$164+ 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 6/8. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — YYZ
Jun 16 — Jun 231
Round-trip
1 adult, Economy
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Find cheap flights from Kansas City to Ontario with Cheapflights
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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 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 May 17, 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 May 17, 2026.
This WestJet deal was found by Cheapflights users on 5/12. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/145:46 pm
MCI
- YYZ
1 stop14h 09m
WestJet
Sat 8/1511:00 am
YYZ
- MCI
2 stops23h 45m
WestJet
Deal found 5/12![WestJet logo]()
$553
This Kiwi.com deal was found by Cheapflights users on 5/13. 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.
Sun 7/196:57 pm
MCI
- YYZ
1 stop18h 58m
Multiple Airlines
Tue 8/43:55 pm
YYZ
- MCI
2 stops26h 26m
Multiple Airlines
Deal found 5/13![Multiple Airlines logo]()
$556
This Kiwi.com deal was found by Cheapflights users on 5/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/86:24 pm
MCI
- YYZ
2 stops16h 36m
Multiple Airlines
Tue 6/236:34 pm
YYZ
- MCI
1 stop23h 47m
Multiple Airlines
Deal found 5/12![Multiple Airlines logo]()
$565
This Kiwi.com deal was found by Cheapflights users on 5/13. 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.
Thu 8/201:50 pm
MCI
- YYZ
1 stop15h 49m
Multiple Airlines
Fri 8/285:50 pm
YYZ
- MCI
2 stops24h 34m
Multiple Airlines
Deal found 5/13![Multiple Airlines logo]()
$572
This American Airlines deal was found by Cheapflights users on 5/15. 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.
Wed 9/306:06 am
MCI
- YYZ
1 stop9h 28m
American Airlines
Tue 10/611:00 am
YYZ
- MCI
1 stop12h 51m
American Airlines
Deal found 5/15![American Airlines logo]()
$575
This United Airlines deal was found by Cheapflights users on 5/12. 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 8/251:08 pm
MCI
- YOW
1 stop7h 27m
United Airlines
Wed 8/2610:37 am
YOW
- MCI
1 stop6h 35m
United Airlines
Deal found 5/12![United Airlines logo]()
$583
This United Airlines deal was found by Cheapflights users on 5/16. 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.
Tue 8/411:25 am
MCI
- YOW
2 stops11h 29m
United Airlines
Wed 8/126:25 am
YOW
- MCI
1 stop5h 00m
United Airlines
Deal found 5/16![United Airlines logo]()
$588
This United Airlines deal was found by Cheapflights users on 5/13. 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.
Fri 8/76:05 am
MCI
- YOW
1 stop9h 33m
United Airlines
Wed 8/126:05 am
YOW
- MCI
2 stops11h 07m
United Airlines
Deal found 5/13![United Airlines logo]()
$593
This Kiwi.com deal was found by Cheapflights users on 5/15. 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.
Fri 6/56:24 pm
MCI
- YUL
2 stops22h 51m
Multiple Airlines
Mon 6/87:00 am
YUL
- MCI
1 stop11h 29m
Multiple Airlines
Deal found 5/15![Multiple Airlines logo]()
$593
This Kiwi.com deal was found by Cheapflights users on 5/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/101:50 pm
MCI
- YYZ
1 stop15h 49m
Multiple Airlines
Wed 8/127:25 am
YYZ
- MCI
2 stops10h 56m
Multiple Airlines
Deal found 5/12![Multiple Airlines logo]()
$598
This Kiwi.com deal was found by Cheapflights users on 5/16. 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.
Mon 7/66:16 pm
MCI
- YYZ
2 stops18h 49m
Multiple Airlines
Wed 7/87:24 pm
YYZ
- MCI
1 stop5h 03m
Multiple Airlines
Deal found 5/16![Multiple Airlines logo]()
$600
This Kiwi.com deal was found by Cheapflights users on 5/15. 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.
