HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ontario

$105+ Cheap flights from Kansas to Ontario (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 9/22. Fares are subject to change and may not be available on all flights or dates of travel.
ICT — ONT
Jul 9 — Jul 161
Thu 7/9
Thu 7/16
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Kansas 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 to Ontario

Cheapest flights from Kansas to Ontario
Explore the most affordable flight options available from Kansas to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 9, 2026.

This Kiwi.com deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” 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 9/92:17 pm
MCI
-
ONT
1 stop11h 38m
Frontier
Tue 9/222:55 pm
ONT
-
MCI
1 stop20h 27m
Frontier
Deal found 6/6$220
This Frontier deal was found by Cheapflights users on 6/8. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/241:50 pm
MCI
-
ONT
1 stop7h 58m
Frontier
Wed 8/266:00 am
ONT
-
MCI
1 stop5h 00m
Frontier
Deal found 6/8$242
This Expedia deal was found by Cheapflights users on 6/7. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/81:45 pm
MCI
-
ONT
1 stop22h 19m
Frontier
Sat 7/186:00 am
ONT
-
MCI
1 stop5h 00m
Frontier
Deal found 6/7$244
This Frontier deal was found by Cheapflights users on 6/5. 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.
Wed 10/72:17 pm
MCI
-
ONT
1 stop11h 38m
Frontier
Sat 10/106:00 am
ONT
-
MCI
1 stop5h 22m
Frontier
Deal found 6/5$253
This CheapOair deal was found by Cheapflights users on 6/8. 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.
Wed 8/191:45 pm
MCI
-
ONT
1 stop12h 04m
Frontier
Thu 8/2711:43 am
ONT
-
MCI
1 stop23h 12m
Frontier
Deal found 6/8$254
This Booking.com deal was found by Cheapflights users on 6/4. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/11:45 pm
MCI
-
ONT
1 stop22h 20m
Frontier
Sat 7/411:58 am
ONT
-
MCI
1 stop25h 49m
Frontier
Deal found 6/4$255
This Booking.com deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/151:45 pm
MCI
-
ONT
1 stop22h 19m
Frontier
Sat 8/226:00 am
ONT
-
MCI
1 stop5h 00m
Frontier
Deal found 6/6$256
This Frontier deal was found by Cheapflights users on 6/7. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/141:45 pm
MCI
-
ONT
1 stop12h 05m
Frontier
Tue 7/216:00 am
ONT
-
MCI
1 stop5h 00m
Frontier
Deal found 6/7$257
This Booking.com deal was found by Cheapflights users on 6/8. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/11:45 pm
MCI
-
ONT
1 stop22h 20m
Frontier
Wed 7/83:40 pm
ONT
-
MCI
1 stop22h 07m
Frontier
Deal found 6/8$259
This Trip.com deal was found by Cheapflights users on 6/4. 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.
Wed 8/51:45 pm
MCI
-
ONT
1 stop12h 05m
Frontier
Sun 8/94:34 pm
ONT
-
MCI
1 stop21h 13m
Frontier
Deal found 6/4$260
This Trip.com deal was found by Cheapflights users on 6/7. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/201:50 pm
MCI
-
ONT
1 stop7h 58m
Frontier
Tue 8/256:00 am
ONT
-
MCI
1 stop5h 00m
Frontier
Deal found 6/7$265
This American Airlines deal was found by Cheapflights users on 6/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/215:00 am
TUL
-
ONT
1 stop6h 29m
American Airlines
Wed 8/2612:33 pm
ONT
-
TUL
1 stop7h 30m
American Airlines
Deal found 6/9$308

Find flight deals from Kansas to Ontario

Keep the following information in mind while searching for Kansas to Ontario flight deals. Data was last updated June 9, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$220
(Kiwi.com)

One-way from

$105
(Trip.com)

Popular in

May

Cheapest in

July

Average price

$495
Provider with most accurate pricing for Wichita Eisenhower National-Los Angeles flight deals.
Search Deals
Provider most trusted by Cheapflights users for Wichita Eisenhower National-Los Angeles flights.
Search Deals
From Kansas to Ontario
Search Deals
One-way flight from Kansas to Ontario
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($75 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Kansas 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 June 9, 2026.
Use the filters below to find and compare flights from Kansas to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Kansas CityOntario

