$237+ Cheap flights from Ontario to Milwaukee (MKE)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/23. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — MKE
Oct 22 — Oct 291
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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
Cheapest
Best
Last-minute
One-way
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 September 22, 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 September 22, 2026.
This American Airlines deal was found by Cheapflights users on 9/19. 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 11/311:36 am -
1 stop7h 59m
Tue 11/108:40 am -
1 stop8h 01m
Deal found 9/19![American Airlines logo]()
$415
This American Airlines deal was found by Cheapflights users on 9/17. 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.
Fri 12/116:21 pm -
1 stop14h 27m
Mon 12/147:19 pm -
1 stop14h 31m
Deal found 9/17![American Airlines logo]()
$416
This American Airlines deal was found by Cheapflights users on 9/18. 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 11/256:21 pm -
1 stop14h 35m
Wed 12/22:55 pm -
1 stop7h 51m
Deal found 9/18![American Airlines logo]()
$420
This American Airlines deal was found by Cheapflights users on 9/21. 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.
Thu 10/152:24 pm -
1 stop9h 54m
Tue 10/207:19 pm -
1 stop14h 40m
Deal found 9/21![American Airlines logo]()
$435
This American Airlines deal was found by Cheapflights users on 9/18. 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.
Sat 10/176:25 pm -
1 stop14h 42m
Sat 10/247:19 pm -
1 stop16h 15m
Deal found 9/18![American Airlines logo]()
$436
This American Airlines deal was found by Cheapflights users on 9/19. 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.
Sat 10/176:25 pm -
1 stop14h 42m
Tue 10/205:01 am -
1 stop8h 32m
Deal found 9/19![American Airlines logo]()
$439
This United Airlines deal was found by Cheapflights users on 9/21. 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 11/49:15 am -
2 stops10h 43m
Sat 11/710:48 am -
2 stops8h 00m
Deal found 9/21![United Airlines logo]()
$446
This American Airlines deal was found by Cheapflights users on 9/17. 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 10/203:14 pm -
1 stop7h 33m
Sat 10/242:58 pm -
1 stop7h 31m
Deal found 9/17![American Airlines logo]()
$459
This United Airlines deal was found by Cheapflights users on 9/18. 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.
Thu 11/56:00 am -
1 stop6h 28m
Sat 11/79:23 am -
2 stops11h 19m
Deal found 9/18![United Airlines logo]()
$461
This United Airlines deal was found by Cheapflights users on 9/17. 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 11/47:00 am -
2 stops11h 03m
Sun 11/86:47 am -
1 stop6h 13m
Deal found 9/17![United Airlines logo]()
$462
This American Airlines deal was found by Cheapflights users on 9/17. 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 10/72:24 pm -
1 stop9h 54m
Sun 10/115:00 am -
1 stop8h 33m
Deal found 9/17![American Airlines logo]()
$467
This American Airlines deal was found by Cheapflights users on 9/20. 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.
Mon 10/194:15 pm -
1 stop5h 42m
Mon 10/267:19 pm -
1 stop14h 40m
Deal found 9/20![American Airlines logo]()
$472
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 September 22, 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 September 22, 2026.
This United Airlines deal was found by Cheapflights users on 9/21. 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 1/93:00 pm -
2 stops9h 11m
Wed 1/135:00 am -
2 stops9h 02m
Deal found 9/21![United Airlines logo]()
$445
This Delta deal was found by Cheapflights users on 9/21. 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 1/92:25 pm -
1 stop7h 31m
Wed 1/136:00 am -
1 stop6h 35m
Deal found 9/21![Delta logo]()
$445
This United Airlines deal was found by Cheapflights users on 9/21. 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 11/49:15 am -
2 stops10h 43m
Sat 11/710:48 am -
2 stops8h 00m
Deal found 9/21![United Airlines logo]()
$446
This Delta deal was found by Cheapflights users on 9/21. 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 11/46:00 am -
1 stop7h 44m
Sat 11/79:35 am -
1 stop5h 40m
Deal found 9/21![Delta logo]()
$446
This United Airlines deal was found by Cheapflights users on 9/18. 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 10/316:00 am -
1 stop5h 13m
Sat 11/76:10 am -
1 stop6h 18m
Deal found 9/18![United Airlines logo]()
$446
This Delta deal was found by Cheapflights users on 9/17. 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 12/14:49 pm -
1 stop4h 33m
Fri 12/46:42 pm -
1 stop3h 51m
Deal found 9/17![Delta logo]()
$462
This United Airlines deal was found by Cheapflights users on 9/17. 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.
