$159+ Cheap flights from Kansas City (MCI) 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 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — YYZ
Jul 27 — Aug 31
Round-trip
1 adult, Economy
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Find cheap flights from Kansas City to Ontario with Cheapflights
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Cheapest flights from Kansas City to OntarioExplore the most affordable flight options available from Kansas City to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 27, 2026.
Explore the most affordable flight options available from Kansas City to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 27, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/22. 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.
Wed 8/126:07 pm
MCI
- YYZ
2 stops18h 58m
Multiple Airlines
Sat 8/158:35 pm
YYZ
- MCI
1 stop20h 12m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$431
This Kiwi.com deal was found by Cheapflights users on 6/22. 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.
Sat 8/86:07 pm
MCI
- YYZ
2 stops18h 58m
Multiple Airlines
Sat 8/158:35 pm
YYZ
- MCI
1 stop20h 12m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$460
This Kiwi.com deal was found by Cheapflights users on 6/22. 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 8/106:07 pm
MCI
- YYZ
2 stops18h 58m
Multiple Airlines
Sat 8/158:35 pm
YYZ
- MCI
1 stop20h 12m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$476
This Kiwi.com deal was found by Cheapflights users on 6/26. 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.
Fri 7/246:07 pm
MCI
- YYZ
2 stops18h 58m
Multiple Airlines
Fri 7/317:00 am
YYZ
- MCI
1 stop9h 47m
Multiple Airlines
Deal found 6/26![Multiple Airlines logo]()
$478
This Kiwi.com deal was found by Cheapflights users on 6/24. 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.
Fri 8/146:17 pm
MCI
- YYZ
2 stops26h 48m
Multiple Airlines
Mon 8/247:00 am
YYZ
- MCI
1 stop10h 02m
Multiple Airlines
Deal found 6/24![Multiple Airlines logo]()
$483
This Kiwi.com deal was found by Cheapflights users on 6/22. 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.
Wed 8/126:07 pm
MCI
- YYZ
2 stops18h 58m
Multiple Airlines
Sun 8/167:00 am
YYZ
- MCI
1 stop9h 47m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$485
This Kiwi.com deal was found by Cheapflights users on 6/25. 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.
Sat 8/86:17 pm
MCI
- YYZ
2 stops18h 48m
Multiple Airlines
Wed 8/128:35 pm
YYZ
- MCI
1 stop20h 12m
Multiple Airlines
Deal found 6/25![Multiple Airlines logo]()
$490
This American Airlines deal was found by Cheapflights users on 6/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/145:30 am
MCI
- YYZ
1 stop11h 04m
American Airlines
Tue 7/2111:39 am
YYZ
- MCI
1 stop13h 40m
American Airlines
Deal found 6/22![American Airlines logo]()
$493
This Kiwi.com deal was found by Cheapflights users on 6/22. 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 8/2411:26 am
MCI
- YYZ
2 stops28h 29m
Multiple Airlines
Fri 8/287:00 am
YYZ
- MCI
1 stop10h 02m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$501
This Kiwi.com deal was found by Cheapflights users on 6/22. 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.
Sat 8/86:07 pm
MCI
- YYZ
2 stops18h 58m
Multiple Airlines
Mon 8/177:00 am
YYZ
- MCI
1 stop9h 47m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$506
This Kiwi.com deal was found by Cheapflights users on 6/22. 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.
Sat 8/86:07 pm
MCI
- YYZ
2 stops18h 58m
Multiple Airlines
Sun 8/167:00 am
YYZ
- MCI
1 stop9h 47m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$514
This Kiwi.com deal was found by Cheapflights users on 6/24. 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 8/34:32 pm
MCI
- YYZ
1 stop23h 37m
Multiple Airlines
Fri 8/75:50 pm
YYZ
- MCI
2 stops24h 20m
Multiple Airlines
Deal found 6/24![Multiple Airlines logo]()
$517
Best flights from Kansas City to OntarioDiscover carefully curated flight deals from Kansas City to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 27, 2026.
Discover carefully curated flight deals from Kansas City to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 27, 2026.