MCI - ONT

MCIONT

Kansas City

Wed 7/22

1:45 pm-10:04 am

1 stop22h 19m

Ontario

Tue 7/28

6:00 am-1:00 pm

1 stop5h 00m

$272

Kansas CityOntario

MCI - ONT

MCIONT

Kansas City

Wed 8/19

1:45 pm-10:05 am

1 stop22h 20m

Ontario

Mon 8/31

6:00 am-1:00 pm

1 stop5h 00m

$279

TulsaOntario

TUL - ONT

TULONT

Tulsa

Thu 10/15

7:00 am-3:20 pm

1 stop10h 20m

Ontario

Wed 10/21

1:55 pm-9:35 pm

1 stop5h 40m

$324

WichitaOntario

ICT - ONT

ICTONT

Wichita Eisenhower National

Wed 8/5

4:06 pm-11:34 pm

2 stops9h 28m

Ontario

Sun 8/16

10:00 pm-10:26 am

1 stop10h 26m

$372

TulsaOntario

TUL - ONT

TULONT

Tulsa

Wed 8/26

6:00 am-12:12 pm

2 stops8h 12m

Ontario

Sat 8/29

5:00 am-12:59 pm

1 stop5h 59m

$373

Kansas CityOntario

MCI - ONT

MCIONT

Kansas City

Sat 7/4

6:00 am-12:12 pm

2 stops8h 12m

Ontario

Sat 7/11

1:50 pm-10:31 pm

1 stop6h 41m

$397

TulsaOntario

TUL - ONT

TULONT

Tulsa

Sat 10/31

11:45 am-8:20 pm

2 stops10h 35m

Ontario

Sat 11/7

5:00 am-12:47 pm

1 stop5h 47m

$398

Kansas CityOntario

MCI - ONT

MCIONT

Kansas City

Mon 8/24

1:02 pm-10:59 pm

2 stops11h 57m

Ontario

Wed 8/26

5:00 am-12:37 pm

1 stop5h 37m

$426

WichitaOntario

ICT - ONT

ICTONT

Wichita Eisenhower National

Mon 7/20

6:25 am-9:05 am

1 stop4h 40m

Ontario

Fri 7/24

5:50 am-1:50 pm

1 stop6h 00m

$447

Kansas CityOntario

MCI - ONT

MCIONT

Kansas City

Fri 9/4

6:20 am-9:20 am

1 stop5h 00m

Ontario

Tue 9/8

8:35 am-5:25 pm

2 stops6h 50m

$452

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/6

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

Best time to book a flight from Kansas to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Kansas with our price prediction graph.
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 to Ontario

What is the cheapest month to book a flight from Kansas to Ontario?

Currently, January is the cheapest month in which you can book a flight from Kansas to Ontario (average of $215). Flying from Kansas to Ontario in May is currently the most expensive (average of $852). 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 to Ontario?

Related info for your journey

Find useful and relevant information for your journey from Kansas to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Ontario from Kansas?

    Most people fly into Ontario (ONT) if they book a flight to Ontario from Kansas. Ontario is conveniently located just 3.1 mi from Ontario’s city center.

  • How long is the flight from Kansas to Ontario?

    There are many flights that can get you from Kansas to Ontario in 9h 28m. Fly via Frontier, Southwest, or Delta to get the fastest option. The distance from Kansas to Ontario is about 1153 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the most popular routes from Kansas to Ontario?

    Most travelers choose Kansas City - Ontario, Tulsa - Ontario or Wichita Eisenhower National - Ontario when deciding on the best route from Kansas to Ontario.

  • Can I find deals for flights from Kansas to Ontario that include hotel bookings?

    Yes. In addition to deals on Kansas to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Kansas to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kansas to Ontario.

  • Can I find deals for business class flights from Kansas to Ontario?

    Yes. Cheapflights offers flight deals from Kansas to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Kansas to Ontario?

    Currently, January is the cheapest month in which you can book a flight from Kansas to Ontario (average of $215). Flying from Kansas to Ontario in May is currently the most expensive (average of $852). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Kansas to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
Newark to San Francisco flights
John F Kennedy Intl to San Francisco flights
LaGuardia to San Francisco flights
Newark to Los Angeles flights
John F Kennedy Intl to Los Angeles flights
Dallas/Fort Worth to Las Vegas flights
Seattle to Las Vegas flights
Dallas/Fort Worth to Los Angeles flights
Seattle to Los Angeles flights
Newark to Las Vegas flights
O'Hare Intl to Las Vegas flights
Hobby to Las Vegas flights
San Francisco to Las Vegas flights
John F Kennedy Intl to Las Vegas flights
Atlanta to Las Vegas flights
Los Angeles to Las Vegas flights
O'Hare Intl to Los Angeles flights
LaGuardia to Los Angeles flights
Seattle to Ontario flights
Dulles Intl to Las Vegas flights
Seattle to San Francisco flights
George Bush Intcntl to Las Vegas flights
Hobby to Los Angeles flights
Dallas/Fort Worth to San Francisco flights
San Francisco to Ontario flights
Reagan-National to Los Angeles flights
Baltimore to Los Angeles flights
Newark to San Jose flights
Dulles Intl to Los Angeles flights
Detroit to Las Vegas flights
Atlanta to Los Angeles flights
LaGuardia to Las Vegas flights
Ontario to San Francisco flights
John F Kennedy Intl to Ontario flights
San Francisco to Los Angeles flights
John F Kennedy Intl to San Jose flights
San Francisco to San Diego flights
John F Kennedy Intl to Oakland flights
Seattle to San Diego flights
Los Angeles to San Francisco flights
Boston to Las Vegas flights
O'Hare Intl to San Francisco flights
Dallas/Fort Worth to Ontario flights
George Bush Intcntl to Los Angeles flights
Orlando to Las Vegas flights
Baltimore to Las Vegas flights
John F Kennedy Intl to San Diego flights
Reagan-National to Las Vegas flights
Dulles Intl to San Francisco flights
Denver to Las Vegas flights

Top 3 airlines flying from Kansas to Ontario

Discover the top 3 airlines that operate flights from Kansas 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 June 9, 2026.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$271Average$446FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$284Average$406FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$357Average$494FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.