$185+ Cheap flights from Milwaukee (MKE) to Ontario
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 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — YYZ
Sep 19 — Sep 261
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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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 August 20, 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 August 20, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/15. 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.
Thu 10/298:03 pm -
1 stop16h 37m
Sun 11/18:00 pm -
1 stop24h 08m
Deal found 8/15![Multiple Airlines logo]()
$372
This American Airlines deal was found by Cheapflights users on 8/15. 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 9/195:03 am -
1 stop8h 29m
Sat 9/261:15 pm -
1 stop7h 48m
Deal found 8/15![American Airlines logo]()
$427
This American Airlines deal was found by Cheapflights users on 8/18. 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 9/168:31 am -
1 stop13h 55m
Fri 9/187:15 pm -
1 stop13h 46m
Deal found 8/18![American Airlines logo]()
$428
This American Airlines deal was found by Cheapflights users on 8/16. 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 9/3011:37 am -
1 stop10h 49m
Wed 10/72:24 pm -
1 stop9h 54m
Deal found 8/16![American Airlines logo]()
$441
This American Airlines deal was found by Cheapflights users on 8/19. 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.
Fri 9/188:14 pm -
1 stop15h 21m
Fri 9/257:15 pm -
1 stop13h 46m
Deal found 8/19![American Airlines logo]()
$452
This Delta deal was found by Cheapflights users on 8/17. 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 10/62:59 pm -
1 stop7h 55m
Tue 10/136:50 pm -
1 stop6h 03m
Deal found 8/17![Delta logo]()
$452
This American Airlines deal was found by Cheapflights users on 8/19. 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.
Fri 9/117:30 am -
1 stop10h 05m
Sun 9/136:30 am -
1 stop14h 33m
Deal found 8/19![American Airlines logo]()
$462
This Delta deal was found by Cheapflights users on 8/17. 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 10/63:20 pm -
1 stop7h 02m
Mon 10/126:00 am -
1 stop7h 44m
Deal found 8/17![Delta logo]()
$470
This Kiwi.com deal was found by Cheapflights users on 8/16. 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.
Thu 9/2410:10 am -
2 stops10h 45m
Sat 9/266:00 am -
1 stop3h 48m
Deal found 8/16![Multiple Airlines logo]()
$483
This American Airlines deal was found by Cheapflights users on 8/17. 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.
Thu 9/35:00 am -
1 stop6h 33m
Mon 9/77:20 am -
1 stop14h 40m
Deal found 8/17![American Airlines logo]()
$484
This Kiwi.com deal was found by Cheapflights users on 8/16. 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.
Thu 9/1710:10 am -
2 stops29h 59m
Tue 9/225:04 pm -
1 stop5h 16m
Deal found 8/16![Multiple Airlines logo]()
$486
This Delta deal was found by Cheapflights users on 8/17. 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.
Sun 10/46:47 pm -
1 stop3h 40m
Fri 10/167:00 am -
1 stop9h 32m
Deal found 8/17![Delta logo]()
$488
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 August 20, 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 August 20, 2026.
This Delta deal was found by Cheapflights users on 8/18. 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.
Wed 9/162:55 pm -
1 stop7h 55m
Tue 9/227:00 am -
1 stop5h 49m
Deal found 8/18![Delta logo]()
$514
This United Airlines deal was found by Cheapflights users on 8/17. 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 12/87:00 am -
1 stop5h 51m
Wed 12/96:10 am -
1 stop9h 54m
Deal found 8/17![United Airlines logo]()
$514
This American Airlines deal was found by Cheapflights users on 8/15. 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 11/211:38 am -
1 stop22h 52m
Tue 11/1012:10 pm -
1 stop7h 24m
Deal found 8/15![American Airlines logo]()
$528
This Kiwi.com deal was found by Cheapflights users on 8/17. 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.
Wed 9/212:18 pm -
1 stop5h 16m
Sat 9/54:10 pm -
1 stop5h 08m
Deal found 8/17![WestJet logo]()
$557
This flygcity.se deal was found by Cheapflights users on 8/20. 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 flygcity.se is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/46:15 am -
1 stop6h 44m
Sun 10/116:01 pm -
1 stop6h 36m
Deal found 8/20![Air Canada logo]()
$632
This United Airlines deal was found by Cheapflights users on 8/18. 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.
