$182+ 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 8/26. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — YYZ
Aug 23 — Aug 301
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 July 24, 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 July 24, 2026.
This American Airlines deal was found by Cheapflights users on 7/23. 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 9/19:14 am
MCI
- YYZ
1 stop13h 15m
American Airlines
Mon 9/711:39 am
YYZ
- MCI
1 stop13h 56m
American Airlines
Deal found 7/23![American Airlines logo]()
$475
This American Airlines deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/59:22 am
MCI
- YYZ
1 stop5h 41m
American Airlines
Wed 12/96:00 am
YYZ
- MCI
1 stop6h 43m
American Airlines
Deal found 7/18![American Airlines logo]()
$487
This Delta deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1110:25 am
MCI
- YUL
1 stop6h 21m
Delta
Wed 8/126:51 pm
YUL
- MCI
1 stop6h 07m
Delta
Deal found 7/19![Delta logo]()
$492
This Delta deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/256:00 am
MCI
- YYZ
1 stop8h 19m
Delta
Sat 12/57:45 am
YYZ
- MCI
1 stop9h 41m
Delta
Deal found 7/21![Delta logo]()
$498
This Delta deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/256:05 am
MCI
- YYZ
1 stop6h 34m
Delta
Wed 11/117:45 am
YYZ
- MCI
1 stop6h 40m
Delta
Deal found 7/20![Delta logo]()
$507
This Kiwi.com deal was found by Cheapflights users on 7/23. 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.
Sun 9/131:50 pm
MCI
- YYZ
1 stop26h 19m
Multiple Airlines
Fri 9/188:10 am
YYZ
- MCI
2 stops34h 06m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$515
This American Airlines deal was found by Cheapflights users on 7/22. 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.
Thu 8/135:00 am
MCI
- YYZ
1 stop8h 33m
American Airlines
Mon 8/173:14 pm
YYZ
- MCI
1 stop10h 21m
American Airlines
Deal found 7/22![American Airlines logo]()
$516
This Delta deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/71:31 pm
MCI
- YUL
1 stop9h 21m
Delta
Sat 8/156:00 am
YUL
- MCI
1 stop8h 27m
Delta
Deal found 7/19![Delta logo]()
$518
This American Airlines deal was found by Cheapflights users on 7/23. 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.
Mon 8/175:00 am
MCI
- YYZ
1 stop8h 33m
American Airlines
Wed 8/197:15 pm
YYZ
- MCI
1 stop14h 25m
American Airlines
Deal found 7/23![American Airlines logo]()
$520
This American Airlines deal was found by Cheapflights users on 7/22. 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.
Mon 8/175:00 am
MCI
- YYZ
1 stop12h 30m
American Airlines
Thu 8/2011:39 am
YYZ
- MCI
1 stop13h 56m
American Airlines
Deal found 7/22![American Airlines logo]()
$521
This Delta deal was found by Cheapflights users on 7/23. 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.
Tue 9/85:34 pm
MCI
- YUL
1 stop5h 10m
Delta
Tue 9/156:00 am
YUL
- MCI
1 stop4h 51m
Delta
Deal found 7/23![Delta logo]()
$524
This Delta deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/175:46 pm
MCI
- YYZ
1 stop4h 17m
Delta
Mon 8/246:00 am
YYZ
- MCI
1 stop7h 26m
Delta
Deal found 7/20![Delta logo]()
$526
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 July 24, 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 July 24, 2026.