Tue 1/194:45 pm -
1 stop5h 21m
Fri 1/229:20 am -
2 stops9h 18m
Deal found 9/17![United Airlines logo]()
$462
This Delta deal was found by Cheapflights users on 9/17. 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 1/54:55 pm -
1 stop5h 14m
Fri 1/87:00 am -
1 stop7h 59m
Deal found 9/17![Delta logo]()
$462
This United Airlines deal was found by Cheapflights users on 9/17. 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.
Tue 1/53:00 pm -
2 stops9h 11m
Fri 1/85:00 am -
2 stops9h 02m
Deal found 9/17![United Airlines logo]()
$462
This Delta deal was found by Cheapflights users on 9/19. 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 11/56:00 am -
1 stop7h 44m
Mon 11/96:45 pm -
1 stop3h 42m
Deal found 9/19![Delta logo]()
$476
This United Airlines deal was found by Cheapflights users on 9/17. 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 11/49:15 am -
2 stops8h 48m
Sun 11/85:00 am -
2 stops9h 16m
Deal found 9/17![United Airlines logo]()
$462
This Delta deal was found by Cheapflights users on 9/17. 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 10/3110:04 am -
1 stop8h 35m
Fri 11/62:24 pm -
1 stop7h 32m
Deal found 9/17![Delta logo]()
$505
This United Airlines deal was found by Cheapflights users on 9/18. 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 1/98:35 am -
1 stop6h 26m
Wed 1/1312:30 pm -
1 stop5h 15m
Deal found 9/18![United Airlines logo]()
$488
This United Airlines deal was found by Cheapflights users on 9/19. 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.
Tue 11/39:44 am -
2 stops8h 59m
Tue 11/105:00 am -
1 stop3h 47m
Deal found 9/19![United Airlines logo]()
$489
This United Airlines deal was found by Cheapflights users on 9/18. 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 10/178:50 am -
1 stop5h 53m
Sat 10/2412:05 pm -
2 stops9h 18m
Deal found 9/18![United Airlines logo]()
$489
This United Airlines deal was found by Cheapflights users on 9/19. 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 10/178:50 am -
1 stop5h 53m
Tue 10/2012:05 pm -
2 stops9h 18m
Deal found 9/19![United Airlines logo]()
$489
This United Airlines deal was found by Cheapflights users on 9/20. 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 11/410:00 am -
2 stops8h 03m
Wed 11/112:23 pm -
1 stop5h 52m
Deal found 9/20![United Airlines logo]()
$489
This United Airlines deal was found by Cheapflights users on 9/21. 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.
Tue 10/610:45 am -
2 stops9h 25m
Thu 10/85:00 am -
1 stop3h 54m
Deal found 9/21![United Airlines logo]()
$504
This United Airlines deal was found by Cheapflights users on 9/21. 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.
Fri 10/161:00 pm -
1 stop10h 59m
Mon 10/196:32 pm -
1 stop4h 27m
Deal found 9/21![United Airlines logo]()
$518
This United Airlines deal was found by Cheapflights users on 9/21. 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.
Mon 11/236:00 am -
2 stops8h 32m
Fri 11/276:47 am -
2 stops7h 20m
Deal found 9/21![United Airlines logo]()
$590
This United Airlines deal was found by Cheapflights users on 9/21. 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.
Thu 10/155:20 pm -
1 stop14h 47m
Mon 10/197:18 am -
1 stop13h 17m
Deal found 9/21![United Airlines logo]()
$591
This United Airlines deal was found by Cheapflights users on 9/18. 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.
Fri 10/166:05 am -
2 stops14h 05m
Fri 10/2312:05 pm -
1 stop8h 30m
Deal found 9/18![United Airlines logo]()
$591
Last-minute flights from Ontario to MilwaukeeDiscover last-minute flight deals from Ontario to Milwaukee. Data last updated September 22, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Milwaukee. Data last updated September 22, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/18. 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 10/36:10 am -
1 stop6h 20m
Sat 10/103:51 pm -
1 stop4h 35m
Deal found 9/18![United Airlines logo]()
$446
This Delta deal was found by Cheapflights users on 9/17. 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 10/56:00 am -
1 stop3h 48m
Fri 10/236:49 pm -
1 stop3h 36m
Deal found 9/17![Delta logo]()
$485
This United Airlines deal was found by Cheapflights users on 9/21. 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.