This United Airlines deal was found by Cheapflights users on 6/24. 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 9/96:00 am
MCI
- YUL
1 stop6h 09m
United Airlines
Wed 9/162:20 pm
YUL
- MCI
1 stop6h 12m
United Airlines
Deal found 6/24![United Airlines logo]()
$569
This Delta deal was found by Cheapflights users on 6/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/296:00 am
MCI
- YUL
1 stop6h 39m
Delta
Wed 8/52:29 pm
YUL
- MCI
1 stop8h 20m
Delta
Deal found 6/22![Delta logo]()
$578
This Kiwi.com deal was found by Cheapflights users on 6/23. 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 9/27:07 am
MCI
- YUL
1 stop15h 45m
Multiple Airlines
Mon 9/78:00 pm
YUL
- MCI
2 stops46h 16m
Multiple Airlines
Deal found 6/23![Multiple Airlines logo]()
$637
This United Airlines deal was found by Cheapflights users on 6/23. 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 7/289:34 am
MCI
- YUL
1 stop6h 56m
United Airlines
Tue 8/49:45 am
YUL
- MCI
1 stop7h 15m
United Airlines
Deal found 6/23![United Airlines logo]()
$578
This Delta deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/152:10 pm
MCI
- YUL
1 stop8h 15m
Delta
Tue 8/47:00 am
YUL
- MCI
1 stop10h 13m
Delta
Deal found 6/24![Delta logo]()
$588
This United Airlines deal was found by Cheapflights users on 6/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/177:30 am
MCI
- YUL
1 stop12h 56m
United Airlines
Tue 10/202:20 pm
YUL
- MCI
1 stop6h 26m
United Airlines
Deal found 6/22![United Airlines logo]()
$578
This Delta deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/151:18 pm
MCI
- YUL
1 stop9h 34m
Delta
Wed 8/57:00 am
YUL
- MCI
1 stop9h 14m
Delta
Deal found 6/24![Delta logo]()
$588
This United Airlines deal was found by Cheapflights users on 6/24. 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 7/149:34 am
MCI
- YUL
1 stop6h 56m
United Airlines
Wed 7/156:00 am
YUL
- MCI
2 stops11h 00m
United Airlines
Deal found 6/24![United Airlines logo]()
$598
This Delta deal was found by Cheapflights users on 6/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/216:00 am
MCI
- YYZ
1 stop9h 11m
Delta
Tue 7/286:00 am
YYZ
- MCI
1 stop12h 59m
Delta
Deal found 6/22![Delta logo]()
$605
This Delta deal was found by Cheapflights users on 6/26. 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 9/810:28 am
MCI
- YYZ
1 stop12h 11m
Delta
Tue 9/1510:00 am
YYZ
- MCI
1 stop12h 19m
Delta
Deal found 6/26![Delta logo]()
$616
This United Airlines deal was found by Cheapflights users on 6/24. 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 11/176:00 am
MCI
- YUL
2 stops8h 16m
United Airlines
Fri 11/202:13 pm
YUL
- MCI
1 stop6h 30m
United Airlines
Deal found 6/24![United Airlines logo]()
$631
This Delta deal was found by Cheapflights users on 6/26. 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 9/810:28 am
MCI
- YYZ
1 stop12h 11m
Delta
Sat 9/127:55 am
YYZ
- MCI
1 stop10h 45m
Delta
Deal found 6/26![Delta logo]()
$616
This United Airlines deal was found by Cheapflights users on 6/24. 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 11/176:00 am
MCI
- YUL
2 stops8h 16m
United Airlines
Thu 11/197:00 am
YUL
- MCI
2 stops11h 19m
United Airlines
Deal found 6/24![United Airlines logo]()
$636
This Delta deal was found by Cheapflights users on 6/26. 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 9/810:28 am
MCI
- YYZ
1 stop12h 11m
Delta
Mon 9/147:55 am
YYZ
- MCI
1 stop10h 20m
Delta
Deal found 6/26![Delta logo]()
$631
This United Airlines deal was found by Cheapflights users on 6/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/179:59 am
MCI
- YOW
1 stop6h 17m
United Airlines
Tue 10/206:00 am
YOW
- MCI
1 stop14h 46m
United Airlines
Deal found 6/22![United Airlines logo]()
$646
This United Airlines deal was found by Cheapflights users on 6/26. 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 11/27:36 am