This Delta deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1210:38 am
MCI
- YYZ
1 stop6h 31m
Delta
Wed 8/196:10 am
YYZ
- MCI
1 stop4h 35m
Delta
Deal found 7/19![Delta logo]()
$487
This United Airlines deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/112:10 pm
MCI
- YUL
1 stop6h 35m
United Airlines
Wed 9/29:45 am
YUL
- MCI
1 stop5h 33m
United Airlines
Deal found 7/19![United Airlines logo]()
$589
This Delta deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/256:00 am
MCI
- YYZ
1 stop8h 19m
Delta
Sat 12/57:45 am
YYZ
- MCI
1 stop9h 41m
Delta
Deal found 7/21![Delta logo]()
$498
This Delta deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/255:46 pm
MCI
- YUL
1 stop4h 44m
Delta
Mon 8/317:00 am
YUL
- MCI
1 stop10h 13m
Delta
Deal found 7/20![Delta logo]()
$518
This United Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:10 am
MCI
- YUL
1 stop9h 00m
United Airlines
Wed 10/213:25 pm
YUL
- MCI
1 stop9h 34m
United Airlines
Deal found 7/21![United Airlines logo]()
$589
This Delta deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/48:00 am
MCI
- YUL
1 stop8h 03m
Delta
Wed 12/912:45 pm
YUL
- MCI
1 stop10h 41m
Delta
Deal found 7/19![Delta logo]()
$518
This United Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1810:00 am
MCI
- YUL
2 stops11h 06m
United Airlines
Tue 8/252:20 pm
YUL
- MCI
1 stop6h 12m
United Airlines
Deal found 7/21![United Airlines logo]()
$609
This Delta deal was found by Cheapflights users on 7/23. 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.
Tue 9/85:34 pm
MCI
- YUL
1 stop5h 10m
Delta
Tue 9/156:00 am
YUL
- MCI
1 stop4h 51m
Delta
Deal found 7/23![Delta logo]()
$524
This United Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/69:59 am
MCI
- YUL
2 stops11h 07m
United Airlines
Sat 10/104:55 pm
YUL
- MCI
1 stop6h 09m
United Airlines
Deal found 7/21![United Airlines logo]()
$609
This Delta deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/254:25 pm
MCI
- YYZ
1 stop6h 34m
Delta
Mon 9/286:15 am
YYZ
- MCI
1 stop5h 59m
Delta
Deal found 7/20![Delta logo]()
$526
This United Airlines deal was found by Cheapflights users on 7/22. 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.
Tue 8/1110:00 am
MCI
- YUL
1 stop6h 30m
United Airlines
Wed 8/266:00 am
YUL
- MCI
2 stops12h 30m
United Airlines
Deal found 7/22![United Airlines logo]()
$609
This Delta deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/245:46 pm
MCI
- YYZ
1 stop4h 17m
Delta
Thu 8/2711:40 am
YYZ
- MCI
1 stop5h 33m
Delta
Deal found 7/20![Delta logo]()
$526
This United Airlines deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/17:30 am
MCI
- YTZ
1 stop8h 12m
United Airlines
Fri 9/43:45 pm
YTZ
- MCI
2 stops21h 35m
United Airlines
Deal found 7/20![United Airlines logo]()
$622
This Delta deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/610:38 am
MCI
- YYZ
1 stop6h 31m
Delta
Sat 9/126:00 am
YYZ
- MCI
1 stop4h 51m
Delta
Deal found 7/19![Delta logo]()
$559
This United Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/16:00 am
MCI
- YYZ
1 stop8h 46m
United Airlines
Wed 9/210:15 am
YYZ
- MCI
1 stop10h 27m
United Airlines
Deal found 7/21![United Airlines logo]()
$631
This Delta deal was found by Cheapflights users on 7/23. 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.
Sun 9/136:30 am
MCI
- YYZ
1 stop3h 48m
Delta
Fri 9/186:00 am
YYZ
- MCI
1 stop4h 51m
Delta
Deal found 7/23![Delta logo]()
$560
This United Airlines deal was found by Cheapflights users on 7/22. 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.
Tue 9/157:32 am
MCI
- YOW
1 stop5h 27m
United Airlines
Tue 9/155:57 pm
YOW
- MCI
1 stop7h 02m
United Airlines
Deal found 7/22![United Airlines logo]()
$646
This Delta deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/75:26 pm
MCI
- YUL
1 stop5h 33m
Delta
Sun 10/116:50 pm
YUL
- MCI
1 stop6h 08m
Delta
Deal found 7/20![Delta logo]()
$573
This United Airlines deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/110:00 am
MCI
- YOW
1 stop6h 16m
United Airlines
Sat 9/52:52 pm
YOW
- MCI
1 stop5h 40m
United Airlines
Deal found 7/19![United Airlines logo]()
$668
This Delta deal was found by Cheapflights users on 7/23. 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.
