$172+ 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 10/26. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — YYZ
Sep 25 — Oct 21
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 August 26, 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 August 26, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/23. 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.
Fri 10/99:16 am -
1 stop27h 49m
Thu 10/151:30 pm -
1 stop19h 56m
Deal found 8/23![Multiple Airlines logo]()
$373
This Kiwi.com deal was found by Cheapflights users on 8/21. 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 11/139:36 am -
1 stop12h 19m
Sun 11/154:20 pm -
1 stop17h 36m
Deal found 8/21![Multiple Airlines logo]()
$382
This Kiwi.com deal was found by Cheapflights users on 8/24. 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 10/169:16 am -
1 stop10h 39m
Sun 10/259:35 am -
1 stop23h 51m
Deal found 8/24![Multiple Airlines logo]()
$399
This Kiwi.com deal was found by Cheapflights users on 8/24. 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 10/2310:56 am -
1 stop8h 59m
Mon 10/269:15 am -
2 stops35h 32m
Deal found 8/24![Multiple Airlines logo]()
$439
This Kiwi.com deal was found by Cheapflights users on 8/23. 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.
Fri 10/99:16 am -
1 stop28h 14m
Mon 10/127:45 am -
2 stops13h 03m
Deal found 8/23![Multiple Airlines logo]()
$468
This Kiwi.com deal was found by Cheapflights users on 8/22. 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 9/178:32 pm -
2 stops26h 13m
Tue 9/226:00 am -
1 stop4h 51m
Deal found 8/22![Multiple Airlines logo]()
$542
This Kiwi.com deal was found by Cheapflights users on 8/23. 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.
Mon 11/29:16 am -
2 stops32h 59m
Thu 11/56:00 am -
1 stop4h 47m
Deal found 8/23![Multiple Airlines logo]()
$547
This Delta deal was found by Cheapflights users on 8/24. 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.
Tue 9/2212:20 pm -
1 stop10h 30m
Sat 9/267:00 am -
1 stop10h 25m
Deal found 8/24![Delta logo]()
$553
This Kiwi.com deal was found by Cheapflights users on 8/22. 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 9/98:32 pm -
2 stops26h 13m
Tue 9/156:47 pm -
1 stop6h 04m
Deal found 8/22![Multiple Airlines logo]()
$561
This United Airlines deal was found by Cheapflights users on 8/24. 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 9/2210:00 am -
2 stops8h 45m
Sat 9/269:45 am -
1 stop11h 02m
Deal found 8/24![United Airlines logo]()
$563
This United Airlines deal was found by Cheapflights users on 8/24. 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 10/176:00 am -
2 stops7h 40m
Sat 10/246:00 am -
2 stops11h 23m
Deal found 8/24![United Airlines logo]()
$568
This American Airlines deal was found by Cheapflights users on 8/24. 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.
Wed 9/305:13 am -
1 stop5h 31m
Mon 10/125:34 pm -
1 stop7h 54m
Deal found 8/24![American Airlines logo]()
$575
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 August 26, 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 August 26, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/21. 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 11/139:36 am -
1 stop12h 19m
Sun 11/154:20 pm -
1 stop17h 36m
Deal found 8/21![Multiple Airlines logo]()
$382
This American Airlines deal was found by Cheapflights users on 8/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/257:44 am -
1 stop6h 15m
Wed 9/306:30 am -
1 stop8h 12m
Deal found 8/25![American Airlines logo]()
$547
This Delta deal was found by Cheapflights users on 8/26. 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.
Wed 11/257:05 am -
1 stop8h 10m
Sat 12/512:18 pm -
1 stop7h 54m
Deal found 8/26![Delta logo]()
$548
This United Airlines deal was found by Cheapflights users on 8/25. 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.