Tue 10/67:00 am -
1 stop5h 30m
Wed 10/143:52 pm -
2 stops7h 02m
Deal found 9/21![United Airlines logo]()
$489
This American Airlines deal was found by Cheapflights users on 9/17. 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 10/72:24 pm -
1 stop9h 54m
Sun 10/115:00 am -
1 stop8h 33m
Deal found 9/17![American Airlines logo]()
$467
This American Airlines deal was found by Cheapflights users on 9/20. 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 10/141:15 pm -
1 stop7h 43m
Sat 10/318:45 am -
1 stop7h 59m
Deal found 9/20![American Airlines logo]()
$420
This American Airlines deal was found by Cheapflights users on 9/21. 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.
Thu 10/152:24 pm -
1 stop9h 54m
Tue 10/207:19 pm -
1 stop14h 40m
Deal found 9/21![American Airlines logo]()
$435
This United Airlines deal was found by Cheapflights users on 9/17. 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.
Fri 10/166:10 am -
1 stop14h 00m
Fri 10/2312:05 pm -
1 stop4h 25m
Deal found 9/17![United Airlines logo]()
$477
This American Airlines deal was found by Cheapflights users on 9/18. 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.
Fri 10/167:24 pm -
1 stop5h 33m
Fri 10/237:19 pm -
1 stop14h 40m
Deal found 9/18![American Airlines logo]()
$483
This American Airlines deal was found by Cheapflights users on 9/18. 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.
Sat 10/176:25 pm -
1 stop14h 42m
Sat 10/247:19 pm -
1 stop16h 15m
Deal found 9/18![American Airlines logo]()
$436
This American Airlines deal was found by Cheapflights users on 9/19. 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.
Sat 10/176:25 pm -
1 stop14h 42m
Tue 10/205:01 am -
1 stop8h 32m
Deal found 9/19![American Airlines logo]()
$439
This American Airlines deal was found by Cheapflights users on 9/20. 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.
Mon 10/194:15 pm -
1 stop5h 42m
Mon 10/267:19 pm -
1 stop14h 40m
Deal found 9/20![American Airlines logo]()
$472
This American Airlines deal was found by Cheapflights users on 9/17. 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 10/203:14 pm -
1 stop7h 33m
Sat 10/242:58 pm -
1 stop7h 31m
Deal found 9/17![American Airlines logo]()
$459
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 September 22, 2026.
Search for one-way flight options from Ontario to Milwaukee. Find affordable one-way fares based on user searches. Data last updated September 22, 2026.
This American Airlines deal was found by Cheapflights users on 9/18. 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.
Mon 11/2311:45 am -
1 stop9h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![American Airlines logo]()
$237
This Kiwi.com deal was found by Cheapflights users on 9/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/26:30 am -
1 stop27h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Multiple Airlines logo]()
$238
This American Airlines deal was found by Cheapflights users on 9/19. 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 11/311:36 am -
1 stop9h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![American Airlines logo]()
$239
This Kiwi.com deal was found by Cheapflights users on 9/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/312:20 pm -
3 stops45h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Multiple Airlines logo]()
$244
This United Airlines deal was found by Cheapflights users on 9/17. 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 12/123:00 pm -
2 stops7h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![United Airlines logo]()
$252
This Delta deal was found by Cheapflights users on 9/21. 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 10/275:10 pm -
1 stop3h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Delta logo]()
$253
This Delta deal was found by Cheapflights users on 9/17. 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 12/124:49 pm -
1 stop4h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Delta logo]()
$256
This Kiwi.com deal was found by Cheapflights users on 9/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/194:45 pm -
2 stops17h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Multiple Airlines logo]()
$258
This American Airlines deal was found by Cheapflights users on 9/17. 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.
Sun 11/111:34 am -
1 stop12h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![American Airlines logo]()
$259
This Delta deal was found by Cheapflights users on 9/18. 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 11/1912:50 pm -
1 stop8h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Delta logo]()
$267
This American Airlines deal was found by Cheapflights users on 9/17. 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 10/72:24 pm -
1 stop9h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![American Airlines logo]()
$267
This Kiwi.com deal was found by Cheapflights users on 9/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/49:20 am -
3 stops24h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Multiple Airlines logo]()
$269
Find flight deals from Ontario to Milwaukee
Keep the following information in mind while searching for Ontario to Milwaukee flight deals. Data was last updated September 22, 2026.