MCI
- YTZ
1 stop8h 05m
United Airlines
Wed 11/412:10 pm
YTZ
- MCI
1 stop10h 41m
United Airlines
Deal found 6/26![United Airlines logo]()
$656
This Delta deal was found by Cheapflights users on 6/25. 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 9/127:05 am
MCI
- YYZ
1 stop10h 04m
Delta
Mon 9/147:55 am
YYZ
- MCI
1 stop10h 20m
Delta
Deal found 6/25![Delta logo]()
$663
This United Airlines deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/86:05 am
MCI
- YOW
1 stop15h 00m
United Airlines
Sat 8/156:25 am
YOW
- MCI
1 stop5h 00m
United Airlines
Deal found 6/24![United Airlines logo]()
$657
This Delta deal was found by Cheapflights users on 6/26. 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 9/810:28 am
MCI
- YYZ
1 stop12h 11m
Delta
Fri 9/186:00 am
YYZ
- MCI
1 stop12h 15m
Delta
Deal found 6/26![Delta logo]()
$664
This United Airlines deal was found by Cheapflights users on 6/25. 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 8/315:39 pm
MCI
- YOW
1 stop5h 15m
United Airlines
Wed 9/210:00 am
YOW
- MCI
1 stop5h 50m
United Airlines
Deal found 6/25![United Airlines logo]()
$657
This Delta deal was found by Cheapflights users on 6/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1210:45 am
MCI
- YYZ
1 stop11h 33m
Delta
Tue 8/187:55 am
YYZ
- MCI
1 stop11h 09m
Delta
Deal found 6/22![Delta logo]()
$691
This United Airlines deal was found by Cheapflights users on 6/23. 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 7/317:10 pm
MCI
- YOW
2 stops13h 01m
United Airlines
Tue 8/46:00 am
YOW
- MCI
2 stops9h 20m
United Airlines
Deal found 6/23![United Airlines logo]()
$661
This Delta deal was found by Cheapflights users on 6/25. 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 9/910:28 am
MCI
- YYZ
1 stop9h 49m
Delta
Sun 9/137:55 am
YYZ
- MCI
1 stop14h 24m
Delta
Deal found 6/25![Delta logo]()
$696
This United Airlines deal was found by Cheapflights users on 6/27. 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 11/257:36 am
MCI
- YTZ
1 stop25h 30m
United Airlines
Sat 12/512:10 pm
YTZ
- MCI
1 stop10h 39m
United Airlines
Deal found 6/27![United Airlines logo]()
$688
This Delta deal was found by Cheapflights users on 6/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/146:00 am
MCI
- YYZ
1 stop16h 41m
Delta
Tue 8/186:00 am
YYZ
- MCI
1 stop16h 49m
Delta
Deal found 6/22![Delta logo]()
$696
This Delta deal was found by Cheapflights users on 6/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/96:00 am
MCI
- YYZ
1 stop16h 41m
Delta
Tue 8/187:55 am
YYZ
- MCI
1 stop11h 09m
Delta
Deal found 6/22![Delta logo]()
$706
This United Airlines deal was found by Cheapflights users on 6/25. 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 10/256:45 pm
MCI
- YTZ
1 stop20h 56m
United Airlines
Wed 11/1112:15 pm
YTZ
- MCI
1 stop10h 36m
United Airlines
Deal found 6/25![United Airlines logo]()
$708
This Delta deal was found by Cheapflights users on 6/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1310:38 am
MCI
- YYZ
1 stop12h 03m
Delta
Wed 8/197:55 am
YYZ
- MCI
1 stop11h 09m
Delta
Deal found 6/22![Delta logo]()
$710
This United Airlines deal was found by Cheapflights users on 6/26. 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 7/196:41 pm
MCI
- YTZ
1 stop14h 26m
United Airlines
Mon 7/277:25 pm
YTZ
- MCI
1 stop19h 55m
United Airlines
Deal found 6/26![United Airlines logo]()
$741
This Delta deal was found by Cheapflights users on 6/25. 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 9/86:00 am
MCI
- YYZ
1 stop11h 09m
Delta
Thu 9/1710:00 am
YYZ
- MCI
1 stop12h 19m
Delta
Deal found 6/25![Delta logo]()
$716
Last-minute flights from Kansas City to OntarioDiscover last-minute flight deals from Kansas City to Ontario. Data last updated June 27, 2026 and is based on user searches.
