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$73+ 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 10/18. Fares are subject to change and may not be available on all flights or dates of travel.
ICT — ONT
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheap flight deals from Kansas to Ontario

Keep the following information in mind while searching for Kansas to Ontario flight deals. Data was last updated September 17, 2025.

Round-trip from

$143
(Priceline)

One-way from

$73
(Trip.com)

Popular in

October

Cheapest in

June

Average price

$499
From Kansas to Ontario
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One-way flight from Kansas to Ontario
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Highest demand for flights based on searches. 28% potential increase in price ($165 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($23 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 September 17, 2025.

This Priceline deal was found by Cheapflights users on 9/15. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/157:02 pmMCI - ONT
1 stop6h 48mFrontier
Wed 10/226:53 amONT - MCI
1 stop9h 02mFrontier
Deal found 9/15$143
This Booking.com deal was found by Cheapflights users on 9/15. 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.
Fri 10/33:01 pmMCI - ONT
1 stop6h 53mFrontier
Fri 10/1011:53 amONT - MCI
1 stop28h 02mFrontier
Deal found 9/15$144
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 11/178:28 pmMCI - ONT
1 stop26h 59mFrontier
Thu 12/114:02 pmONT - MCI
1 stop25h 30mFrontier
Deal found 9/16$174
This Booking.com deal was found by Cheapflights users on 9/16. 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.
Thu 10/308:28 pmMCI - ONT
1 stop5h 22mFrontier
Mon 11/36:53 amONT - MCI
1 stop10h 40mFrontier
Deal found 9/16$175
This Gotogate deal was found by Cheapflights users on 9/15. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/248:38 pmMCI - ONT
1 stop5h 12mFrontier
Mon 10/276:53 amONT - MCI
1 stop11h 00mFrontier
Deal found 9/15$179
This Booking.com deal was found by Cheapflights users on 9/15. 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.
Fri 10/178:38 pmMCI - ONT
1 stop5h 12mFrontier
Fri 10/2411:53 amONT - MCI
1 stop28h 02mFrontier
Deal found 9/15$180
This Booking.com deal was found by Cheapflights users on 9/15. 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.
Fri 9/263:01 pmMCI - ONT
1 stop6h 53mFrontier
Sat 10/48:59 pmONT - MCI
1 stop14h 49mFrontier
Deal found 9/15$184
This Frontier deal was found by Cheapflights users on 9/14. 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 10/157:02 pmMCI - ONT
1 stop6h 48mFrontier
Sun 10/1910:40 pmONT - MCI
2 stops19h 13mFrontier
Deal found 9/14$189
This Frontier deal was found by Cheapflights users on 9/15. 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 10/108:38 pmMCI - ONT
1 stop5h 12mFrontier
Wed 10/156:53 amONT - MCI
1 stop9h 02mFrontier
Deal found 9/15$193
This Frontier deal was found by Cheapflights users on 9/15. 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 11/138:28 pmMCI - ONT
1 stop5h 22mFrontier
Mon 11/176:53 amONT - MCI
1 stop10h 40mFrontier
Deal found 9/15$196
This Booking.com deal was found by Cheapflights users on 9/16. 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.
Mon 10/138:38 pmMCI - ONT
1 stop5h 12mFrontier
Mon 10/206:53 amONT - MCI
1 stop11h 00mFrontier
Deal found 9/16$202
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 10/1010:47 pmTUL - ONT
1 stop15h 50mMultiple Airlines
Sun 10/126:53 amONT - TUL
1 stop9h 30mMultiple Airlines
Deal found 9/15$226

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 September 17, 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

Thu 10/23

8:38 pm-11:50 pm

1 stop5h 12m

Ontario

Mon 10/27

6:53 am-7:53 pm

1 stop11h 00m

$144

Kansas CityOntario

MCI - ONT

MCIONT

Kansas City

Fri 10/3

3:01 pm-7:54 pm

1 stop6h 53m

Ontario

Wed 10/8

6:53 am-5:55 pm

1 stop9h 02m

$144

Kansas CityOntario

MCI - ONT

MCIONT

Kansas City

Sat 10/11

7:02 pm-11:50 pm

1 stop6h 48m

Ontario

Sat 11/8

12:05 pm-7:33 pm

1 stop5h 28m

$144

Kansas CityOntario

MCI - ONT

MCIONT

Kansas City

Thu 11/13

8:28 pm-11:50 pm

1 stop5h 22m

Ontario

Mon 11/17

6:53 am-7:33 pm

1 stop10h 40m

$196

Kansas CityOntario

MCI - ONT

MCIONT

Kansas City

Thu 10/23

8:38 pm-11:50 pm

1 stop5h 12m

Ontario

Sun 10/26

6:53 am-7:53 pm

1 stop11h 00m

$234

WichitaOntario

ICT - ONT

ICTONT

Wichita Eisenhower National

Wed 10/15

6:00 am-3:24 pm

1 stop11h 24m

Ontario

Wed 10/22

10:09 am-11:56 pm

1 stop11h 47m

$243

Kansas CityOntario

MCI - ONT

MCIONT

Kansas City

Thu 11/13

7:00 am-3:17 pm

1 stop10h 17m

Ontario

Tue 11/18

7:20 am-3:54 pm

1 stop6h 34m

$250

Kansas CityOntario

MCI - ONT

MCIONT

Kansas City

Mon 11/17

2:57 pm-8:53 pm

1 stop7h 56m

Ontario

Tue 11/18

7:20 am-3:54 pm

1 stop6h 34m

$250

Kansas CityOntario

MCI - ONT

MCIONT

Kansas City

Thu 10/30

11:29 am-11:50 pm

2 stops14h 21m

Ontario

Mon 11/3

6:53 am-7:33 pm

1 stop10h 40m

$255

TulsaOntario

TUL - ONT

TULONT

Tulsa

Tue 10/28

8:15 am-12:16 pm

1 stop6h 01m

Ontario

Wed 10/29

1:15 pm-8:52 pm

1 stop5h 37m

$257

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

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, August is the cheapest month in which you can book a flight from Kansas to Ontario (average of $246). Flying from Kansas to Ontario in March 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 September 17, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Kansas to Ontario as you normally would.

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 5h 12m. Fly via Frontier, American Airlines, or Delta to get the fastest option. The distance from Kansas to Ontario is about 1314 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Kansas to Ontario one-way?

    One-way options have recently been found by users for as low as $118 on Alaska Airlines. Other airlines that offer cheap prices include Hawaiian Airlines from $118 and Delta from $129 one-way.

  • 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, August is the cheapest month in which you can book a flight from Kansas to Ontario (average of $246). Flying from Kansas to Ontario in March 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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$288Average$446FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$306Average$402FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$311Average$387FlexibilityNo cancel feeOn-time69%

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