$60+ Cheap flights from Kansas City to Ontario (MCI - ONT)
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 4/25. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — ONT
Mar 13 — Mar 201
1 adult, Economy
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Find cheap flights from Kansas City to Ontario with Cheapflights
1. Tell us where you want to go
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 February 11, 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 February 11, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” 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 3/98:38 pm
MCI
- ONT
1 stop29h 21m
Multiple Airlines
Mon 3/163:30 pm
ONT
- MCI
1 stop23h 39m
Multiple Airlines
Deal found 2/7![Multiple Airlines logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 4/232:15 pm
MCI
- ONT
1 stop11h 40m
Frontier
Sat 4/2512:59 am
ONT
- MCI
1 stop10h 31m
Frontier
Deal found 2/10![Frontier logo]()
$167
This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 3/98:38 pm
MCI
- ONT
1 stop29h 21m
Multiple Airlines
Tue 3/172:23 pm
ONT
- MCI
1 stop24h 46m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$177
This Mytrip deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/44:39 pm
MCI
- ONT
1 stop6h 55m
Frontier
Mon 3/96:15 am
ONT
- MCI
1 stop11h 38m
Frontier
Deal found 2/9![Frontier logo]()
$179
This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 4/126:04 pm
MCI
- ONT
1 stop16h 00m
Multiple Airlines
Wed 4/152:44 pm
ONT
- MCI
1 stop6h 49m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$203
This Kiwi.com deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/152:15 pm
MCI
- ONT
2 stops22h 29m
Frontier
Sun 5/1712:59 am
ONT
- MCI
1 stop10h 31m
Frontier
Deal found 2/11![Frontier logo]()
$208
This Frontier deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/242:15 pm
MCI
- ONT
1 stop11h 40m
Frontier
Thu 4/3012:59 am
ONT
- MCI
1 stop10h 31m
Frontier
Deal found 2/10![Frontier logo]()
$211
This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 4/16:04 pm
MCI
- ONT
1 stop16h 00m
Multiple Airlines
Sat 4/46:20 am
ONT
- MCI
1 stop11h 38m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$212
This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 3/98:38 pm
MCI
- ONT
1 stop29h 21m
Frontier
Tue 3/176:15 am
ONT
- MCI
2 stops26h 43m
Frontier
Deal found 2/10![Frontier logo]()
$213
This Kiwi.com deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/256:04 pm
MCI
- ONT
1 stop15h 08m
Multiple Airlines
Mon 3/309:49 pm
ONT
- MCI
1 stop17h 20m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$215
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 February 11, 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 February 11, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 4/232:15 pm
MCI
- ONT
1 stop11h 40m
Frontier
Sat 4/2512:59 am
ONT
- MCI
1 stop10h 31m
Frontier
Deal found 2/10![Frontier logo]()
$167
This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 4/126:04 pm
MCI
- ONT
1 stop16h 00m
Multiple Airlines
Tue 4/1412:59 am
ONT
- MCI
2 stops20h 34m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$226
This Delta deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” 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 3/256:40 am
MCI
- ONT
1 stop7h 43m
Delta
Tue 3/315:09 pm
ONT
- MCI
1 stop5h 37m
Delta
Deal found 2/9![Delta logo]()
$257
This Alaska Airlines deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” 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 4/305:11 pm
MCI
- ONT
1 stop8h 37m
Alaska Airlines
Tue 5/57:00 am
ONT
- MCI
1 stop7h 17m
Alaska Airlines
Deal found 2/8![Alaska Airlines logo]()
$300
This Mytrip deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/28:33 pm
MCI
- ONT
1 stop27h 01m
Frontier
Sat 3/146:15 am
ONT
- MCI
1 stop11h 40m
Frontier
Deal found 2/10![Frontier logo]()
$220
This CheapOair deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/28:33 pm
MCI
- ONT
1 stop27h 01m
Frontier