Discover last-minute flight deals from Kansas City to Ontario. Data last updated June 27, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 6/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/145:30 am
MCI
- YYZ
1 stop11h 04m
American Airlines
Tue 7/2111:39 am
YYZ
- MCI
1 stop13h 40m
American Airlines
Deal found 6/22![American Airlines logo]()
$493
This American Airlines deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/147:46 pm
MCI
- YUL
1 stop14h 57m
American Airlines
Wed 7/152:30 pm
YUL
- MCI
1 stop9h 28m
American Airlines
Deal found 6/24![American Airlines logo]()
$559
This FlightHub deal was found by Cheapflights users on 6/24. 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.
Tue 7/143:38 pm
MCI
- YUL
1 stop7h 14m
WestJet
Tue 8/46:51 pm
YUL
- MCI
1 stop6h 07m
WestJet
Deal found 6/24![WestJet logo]()
$585
This Kiwi.com deal was found by Cheapflights users on 6/24. 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 7/156:07 pm
MCI
- YUL
2 stops23h 08m
Multiple Airlines
Tue 8/46:51 pm
YUL
- MCI
1 stop22h 22m
Multiple Airlines
Deal found 6/24![Multiple Airlines logo]()
$534
This Kiwi.com deal was found by Cheapflights users on 6/24. 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 7/156:07 pm
MCI
- YUL
2 stops23h 08m
Multiple Airlines
Wed 8/57:00 am
YUL
- MCI
1 stop5h 26m
Multiple Airlines
Deal found 6/24![Multiple Airlines logo]()
$545
This Kiwi.com deal was found by Cheapflights users on 6/22. 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.
Wed 7/156:07 pm
MCI
- YYZ
2 stops18h 58m
Multiple Airlines
Sun 7/198:35 pm
YYZ
- MCI
1 stop20h 12m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$584
This Kiwi.com deal was found by Cheapflights users on 6/25. 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.
Sat 7/186:07 pm
MCI
- YYZ
2 stops19h 53m
Multiple Airlines
Fri 7/247:00 am
YYZ
- MCI
1 stop9h 47m
Multiple Airlines
Deal found 6/25![Multiple Airlines logo]()
$583
This Kiwi.com deal was found by Cheapflights users on 6/25. 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 7/206:07 pm
MCI
- YYZ
2 stops21h 48m
Multiple Airlines
Sat 7/256:00 am
YYZ
- MCI
1 stop12h 10m
Multiple Airlines
Deal found 6/25![Multiple Airlines logo]()
$574
This American Airlines deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/217:46 pm
MCI
- YYZ
1 stop15h 51m
American Airlines
Tue 7/281:17 pm
YYZ
- MCI
1 stop12h 02m
American Airlines
Deal found 6/23![American Airlines logo]()
$538
This Kiwi.com deal was found by Cheapflights users on 6/26. 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.
Fri 7/246:07 pm
MCI
- YYZ
2 stops18h 58m
Multiple Airlines
Fri 7/317:00 am
YYZ
- MCI
1 stop9h 47m
Multiple Airlines
Deal found 6/26![Multiple Airlines logo]()
$478
This Delta deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/296:00 am
MCI
- YUL
1 stop6h 39m
Delta
Wed 8/52:29 pm
YUL
- MCI
1 stop8h 20m
Delta
Deal found 6/23![Delta logo]()
$578
This Kiwi.com deal was found by Cheapflights users on 6/26. 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 7/304:32 pm
MCI
- YYZ
1 stop13h 07m
Multiple Airlines
Mon 8/35:50 pm
YYZ
- MCI
2 stops48h 20m
Multiple Airlines
Deal found 6/26![Multiple Airlines logo]()
$535
One-way flights from Kansas City to OntarioSearch for one-way flight options from Kansas City to Ontario. Find affordable one-way fares based on user searches. Data last updated June 27, 2026.
