$67+ 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 10/20. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — ONT
Sep 4 — Sep 111
Round-trip
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Kansas City to Ontario
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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 5, 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 5, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 9/148:32 pm -
1 stop15h 58m
Tue 10/272:35 pm -
1 stop20h 47m
Deal found 7/31![Frontier logo]()
$153
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 9/168:32 pm -
1 stop15h 58m
Tue 10/272:35 pm -
1 stop20h 47m
Deal found 7/31![Frontier logo]()
$180
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 9/1810:30 pm -
2 stops27h 17m
Tue 10/272:35 pm -
1 stop20h 47m
Deal found 7/31![Frontier logo]()
$201
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/158:32 pm -
1 stop15h 58m
Tue 10/272:35 pm -
1 stop20h 47m
Deal found 7/31![Frontier logo]()
$204
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 9/148:32 pm -
1 stop15h 58m
Wed 10/284:27 pm -
2 stops18h 55m
Deal found 7/31![Frontier logo]()
$209
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 9/148:32 pm -
1 stop15h 58m
Mon 10/268:54 pm -
2 stops14h 28m
Deal found 7/31![Frontier logo]()
$215
This flugladen.de deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/51:38 pm -
1 stop12h 12m
Fri 9/116:15 am -
1 stop11h 22m
Deal found 8/4![Frontier logo]()
$222
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 9/168:32 pm -
1 stop15h 58m
Wed 10/284:27 pm -
2 stops18h 55m
Deal found 7/31![Frontier logo]()
$236
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 9/148:32 pm -
1 stop15h 58m
Fri 10/306:15 am -
1 stop5h 07m
Deal found 7/31![Frontier logo]()
$238
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 5, 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 5, 2026.
This Frontier deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” 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 10/58:32 pm -
1 stop5h 15m
Wed 10/76:15 am -
1 stop11h 22m
Deal found 8/4![Frontier logo]()
$269
This Southwest deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/234:30 pm -
2 stops6h 30m
Wed 9/307:45 am -
2 stops6h 45m
Deal found 8/3![Southwest logo]()
$403
This Delta deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/197:00 am -
1 stop7h 14m
Sun 10/255:03 pm -
1 stop5h 14m
Deal found 8/1![Delta logo]()
$435
This Alaska Airlines deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” 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.
Tue 8/186:02 am -
1 stop9h 07m
Sat 8/2212:00 pm -
1 stop9h 59m
Deal found 8/3![Alaska Airlines logo]()
$435
This United Airlines deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” 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 8/193:29 pm -
1 stop6h 32m
Sat 8/2211:00 am -
2 stops10h 30m
Deal found 8/1![United Airlines logo]()
$466
This Frontier deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” 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.
Sat 9/51:38 pm -
1 stop12h 12m
Fri 9/112:30 pm -
1 stop5h 15m
Deal found 8/5![Frontier logo]()
$273
This Alaska Airlines deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 9/171:34 pm -
1 stop7h 29m
Sun 10/252:13 pm -
1 stop7h 46m
Deal found 7/31![Alaska Airlines logo]()
$450
This Delta deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” 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 12/257:40 pm -
1 stop6h 08m
Sat 1/25:05 pm -
1 stop5h 16m
Deal found 8/3![Delta logo]()
$465
This United Airlines deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” 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 9/911:22 am -
2 stops11h 31m
Sat 9/121:18 pm -
1 stop5h 21m
Deal found 8/2![United Airlines logo]()
$488
This Delta deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 9/205:44 am -
1 stop7h 25m
Sun 10/255:03 pm -
1 stop5h 14m
Deal found 7/31![Delta logo]()
$477
This Alaska Airlines deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” 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.
Tue 8/185:50 pm -
1 stop8h 03m
Fri 8/2112:00 pm -
1 stop9h 59m
Deal found 8/4![Alaska Airlines logo]()
$484
Last-minute flights from Kansas City to OntarioDiscover last-minute flight deals from Kansas City to Ontario. Data last updated August 5, 2026 and is based on user searches.
Discover last-minute flight deals from Kansas City to Ontario. Data last updated August 5, 2026 and is based on user searches.
This flugladen.de deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/51:38 pm -
1 stop12h 12m
Fri 9/116:15 am -
1 stop11h 22m
Deal found 8/4![Frontier logo]()
$222
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 9/148:32 pm -
1 stop15h 58m
Tue 10/272:35 pm -
1 stop20h 47m
Deal found 7/31![Frontier logo]()
$153
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 9/148:32 pm -
1 stop15h 58m
Wed 10/284:27 pm -
2 stops18h 55m
Deal found 7/31![Frontier logo]()
$209
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 9/148:32 pm -
1 stop15h 58m
Mon 10/268:54 pm -
2 stops14h 28m
Deal found 7/31![Frontier logo]()
$215
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 9/148:32 pm -
1 stop15h 58m
Fri 10/306:15 am -
1 stop5h 07m
Deal found 7/31![Frontier logo]()
$238
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/158:32 pm -
1 stop15h 58m
Tue 10/272:35 pm -
1 stop20h 47m
Deal found 7/31![Frontier logo]()
$204
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 9/168:32 pm -
1 stop15h 58m
Tue 10/272:35 pm -
1 stop20h 47m
Deal found 7/31![Frontier logo]()
$180
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 9/168:32 pm -
1 stop15h 58m
Wed 10/284:27 pm -
2 stops18h 55m
Deal found 7/31![Frontier logo]()
$236
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 9/1810:30 pm -
2 stops27h 17m
Tue 10/272:35 pm -
1 stop20h 47m
Deal found 7/31![Frontier logo]()
$201
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 5, 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 5, 2026.