Wed 9/1610:30 am -
1 stop6h 00m
Tue 9/229:15 am -
2 stops9h 15m
Deal found 8/18![United Airlines logo]()
$524
This Delta deal was found by Cheapflights users on 8/18. 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.
Sat 12/1212:42 pm -
1 stop10h 16m
Thu 12/176:35 pm -
1 stop6h 19m
Deal found 8/18![Delta logo]()
$536
This United Airlines deal was found by Cheapflights users on 8/20. 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.
Sat 9/2612:05 pm -
2 stops9h 01m
Wed 9/306:10 am -
1 stop4h 57m
Deal found 8/20![United Airlines logo]()
$524
This Delta deal was found by Cheapflights users on 8/17. 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.
Fri 11/209:35 am -
1 stop6h 45m
Sun 11/225:19 pm -
1 stop5h 16m
Deal found 8/17![Delta logo]()
$541
This United Airlines deal was found by Cheapflights users on 8/17. 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 9/511:18 am -
1 stop5h 12m
Mon 9/76:10 am -
1 stop4h 50m
Deal found 8/17![United Airlines logo]()
$535
This Air Canada deal was found by Cheapflights users on 8/17. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/108:30 am -
1 stop7h 46m
Sat 10/246:25 am -
1 stop6h 05m
Deal found 8/17![Air Canada logo]()
$685
This Delta deal was found by Cheapflights users on 8/19. 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.
Tue 9/1510:00 am -
1 stop7h 34m
Thu 9/1712:08 pm -
1 stop4h 57m
Deal found 8/19![Delta logo]()
$597
This United Airlines deal was found by Cheapflights users on 8/18. 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.
Tue 12/82:50 pm -
1 stop5h 44m
Wed 12/93:00 pm -
1 stop6h 54m
Deal found 8/18![United Airlines logo]()
$576
This United Airlines deal was found by Cheapflights users on 8/19. 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.
Wed 2/35:00 am -
2 stops8h 11m
Sat 3/67:00 am -
1 stop3h 49m
Deal found 8/19![United Airlines logo]()
$586
This United Airlines deal was found by Cheapflights users on 8/18. 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 9/195:00 am -
2 stops7h 47m
Mon 9/211:00 pm -
1 stop5h 30m
Deal found 8/18![United Airlines logo]()
$607
This United Airlines deal was found by Cheapflights users on 8/18. 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.
Mon 12/145:00 am -
2 stops8h 11m
Wed 12/167:00 am -
1 stop3h 49m
Deal found 8/18![United Airlines logo]()
$607
This United Airlines deal was found by Cheapflights users on 8/19. 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.
Thu 9/310:19 am -
1 stop4h 27m
Mon 9/71:00 pm -
1 stop5h 15m
Deal found 8/19![United Airlines logo]()
$619
This United Airlines deal was found by Cheapflights users on 8/15. 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 10/1711:29 am -
1 stop10h 06m
Wed 10/2110:37 am -
1 stop5h 34m
Deal found 8/15![United Airlines logo]()
$700
This United Airlines deal was found by Cheapflights users on 8/17. 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.
Mon 9/142:20 pm -
1 stop6h 15m
Mon 9/215:57 pm -
1 stop6h 40m
Deal found 8/17![United Airlines logo]()
$700
This United Airlines deal was found by Cheapflights users on 8/16. 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 9/305:00 am -
1 stop7h 59m
Wed 10/76:25 am -
1 stop9h 46m
Deal found 8/16![United Airlines logo]()
$700
This United Airlines deal was found by Cheapflights users on 8/18. 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.
Tue 10/66:00 am -
1 stop9h 38m
Fri 10/95:20 pm -
1 stop14h 47m
Deal found 8/18![United Airlines logo]()
$701
This United Airlines deal was found by Cheapflights users on 8/18. 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.
Tue 9/295:00 am -
1 stop7h 59m
Sat 10/35:20 pm -
1 stop6h 39m
Deal found 8/18![United Airlines logo]()
$701
This United Airlines deal was found by Cheapflights users on 8/20. 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.