Tue 9/2211:10 am -
1 stop7h 35m
Sat 9/269:45 am -
1 stop5h 33m
Deal found 8/25![United Airlines logo]()
$553
This United Airlines deal was found by Cheapflights users on 8/24. 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 10/176:00 am -
2 stops7h 40m
Sat 10/246:00 am -
2 stops11h 23m
Deal found 8/24![United Airlines logo]()
$568
This Delta deal was found by Cheapflights users on 8/24. 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.
Fri 9/112:10 pm -
1 stop7h 49m
Tue 9/157:24 pm -
1 stop4h 36m
Deal found 8/24![Delta logo]()
$569
This Delta deal was found by Cheapflights users on 8/25. 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.
Mon 9/286:00 am -
1 stop6h 31m
Wed 9/3012:44 pm -
1 stop9h 35m
Deal found 8/25![Delta logo]()
$581
This United Airlines deal was found by Cheapflights users on 8/25. 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.
Thu 10/156:29 am -
1 stop5h 40m
Sat 10/249:45 am -
1 stop7h 08m
Deal found 8/25![United Airlines logo]()
$581
This United Airlines deal was found by Cheapflights users on 8/25. 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 11/211:27 am -
2 stops9h 15m
Wed 11/49:15 am -
2 stops9h 10m
Deal found 8/25![United Airlines logo]()
$596
This Delta deal was found by Cheapflights users on 8/25. 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.
Mon 9/216:00 am -
1 stop6h 31m
Thu 9/249:30 am -
1 stop8h 45m
Deal found 8/25![Delta logo]()
$609
This United Airlines deal was found by Cheapflights users on 8/25. 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.
Sat 10/245:46 pm -
1 stop23h 59m
Wed 10/283:15 pm -
1 stop24h 22m
Deal found 8/25![United Airlines logo]()
$604
This Delta deal was found by Cheapflights users on 8/25. 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.
Thu 9/176:00 am -
1 stop6h 40m
Sun 9/206:15 am -
1 stop5h 59m
Deal found 8/25![Delta logo]()
$624
This United Airlines deal was found by Cheapflights users on 8/25. 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 9/216:00 am -
1 stop6h 09m
Thu 9/246:10 am -
1 stop5h 09m
Deal found 8/25![United Airlines logo]()
$609
This Delta deal was found by Cheapflights users on 8/24. 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.
Sun 10/256:30 am -
1 stop4h 29m
Wed 11/112:20 pm -
2 stops10h 04m
Deal found 8/24![Delta logo]()
$658
This United Airlines deal was found by Cheapflights users on 8/25. 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.
Wed 9/237:32 am -
1 stop8h 44m
Sat 9/263:10 pm -
1 stop9h 49m
Deal found 8/25![United Airlines logo]()
$630
This Delta deal was found by Cheapflights users on 8/21. 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 10/2910:08 am -
1 stop7h 01m
Sat 10/316:00 am -
2 stops11h 47m
Deal found 8/21![Delta logo]()
$658
This United Airlines deal was found by Cheapflights users on 8/23. 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 11/37:36 am -
1 stop5h 24m
Sat 11/77:00 am -
2 stops15h 51m
Deal found 8/23![United Airlines logo]()
$638
This Delta deal was found by Cheapflights users on 8/21. 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.
Fri 9/1810:28 am -
1 stop6h 41m
Sun 9/206:15 am -
1 stop8h 06m
Deal found 8/21![Delta logo]()
$675
This United Airlines deal was found by Cheapflights users on 8/23. 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.
Wed 10/77:30 am -
2 stops11h 15m
Wed 10/143:25 pm -
1 stop9h 19m
Deal found 8/23![United Airlines logo]()
$643
This United Airlines deal was found by Cheapflights users on 8/23. 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 9/216:45 pm -
1 stop14h 22m
Mon 9/287:35 pm -
1 stop14h 32m
Deal found 8/23![United Airlines logo]()
$684
This United Airlines deal was found by Cheapflights users on 8/25. 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 10/56:39 pm -
2 stops13h 32m
Fri 10/96:25 am -
1 stop6h 55m
Deal found 8/25![United Airlines logo]()
$686
This United Airlines deal was found by Cheapflights users on 8/24. 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.