Wed 6/106:16 pm
MCI
- YYZ
2 stops16h 44m
Multiple Airlines
Wed 6/246:15 am
YYZ
- MCI
1 stop12h 06m
Multiple Airlines
Deal found 5/15![Multiple Airlines logo]()
$604
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 May 17, 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 May 17, 2026.
This United Airlines deal was found by Cheapflights users on 5/12. 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 8/75:45 pm
MCI
- YOW
1 stop15h 18m
United Airlines
Wed 8/126:25 am
YOW
- MCI
1 stop8h 53m
United Airlines
Deal found 5/12![United Airlines logo]()
$583
This Delta deal was found by Cheapflights users on 5/16. 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 8/196:00 am
MCI
- YUL
1 stop11h 54m
Delta
Sat 8/299:30 am
YUL
- MCI
1 stop9h 34m
Delta
Deal found 5/16![Delta logo]()
$646
This American Airlines deal was found by Cheapflights users on 5/16. 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.
Mon 6/295:33 am
MCI
- YYZ
1 stop10h 15m
American Airlines
Sat 7/47:20 am
YYZ
- MCI
1 stop12h 53m
American Airlines
Deal found 5/16![American Airlines logo]()
$685
This Kiwi.com deal was found by Cheapflights users on 5/13. 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.
Sun 9/131:50 pm
MCI
- YUL
2 stops16h 15m
Multiple Airlines
Fri 9/187:00 am
YUL
- MCI
1 stop6h 21m
Multiple Airlines
Deal found 5/13![Multiple Airlines logo]()
$787
This Alaska Airlines deal was found by Cheapflights users on 5/13. 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.
Thu 10/226:12 pm
MCI
- YYZ
2 stops44h 33m
Alaska Airlines
Mon 10/264:55 pm
YYZ
- MCI
2 stops49h 23m
Alaska Airlines
Deal found 5/13![Alaska Airlines logo]()
$876
This United Airlines deal was found by Cheapflights users on 5/16. 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.
Tue 8/46:00 am
MCI
- YOW
1 stop10h 07m
United Airlines
Wed 8/125:57 pm
YOW
- MCI
1 stop7h 02m
United Airlines
Deal found 5/16![United Airlines logo]()
$583
This United Airlines deal was found by Cheapflights users on 5/13. 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.
Thu 6/116:00 am
MCI
- YOW
1 stop15h 05m
United Airlines
Wed 6/175:50 pm
YOW
- MCI
1 stop7h 09m
United Airlines
Deal found 5/13![United Airlines logo]()
$583
This American Airlines deal was found by Cheapflights users on 5/16. 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 6/245:10 am
MCI
- YYZ
1 stop11h 34m
American Airlines
Mon 6/296:24 pm
YYZ
- MCI
1 stop15h 11m
American Airlines
Deal found 5/16![American Airlines logo]()
$694
This Delta deal was found by Cheapflights users on 5/16. 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.
Tue 6/236:58 pm
MCI
- YYZ
1 stop17h 44m
Delta
Mon 7/66:00 am
YYZ
- MCI
1 stop17h 28m
Delta
Deal found 5/16![Delta logo]()
$699
This United Airlines deal was found by Cheapflights users on 5/15. 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.
Mon 6/293:16 pm
MCI
- YOW
1 stop5h 19m
United Airlines
Mon 7/65:50 pm
YOW
- MCI
1 stop7h 09m
United Airlines
Deal found 5/15![United Airlines logo]()
$583
This United Airlines deal was found by Cheapflights users on 5/12. 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 8/251:08 pm
MCI
- YOW
1 stop7h 27m
United Airlines
Wed 8/2610:37 am
YOW
- MCI
1 stop6h 35m
United Airlines
Deal found 5/12![United Airlines logo]()
$583
This Delta deal was found by Cheapflights users on 5/16. 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 8/196:00 am
MCI
- YUL
1 stop11h 54m
Delta
Fri 8/289:30 am
YUL
- MCI
1 stop9h 34m
Delta
Deal found 5/16![Delta logo]()
$729
This American Airlines deal was found by Cheapflights users on 5/14. 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.
