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$61+ 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 2/18. Fares are subject to change and may not be available on all flights or dates of travel.
ICT — ONT
Jan 22 — Jan 291
Thu 1/22
Thu 1/29
1 adult, Economy
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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 December 23, 2025.

This Frontier deal was found by Cheapflights users on 12/21. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/258:14 pmTUL - ONT
1 stop5h 45mFrontier
Thu 1/16:45 amONT - TUL
1 stop10h 34mFrontier
Deal found 12/21$258
This Frontier deal was found by Cheapflights users on 12/21. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/318:45 pmMCI - ONT
1 stop5h 14mFrontier
Sat 1/36:45 amONT - MCI
1 stop11h 06mFrontier
Deal found 12/21$282
This Frontier deal was found by Cheapflights users on 12/22. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/268:45 pmMCI - ONT
1 stop5h 14mFrontier
Wed 12/316:45 amONT - MCI
1 stop11h 05mFrontier
Deal found 12/22$312
This Expedia deal was found by Cheapflights users on 12/21. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/318:45 pmMCI - ONT
1 stop5h 14mFrontier
Fri 1/26:45 amONT - MCI
1 stop11h 05mFrontier
Deal found 12/21$342
This Frontier deal was found by Cheapflights users on 12/22. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/248:45 pmMCI - ONT
1 stop5h 14mFrontier
Wed 12/316:45 amONT - MCI
1 stop11h 05mFrontier
Deal found 12/22$362
This Frontier deal was found by Cheapflights users on 12/22. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/268:45 pmMCI - ONT
1 stop5h 14mFrontier
Mon 1/56:45 amONT - MCI
1 stop11h 05mFrontier
Deal found 12/22$363
This Frontier deal was found by Cheapflights users on 12/22. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/248:45 pmMCI - ONT
1 stop5h 14mFrontier
Mon 1/56:45 amONT - MCI
1 stop11h 05mFrontier
Deal found 12/22$413
This Trip.com deal was found by Cheapflights users on 12/21. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/268:45 pmMCI - ONT
1 stop5h 14mMultiple Airlines
Tue 12/306:00 amONT - MCI
1 stop6h 52mMultiple Airlines
Deal found 12/21$421
This Frontier deal was found by Cheapflights users on 12/22. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/258:14 pmTUL - ONT
1 stop5h 45mFrontier
Sun 12/286:45 amONT - TUL
1 stop10h 34mFrontier
Deal found 12/22$442
This Travelocity deal was found by Cheapflights users on 12/22. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/268:45 pmMCI - ONT
1 stop5h 14mFrontier
Sat 1/36:45 amONT - MCI
1 stop11h 06mFrontier
Deal found 12/22$442
This Frontier deal was found by Cheapflights users on 12/23. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/268:45 pmMCI - ONT
1 stop5h 14mFrontier
Sun 12/286:45 amONT - MCI
1 stop11h 06mFrontier
Deal found 12/23$462
This Frontier deal was found by Cheapflights users on 12/22. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/268:45 pmMCI - ONT
1 stop5h 14mFrontier
Sun 1/46:45 amONT - MCI
1 stop11h 06mFrontier
Deal found 12/22$472

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 December 23, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$129
(Booking.com)

One-way from

$61
(Trip.com)

Popular in

December

Cheapest in

June

Average price

$631
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. 25% potential increase in price ($120 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($25 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 23, 2025.
Use the filters below to find and compare flights from Kansas to Ontario that are best for you.

Fly from

Kansas

Fly to

Ontario

Route

Depart

Return

Price

Kansas CityOntario

MCI - ONT

MCIONT

Kansas City

Mon 1/12

8:26 pm-11:56 pm

1 stop5h 30m

Ontario

Thu 1/15

6:10 am-7:48 pm

1 stop11h 38m

$182

Kansas CityOntario

MCI - ONT

MCIONT

Kansas City

Thu 2/5

8:43 pm-12:20 am

1 stop5h 37m

Ontario

Mon 2/9

6:20 am-7:51 pm

1 stop11h 31m

$182

Kansas CityOntario

MCI - ONT

MCIONT

Kansas City

Sat 4/11

8:46 pm-11:59 pm

1 stop5h 13m

Ontario

Mon 4/13

6:00 am-7:51 pm

1 stop11h 51m

$182

Kansas CityOntario

MCI - ONT

MCIONT

Kansas City

Mon 1/19

8:27 pm-11:59 pm

1 stop5h 32m

Ontario

Mon 1/26

6:20 am-7:51 pm

1 stop11h 31m

$209

Kansas CityOntario

MCI - ONT

MCIONT

Kansas City

Thu 2/19

8:28 pm-11:59 pm

1 stop5h 31m

Ontario

Sun 2/22

6:10 am-12:59 pm

1 stop4h 49m

$217

Kansas CityOntario

MCI - ONT

MCIONT

Kansas City

Mon 1/5

8:45 pm-10:12 pm

1 stop27h 27m

Ontario

Fri 1/9

6:00 am-7:46 pm

1 stop11h 46m

$231

Kansas CityOntario

MCI - ONT

MCIONT

Kansas City

Thu 1/15

8:33 pm-7:37 am

2 stops13h 04m

Ontario

Thu 1/22

3:22 pm-11:33 pm

1 stop6h 11m

$233

Kansas CityOntario

MCI - ONT

MCIONT

Kansas City

Sat 4/11

8:46 pm-11:59 pm

1 stop5h 13m

Ontario

Sun 4/12

6:00 am-7:51 pm

1 stop11h 51m

$237

Kansas CityOntario

MCI - ONT

MCIONT

Kansas City

Wed 1/21

2:45 pm-3:08 pm

1 stop26h 23m

Ontario

Wed 1/28

4:03 pm-1:50 pm

1 stop19h 47m

$267

Kansas CityOntario

MCI - ONT

MCIONT

Kansas City

Sun 4/12

8:46 pm-11:59 pm

1 stop5h 13m

Ontario

Mon 4/13

6:00 am-7:51 pm

1 stop11h 51m

$267

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/22

Showing 1-10 of 60 results
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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, July is the cheapest month in which you can book a flight from Kansas to Ontario (average of $66). Flying from Kansas to Ontario in December is currently the most expensive (average of $327). 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.

What is the cheapest time of day to fly from KS to ONT?

Find hourly flight availability from Kansas to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 23, 2025.

It’s typically best to fly out from Kansas to Ontario in the evening. Doing so could potentially save you 28% on the flight price compared to flying at noon, which is usually more expensive.

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 5h 27m. Fly via Frontier, American Airlines, or United Airlines 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, July is the cheapest month in which you can book a flight from Kansas to Ontario (average of $66). Flying from Kansas to Ontario in December is currently the most expensive (average of $327). 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

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Alternative routes for Kansas to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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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 December 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$265Average$411FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$284Average$378FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$298Average$402FlexibilityNo cancel feeOn-time63%

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