Mon 9/213:14 pm -
2 stops7h 40m
Mon 9/286:01 pm -
2 stops16h 06m
Deal found 8/24![United Airlines logo]()
$703
This United Airlines deal was found by Cheapflights users on 8/23. 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 10/265:50 pm -
1 stop16h 32m
Thu 10/296:40 pm -
1 stop26h 15m
Deal found 8/23![United Airlines logo]()
$715
This United Airlines deal was found by Cheapflights users on 8/21. 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 10/36:00 am -
2 stops11h 51m
Sat 10/103:15 pm -
2 stops22h 05m
Deal found 8/21![United Airlines logo]()
$720
This United Airlines deal was found by Cheapflights users on 8/22. 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.
Mon 2/11:04 pm -
1 stop7h 27m
Sun 2/76:15 am -
1 stop7h 12m
Deal found 8/22![United Airlines logo]()
$722
This United Airlines deal was found by Cheapflights users on 8/21. 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.
Mon 10/55:46 pm -
1 stop5h 08m
Mon 10/126:01 pm -
1 stop6h 43m
Deal found 8/21![United Airlines logo]()
$722
This United Airlines deal was found by Cheapflights users on 8/22. 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.
Mon 2/11:04 pm -
2 stops7h 52m
Sat 2/69:45 am -
1 stop6h 05m
Deal found 8/22![United Airlines logo]()
$728
This KAYAK deal was found by Cheapflights users on 8/24. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/85:39 pm -
1 stop24h 12m
Thu 9/103:15 pm -
1 stop24h 35m
Deal found 8/24![United Airlines logo]()
$760
Last-minute flights from Kansas City to OntarioDiscover last-minute flight deals from Kansas City to Ontario. Data last updated August 26, 2026 and is based on user searches.
Discover last-minute flight deals from Kansas City to Ontario. Data last updated August 26, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 8/24. 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.
Tue 9/85:30 pm -
1 stop5h 29m
Tue 9/1512:25 pm -
1 stop5h 29m
Deal found 8/24![Delta logo]()
$548
This Kiwi.com deal was found by Cheapflights users on 8/22. 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 9/98:32 pm -
2 stops26h 13m
Tue 9/156:47 pm -
1 stop6h 04m
Deal found 8/22![Multiple Airlines logo]()
$561
This Kiwi.com deal was found by Cheapflights users on 8/21. 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.
Thu 9/1010:30 pm -
1 stop31h 09m
Mon 9/144:45 pm -
2 stops27h 52m
Deal found 8/21![Multiple Airlines logo]()
$564
This American Airlines deal was found by Cheapflights users on 8/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/117:49 am -
1 stop8h 26m
Wed 9/303:13 pm -
1 stop10h 10m
Deal found 8/26![American Airlines logo]()
$547
This American Airlines deal was found by Cheapflights users on 8/24. 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.
Sat 9/1210:59 am -
1 stop5h 01m
Tue 9/2211:02 am -
1 stop11h 52m
Deal found 8/24![American Airlines logo]()
$525
This American Airlines deal was found by Cheapflights users on 8/23. 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 9/156:16 am -
1 stop9h 29m
Sat 9/196:30 am -
1 stop9h 52m
Deal found 8/23![American Airlines logo]()
$503
This Kiwi.com deal was found by Cheapflights users on 8/22. 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 9/178:32 pm -
2 stops26h 13m
Tue 9/226:00 am -
1 stop4h 51m
Deal found 8/22![Multiple Airlines logo]()
$542
This American Airlines deal was found by Cheapflights users on 8/22. 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 9/1912:19 pm -
1 stop10h 07m
Sat 9/266:30 am -
1 stop8h 12m
Deal found 8/22![American Airlines logo]()
$505
This Kiwi.com deal was found by Cheapflights users on 8/24. 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 9/2110:30 pm -
1 stop20h 39m
Mon 9/284:45 pm -
2 stops51h 52m
Deal found 8/24![Multiple Airlines logo]()
$495
This Delta deal was found by Cheapflights users on 8/24. 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.