Sun 10/43:52 pm -
1 stop4h 43m
Sun 10/116:00 am -
2 stops8h 43m
Deal found 8/20![United Airlines logo]()
$710
This United Airlines deal was found by Cheapflights users on 8/16. 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.
Sun 9/136:00 am -
1 stop10h 16m
Sun 9/206:00 am -
2 stops10h 11m
Deal found 8/16![United Airlines logo]()
$710
This United Airlines deal was found by Cheapflights users on 8/16. 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 11/912:03 pm -
2 stops8h 53m
Mon 11/162:00 pm -
2 stops7h 50m
Deal found 8/16![United Airlines logo]()
$715
This United Airlines deal was found by Cheapflights users on 8/15. 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 12/87:00 am -
2 stops13h 47m
Wed 12/95:30 am -
2 stops7h 04m
Deal found 8/15![United Airlines logo]()
$997
This United Airlines deal was found by Cheapflights users on 8/20. 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.
Sun 10/48:30 am -
2 stops8h 13m
Sun 10/115:40 am -
2 stops9h 03m
Deal found 8/20![United Airlines logo]()
$997
Last-minute flights from Milwaukee to OntarioDiscover last-minute flight deals from Milwaukee to Ontario. Data last updated August 20, 2026 and is based on user searches.
Discover last-minute flight deals from Milwaukee to Ontario. Data last updated August 20, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 8/17. 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.
Thu 9/35:00 am -
1 stop6h 33m
Mon 9/77:20 am -
1 stop14h 40m
Deal found 8/17![American Airlines logo]()
$484
This American Airlines deal was found by Cheapflights users on 8/17. 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.
Sat 9/54:12 pm -
1 stop5h 23m
Mon 9/77:20 am -
1 stop14h 40m
Deal found 8/17![American Airlines logo]()
$502
This United Airlines deal was found by Cheapflights users on 8/15. 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 9/85:00 am -
2 stops8h 40m
Tue 9/84:55 pm -
1 stop6h 41m
Deal found 8/15![United Airlines logo]()
$494
This Kiwi.com deal was found by Cheapflights users on 8/16. 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.
Thu 9/1010:10 am -
1 stop29h 30m
Mon 9/146:15 am -
1 stop14h 19m
Deal found 8/16![Multiple Airlines logo]()
$501
This American Airlines deal was found by Cheapflights users on 8/19. 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.
Fri 9/117:30 am -
1 stop10h 05m
Sun 9/136:30 am -
1 stop14h 33m
Deal found 8/19![American Airlines logo]()
$462
This American Airlines deal was found by Cheapflights users on 8/18. 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 9/168:31 am -
1 stop13h 55m
Fri 9/187:15 pm -
1 stop13h 46m
Deal found 8/18![American Airlines logo]()
$428
This Kiwi.com deal was found by Cheapflights users on 8/16. 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.
Thu 9/1710:10 am -
2 stops29h 59m
Tue 9/225:04 pm -
1 stop5h 16m
Deal found 8/16![Multiple Airlines logo]()
$486
This American Airlines deal was found by Cheapflights users on 8/19. 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.
Fri 9/188:14 pm -
1 stop15h 21m
Fri 9/257:15 pm -
1 stop13h 46m
Deal found 8/19![American Airlines logo]()
$452
This American Airlines deal was found by Cheapflights users on 8/15. 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 9/195:03 am -
1 stop8h 29m
Sat 9/261:15 pm -
1 stop7h 48m
Deal found 8/15![American Airlines logo]()
$427
This Kiwi.com deal was found by Cheapflights users on 8/16. 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.
Thu 9/2410:10 am -
2 stops10h 45m
Sat 9/266:00 am -
1 stop3h 48m
Deal found 8/16![Multiple Airlines logo]()
$483
This Kiwi.com deal was found by Cheapflights users on 8/16. 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.
Thu 9/2410:10 am -
2 stops10h 45m
Sun 9/276:00 am -
1 stop3h 48m
Deal found 8/16![Multiple Airlines logo]()
$499
This American Airlines deal was found by Cheapflights users on 8/16. 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 9/3011:37 am -
1 stop10h 49m
Wed 10/72:24 pm -
1 stop9h 54m
Deal found 8/16![American Airlines logo]()
$441
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 August 20, 2026.