Thu 9/36:00 am
MCI
- YYZ
1 stop6h 41m
Delta
Thu 9/102:30 pm
YYZ
- MCI
1 stop8h 09m
Delta
Deal found 7/23![Delta logo]()
$601
This United Airlines deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1711:22 am
MCI
- YOW
1 stop4h 54m
United Airlines
Mon 8/246:25 am
YOW
- MCI
1 stop12h 05m
United Airlines
Deal found 7/20![United Airlines logo]()
$668
This Delta deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/245:43 am
MCI
- YUL
2 stops12h 11m
Delta
Sat 8/297:00 am
YUL
- MCI
1 stop8h 53m
Delta
Deal found 7/19![Delta logo]()
$602
This United Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/195:39 pm
MCI
- YOW
1 stop5h 15m
United Airlines
Tue 8/256:25 am
YOW
- MCI
1 stop5h 00m
United Airlines
Deal found 7/21![United Airlines logo]()
$668
This United Airlines deal was found by Cheapflights users on 7/23. 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 8/146:07 am
MCI
- YOW
1 stop9h 31m
United Airlines
Mon 8/175:57 pm
YOW
- MCI
1 stop7h 02m
United Airlines
Deal found 7/23![United Airlines logo]()
$678
This Delta deal was found by Cheapflights users on 7/22. 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 8/145:18 pm
MCI
- YYZ
1 stop5h 39m
Delta
Tue 8/186:10 am
YYZ
- MCI
1 stop4h 35m
Delta
Deal found 7/22![Delta logo]()
$618
This United Airlines deal was found by Cheapflights users on 7/23. 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.
Mon 9/76:00 am
MCI
- YOW
1 stop6h 59m
United Airlines
Mon 9/143:10 pm
YOW
- MCI
1 stop9h 49m
United Airlines
Deal found 7/23![United Airlines logo]()
$678
This Delta deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/32:00 pm
MCI
- YYZ
1 stop8h 57m
Delta
Tue 9/87:45 am
YYZ
- MCI
1 stop6h 36m
Delta
Deal found 7/21![Delta logo]()
$618
This United Airlines deal was found by Cheapflights users on 7/23. 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.
Sun 9/65:39 pm
MCI
- YOW
1 stop5h 15m
United Airlines
Sun 9/136:00 am
YOW
- MCI
1 stop14h 32m
United Airlines
Deal found 7/23![United Airlines logo]()
$678
This Delta deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/195:26 pm
MCI
- YYZ
1 stop5h 35m
Delta
Sun 11/226:30 am
YYZ
- MCI
1 stop9h 11m
Delta
Deal found 7/20![Delta logo]()
$631
This United Airlines deal was found by Cheapflights users on 7/22. 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.
Wed 11/256:00 am
MCI
- YTZ
1 stop9h 41m
United Airlines
Sat 12/512:10 pm
YTZ
- MCI
1 stop10h 39m
United Airlines
Deal found 7/22![United Airlines logo]()
$788
Last-minute flights from Kansas City to OntarioDiscover last-minute flight deals from Kansas City to Ontario. Data last updated July 24, 2026 and is based on user searches.
Discover last-minute flight deals from Kansas City to Ontario. Data last updated July 24, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/76:00 am
MCI
- YYZ
1 stop10h 18m
American Airlines
Wed 8/121:15 pm
YYZ
- MCI
1 stop12h 20m
American Airlines
Deal found 7/21![American Airlines logo]()
$507
This Delta deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/75:46 pm
MCI
- YUL
1 stop4h 44m
Delta
Wed 8/126:00 am
YUL
- MCI
1 stop8h 26m
Delta
Deal found 7/19![Delta logo]()
$518
This Delta deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/75:46 pm
MCI
- YUL
1 stop4h 44m
Delta
Thu 8/136:00 am
YUL
- MCI
1 stop8h 26m
Delta
Deal found 7/19![Delta logo]()
$544
This Delta deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1110:25 am
MCI
- YUL
1 stop6h 21m
Delta
Wed 8/126:51 pm
YUL
- MCI
1 stop6h 07m
Delta
Deal found 7/19![Delta logo]()
$492
This Delta deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1210:38 am
MCI
- YYZ
1 stop6h 31m
Delta
Wed 8/196:10 am
YYZ
- MCI
1 stop4h 35m
Delta
Deal found 7/20![Delta logo]()
$487
This American Airlines deal was found by Cheapflights users on 7/22. 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.