Round-trip from | $415 (American Airlines) |
|---|---|
One-way from | $237 (American Airlines) |
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 7,457,451 searches. Data last updated September 22, 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
TorontoMilwaukee
YYZ Toronto Pearson Intl - MKE Milwaukee-Mitchell
YYZMKE
Toronto Pearson Intl
Wed 11/4
11:36 am-8:02 pm
1 stop9h 26m
Milwaukee-Mitchell
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$239
TorontoMilwaukee
YYZ Toronto Pearson Intl - MKE Milwaukee-Mitchell
YYZMKE
Toronto Pearson Intl
Thu 11/5
7:09 am-2:22 pm
1 stop8h 13m
Milwaukee-Mitchell
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$239
MontrealMilwaukee
YUL Montreal Pierre Elliott Trudeau Intl - MKE Milwaukee-Mitchell
YULMKE
Montreal Pierre Elliott Trudeau Intl
Sat 12/12
3:00 pm-9:55 pm
2 stops7h 55m
Milwaukee-Mitchell
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$252
MontrealMilwaukee
YUL Montreal Pierre Elliott Trudeau Intl - MKE Milwaukee-Mitchell
YULMKE
Montreal Pierre Elliott Trudeau Intl
Wed 11/4
6:00 am-12:44 pm
1 stop7h 44m
Milwaukee-Mitchell
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$253
MontrealMilwaukee
YUL Montreal Pierre Elliott Trudeau Intl - MKE Milwaukee-Mitchell
YULMKE
Montreal Pierre Elliott Trudeau Intl
Tue 10/27
7:00 am-2:58 pm
2 stops8h 58m
Milwaukee-Mitchell
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$253
MontrealMilwaukee
YUL Montreal Pierre Elliott Trudeau Intl - MKE Milwaukee-Mitchell
YULMKE
Montreal Pierre Elliott Trudeau Intl
Sat 12/12
4:49 pm-8:22 pm
1 stop4h 33m
Milwaukee-Mitchell
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$256
TorontoMilwaukee
YYZ Toronto Pearson Intl - MKE Milwaukee-Mitchell
YYZMKE
Toronto Pearson Intl
Sat 11/7
3:15 pm-10:37 pm
1 stop8h 22m
Milwaukee-Mitchell
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$259
TorontoMilwaukee
YYZ Toronto Pearson Intl - MKE Milwaukee-Mitchell
YYZMKE
Toronto Pearson Intl
Sun 11/1
11:34 am-10:37 pm
1 stop12h 03m
Milwaukee-Mitchell
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$259
MontrealMilwaukee
YUL Montreal Pierre Elliott Trudeau Intl - MKE Milwaukee-Mitchell
YULMKE
Montreal Pierre Elliott Trudeau Intl
Thu 11/19
7:00 am-2:58 pm
2 stops8h 58m
Milwaukee-Mitchell
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$267
MontrealMilwaukee
YUL Montreal Pierre Elliott Trudeau Intl - MKE Milwaukee-Mitchell
YULMKE
Montreal Pierre Elliott Trudeau Intl
Thu 11/19
12:50 pm-8:15 pm
1 stop8h 25m
Milwaukee-Mitchell
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$267
Showing 1-10 of 46 resultsSorted by cheapest first
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.
YYZ-MKE
YUL-MKE
YOW-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
CAON-MKE
YYZ-MKE
YUL-MKE
YOW-MKE
What is the cheapest month to book a flight from Region of Ontario to Milwaukee?
Currently, September is the cheapest month in which you can book a flight from Region of Ontario to Milwaukee (average of $442). Flying from Region of Ontario to Milwaukee in June is currently the most expensive (average of $687). 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 Region of Ontario to Milwaukee?
Airfare is below average for this route at the moment.
Region of Ontario to Milwaukee flights typically cost between $438 and $621 in November.The cheapest round-trip price found within the last 5 days was $415 on American Airlines (Nov 3-Nov 10).
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 locationsPort Washington
Sheboygan
New Berlin
Oak Creek
Wauwatosa
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
Complete your trip
Flights by cabin class
Milwaukee flight routes
Other flight options
Popular flights