Fri 3/66:15 am
ONT
- MCI
1 stop11h 40m
Frontier
Deal found 2/11![Frontier logo]()
$231
This Delta deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” 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 3/256:40 am
MCI
- ONT
1 stop7h 43m
Delta
Wed 4/15:09 pm
ONT
- MCI
1 stop5h 37m
Delta
Deal found 2/9![Delta logo]()
$257
This Kiwi.com deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” 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 2/237:00 am
MCI
- ONT
1 stop8h 11m
Multiple Airlines
Fri 2/279:43 pm
ONT
- MCI
2 stops20h 03m
Multiple Airlines
Deal found 2/8![Multiple Airlines logo]()
$271
This CheapOair deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/25:16 pm
MCI
- ONT
2 stops23h 52m
Alaska Airlines
Sat 3/74:02 pm
ONT
- MCI
1 stop18h 53m
Alaska Airlines
Deal found 2/8![Alaska Airlines logo]()
$305
This Frontier deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/151:44 pm
MCI
- ONT
1 stop12h 15m
Frontier
Wed 2/187:30 am
ONT
- MCI
1 stop6h 14m
Frontier
Deal found 2/9![Frontier logo]()
$286
This Mytrip deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/278:33 pm
MCI
- ONT
1 stop5h 26m
Frontier
Sun 3/16:10 am
ONT
- MCI
1 stop4h 49m
Frontier
Deal found 2/9![Frontier logo]()
$297
This Mytrip deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/11:44 pm
MCI
- ONT
1 stop12h 15m
Frontier
Thu 3/52:08 pm
ONT
- MCI
1 stop27h 47m
Frontier
Deal found 2/10![Frontier logo]()
$302
Last-minute flights from Kansas City to OntarioDiscover last-minute flight deals from Kansas City to Ontario. Data last updated February 11, 2026 and is based on user searches.
Discover last-minute flight deals from Kansas City to Ontario. Data last updated February 11, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/238:33 pm
MCI
- ONT
1 stop5h 26m
Frontier
Sun 3/16:10 am
ONT
- MCI
1 stop4h 49m
Frontier
Deal found 2/11![Frontier logo]()
$211
This Frontier deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/254:39 pm
MCI
- ONT
1 stop6h 55m
Frontier
Sun 3/16:10 am
ONT
- MCI
1 stop4h 49m
Frontier
Deal found 2/10![Frontier logo]()
$190
This Mytrip deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/288:41 pm
MCI
- ONT
1 stop13h 18m
Frontier
Thu 3/52:08 pm
ONT
- MCI
1 stop27h 47m
Frontier
Deal found 2/10![Frontier logo]()
$216
This CheapOair deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/28:33 pm
MCI
- ONT
1 stop27h 01m
Frontier
Sat 3/76:15 am
ONT
- MCI
1 stop11h 40m
Frontier
Deal found 2/9![Frontier logo]()
$210
This Mytrip deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/28:33 pm
MCI
- ONT
1 stop27h 01m
Frontier
Sun 3/156:15 am
ONT
- MCI
1 stop11h 40m
Frontier
Deal found 2/10![Frontier logo]()
$220
This Super.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/28:33 pm
MCI
- ONT
1 stop27h 01m
Frontier
Fri 3/66:15 am
ONT
- MCI
1 stop11h 40m
Frontier
Deal found 2/10![Frontier logo]()
$229
This Mytrip deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/44:39 pm
MCI
- ONT
1 stop6h 55m
Frontier
Mon 3/96:15 am
ONT
- MCI
1 stop11h 38m
Frontier
Deal found 2/9![Frontier logo]()
$179
This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 3/98:38 pm
MCI
- ONT
1 stop29h 21m
Multiple Airlines
Tue 3/172:23 pm
ONT
- MCI
1 stop24h 46m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$177
This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 3/98:38 pm
MCI
- ONT
1 stop29h 21m
Frontier
Tue 3/176:15 am
ONT
- MCI
2 stops26h 43m
Frontier
Deal found 2/10![Frontier logo]()
$213
This Frontier deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/98:38 pm
MCI
- ONT
1 stop5h 21m
Frontier
Fri 3/136:15 am
ONT
- MCI
1 stop11h 40m
Frontier
Deal found 2/11![Frontier logo]()
$234
This Kiwi.com deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/256:04 pm
MCI
- ONT
1 stop15h 08m
Multiple Airlines
Mon 3/309:49 pm
ONT
- MCI
1 stop17h 20m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$215
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 February 11, 2026.