Thu 8/135:00 am
MCI
- YYZ
1 stop8h 33m
American Airlines
Mon 8/173:14 pm
YYZ
- MCI
1 stop10h 21m
American Airlines
Deal found 7/22![American Airlines logo]()
$516
This American Airlines deal was found by Cheapflights users on 7/23. 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.
Mon 8/175:00 am
MCI
- YYZ
1 stop8h 33m
American Airlines
Wed 8/197:15 pm
YYZ
- MCI
1 stop14h 25m
American Airlines
Deal found 7/23![American Airlines logo]()
$520
This American Airlines deal was found by Cheapflights users on 7/22. 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.
Mon 8/175:00 am
MCI
- YYZ
1 stop12h 30m
American Airlines
Thu 8/2011:39 am
YYZ
- MCI
1 stop13h 56m
American Airlines
Deal found 7/22![American Airlines logo]()
$521
This Delta deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/175:46 pm
MCI
- YYZ
1 stop4h 17m
Delta
Mon 8/246:00 am
YYZ
- MCI
1 stop7h 26m
Delta
Deal found 7/20![Delta logo]()
$526
This American Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/175:00 am
MCI
- YYZ
1 stop12h 30m
American Airlines
Tue 8/1811:39 am
YYZ
- MCI
1 stop13h 56m
American Airlines
Deal found 7/21![American Airlines logo]()
$538
This Delta deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/241:31 pm
MCI
- YYZ
1 stop7h 28m
Delta
Fri 8/2811:40 am
YYZ
- MCI
1 stop5h 33m
Delta
Deal found 7/21![Delta logo]()
$537
This Kiwi.com deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2411:26 am
MCI
- YYZ
2 stops25h 39m
Multiple Airlines
Fri 8/287:00 am
YYZ
- MCI
1 stop10h 02m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$542
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 July 24, 2026.
Search for one-way flight options from Kansas City to Ontario. Find affordable one-way fares based on user searches. Data last updated July 24, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 8/2611:26 am
MCI
- YYZ
2 stops25h 39m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$182
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 8/2611:26 am
MCI
- YTZ
3 stops27h 34m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$187
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 8/156:17 pm
MCI
- YYZ
2 stops43h 38m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$205
This Kiwi.com deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/186:11 pm
MCI
- YOW
2 stops20h 04m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$208
This Kiwi.com deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/99:16 am
MCI
- YUL
2 stops24h 59m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$215
This American Airlines deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/225:00 am
MCI
- YUL
1 stop5h 43m
American Airlines
Deal found 7/20![American Airlines logo]()
$217
This Delta deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2210:31 am
MCI
- YUL
1 stop4h 49m
Delta
Deal found 7/20![Delta logo]()
$222
This Kiwi.com deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/161:45 pm
MCI
- YYZ
2 stops31h 10m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$224
This American Airlines deal was found by Cheapflights users on 7/22. 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.
Sat 8/152:00 pm
MCI
- YYZ
1 stop8h 29m
American Airlines
Deal found 7/22![American Airlines logo]()
$230
This American Airlines deal was found by Cheapflights users on 7/22. 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.