Search for one-way flight options from Kansas City to Ontario. Find affordable one-way fares based on user searches. Data last updated June 27, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/22. 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 10/59:16 am
MCI
- YYZ
1 stop10h 39m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$159
This Kiwi.com deal was found by Cheapflights users on 6/26. 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.
Fri 7/246:07 pm
MCI
- YYZ
2 stops18h 58m
Multiple Airlines
Deal found 6/26![Multiple Airlines logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 6/22. 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.
Thu 8/64:32 pm
MCI
- YYZ
3 stops37h 23m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$190
This Kiwi.com deal was found by Cheapflights users on 6/25. 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.
Fri 7/246:07 pm
MCI
- YTZ
2 stops41h 28m
Multiple Airlines
Deal found 6/25![Multiple Airlines logo]()
$192
This Kiwi.com deal was found by Cheapflights users on 6/24. 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 7/276:07 pm
MCI
- YTZ
2 stops41h 28m
Multiple Airlines
Deal found 6/24![Multiple Airlines logo]()
$194
This Kiwi.com deal was found by Cheapflights users on 6/24. 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.
Fri 7/176:07 pm
MCI
- YTZ
2 stops17h 52m
Multiple Airlines
Deal found 6/24![Multiple Airlines logo]()
$198
This Kiwi.com deal was found by Cheapflights users on 6/25. 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 7/276:07 pm
MCI
- YYZ
2 stops40h 53m
Multiple Airlines
Deal found 6/25![Multiple Airlines logo]()
$199
This Kiwi.com deal was found by Cheapflights users on 6/24. 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.
Fri 7/176:07 pm
MCI
- YYZ
2 stops18h 58m
Multiple Airlines
Deal found 6/24![Multiple Airlines logo]()
$200
This Kiwi.com deal was found by Cheapflights users on 6/25. 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 7/296:07 pm
MCI
- YTZ
2 stops36h 53m
Multiple Airlines
Deal found 6/25![Multiple Airlines logo]()
$218
This Kiwi.com deal was found by Cheapflights users on 6/22. 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.
Wed 9/211:26 am
MCI
- YUL
3 stops23h 19m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$219
This Kiwi.com deal was found by Cheapflights users on 6/24. 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.
Sat 7/186:07 pm
MCI
- YYZ
2 stops18h 58m
Multiple Airlines
Deal found 6/24![Multiple Airlines logo]()
$222
This Kiwi.com deal was found by Cheapflights users on 6/24. 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 7/226:07 pm
MCI
- YTZ
2 stops12h 53m
Multiple Airlines
Deal found 6/24![Multiple Airlines logo]()
$227
Find flight deals from Kansas City to Ontario
Keep the following information in mind while searching for Kansas City to Ontario flight deals. Data was last updated June 27, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $431 (Kiwi.com) |
One-way from | $159 (Kiwi.com) |
Popular in | March |
Cheapest in | April |
Average price | $718 |
Cheapflights Fare Finder
Customize your flight search to find flights from Kansas City to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 27, 2026.
