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$63+ 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 2/25. Fares are subject to change and may not be available on all flights or dates of travel.
ICT — ONT
Dec 3 — Dec 101
Wed 12/3
Wed 12/10
1 adult, Economy
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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 November 3, 2025.

This Frontier deal was found by Cheapflights users on 11/1. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/158:28 pmMCI - ONT
1 stop5h 22mFrontier
Sun 11/166:53 amONT - MCI
1 stop10h 40mFrontier
Deal found 11/1$138
This Booking.com deal was found by Cheapflights users on 11/2. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/52:48 pmMCI - ONT
1 stop25h 37mFrontier
Thu 12/1112:04 pmONT - MCI
1 stop5h 10mFrontier
Deal found 11/2$143
This Mytrip deal was found by Cheapflights users on 11/3. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/48:09 pmMCI - ONT
1 stop20h 16mFrontier
Sun 12/74:01 pmONT - MCI
1 stop25h 49mFrontier
Deal found 11/3$146
This Trip.com deal was found by Cheapflights users on 11/1. 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 12/48:09 pmMCI - ONT
1 stop20h 16mMultiple Airlines
Wed 12/106:15 amONT - MCI
1 stop12h 29mMultiple Airlines
Deal found 11/1$174
This Frontier deal was found by Cheapflights users on 11/1. 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 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
Tue 11/188:45 amONT - MCI
1 stop6h 34mFrontier
Deal found 11/1$176
This Frontier deal was found by Cheapflights users on 11/2. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/137:37 pmTUL - ONT
1 stop6h 13mFrontier
Sun 11/166:53 amONT - TUL
1 stop10h 36mFrontier
Deal found 11/2$184
This Frontier deal was found by Cheapflights users on 11/1. 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 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
Sun 11/166:53 amONT - MCI
1 stop10h 40mFrontier
Deal found 11/1$184
This Mytrip deal was found by Cheapflights users on 11/2. 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 Mytrip 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
Sun 11/2312:58 amONT - MCI
1 stop16h 35mFrontier
Deal found 11/2$208
This Frontier deal was found by Cheapflights users on 11/2. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/148:28 pmMCI - ONT
1 stop5h 22mFrontier
Tue 11/188:45 amONT - MCI
1 stop6h 34mFrontier
Deal found 11/2$211
This Frontier deal was found by Cheapflights users on 11/2. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/88:28 pmMCI - ONT
1 stop5h 22mFrontier
Sun 11/166:53 amONT - MCI
1 stop10h 40mFrontier
Deal found 11/2$214
This Trip.com deal was found by Cheapflights users on 11/1. 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.
Fri 11/2812:58 pmMCI - ONT
1 stop10h 08mMultiple Airlines
Fri 12/56:15 amONT - MCI
1 stop6h 37mMultiple Airlines
Deal found 11/1$218
This Delta deal was found by Cheapflights users on 11/3. 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 12/54:28 pmTUL - ONT
1 stop8h 36mDelta
Mon 12/810:25 pmONT - TUL
1 stop8h 59mDelta
Deal found 11/3$326

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 November 3, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$134
(Frontier)

One-way from

$63
(Trip.com)

Popular in

December

Cheapest in

June

Average price

$543
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. 31% potential increase in price ($180 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($33 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 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 November 3, 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

Sun 2/1

8:46 pm-11:59 pm

1 stop5h 13m

Ontario

Sun 2/8

6:00 am-7:51 pm

1 stop11h 51m

$142

Kansas CityOntario

MCI - ONT

MCIONT

Kansas City

Mon 11/17

8:28 pm-9:27 pm

1 stop26h 59m

Ontario

Sun 11/23

12:58 am-7:33 pm

1 stop16h 35m

$208

Kansas CityOntario

MCI - ONT

MCIONT

Kansas City

Mon 11/10

8:28 pm-11:50 pm

1 stop5h 22m

Ontario

Tue 11/11

8:45 am-5:19 pm

1 stop6h 34m

$252

Kansas CityOntario

MCI - ONT

MCIONT

Kansas City

Sun 11/16

8:28 pm-11:50 pm

1 stop5h 22m

Ontario

Sun 11/23

7:06 pm-7:33 pm

1 stop22h 27m

$256

Kansas CityOntario

MCI - ONT

MCIONT

Kansas City

Thu 11/20

12:58 pm-9:06 pm

1 stop10h 08m

Ontario

Tue 12/2

12:30 pm-6:36 pm

2 stops28h 06m

$280

Kansas CityOntario

MCI - ONT

MCIONT

Kansas City

Fri 11/21

8:28 pm-4:57 pm

2 stops22h 29m

Ontario

Mon 12/1

5:06 pm-8:03 pm

1 stop24h 57m

$287

Kansas CityOntario

MCI - ONT

MCIONT

Kansas City

Sat 12/20

7:00 am-11:13 pm

1 stop18h 13m

Ontario

Mon 12/29

6:00 pm-7:50 pm

2 stops23h 50m

$297

JoplinOntario

JLN - ONT

JLNONT

Joplin

Fri 1/9

8:52 am-8:58 pm

2 stops14h 06m

Ontario

Tue 1/13

1:24 pm-11:30 pm

1 stop8h 06m

$299

TulsaOntario

TUL - ONT

TULONT

Tulsa

Thu 2/12

8:46 pm-11:59 pm

1 stop5h 13m

Ontario

Thu 2/19

6:00 am-7:44 pm

1 stop11h 44m

$302

Kansas CityOntario

MCI - ONT

MCIONT

Kansas City

Wed 11/26

8:28 pm-11:11 am

1 stop16h 43m

Ontario

Mon 12/1

5:06 pm-8:03 pm

1 stop24h 57m

$304

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/1

Showing 1-10 of 58 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 $342). 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 November 3, 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 13m. Fly via Frontier, United Airlines, or Southwest 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 $69 on Frontier. Other airlines that offer cheap prices include Delta from $130 and American Airlines from $135 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, 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 $342). 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 November 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$288Average$446FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$298Average$402FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$311Average$410FlexibilityNo cancel feeOn-time69%

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