Wed 8/265:00 am
MCI
- YYZ
1 stop12h 30m
American Airlines
Deal found 7/22![American Airlines logo]()
$232
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 8/156:17 pm
MCI
- YTZ
2 stops41h 38m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$240
This American Airlines deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/215:00 am
MCI
- YUL
1 stop10h 50m
American Airlines
Deal found 7/20![American Airlines logo]()
$243
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 July 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $465 (American Airlines) |
One-way from | $182 (Kiwi.com) |
Popular in | August |
Cheapest in | April |
Average price | $685 |
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 July 24, 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 CityToronto
MCI - YYZ
MCIYYZ
Kansas City
Wed 8/12
10:38 am-6:09 pm
1 stop6h 31m
Toronto Pearson Intl
Wed 8/19
6:10 am-9:45 am
1 stop4h 35m
$487
Kansas CityToronto
MCI - YYZ
MCIYYZ
Kansas City
Wed 11/25
6:00 am-3:19 pm
1 stop8h 19m
Toronto Pearson Intl
Sat 12/5
7:45 am-4:26 pm
1 stop9h 41m
$498
Kansas CityMontreal
MCI - YUL
MCIYUL
Kansas City
Tue 8/25
5:46 pm-11:30 pm
1 stop4h 44m
Montreal Pierre Elliott Trudeau Intl
Mon 8/31
7:00 am-4:13 pm
1 stop10h 13m
$518
Kansas CityMontreal
MCI - YUL
MCIYUL
Kansas City
Fri 12/4
8:00 am-5:03 pm
1 stop8h 03m
Montreal Pierre Elliott Trudeau Intl
Wed 12/9
12:45 pm-10:26 pm
1 stop10h 41m
$518
Kansas CityMontreal
MCI - YUL
MCIYUL
Kansas City
Tue 9/8
5:34 pm-11:44 pm
1 stop5h 10m
Montreal Pierre Elliott Trudeau Intl
Tue 9/15
6:00 am-9:51 am
1 stop4h 51m
$524
Kansas CityToronto
MCI - YYZ
MCIYYZ
Kansas City
Fri 9/25
4:25 pm-11:59 pm
1 stop6h 34m
Toronto Pearson Intl
Mon 9/28
6:15 am-11:14 am
1 stop5h 59m
$526
Kansas CityToronto
MCI - YYZ
MCIYYZ
Kansas City
Mon 8/24
5:46 pm-11:03 pm
1 stop4h 17m
Toronto Pearson Intl
Thu 8/27
11:40 am-4:13 pm
1 stop5h 33m
$526
Kansas CityToronto
MCI - YYZ
MCIYYZ
Kansas City
Sun 9/6
10:38 am-6:09 pm
1 stop6h 31m
Toronto Pearson Intl
Sat 9/12
6:00 am-9:51 am
1 stop4h 51m
$559
Quickest round-trip
Kansas CityToronto
MCI - YYZ
MCIYYZ
Kansas City
Sun 9/13
6:30 am-11:18 am
1 stop3h 48m
Toronto Pearson Intl
Fri 9/18
6:00 am-9:51 am
1 stop4h 51m
$560
Kansas CityMontreal
MCI - YUL
MCIYUL
Kansas City
Wed 10/7
5:26 pm-11:59 pm
1 stop5h 33m
Montreal Pierre Elliott Trudeau Intl
Sun 10/11
6:50 pm-11:58 pm
1 stop6h 08m
$573
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, February is the cheapest month in which you can book a flight from Kansas City to Region of Ontario (average of $530). Flying from Kansas City to Region of Ontario in June is currently the most expensive (average of $860). 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?
Airfare is below average for this route at the moment.
Kansas City to Region of Ontario flights typically cost between $544 and $948 in September.The cheapest round-trip price found within the last 5 days was $465 on American Airlines (Sep 10-Sep 15).
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 July 24, 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.
Boarding
8.1
Comfort
7.8
Crew
8.5
Entertainment
7.8
Overall
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Comfort
7.8
Crew
8.5
Entertainment
7.8
Overall
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Comfort
7.8
Crew
8.5
Entertainment
7.8
Overall
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Comfort
7.8
Crew
8.5
Entertainment
7.8
Overall
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Comfort
7.8
Crew
8.5
Entertainment
7.8
Overall
7.8
Food
7.2
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 July 24, 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 July 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$219 | Average$746 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$287 | Average$722 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$591 | Average$718 | FlexibilityNo cancel fee | On-time60% |