Tue 9/2212:20 pm -
1 stop10h 30m
Sat 9/267:00 am -
1 stop10h 25m
Deal found 8/24![Delta logo]()
$553
This United Airlines deal was found by Cheapflights users on 8/24. 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 9/2210:00 am -
2 stops8h 45m
Sat 9/269:45 am -
1 stop11h 02m
Deal found 8/24![United Airlines logo]()
$563
This American Airlines deal was found by Cheapflights users on 8/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/267:01 am -
1 stop8h 44m
Mon 9/286:29 pm -
1 stop5h 30m
Deal found 8/25![American Airlines logo]()
$545
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 August 26, 2026.
Search for one-way flight options from Kansas City to Ontario. Find affordable one-way fares based on user searches. Data last updated August 26, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/24. 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 10/269:16 am -
1 stop30h 54m
Deal found 8/24![Multiple Airlines logo]()
$172
This Kiwi.com deal was found by Cheapflights users on 8/24. 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 10/2310:56 am -
1 stop8h 59m
Deal found 8/24![Multiple Airlines logo]()
$173
This Kiwi.com deal was found by Cheapflights users on 8/24. 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 9/288:32 pm -
2 stops42h 28m
Deal found 8/24![Multiple Airlines logo]()
$190
This Kiwi.com deal was found by Cheapflights users on 8/24. 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 10/169:16 am -
1 stop10h 39m
Deal found 8/24![Multiple Airlines logo]()
$195
This Kiwi.com deal was found by Cheapflights users on 8/24. 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.
Sun 9/278:32 pm -
2 stops24h 23m
Deal found 8/24![Multiple Airlines logo]()
$211
This Kiwi.com deal was found by Cheapflights users on 8/24. 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 9/2810:30 pm -
3 stops41h 25m
Deal found 8/24![Multiple Airlines logo]()
$215
This Kiwi.com deal was found by Cheapflights users on 8/23. 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.
Mon 10/199:16 am -
2 stops32h 04m
Deal found 8/23![Multiple Airlines logo]()
$242
This Delta deal was found by Cheapflights users on 8/24. 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 9/304:25 pm -
1 stop6h 25m
Deal found 8/24![Delta logo]()
$247
This United Airlines deal was found by Cheapflights users on 8/25. 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.
Tue 9/227:32 am -
2 stops11h 13m
Deal found 8/25![United Airlines logo]()
$252
This Kiwi.com deal was found by Cheapflights users on 8/24. 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 10/238:43 pm -
3 stops46h 16m
Deal found 8/24![Multiple Airlines logo]()
$257
This Kiwi.com deal was found by Cheapflights users on 8/24. 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 10/168:43 pm -
3 stops39h 12m
Deal found 8/24![Multiple Airlines logo]()
$259
This Kiwi.com deal was found by Cheapflights users on 8/24. 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.