Use the filters below to find and compare flights from Kansas City to Ontario that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Kansas CityMontreal
MCI - YUL
MCIYUL
Kansas City
Wed 9/9
6:00 am-1:09 pm
1 stop6h 09m
Montreal Pierre Elliott Trudeau Intl
Wed 9/16
2:20 pm-7:32 pm
1 stop6h 12m
$569
Kansas CityMontreal
MCI - YUL
MCIYUL
Kansas City
Wed 7/29
6:00 am-1:39 pm
1 stop6h 39m
Montreal Pierre Elliott Trudeau Intl
Wed 8/5
2:29 pm-9:49 pm
1 stop8h 20m
$578
Kansas CityMontreal
MCI - YUL
MCIYUL
Kansas City
Tue 7/28
9:34 am-5:30 pm
1 stop6h 56m
Montreal Pierre Elliott Trudeau Intl
Tue 8/4
9:45 am-4:00 pm
1 stop7h 15m
$578
Kansas CityMontreal
MCI - YUL
MCIYUL
Kansas City
Sat 10/17
7:30 am-9:26 pm
1 stop12h 56m
Montreal Pierre Elliott Trudeau Intl
Tue 10/20
2:20 pm-7:46 pm
1 stop6h 26m
$578
Kansas CityMontreal
MCI - YUL
MCIYUL
Kansas City
Wed 7/15
2:10 pm-11:25 pm
1 stop8h 15m
Montreal Pierre Elliott Trudeau Intl
Tue 8/4
7:00 am-4:13 pm
1 stop10h 13m
$588
Kansas CityMontreal
MCI - YUL
MCIYUL
Kansas City
Wed 7/15
1:18 pm-11:52 pm
1 stop9h 34m
Montreal Pierre Elliott Trudeau Intl
Wed 8/5
7:00 am-3:14 pm
1 stop9h 14m
$588
Kansas CityMontreal
MCI - YUL
MCIYUL
Kansas City
Tue 7/14
9:34 am-5:30 pm
1 stop6h 56m
Montreal Pierre Elliott Trudeau Intl
Wed 7/15
6:00 am-4:00 pm
2 stops11h 00m
$598
Kansas CityToronto
MCI - YYZ
MCIYYZ
Kansas City
Tue 7/21
6:00 am-4:11 pm
1 stop9h 11m
Toronto Pearson Intl
Tue 7/28
6:00 am-5:59 pm
1 stop12h 59m
$605
Kansas CityToronto
MCI - YYZ
MCIYYZ
Kansas City
Tue 9/8
10:28 am-11:39 pm
1 stop12h 11m
Toronto Pearson Intl
Tue 9/15
10:00 am-9:19 pm
1 stop12h 19m
$616
Kansas CityToronto
MCI - YYZ
MCIYYZ
Kansas City
Tue 9/8
10:28 am-11:39 pm
1 stop12h 11m
Toronto Pearson Intl
Sat 9/12
7:55 am-5:40 pm
1 stop10h 45m
$616
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Kansas City to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from Kansas City with our price prediction graph.
MCI-YYZ
MCI-YUL
MCI-YTZ
MCI-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 Kansas City to Ontario
MCI-CAON
MCI-YYZ
MCI-YUL
MCI-YTZ
MCI-YOW
What is the cheapest month to book a flight from Kansas City to Region of Ontario?
Currently, August is the cheapest month in which you can book a flight from Kansas City to Region of Ontario (average of $98). Flying from Kansas City to Region of Ontario in June is currently the most expensive (average of $657). 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 Kansas City to Region of Ontario?
Reviews of airlines servicing Ontario
Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated June 27, 2026.
Read reviews from past customers who have flown Delta,United Airlines, andWestJet from Kansas City to Ontario. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.5
Food
7.2
Entertainment
7.8
Comfort
7.8
Boarding
8.1
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Food
7.2
Entertainment
7.8
Comfort
7.8
Boarding
8.1
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Food
7.2
Entertainment
7.8
Comfort
7.8
Boarding
8.1
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Food
7.2
Entertainment
7.8
Comfort
7.8
Boarding
8.1
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Food
7.2
Entertainment
7.8
Comfort
7.8
Boarding
8.1
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Related info for your journey
Find useful and relevant information for your journey from Kansas City 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 Kansas City to Ontario
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Complete your trip
Complete your trip to Ontario by adding a car rental and/or hotel reservation to your travel itinerary.
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Find flights from Kansas City to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Kansas City and Ontario flights
Browse other Kansas City and Ontario flight options. Last updated on June 27, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 3 airlines flying from Kansas City to Ontario
Discover the top 3 airlines that operate flights from Kansas City to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 27, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$219 | Average$703 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$260 | Average$722 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$591 | Average$718 | FlexibilityNo cancel fee | On-time60% |