h 46m
Delta
Deal found 6/4![Delta logo]()
$218
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 7/1511:48 am
ONT
- MKE
1 stop10h 08m
Delta
Deal found 6/5![Delta logo]()
$235
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/2410:00 pm
ONT
- MKE
1 stop9h 12m
Delta
Deal found 6/7![Delta logo]()
$239
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/117:05 am
ONT
- MKE
1 stop7h 54m
Delta
Deal found 6/4![Delta logo]()
$244
This American Airlines deal was found by Cheapflights users on 6/3. 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 7/71:11 pm
ONT
- MKE
2 stops8h 23m
American Airlines
Deal found 6/3![American Airlines logo]()
$253
This CheapOair deal was found by Cheapflights users on 6/6. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/307:00 am
ONT
- MKE
2 stops22h 42m
Alaska Airlines
Deal found 6/6![Alaska Airlines logo]()
$259
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.
Sat 8/86:10 am
ONT
- MKE
1 stop8h 32m
United Airlines
Deal found 6/5![United Airlines logo]()
$263
Find flight deals from Ontario to Milwaukee
Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Milwaukee (MKE). 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 8, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $375 (Southwest) |
One-way from | $198 (Delta) |
Popular in | January |
Cheapest in | September |
Average price | $478 |
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario to Milwaukee 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 8, 2026.
Use the filters below to find and compare flights from Ontario to Milwaukee that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
OntarioMilwaukee
ONT - MKE
ONTMKE
Ontario
Tue 7/14
4:35 pm-11:55 pm
1 stop5h 20m
Milwaukee-Mitchell
Tue 7/21
6:20 pm-10:20 pm
1 stop6h 00m
$395
OntarioMilwaukee
ONT - MKE
ONTMKE
Ontario
Thu 10/22
5:20 am-12:40 pm
1 stop5h 20m
Milwaukee-Mitchell
Tue 10/27
2:45 pm-7:25 pm
1 stop6h 40m
$405
OntarioMilwaukee
ONT - MKE
ONTMKE
Ontario
Tue 7/21
1:30 pm-11:55 pm
1 stop8h 25m
Milwaukee-Mitchell
Mon 8/3
5:25 am-9:05 am
1 stop5h 40m
$440
OntarioMilwaukee
ONT - MKE
ONTMKE
Ontario
Thu 8/6
12:35 pm-9:25 pm
1 stop6h 50m
Milwaukee-Mitchell
Sun 8/9
5:25 am-9:30 am
1 stop6h 05m
$451
OntarioMilwaukee
ONT - MKE
ONTMKE
Ontario
Sat 7/11
9:50 am-5:00 pm
1 stop5h 10m
Milwaukee-Mitchell
Thu 7/23
5:15 am-11:20 am
2 stops8h 05m
$478
OntarioMilwaukee
ONT - MKE
ONTMKE
Ontario
Wed 7/1
12:05 pm-10:15 pm
2 stops8h 10m
Milwaukee-Mitchell
Sat 7/4
10:15 am-4:40 pm
2 stops8h 25m
$481
OntarioMilwaukee
ONT - MKE
ONTMKE
Ontario
Wed 7/22
5:15 am-3:00 pm
1 stop7h 45m
Milwaukee-Mitchell
Sun 7/26
5:05 pm-12:30 am
1 stop9h 25m
$482
OntarioMilwaukee
ONT - MKE
ONTMKE
Ontario
Sun 8/2
10:00 pm-9:16 am
1 stop9h 16m
Milwaukee-Mitchell
Sat 8/8
12:47 pm-6:29 pm
1 stop7h 42m
$487
OntarioMilwaukee
ONT - MKE
ONTMKE
Ontario
Mon 7/6
10:00 pm-9:06 am
1 stop9h 06m
Milwaukee-Mitchell
Thu 7/9
4:14 pm-9:50 pm
1 stop7h 36m
$487
OntarioMilwaukee
ONT - MKE
ONTMKE
Ontario
Thu 10/15
12:00 pm-11:49 pm
1 stop9h 49m
Milwaukee-Mitchell
Mon 10/19
4:15 pm-10:14 pm
1 stop7h 59m
$487
Showing 1-10 of 20 resultsSorted by cheapest first
Compare providers for flights from Ontario to Milwaukee
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 Ontario to Milwaukee in June.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Ontario-Milwaukee flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Milwaukee flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Milwaukee flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Ontario-Milwaukee 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 Ontario-Milwaukee 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 Ontario to Milwaukee
Have a flexible travel schedule? Discover the best time to fly to Milwaukee from Ontario with our price prediction graph.
ONT-MKE
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 Ontario to Milwaukee
What is the cheapest month to book a flight from Ontario to Milwaukee?
Currently, September is the cheapest month in which you can book a flight from Ontario to Milwaukee (average of $366). Flying from Ontario to Milwaukee in June is currently the most expensive (average of $771). 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 Ontario to Milwaukee?
Reviews of airlines servicing Milwaukee
Get insights into the airlines that provide service to Milwaukee. 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 Milwaukee. Reviews last updated June 8, 2026.
Read reviews from past customers who have flown Southwest,Delta, andUnited Airlines from Ontario to Milwaukee. 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.
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
7.9
Entertainment
7.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
7.9
Entertainment
7.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
7.9
Entertainment
7.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
7.9
Entertainment
7.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
7.9
Entertainment
7.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Related info for your journey
Find useful and relevant information for your journey from Ontario to Milwaukee. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Milwaukee?
Book flights to Milwaukee if you plan to visit one of these locationsSheboygan
Port Washington
New Berlin
Oak Creek
Wauwatosa
Browse thousands of different options on Cheapflights for your next trip
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Other flights to Milwaukee
Explore flights to Milwaukee departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on June 8, 2026.
Ontario and Milwaukee flights
Browse other Ontario and Milwaukee flight options. Last updated on June 8, 2026.
Other flights from Ontario
Browse through other flights departing from Ontario. Flights are based on user searches made on Cheapflights and were last updated on June 8, 2026.
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Top 4 airlines flying from Ontario to Milwaukee
Discover the top 4 airlines that operate flights from Ontario to Milwaukee. 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 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$276 | Average$448 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$309 | Average$454 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$350 | Average$459 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$356 | Average$476 | FlexibilityNo cancel fee | On-timeN/A |