Wed 5/275:33 am
MCI
- YYZ
1 stop10h 15m
American Airlines
Mon 6/16:26 pm
YYZ
- MCI
1 stop15h 09m
American Airlines
Deal found 5/14![American Airlines logo]()
$773
This Alaska Airlines deal was found by Cheapflights users on 5/15. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/302:51 pm
MCI
- YYZ
2 stops23h 54m
Alaska Airlines
Tue 10/64:55 pm
YYZ
- MCI
2 stops25h 23m
Alaska Airlines
Deal found 5/15![Alaska Airlines logo]()
$876
This Delta deal was found by Cheapflights users on 5/16. 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.
Mon 8/245:19 pm
MCI
- YUL
1 stop5h 40m
Delta
Wed 8/269:30 am
YUL
- MCI
1 stop9h 34m
Delta
Deal found 5/16![Delta logo]()
$733
This American Airlines deal was found by Cheapflights users on 5/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/267:52 pm
MCI
- YUL
1 stop14h 50m
American Airlines
Fri 7/35:30 pm
YUL
- MCI
1 stop16h 02m
American Airlines
Deal found 5/12![American Airlines logo]()
$774
This Delta deal was found by Cheapflights users on 5/16. 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 8/196:05 am
MCI
- YUL
2 stops11h 49m
Delta
Sun 8/305:10 pm
YUL
- MCI
1 stop4h 40m
Delta
Deal found 5/16![Delta logo]()
$743
This American Airlines deal was found by Cheapflights users on 5/16. 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 6/245:33 am
MCI
- YYZ
1 stop10h 15m
American Airlines
Mon 7/611:00 am
YYZ
- MCI
1 stop12h 49m
American Airlines
Deal found 5/16![American Airlines logo]()
$775
This United Airlines deal was found by Cheapflights users on 5/13. 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 8/2512:20 pm
MCI
- YYZ
1 stop22h 01m
United Airlines
Wed 8/262:00 pm
YYZ
- MCI
1 stop8h 45m
United Airlines
Deal found 5/13![United Airlines logo]()
$744
This Delta deal was found by Cheapflights users on 5/12. 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 6/96:25 am
MCI
- YUL
2 stops11h 29m
Delta
Tue 6/1612:48 pm
YUL
- MCI
1 stop8h 58m
Delta
Deal found 5/12![Delta logo]()
$747
This Delta deal was found by Cheapflights users on 5/16. 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 8/206:00 am
MCI
- YUL
1 stop6h 39m
Delta
Thu 8/279:30 am
YUL
- MCI
1 stop9h 34m
Delta
Deal found 5/16![Delta logo]()
$765
This United Airlines deal was found by Cheapflights users on 5/16. 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 6/245:10 pm
MCI
- YTZ
1 stop15h 56m
United Airlines
Sun 6/287:20 pm
YTZ
- MCI
1 stop16h 09m
United Airlines
Deal found 5/16![United Airlines logo]()
$767
This United Airlines deal was found by Cheapflights users on 5/12. 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.
Mon 6/16:41 pm
MCI
- YTZ
1 stop14h 25m
United Airlines
Thu 6/412:15 pm
YTZ
- MCI
1 stop11h 58m
United Airlines
Deal found 5/12![United Airlines logo]()
$769
This Delta deal was found by Cheapflights users on 5/12. 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.
Sun 8/910:38 am
MCI
- YYZ
1 stop9h 41m
Delta
Wed 8/126:15 am
YYZ
- MCI
1 stop6h 11m
Delta
Deal found 5/12![Delta logo]()
$778
This United Airlines deal was found by Cheapflights users on 5/16. 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.
Fri 5/295:00 pm
MCI
- YYZ
1 stop15h 54m
United Airlines
Sun 5/3111:00 am
YYZ
- MCI
1 stop6h 00m
United Airlines
Deal found 5/16![United Airlines logo]()
$773
This United Airlines deal was found by Cheapflights users on 5/13. 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 10/68:00 am
MCI
- YTZ
1 stop7h 41m
United Airlines
Tue 10/67:20 pm
YTZ
- MCI
1 stop14h 31m
United Airlines
Deal found 5/13![United Airlines logo]()
$774
This Delta deal was found by Cheapflights users on 5/16. 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.