Search for one-way flight options from Milwaukee to Ontario. Find affordable one-way fares based on user searches. Data last updated August 20, 2026.
This American Airlines deal was found by Cheapflights users on 8/18. 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 9/121:18 pm -
1 stop9h 08m
Deal found 8/18![American Airlines logo]()
$185
This Delta deal was found by Cheapflights users on 8/17. 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 9/291:28 pm -
1 stop8h 59m
Deal found 8/17![Delta logo]()
$197
This Kiwi.com deal was found by Cheapflights users on 8/17. 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.
Thu 9/2410:10 am -
2 stops10h 45m
Deal found 8/17![Multiple Airlines logo]()
$202
This Delta deal was found by Cheapflights users on 8/17. 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 9/286:47 pm -
1 stop3h 40m
Deal found 8/17![Delta logo]()
$215
This United Airlines deal was found by Cheapflights users on 8/15. 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 9/810:30 am -
1 stop6h 00m
Deal found 8/15![United Airlines logo]()
$228
This Kiwi.com deal was found by Cheapflights users on 8/19. 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.
Mon 12/75:33 pm -
2 stops24h 32m
Deal found 8/19![Multiple Airlines logo]()
$236
This American Airlines deal was found by Cheapflights users on 8/17. 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.
Mon 9/288:14 pm -
1 stop14h 30m
Deal found 8/17![American Airlines logo]()
$242
This United Airlines deal was found by Cheapflights users on 8/19. 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.
Wed 9/27:18 am -
1 stop5h 24m
Deal found 8/19![United Airlines logo]()
$251
This American Airlines deal was found by Cheapflights users on 8/19. 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.
Mon 12/77:19 pm -
1 stop14h 31m
Deal found 8/19![American Airlines logo]()
$253
This United Airlines deal was found by Cheapflights users on 8/17. 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.
Sun 10/46:15 am -
2 stops7h 25m
Deal found 8/17![United Airlines logo]()
$255
This United Airlines deal was found by Cheapflights users on 8/20. 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.
Tue 9/292:20 pm -
1 stop5h 24m
Deal found 8/20![United Airlines logo]()
$270
This FlightHub deal was found by Cheapflights users on 8/17. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/249:37 am -
2 stops6h 08m
Deal found 8/17![WestJet logo]()
$272
Find flight deals from Milwaukee to Ontario
Keep the following information in mind while searching for Milwaukee to Ontario flight deals. Data was last updated August 20, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $372 (Kiwi.com) |
One-way from | $185 (American Airlines) |
Popular in | May |
Cheapest in | September |
Average price | $693 |
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 7,457,451 searches. Data last updated August 20, 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
MilwaukeeMontreal
MKE Milwaukee-Mitchell - YUL Montreal Pierre Elliott Trudeau Intl
MKEYUL
Milwaukee-Mitchell
Wed 9/16
2:55 pm-11:50 pm
1 stop7h 55m
Montreal Pierre Elliott Trudeau Intl
Tue 9/22
7:00 am-11:49 am
1 stop5h 49m
$514
MilwaukeeMontreal
MKE Milwaukee-Mitchell - YUL Montreal Pierre Elliott Trudeau Intl
MKEYUL
Milwaukee-Mitchell
Tue 12/8
7:00 am-1:51 pm
1 stop5h 51m
Montreal Pierre Elliott Trudeau Intl
Wed 12/9
6:10 am-3:04 pm
1 stop9h 54m
$514
MilwaukeeMontreal
MKE Milwaukee-Mitchell - YUL Montreal Pierre Elliott Trudeau Intl
MKEYUL
Milwaukee-Mitchell
Wed 9/16
10:30 am-5:30 pm
1 stop6h 00m
Montreal Pierre Elliott Trudeau Intl
Tue 9/22
9:15 am-5:30 pm
2 stops9h 15m
$524
MilwaukeeMontreal
MKE Milwaukee-Mitchell - YUL Montreal Pierre Elliott Trudeau Intl
