$138+ Cheap flights from Wisconsin to Ontario (ONT)
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 12/14. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — ONT
Nov 15 — Nov 221
Round-trip
1 adult, Economy
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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 Wisconsin to OntarioExplore the most affordable flight options available from Wisconsin to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 16, 2026.
Explore the most affordable flight options available from Wisconsin to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 16, 2026.
This Mytrip deal was found by Cheapflights users on 10/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/162:40 pm -
2 stops21h 55m
Thu 11/2611:40 am -
2 stops24h 01m
Deal found 10/13![Multiple Airlines logo]()
$346
This Delta deal was found by Cheapflights users on 10/11. 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 11/312:36 pm -
1 stop8h 54m
Sat 11/1412:18 pm -
1 stop8h 10m
Deal found 10/11![Delta logo]()
$357
This American Airlines deal was found by Cheapflights users on 10/14. 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 11/1411:37 am -
1 stop9h 05m
Tue 11/177:00 am -
1 stop8h 07m
Deal found 10/14![American Airlines logo]()
$361
This American Airlines deal was found by Cheapflights users on 10/11. 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 11/37:05 am -
1 stop8h 26m
Sat 11/146:30 am -
2 stops9h 59m
Deal found 10/11![American Airlines logo]()
$362
This United Airlines deal was found by Cheapflights users on 10/14. 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 11/146:25 am -
2 stops8h 08m
Tue 11/171:29 pm -
1 stop5h 14m
Deal found 10/14![United Airlines logo]()
$366
This Delta deal was found by Cheapflights users on 10/13. 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 12/155:20 am -
1 stop7h 47m
Tue 1/51:00 pm -
1 stop6h 25m
Deal found 10/13![Delta logo]()
$372
This Delta deal was found by Cheapflights users on 10/13. 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 11/147:30 am -
1 stop6h 47m
Sun 11/2212:18 pm -
1 stop9h 36m
Deal found 10/13![Delta logo]()
$383
This Delta deal was found by Cheapflights users on 10/12. 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 11/311:04 am -
2 stops13h 39m
Sat 11/712:16 pm -
1 stop8h 01m
Deal found 10/12![Delta logo]()
$384
This Southwest deal was found by Cheapflights users on 10/14. 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 11/35:45 am -
1 stop6h 25m
Sat 11/71:05 pm -
1 stop7h 15m
Deal found 10/14![Southwest logo]()
$385
This Priceline deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/214:33 pm -
1 stop8h 58m
Thu 11/266:00 am -
1 stop7h 35m
Deal found 10/13![Alaska Airlines logo]()
$388
This United Airlines deal was found by Cheapflights users on 10/12. 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 11/36:15 am -
2 stops8h 18m
Sat 11/79:25 am -
2 stops9h 38m
Deal found 10/12![United Airlines logo]()
$389
This American Airlines deal was found by Cheapflights users on 10/14. 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 11/37:05 am -
1 stop8h 26m
Sat 11/79:29 am -
2 stops10h 31m
Deal found 10/14![American Airlines logo]()
$390
Best flights from Wisconsin to OntarioDiscover carefully curated flight deals from Wisconsin to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 16, 2026.
Discover carefully curated flight deals from Wisconsin to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 16, 2026.
This Southwest deal was found by Cheapflights users on 10/11. 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 12/86:50 am -
1 stop7h 05m
Wed 12/161:55 pm -
1 stop5h 50m
Deal found 10/11![Southwest logo]()
$357
This Delta deal was found by Cheapflights users on 10/13. 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 11/183:19 pm -
1 stop7h 35m
Sat 11/211:15 pm -
1 stop6h 40m
Deal found 10/13![Delta logo]()
$357
This United Airlines deal was found by Cheapflights users on 10/11. 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 12/94:15 pm -
1 stop6h 56m
Wed 1/65:00 am -
2 stops8h 06m
Deal found 10/11![United Airlines logo]()
$366
This American Airlines deal was found by Cheapflights users on 10/11. 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 11/37:05 am -
2 stops11h 14m
Sat 11/149:29 am -
2 stops10h 31m
Deal found 10/11![American Airlines logo]()
$367
This Alaska Airlines deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/134:40 pm -
1 stop8h 26m
Sun 11/156:00 am -
1 stop7h 42m
Deal found 10/11![Alaska Airlines logo]()
$470
This Southwest deal was found by Cheapflights users on 10/13. 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 12/35:15 am -
1 stop8h 55m
Mon 12/73:50 pm -
1 stop5h 20m
Deal found 10/13![Southwest logo]()
$357
This Delta deal was found by Cheapflights users on 10/13. 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 11/1312:32 pm -
2 stops12h 28m
Fri 11/2012:18 pm -
1 stop7h 59m
Deal found 10/13![Delta logo]()
$394
This United Airlines deal was found by Cheapflights users on 10/11. 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 12/94:15 pm -