Fri 7/246:23 am
MCI
- YYZ
2 stops10h 01m
Delta
Mon 8/36:00 am
YYZ
- MCI
1 stop6h 16m
Delta
Deal found 5/16![Delta logo]()
$868
This United Airlines deal was found by Cheapflights users on 5/15. 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 8/255:08 pm
MCI
- YUL
1 stop20h 15m
United Airlines
Wed 8/265:05 pm
YUL
- MCI
1 stop27h 27m
United Airlines
Deal found 5/15![United Airlines logo]()
$778
This United Airlines deal was found by Cheapflights users on 5/13. 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.
Fri 7/247:53 am
MCI
- YTZ
1 stop7h 48m
United Airlines
Mon 8/37:20 pm
YTZ
- MCI
1 stop20h 00m
United Airlines
Deal found 5/13![United Airlines logo]()
$787
This United Airlines deal was found by Cheapflights users on 5/15. 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.
Sun 10/256:37 pm
MCI
- YTZ
1 stop14h 29m
United Airlines
Wed 11/1112:15 pm
YTZ
- MCI
1 stop10h 34m
United Airlines
Deal found 5/15![United Airlines logo]()
$796
Last-minute flights from Kansas City to OntarioDiscover last-minute flight deals from Kansas City to Ontario. Data last updated May 17, 2026 and is based on user searches.
Discover last-minute flight deals from Kansas City to Ontario. Data last updated May 17, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 5/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/36:24 pm
MCI
- YYZ
2 stops16h 36m
Multiple Airlines
Sun 6/76:05 am
YYZ
- MCI
1 stop4h 43m
Multiple Airlines
Deal found 5/14![Multiple Airlines logo]()
$630
This Kiwi.com deal was found by Cheapflights users on 5/13. 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.
Wed 6/36:24 pm
MCI
- YYZ
2 stops16h 36m
Multiple Airlines
Sat 6/62:30 pm
YYZ
- MCI
1 stop6h 04m
Multiple Airlines
Deal found 5/13![Multiple Airlines logo]()
$658
This Kiwi.com deal was found by Cheapflights users on 5/15. 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.
Fri 6/56:24 pm
MCI
- YUL
2 stops22h 51m
Multiple Airlines
Mon 6/87:00 am
YUL
- MCI
1 stop11h 29m
Multiple Airlines
Deal found 5/15![Multiple Airlines logo]()
$593
This Kiwi.com deal was found by Cheapflights users on 5/16. 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.
Sat 6/66:24 pm
MCI
- YUL
2 stops22h 51m
Multiple Airlines
Sat 6/136:00 am
YUL
- MCI
1 stop4h 48m
Multiple Airlines
Deal found 5/16![Multiple Airlines logo]()
$642
This Kiwi.com deal was found by Cheapflights users on 5/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/86:24 pm
MCI
- YYZ
2 stops16h 36m
Multiple Airlines
Tue 6/236:34 pm
YYZ
- MCI
1 stop23h 47m
Multiple Airlines
Deal found 5/12![Multiple Airlines logo]()
$565
This Kiwi.com deal was found by Cheapflights users on 5/15. 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.
Mon 6/86:24 pm
MCI
- YYZ
2 stops16h 36m
Multiple Airlines
Tue 6/167:24 pm
YYZ
- MCI
1 stop5h 06m
Multiple Airlines
Deal found 5/15![Multiple Airlines logo]()
$608
This American Airlines deal was found by Cheapflights users on 5/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/85:33 am
MCI
- YYZ
1 stop10h 15m
American Airlines
Tue 6/2311:01 am
YYZ
- MCI
1 stop12h 13m
American Airlines
Deal found 5/12![American Airlines logo]()
$643
This Kiwi.com deal was found by Cheapflights users on 5/15. 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.