Search for one-way flight options from Kansas City to Ontario. Find affordable one-way fares based on user searches. Data last updated February 11, 2026.
This Trip.com deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/252:51 pm
MCI
- ONT
1 stop11h 04m
Frontier
Deal found 2/9![Frontier logo]()
$60
This Mytrip deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/44:39 pm
MCI
- ONT
1 stop6h 55m
Frontier
Deal found 2/8![Frontier logo]()
$64
This Trip.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/112:15 pm
MCI
- ONT
1 stop11h 40m
Frontier
Deal found 2/10![Frontier logo]()
$79
This Trip.com deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/72:15 pm
MCI
- ONT
1 stop11h 40m
Frontier
Deal found 2/9![Frontier logo]()
$80
This Trip.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/82:15 pm
MCI
- ONT
1 stop11h 40m
Frontier
Deal found 2/10![Frontier logo]()
$81
This Trip.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/37:00 am
MCI
- ONT
1 stop8h 11m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$84
This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 4/232:15 pm
MCI
- ONT
1 stop11h 40m
Frontier
Deal found 2/10![Frontier logo]()
$86
This Trip.com deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/16:04 pm
MCI
- ONT
1 stop16h 00m
Multiple Airlines
Deal found 2/8![Multiple Airlines logo]()
$88
This Mytrip deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/78:43 pm
MCI
- ONT
1 stop5h 13m
Frontier
Deal found 2/8![Frontier logo]()
$95
This Trip.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/57:00 am
MCI
- ONT
1 stop13h 27m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$96
This Trip.com deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/272:15 pm
MCI
- ONT
1 stop11h 40m
Frontier
Deal found 2/8![Frontier logo]()
$98
This Super.com deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/254:39 pm
MCI
- ONT
1 stop18h 55m
Frontier
Deal found 2/9![Frontier logo]()
$99
Find flight deals from Kansas City to Ontario
Discover tips and strategies to find the most affordable flight options for your journey from Kansas City (MCI) to Ontario (ONT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $163 (Kiwi.com) |
One-way from | $60 (Trip.com) |
Popular in | December |
Cheapest in | October |
Average price | $406 |
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 February 11, 2026.
Use the filters below to find and compare flights from Kansas City to Ontario that are best for you.