1 stop6h 56m
Fri 1/15:00 am -
2 stops12h 10m
Deal found 10/11![United Airlines logo]()
$430
This Delta deal was found by Cheapflights users on 10/14. 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 11/147:30 am -
1 stop6h 47m
Sun 11/2212:18 pm -
1 stop9h 36m
Deal found 10/14![Delta logo]()
$408
This Southwest deal was found by Cheapflights users on 10/15. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/275:50 am -
1 stop6h 05m
Fri 11/274:00 pm -
1 stop6h 45m
Deal found 10/15![Southwest logo]()
$432
This American Airlines deal was found by Cheapflights users on 10/11. 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 12/911:36 am -
1 stop9h 08m
Fri 1/111:59 pm -
1 stop8h 45m
Deal found 10/11![American Airlines logo]()
$485
This United Airlines deal was found by Cheapflights users on 10/12. 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 10/271:32 pm -
1 stop7h 15m
Sat 10/316:59 am -
1 stop7h 53m
Deal found 10/12![United Airlines logo]()
$469
This Delta deal was found by Cheapflights users on 10/13. 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 10/285:30 am -
1 stop7h 36m
Sun 11/112:16 pm -
1 stop8h 01m
Deal found 10/13![Delta logo]()
$469
This United Airlines deal was found by Cheapflights users on 10/13. 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 11/1712:03 pm -
1 stop8h 44m
Wed 11/186:00 am -
1 stop7h 15m
Deal found 10/13![United Airlines logo]()
$477
This United Airlines deal was found by Cheapflights users on 10/14. 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 11/112:35 pm -
1 stop8h 16m
Sat 11/141:29 pm -
1 stop5h 30m
Deal found 10/14![United Airlines logo]()
$477
This Delta deal was found by Cheapflights users on 10/13. 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 10/285:35 am -
1 stop7h 31m
Tue 11/36:00 am -
2 stops8h 41m
Deal found 10/13![Delta logo]()
$493
This United Airlines deal was found by Cheapflights users on 10/12. 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 12/103:59 pm -
1 stop7h 12m
Mon 12/145:00 am -
2 stops8h 03m
Deal found 10/12![United Airlines logo]()
$482
This Delta deal was found by Cheapflights users on 10/13. 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 10/295:30 am -
1 stop7h 36m
Mon 11/212:16 pm -
1 stop8h 01m
Deal found 10/13![Delta logo]()
$524
This United Airlines deal was found by Cheapflights users on 10/14. 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 11/1712:33 pm -
1 stop8h 14m
Tue 12/15:00 am -
1 stop6h 24m
Deal found 10/14![United Airlines logo]()
$490
This Delta deal was found by Cheapflights users on 10/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/285:30 am -
1 stop7h 36m
Mon 11/212:16 pm -
1 stop8h 01m
Deal found 10/15![Delta logo]()
$540
This United Airlines deal was found by Cheapflights users on 10/14. 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 11/268:30 am -
1 stop6h 03m
Sat 2/276:30 am -
1 stop6h 39m
Deal found 10/14![United Airlines logo]()
$499
This Delta deal was found by Cheapflights users on 10/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/295:35 am -
1 stop7h 31m
Tue 11/312:16 pm -
1 stop7h 52m
Deal found 10/15![Delta logo]()
$543
This United Airlines deal was found by Cheapflights users on 10/14. 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 1/128:53 am -
1 stop5h 47m
Sat 1/237:00 am -
1 stop6h 06m
Deal found 10/14![United Airlines logo]()
$499
This United Airlines deal was found by Cheapflights users on 10/14. 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 1/128:53 am -
1 stop5h 47m
Wed 1/205:00 am -
1 stop6h 28m
Deal found 10/14![United Airlines logo]()
$499
This Delta deal was found by Cheapflights users on 10/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/295:35 am -
1 stop7h 31m
Mon 11/212:16 pm -
1 stop7h 52m
Deal found 10/15![Delta logo]()
$584
This United Airlines deal was found by Cheapflights users on 10/11. 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 11/148:30 am -
1 stop6h 03m
Wed 11/184:17 pm -
2 stops13h 26m
Deal found 10/11![United Airlines logo]()
$504
This Delta deal was found by Cheapflights users on 10/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/105:29 am -
1 stop7h 58m
Fri 2/1912:00 pm -
1 stop7h 58m
Deal found 10/16![Delta logo]()
$602
This United Airlines deal was found by Cheapflights users on 10/14. 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 1/99:25 am -
2 stops14h 50m
Sun 1/177:00 am -
1 stop6h 59m
Deal found 10/14![United Airlines logo]()
$504
This Delta deal was found by Cheapflights users on 10/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/86:15 am -
2 stops8h 15m
Mon 4/1210:59 pm -
2 stops11h 57m
Deal found 10/16![Delta logo]()
$608
This United Airlines deal was found by Cheapflights users on 10/12. 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 1/224:14 pm -
1 stop6h 46m
Fri 1/291:42 pm -
2 stops7h 33m
Deal found 10/12![United Airlines logo]()
$504
Last-minute flights from Wisconsin to OntarioDiscover last-minute flight deals from Wisconsin to Ontario. Data last updated October 16, 2026 and is based on user searches.