Wed 6/106:16 pm
MCI
- YYZ
2 stops16h 44m
Multiple Airlines
Wed 6/246:15 am
YYZ
- MCI
1 stop12h 06m
Multiple Airlines
Deal found 5/15![Multiple Airlines logo]()
$604
This Kiwi.com deal was found by Cheapflights users on 5/13. 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.
Wed 6/106:16 pm
MCI
- YYZ
2 stops16h 44m
Multiple Airlines
Wed 6/179:45 am
YYZ
- MCI
1 stop4h 38m
Multiple Airlines
Deal found 5/13![Multiple Airlines logo]()
$641
This American Airlines deal was found by Cheapflights users on 5/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/105:10 am
MCI
- YYZ
1 stop11h 34m
American Airlines
Wed 6/171:15 pm
YYZ
- MCI
1 stop12h 33m
American Airlines
Deal found 5/13![American Airlines logo]()
$657
This United Airlines deal was found by Cheapflights users on 5/13. 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.
Thu 6/116:00 am
MCI
- YOW
1 stop15h 05m
United Airlines
Wed 6/175:50 pm
YOW
- MCI
1 stop7h 09m
United Airlines
Deal found 5/13![United Airlines logo]()
$583
This Kiwi.com deal was found by Cheapflights users on 5/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/156:16 pm
MCI
- YYZ
2 stops21h 29m
Multiple Airlines
Thu 6/185:45 pm
YYZ
- MCI
1 stop7h 33m
Multiple Airlines
Deal found 5/12![Multiple Airlines logo]()
$628
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 May 17, 2026.
Search for one-way flight options from Kansas City to Ontario. Find affordable one-way fares based on user searches. Data last updated May 17, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/16. 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.
Mon 6/86:24 pm
MCI
- YUL
3 stops42h 16m
Multiple Airlines
Deal found 5/16![Multiple Airlines logo]()
$164
This Kiwi.com deal was found by Cheapflights users on 5/16. 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.
Fri 7/36:16 pm
MCI
- YTZ
2 stops22h 14m
Multiple Airlines
Deal found 5/16![Multiple Airlines logo]()
$176
This Kiwi.com deal was found by Cheapflights users on 5/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/86:24 pm
MCI
- YTZ
2 stops37h 33m
Multiple Airlines
Deal found 5/14![Multiple Airlines logo]()
$183
This Kiwi.com deal was found by Cheapflights users on 5/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/123:09 pm
MCI
- YUL
2 stops26h 06m
Multiple Airlines
Deal found 5/12![Multiple Airlines logo]()
$188
This Kiwi.com deal was found by Cheapflights users on 5/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/86:24 pm
MCI
- YYZ
2 stops16h 36m
Multiple Airlines
Deal found 5/14![Multiple Airlines logo]()
$192
This Kiwi.com deal was found by Cheapflights users on 5/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/36:16 pm
MCI
- YYZ
2 stops45h 39m
Multiple Airlines
Deal found 5/12![Multiple Airlines logo]()
$195
This Kiwi.com deal was found by Cheapflights users on 5/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/316:16 pm
MCI
- YUL
3 stops22h 54m
Multiple Airlines
Deal found 5/14![Multiple Airlines logo]()
$197
This Kiwi.com deal was found by Cheapflights users on 5/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/106:16 pm
MCI
- YOW
2 stops43h 17m
Multiple Airlines
Deal found 5/12![Multiple Airlines logo]()
$198
This Kiwi.com deal was found by Cheapflights users on 5/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/161:45 pm
MCI
- YTZ
2 stops25h 15m
Multiple Airlines
Deal found 5/12![Multiple Airlines logo]()
$215
This Kiwi.com deal was found by Cheapflights users on 5/16. 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.
Sat 6/136:16 pm
MCI
- YUL
2 stops22h 59m
Multiple Airlines
Deal found 5/16![Multiple Airlines logo]()
$217
This Kiwi.com deal was found by Cheapflights users on 5/16. 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.
Fri 7/36:16 pm
MCI
- YYZ
2 stops18h 49m
Multiple Airlines
Deal found 5/16![Multiple Airlines logo]()
$219
This Kiwi.com deal was found by Cheapflights users on 5/13. 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.