Sun 9/2710:30 pm -
3 stops37h 25m
Deal found 8/24![Multiple Airlines logo]()
$268
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 August 26, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $373 (Kiwi.com) |
One-way from | $172 (Kiwi.com) |
Popular in | March |
Cheapest in | August |
Average price | $590 |
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 7,457,451 searches. Data last updated August 26, 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 Kansas City - YYZ Toronto Pearson Intl
MCIYYZ
Kansas City
Fri 11/13
9:36 am-10:55 pm
1 stop12h 19m
Toronto Pearson Intl
Sun 11/15
4:20 pm-8:56 am
1 stop17h 36m
$382
Kansas CityToronto
MCI Kansas City - YYZ Toronto Pearson Intl
MCIYYZ
Kansas City
Fri 9/25
7:44 am-2:59 pm
1 stop6h 15m
Toronto Pearson Intl
Wed 9/30
6:30 am-1:42 pm
1 stop8h 12m
$547
Kansas CityToronto
MCI Kansas City - YYZ Toronto Pearson Intl
MCIYYZ
Kansas City
Wed 11/25
7:05 am-4:15 pm
1 stop8h 10m
Toronto Pearson Intl
Sat 12/5
12:18 pm-7:12 pm
1 stop7h 54m
$548
Kansas CityMontreal
MCI Kansas City - YUL Montreal Pierre Elliott Trudeau Intl
MCIYUL
Kansas City
Tue 9/22
11:10 am-7:45 pm
1 stop7h 35m
Montreal Pierre Elliott Trudeau Intl
Sat 9/26
9:45 am-2:18 pm
1 stop5h 33m
$553
Kansas CityMontreal
MCI Kansas City - YUL Montreal Pierre Elliott Trudeau Intl
MCIYUL
Kansas City
Sat 10/17
6:00 am-2:40 pm
2 stops7h 40m
Montreal Pierre Elliott Trudeau Intl
Sat 10/24
6:00 am-4:23 pm
2 stops11h 23m
$568
Kansas CityToronto
MCI Kansas City - YYZ Toronto Pearson Intl
MCIYYZ
Kansas City
Fri 9/11
2:10 pm-10:59 pm
1 stop7h 49m
Toronto Pearson Intl
Tue 9/15
7:24 pm-11:00 pm
1 stop4h 36m
$569
Kansas CityMontreal
MCI Kansas City - YUL Montreal Pierre Elliott Trudeau Intl
MCIYUL
Kansas City
Mon 9/28
6:00 am-1:31 pm
1 stop6h 31m
Montreal Pierre Elliott Trudeau Intl
Wed 9/30
12:44 pm-9:19 pm
1 stop9h 35m
$581
Kansas CityMontreal
MCI Kansas City - YUL Montreal Pierre Elliott Trudeau Intl
MCIYUL
Kansas City
Thu 10/15
6:29 am-1:09 pm
1 stop5h 40m
Montreal Pierre Elliott Trudeau Intl
Sat 10/24
9:45 am-3:53 pm
1 stop7h 08m
$581
Kansas CityMontreal
MCI Kansas City - YUL Montreal Pierre Elliott Trudeau Intl
MCIYUL
Kansas City
Mon 11/2
11:27 am-9:42 pm
2 stops9h 15m
Montreal Pierre Elliott Trudeau Intl
Wed 11/4
9:15 am-5:25 pm
2 stops9h 10m
$596
Kansas CityToronto
MCI Kansas City - YTZ Toronto Island
MCIYTZ
Kansas City
Sat 10/24
5:46 pm-6:45 pm
1 stop23h 59m
Toronto Island
Wed 10/28
3:15 pm-2:37 pm
1 stop24h 22m
$604
Showing 1-10 of 52 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 $528 and $836 in October.The cheapest round-trip price found within the last 5 days was $373 on Multiple Airlines (Oct 9-Oct 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 August 26, 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
Entertainment
7.8
Crew
8.5
Comfort
7.8
Food
7.2
Overall
7.8
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Boarding
8.1
Entertainment
7.8
Crew
8.5
Comfort
7.8
Food
7.2
Overall
7.8
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Boarding
8.1
Entertainment
7.8
Crew
8.5
Comfort
7.8
Food
7.2
Overall
7.8
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Boarding
8.1
Entertainment
7.8
Crew
8.5
Comfort
7.8
Food
7.2
Overall
7.8
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Boarding
8.1
Entertainment
7.8
Crew
8.5
Comfort
7.8
Food
7.2
Overall
7.8
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
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
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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 August 26, 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 7,457,451 searches. Data last updated August 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$219 | Average$746 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$280 | Average$743 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$385 | Average$605 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$591 | Average$684 | FlexibilityNo cancel fee | On-time60% |