Discover last-minute flight deals from Wisconsin to Ontario. Data last updated October 16, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 10/11. 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 11/312:36 pm -
1 stop8h 54m
Sat 11/1412:18 pm -
1 stop8h 10m
Deal found 10/11![Delta logo]()
$357
This American Airlines deal was found by Cheapflights users on 10/11. 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 11/37:05 am -
1 stop8h 26m
Sat 11/146:30 am -
2 stops9h 59m
Deal found 10/11![American Airlines logo]()
$362
This Delta deal was found by Cheapflights users on 10/12. 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 11/311:04 am -
2 stops13h 39m
Sat 11/712:16 pm -
1 stop8h 01m
Deal found 10/12![Delta logo]()
$384
This United Airlines deal was found by Cheapflights users on 10/12. 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 11/36:15 am -
2 stops8h 18m
Sat 11/79:25 am -
2 stops9h 38m
Deal found 10/12![United Airlines logo]()
$389
This American Airlines deal was found by Cheapflights users on 10/14. 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 11/37:05 am -
2 stops11h 14m
Sat 11/79:29 am -
2 stops8h 33m
Deal found 10/14![American Airlines logo]()
$395
This Delta deal was found by Cheapflights users on 10/13. 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 11/1312:32 pm -
2 stops12h 28m
Fri 11/2012:18 pm -
1 stop7h 59m
Deal found 10/13![Delta logo]()
$394
This American Airlines deal was found by Cheapflights users on 10/14. 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 11/1411:37 am -
1 stop9h 05m
Tue 11/177:00 am -
1 stop8h 07m
Deal found 10/14![American Airlines logo]()
$361
This United Airlines deal was found by Cheapflights users on 10/14. 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 11/146:25 am -
2 stops8h 08m
Tue 11/171:29 pm -
1 stop5h 14m
Deal found 10/14![United Airlines logo]()
$366
This Delta deal was found by Cheapflights users on 10/13. 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 11/147:30 am -
1 stop6h 47m
Sun 11/2212:18 pm -
1 stop9h 36m
Deal found 10/13![Delta logo]()
$383
This Mytrip deal was found by Cheapflights users on 10/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/162:40 pm -
2 stops21h 55m
Thu 11/2611:40 am -
2 stops24h 01m
Deal found 10/13![Multiple Airlines logo]()
$346
This Delta deal was found by Cheapflights users on 10/13. 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 11/195:30 am -
1 stop7h 33m
Thu 11/267:05 am -
2 stops10h 03m
Deal found 10/13![Delta logo]()
$394
This Priceline deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/214:33 pm -
1 stop8h 58m
Thu 11/266:00 am -
1 stop7h 35m
Deal found 10/13![Alaska Airlines logo]()
$388
One-way flights from Wisconsin to OntarioSearch for one-way flight options from Wisconsin to Ontario. Find affordable one-way fares based on user searches. Data last updated October 16, 2026.
Search for one-way flight options from Wisconsin to Ontario. Find affordable one-way fares based on user searches. Data last updated October 16, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/13. 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 12/1410:00 am -
2 stops39h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/13![Multiple Airlines logo]()
$138
This Mytrip deal was found by Cheapflights users on 10/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/126:37 pm -
2 stops26h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![Multiple Airlines logo]()
$164
This Alaska Airlines deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/214:33 pm -
1 stop8h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/13![Alaska Airlines logo]()
$179
This Mytrip deal was found by Cheapflights users on 10/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/232:40 pm -
2 stops19h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![Multiple Airlines logo]()
$190
This Delta deal was found by Cheapflights users on 10/14. 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 11/47:05 am -
1 stop7h 31m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![Delta logo]()
$194
This Delta deal was found by Cheapflights users on 10/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/107:30 am -
1 stop6h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![Delta logo]()
$204
This Delta deal was found by Cheapflights users on 10/13. 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 11/227:30 am -
1 stop6h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/13![Delta logo]()
$205
This Delta deal was found by Cheapflights users on 10/14. 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 11/312:36 pm -
1 stop8h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![Delta logo]()
$207
This Alaska Airlines deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/54:34 pm -
1 stop8h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![Alaska Airlines logo]()
$210
This Delta deal was found by Cheapflights users on 10/14. 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 11/157:30 am -
1 stop6h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![Delta logo]()
$219
This Mytrip deal was found by Cheapflights users on 10/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/192:40 pm -
2 stops18h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/13![Multiple Airlines logo]()
$221
This Mytrip deal was found by Cheapflights users on 10/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/55:27 pm -
2 stops28h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/13![Multiple Airlines logo]()
$222
Find flight deals from Wisconsin to Ontario
Keep the following information in mind while searching for Wisconsin to Ontario flight deals. Data was last updated October 16, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $346 (Mytrip) |
One-way from | $138 (Kiwi.com) |
Popular in | September |
Cheapest in | February |
Average price | $468 |
Cheapflights Fare Finder
Customize your flight search to find flights from Wisconsin 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 October 16, 2026.