Fri 6/196:16 pm
MCI
- YTZ
2 stops22h 14m
Multiple Airlines
Deal found 5/13![Multiple Airlines logo]()
$220
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 May 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $535 (Kiwi.com) |
One-way from | $164 (Kiwi.com) |
Popular in | March |
Cheapest in | February |
Average price | $641 |
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 May 17, 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 CityOttawa
MCI - YOW
MCIYOW
Kansas City
Fri 8/7
5:45 pm-10:03 am
1 stop15h 18m
Ottawa
Wed 8/12
6:25 am-2:18 pm
1 stop8h 53m
$583
Kansas CityOttawa
MCI - YOW
MCIYOW
Kansas City
Tue 8/4
6:00 am-5:07 pm
1 stop10h 07m
Ottawa
Wed 8/12
5:57 pm-11:59 pm
1 stop7h 02m
$583
Kansas CityOttawa
MCI - YOW
MCIYOW
Kansas City
Thu 6/11
6:00 am-10:05 pm
1 stop15h 05m
Ottawa
Wed 6/17
5:50 pm-11:59 pm
1 stop7h 09m
$583
Quickest round-trip
Kansas CityOttawa
MCI - YOW
MCIYOW
Kansas City
Mon 6/29
3:16 pm-9:35 pm
1 stop5h 19m
Ottawa
Mon 7/6
5:50 pm-11:59 pm
1 stop7h 09m
$583
Kansas CityOttawa
MCI - YOW
MCIYOW
Kansas City
Tue 8/25
1:08 pm-9:35 pm
1 stop7h 27m
Ottawa
Wed 8/26
10:37 am-4:12 pm
1 stop6h 35m
$583
Kansas CityMontreal
MCI - YUL
MCIYUL
Kansas City
Wed 8/19
6:00 am-6:54 pm
1 stop11h 54m
Montreal Pierre Elliott Trudeau Intl
Sat 8/29
9:30 am-6:04 pm
1 stop9h 34m
$646
Kansas CityToronto
MCI - YYZ
MCIYYZ
Kansas City
Mon 6/29
5:33 am-4:48 pm
1 stop10h 15m
Toronto Pearson Intl
Sat 7/4
7:20 am-7:13 pm
1 stop12h 53m
$685
Kansas CityToronto
MCI - YYZ
MCIYYZ
Kansas City
Wed 6/24
5:10 am-5:44 pm
1 stop11h 34m
Toronto Pearson Intl
Mon 6/29
6:24 pm-8:35 am
1 stop15h 11m
$694
Kansas CityToronto
MCI - YYZ
MCIYYZ
Kansas City
Tue 6/23
6:58 pm-1:42 pm
1 stop17h 44m
Toronto Pearson Intl
Mon 7/6
6:00 am-10:28 pm
1 stop17h 28m
$699
Kansas CityMontreal
MCI - YUL
MCIYUL
Kansas City
Wed 8/19
6:00 am-6:54 pm
1 stop11h 54m
Montreal Pierre Elliott Trudeau Intl
Fri 8/28
9:30 am-6:04 pm
1 stop9h 34m
$729
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-YOW
MCI-YUL
MCI-YTZ
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-YOW
MCI-YUL
MCI-YTZ
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 December is currently the most expensive (average of $572). 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 May 17, 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.
Entertainment
7.8
Food
7.2
Overall
7.9
Comfort
7.8
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Food
7.2
Overall
7.9
Comfort
7.8
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Food
7.2
Overall
7.9
Comfort
7.8
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Food
7.2
Overall
7.9
Comfort
7.8
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Food
7.2
Overall
7.9
Comfort
7.8
Boarding
8.1
Crew
8.5
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.
Search flights from Kansas City to Ontario by cabin class
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 May 17, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 4 airlines flying from Kansas City to Ontario
Discover the top 4 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 May 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$219 | Average$759 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$260 | Average$744 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$385 | Average$663 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$591 | Average$684 | FlexibilityNo cancel fee | On-time60% |