Fly from
Kansas City
Fly to
Ontario
Route
Depart
Return
Price
Kansas CityOntario
MCI - ONT
MCIONT
Kansas City
Thu 4/23
2:15 pm-11:55 pm
1 stop11h 40m
Ontario
Sat 4/25
12:59 am-1:30 pm
1 stop10h 31m
$167
Kansas CityOntario
MCI - ONT
MCIONT
Kansas City
Mon 3/2
8:33 pm-9:34 pm
1 stop27h 01m
Ontario
Sat 3/14
6:15 am-7:55 pm
1 stop11h 40m
$220
Kansas CityOntario
MCI - ONT
MCIONT
Kansas City
Sun 4/12
6:04 pm-8:04 am
1 stop16h 00m
Ontario
Tue 4/14
12:59 am-11:33 pm
2 stops20h 34m
$226
Kansas CityOntario
MCI - ONT
MCIONT
Kansas City
Mon 3/2
8:33 pm-9:34 pm
1 stop27h 01m
Ontario
Fri 3/6
6:15 am-7:55 pm
1 stop11h 40m
$231
Kansas CityOntario
MCI - ONT
MCIONT
Kansas City
Wed 3/25
6:40 am-12:23 pm
1 stop7h 43m
Ontario
Tue 3/31
5:09 pm-12:46 am
1 stop5h 37m
$257
Kansas CityOntario
MCI - ONT
MCIONT
Kansas City
Wed 3/25
6:40 am-12:23 pm
1 stop7h 43m
Ontario
Wed 4/1
5:09 pm-12:46 am
1 stop5h 37m
$257
Kansas CityOntario
MCI - ONT
MCIONT
Kansas City
Mon 2/23
7:00 am-1:11 pm
1 stop8h 11m
Ontario
Fri 2/27
9:43 pm-7:46 pm
2 stops20h 03m
$271
Kansas CityOntario
MCI - ONT
MCIONT
Kansas City
Sun 2/15
1:44 pm-11:59 pm
1 stop12h 15m
Ontario
Wed 2/18
7:30 am-3:44 pm
1 stop6h 14m
$286
Kansas CityOntario
MCI - ONT
MCIONT
Kansas City
Fri 2/27
8:33 pm-11:59 pm
1 stop5h 26m
Ontario
Sun 3/1
6:10 am-12:59 pm
1 stop4h 49m
$297
Kansas CityOntario
MCI - ONT
MCIONT
Kansas City
Thu 4/30
5:11 pm-11:48 pm
1 stop8h 37m
Ontario
Tue 5/5
7:00 am-4:17 pm
1 stop7h 17m
$300
Showing 1-10 of 22 results
Compare providers for flights from Kansas City to Ontario
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Kansas City to Ontario in February.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Kansas City-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Kansas City-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Kansas City-Ontario flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Kansas City-Ontario flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Kansas City-Ontario flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
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-ONT
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Kansas City to Ontario
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What’s the top layover airport for flights from Kansas City to Ontario?
Share of 1-stop round-trip flights from Kansas City to Ontario chosen by Cheapflights users in the past 12 months, using the same layover each way.
Denver (DEN) – chosen by Cheapflights users on 67% of 1-stop itineraries from Kansas City to Ontario on Cheapflights.
What’s the cheapest layover airport for flights from Kansas City to Ontario?
Average round-trip fare for 1-stop flights from Kansas City to Ontario, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Denver (DEN) is the most affordable 1-stop option, with an average round-trip price of $163.
What’s the fastest layover option from Kansas City to Ontario?
Shortest average travel time for 1-stop one-way flights from Kansas City to Ontario, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Phoenix (PHX) have the shortest average one-way travel time for 1-stop routes: 4h 55m.
Which airport typically offers the quickest layover for flights from Kansas City to Ontario?
Average layover duration for 1-stop one-way flights from Kansas City to Ontario, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Phoenix (PHX) offer the fastest connection on this route, with an average layover time of 1h 03m.
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 February 11, 2026.
Peruse reviews from past customers who have flown with Southwest, United Airlines, and American Airlines from Kansas City to Ontario to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Overall
8.0
Entertainment
7.5
Crew
8.6
Comfort
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Boarding
8.1
Overall
8.0
Entertainment
7.5
Crew
8.6
Comfort
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Boarding
8.1
Overall
8.0
Entertainment
7.5
Crew
8.6
Comfort
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Boarding
8.1
Overall
8.0
Entertainment
7.5
Crew
8.6
Comfort
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Boarding
8.1
Overall
8.0
Entertainment
7.5
Crew
8.6
Comfort
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
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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Other flights to Ontario
Explore flights to Ontario departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on February 11, 2026.
Kansas City and Ontario flights
Browse other Kansas City and Ontario flight options. Last updated on February 11, 2026.
Popular flight searches
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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 February 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$142 | Average$240 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$253 | Average$410 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$284 | Average$406 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$289 | Average$389 | FlexibilityNo cancel fee | On-time63% |