This Trip.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 10/202:17 pm -
1 stop11h 38m
Deal found 7/31![Frontier logo]()
$67
This Trip.com deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” 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 9/218:32 pm -
1 stop15h 58m
Deal found 8/1![Frontier logo]()
$77
This Trip.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 10/28:32 pm -
1 stop15h 58m
Deal found 7/31![Frontier logo]()
$78
This Trip.com deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” 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 9/51:38 pm -
1 stop12h 12m
Deal found 8/2![Frontier logo]()
$79
This Trip.com deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” 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.
Sun 10/252:17 pm -
1 stop22h 26m
Deal found 8/1![Frontier logo]()
$80
This Trip.com deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” 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 10/132:17 pm -
1 stop11h 38m
Deal found 8/1![Frontier logo]()
$89
This Trip.com deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” 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 9/108:32 pm -
1 stop15h 58m
Deal found 8/4![Frontier logo]()
$90
This Trip.com deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” 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.
Sun 9/61:38 pm -
1 stop12h 12m
Deal found 8/1![Frontier logo]()
$96
This Trip.com deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” 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 11/52:17 pm -
1 stop11h 38m
Deal found 8/1![Frontier logo]()
$101
This Trip.com deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” 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 10/142:17 pm -
1 stop11h 38m
Deal found 8/1![Frontier logo]()
$104
This Trip.com deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” 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 12/78:36 pm -
1 stop21h 15m
Deal found 8/2![Frontier logo]()
$105
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 August 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $153 (Kiwi.com) |
One-way from | $67 (Trip.com) |
Popular in | May |
Cheapest in | September |
Average price | $376 |
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 August 5, 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 CityOntario
MCI - ONT
MCIONT
Kansas City
Mon 10/5
8:32 pm-11:47 pm
1 stop5h 15m
Ontario
Wed 10/7
6:15 am-7:37 pm
1 stop11h 22m
$269
Kansas CityOntario
MCI - ONT
MCIONT
Kansas City
Sat 9/5
1:38 pm-11:50 pm
1 stop12h 12m
Ontario
Fri 9/11
2:30 pm-9:45 pm
1 stop5h 15m
$273
Kansas CityOntario
MCI - ONT
MCIONT
Kansas City
Wed 9/23
4:30 pm-9:00 pm
2 stops6h 30m
Ontario
Wed 9/30
7:45 am-4:30 pm
2 stops6h 45m
$403
Kansas CityOntario
MCI - ONT
MCIONT
Kansas City
Sat 9/19
7:00 am-12:14 pm
1 stop7h 14m
Ontario
Sun 10/25
5:03 pm-12:17 am
1 stop5h 14m
$435
Kansas CityOntario
MCI - ONT
MCIONT
Kansas City
Tue 8/18
6:02 am-1:09 pm
1 stop9h 07m
Ontario
Sat 8/22
12:00 pm-11:59 pm
1 stop9h 59m
$435
Kansas CityOntario
MCI - ONT
MCIONT
Kansas City
Thu 9/17
1:34 pm-7:03 pm
1 stop7h 29m
Ontario
Sun 10/25
2:13 pm-11:59 pm
1 stop7h 46m
$450
Quickest round-trip
Kansas CityOntario
MCI - ONT
MCIONT
Kansas City
Fri 12/25
7:40 pm-11:48 pm
1 stop6h 08m
Ontario
Sat 1/2
5:05 pm-12:21 am
1 stop5h 16m
$465
Kansas CityOntario
MCI - ONT
MCIONT
Kansas City
Wed 8/19
3:29 pm-8:01 pm
1 stop6h 32m
Ontario
Sat 8/22
11:00 am-11:30 pm
2 stops10h 30m
$466
Kansas CityOntario
MCI - ONT
MCIONT
Kansas City
Sun 9/20
5:44 am-11:09 am
1 stop7h 25m
Ontario
Sun 10/25
5:03 pm-12:17 am
1 stop5h 14m
$477
Kansas CityOntario
MCI - ONT
MCIONT
Kansas City
Tue 8/18
5:50 pm-11:53 pm
1 stop8h 03m
Ontario
Fri 8/21
12:00 pm-11:59 pm
1 stop9h 59m
$484
Showing 1-10 of 20 resultsSorted by cheapest first
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 August.
| 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 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
What is the cheapest month to book a flight from Kansas City to Ontario?
Currently, September is the cheapest month in which you can book a flight from Kansas City to Ontario (average of $318). Flying from Kansas City to Ontario in May is currently the most expensive (average of $497). 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 Ontario?
Airfare is below average for this route at the moment.
Kansas City to Ontario flights typically cost between $284 and $469 in September.The cheapest round-trip price found within the last 5 days was $153 on Frontier (Sep 14-Oct 27).
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 5, 2026.
Peruse reviews from past customers who have flown with Southwest,United Airlines, andAmerican 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
Comfort
8.0
Entertainment
7.5
Overall
8.0
Food
7.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Overall
8.0
Food
7.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Overall
8.0
Food
7.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Overall
8.0
Food
7.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Overall
8.0
Food
7.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
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
See prices for flight routes from nearby airports that may be better suited for you.
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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.
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 August 5, 2026.
Kansas City and Ontario flights
Browse other Kansas City and Ontario flight options. Last updated on August 5, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 4 airlines flying from Kansas City to Ontario
Discover the top 4 airlines that operate flights from Kansas City to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$125 | Average$292 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$248 | Average$438 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$253 | Average$360 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$269 | Average$422 | FlexibilityNo cancel fee | On-time63% |