MKEYUL
Milwaukee-Mitchell
Sat 9/26
12:05 pm-10:06 pm
2 stops9h 01m
Montreal Pierre Elliott Trudeau Intl
Wed 9/30
6:10 am-10:07 am
1 stop4h 57m
$524
MilwaukeeMontreal
MKE Milwaukee-Mitchell - YUL Montreal Pierre Elliott Trudeau Intl
MKEYUL
Milwaukee-Mitchell
Mon 11/2
11:38 am-11:30 am
1 stop22h 52m
Montreal Pierre Elliott Trudeau Intl
Tue 11/10
12:10 pm-6:34 pm
1 stop7h 24m
$528
MilwaukeeMontreal
MKE Milwaukee-Mitchell - YUL Montreal Pierre Elliott Trudeau Intl
MKEYUL
Milwaukee-Mitchell
Sat 9/5
11:18 am-5:30 pm
1 stop5h 12m
Montreal Pierre Elliott Trudeau Intl
Mon 9/7
6:10 am-10:00 am
1 stop4h 50m
$535
MilwaukeeMontreal
MKE Milwaukee-Mitchell - YUL Montreal Pierre Elliott Trudeau Intl
MKEYUL
Milwaukee-Mitchell
Sat 12/12
12:42 pm-11:58 pm
1 stop10h 16m
Montreal Pierre Elliott Trudeau Intl
Thu 12/17
6:35 pm-11:54 pm
1 stop6h 19m
$536
MilwaukeeToronto
MKE Milwaukee-Mitchell - YYZ Toronto Pearson Intl
MKEYYZ
Milwaukee-Mitchell
Fri 11/20
9:35 am-5:20 pm
1 stop6h 45m
Toronto Pearson Intl
Sun 11/22
5:19 pm-9:35 pm
1 stop5h 16m
$541
MilwaukeeToronto
MKE Milwaukee-Mitchell - YYZ Toronto Pearson Intl
MKEYYZ
Milwaukee-Mitchell
Wed 9/2
12:18 pm-6:34 pm
1 stop5h 16m
Toronto Pearson Intl
Sat 9/5
4:10 pm-8:18 pm
1 stop5h 08m
$557
MilwaukeeToronto
MKE Milwaukee-Mitchell - YYZ Toronto Pearson Intl
MKEYYZ
Milwaukee-Mitchell
Tue 12/8
2:50 pm-9:34 pm
1 stop5h 44m
Toronto Pearson Intl
Wed 12/9
3:00 pm-8:54 pm
1 stop6h 54m
$576
Showing 1-10 of 53 resultsSorted by cheapest first
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-YYZ
MKE-YUL
MKE-YXU
MKE-YOW
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
MKE-CAON
MKE-YYZ
MKE-YUL
MKE-YXU
MKE-YOW
What is the cheapest month to book a flight from Milwaukee to Region of Ontario?
Currently, January is the cheapest month in which you can book a flight from Milwaukee to Region of Ontario (average of $604). Flying from Milwaukee to Region of Ontario in December is currently the most expensive (average of $1,095). 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.
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 August 20, 2026.
See what other customers who have flown with Delta,United Airlines, andAmerican Airlines from Milwaukee to Ontario have to say. 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.
Food
7.2
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Crew
8.5
Overall
7.8
Reviews
1 / 20
10.0
ExcellentSalvador,Aug 2026
PHL - DTW
Food
7.2
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Crew
8.5
Overall
7.8
Reviews
1 / 20
10.0
ExcellentSalvador,Aug 2026
PHL - DTW
Food
7.2
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Crew
8.5
Overall
7.8
Reviews
1 / 20
10.0
ExcellentSalvador,Aug 2026
PHL - DTW
Food
7.2
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Crew
8.5
Overall
7.8
Reviews
1 / 20
10.0
ExcellentSalvador,Aug 2026
PHL - DTW
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.
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Alternative routes for Milwaukee to Ontario
See prices for flight routes from nearby airports that may be better suited for you.
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.
Milwaukee and Ontario flights
Browse other Milwaukee and Ontario flight options. Last updated on August 20, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Milwaukee to Ontario flights
Consider these flights traveling from Milwaukee to Ontario.
Top 2 airlines flying from Milwaukee to Ontario
Discover the top 2 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 7,457,451 searches. Data last updated August 20, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$348 | Average$572 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$437 | Average$639 | FlexibilityNo cancel fee | On-time71% |