Use the filters below to find and compare flights from Wisconsin to Ontario that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
MilwaukeeOntario
MKE Milwaukee-Mitchell - ONT Ontario
MKEONT
Milwaukee-Mitchell
Sat 11/14
5:20 am-11:03 am
1 stop7h 43m
Ontario
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$179
MilwaukeeOntario
MKE Milwaukee-Mitchell - ONT Ontario
MKEONT
Milwaukee-Mitchell
Wed 1/6
3:25 pm-10:41 pm
1 stop9h 16m
Ontario
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$179
MilwaukeeOntario
MKE Milwaukee-Mitchell - ONT Ontario
MKEONT
Milwaukee-Mitchell
Wed 12/9
5:20 am-11:07 am
1 stop7h 47m
Ontario
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$179
MilwaukeeOntario
MKE Milwaukee-Mitchell - ONT Ontario
MKEONT
Milwaukee-Mitchell
Thu 11/26
5:20 am-11:03 am
1 stop7h 43m
Ontario
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$179
AppletonOntario
ATW Appleton Intl - ONT Ontario
ATWONT
Appleton Intl
Mon 12/14
10:00 am-10:17 pm
3 stops38h 17m
Ontario
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$200
MilwaukeeOntario
MKE Milwaukee-Mitchell - ONT Ontario
MKEONT
Milwaukee-Mitchell
Thu 11/5
4:34 pm-11:06 pm
1 stop8h 32m
Ontario
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$204
MilwaukeeOntario
MKE Milwaukee-Mitchell - ONT Ontario
MKEONT
Milwaukee-Mitchell
Sat 11/21
4:33 pm-11:31 pm
1 stop8h 58m
Ontario
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$204
Quickest round-trip
MilwaukeeOntario
MKE Milwaukee-Mitchell - ONT Ontario
MKEONT
Milwaukee-Mitchell
Tue 11/10
7:30 am-12:17 pm
1 stop6h 47m
Ontario
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$204
MilwaukeeOntario
MKE Milwaukee-Mitchell - ONT Ontario
MKEONT
Milwaukee-Mitchell
Fri 11/6
4:40 pm-11:06 pm
1 stop8h 26m
Ontario
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$204
MilwaukeeOntario
MKE Milwaukee-Mitchell - ONT Ontario
MKEONT
Milwaukee-Mitchell
Wed 11/18
7:30 am-12:17 pm
1 stop6h 47m
Ontario
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$204
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Wisconsin to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from Wisconsin with our price prediction graph.
MSN-ONT
MKE-ONT
GRB-ONT
ATW-ONT
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Wisconsin to Ontario
USWI-ONT
MSN-ONT
MKE-ONT
GRB-ONT
ATW-ONT
What is the cheapest month to book a flight from Wisconsin to Ontario?
Currently, January is the cheapest month in which you can book a flight from Wisconsin to Ontario (average of $341). Flying from Wisconsin to Ontario in October is currently the most expensive (average of $589). 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.
Related info for your journey
Find useful and relevant information for your journey from Wisconsin to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Ontario flight routes
Other flight options
Popular flights
Top destinations
Alternative routes for Wisconsin 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 Wisconsin to Ontario by cabin class
Find flights from Wisconsin to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Ontario
Explore flights to Ontario departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 16, 2026.
Wisconsin and Ontario flights
Browse other Wisconsin and Ontario flight options. Last updated on October 16, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Wisconsin to Ontario flights
Consider these flights traveling from Wisconsin to Ontario.
Top 4 airlines flying from Wisconsin to Ontario
Discover the top 4 airlines that operate flights from Wisconsin 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 October 16, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$288 | Average$462 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$333 | Average$475 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$334 | Average$476 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$360 | Average$479 | FlexibilityNo cancel fee | On-timeN/A |