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$100+ 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 6/23. Fares are subject to change and may not be available on all flights or dates of travel.
ICT — ONT
Jun 21 — Jun 281
Sat 6/21
Sat 6/28
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 June 16, 2025.

Round-trip from

$210
(CheapOair)

One-way from

$100
(Frontier)

Popular in

October

Cheapest in

June

Average price

$223
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. 24% potential increase in price ($137 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($21 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 16, 2025.

This CheapOair deal was found by Cheapflights users on 6/14. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/278:01 pmMCI - ONT
1 stop5h 49mFrontier
Sun 6/2912:59 amONT - MCI
1 stop16h 07mFrontier
Deal found 6/14$210
This Delta deal was found by Cheapflights users on 6/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/184:25 pmTUL - ONT
1 stop7h 55mDelta
Sat 8/309:50 amONT - TUL
1 stop5h 39mDelta
Deal found 6/16$267
This American Airlines deal was found by Cheapflights users on 6/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1810:15 amTUL - ONT
1 stop7h 51mAmerican Airlines
Sat 8/3012:22 pmONT - TUL
2 stops7h 48mAmerican Airlines
Deal found 6/16$284
This Delta deal was found by Cheapflights users on 6/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/56:40 amMCI - ONT
1 stop7h 34mDelta
Sat 8/91:15 pmONT - MCI
1 stop5h 50mDelta
Deal found 6/16$289
This American Airlines deal was found by Cheapflights users on 6/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/294:12 pmICT - ONT
1 stop7h 48mAmerican Airlines
Mon 11/1011:59 pmONT - ICT
1 stop6h 46mAmerican Airlines
Deal found 6/16$289
This United Airlines deal was found by Cheapflights users on 6/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/75:15 pmMCI - ONT
1 stop5h 39mUnited Airlines
Tue 8/121:19 pmONT - MCI
2 stops8h 12mUnited Airlines
Deal found 6/14$294
This Southwest deal was found by Cheapflights users on 6/14. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/74:55 pmMCI - ONT
2 stops7h 50mSouthwest
Tue 8/125:25 amONT - MCI
2 stops7h 30mSouthwest
Deal found 6/14$299
This United Airlines deal was found by Cheapflights users on 6/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/309:15 amICT - ONT
2 stops10h 19mUnited Airlines
Mon 11/101:00 pmONT - ICT
1 stop5h 23mUnited Airlines
Deal found 6/16$313
This Southwest deal was found by Cheapflights users on 6/15. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/317:45 pmTUL - ONT
1 stop5h 25mSouthwest
Wed 8/62:45 pmONT - TUL
1 stop4h 35mSouthwest
Deal found 6/15$327
This American Airlines deal was found by Cheapflights users on 6/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/192:49 pmMCI - ONT
2 stops8h 49mAmerican Airlines
Mon 8/411:59 pmONT - MCI
1 stop6h 58mAmerican Airlines
Deal found 6/16$335
This Alaska Airlines deal was found by Cheapflights users on 6/16. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/53:34 pmMCI - ONT
1 stop10h 39mAlaska Airlines
Thu 8/712:00 pmONT - MCI
1 stop9h 35mAlaska Airlines
Deal found 6/16$338
This United Airlines deal was found by Cheapflights users on 6/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1011:51 amTUL - ONT
1 stop7h 38mUnited Airlines
Mon 9/156:04 amONT - TUL
1 stop8h 10mUnited Airlines
Deal found 6/14$347

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 16, 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

Fri 6/27

8:01 pm-11:50 pm

1 stop5h 49m

Ontario

Thu 7/3

12:59 am-7:06 pm

1 stop16h 07m

$210

TulsaOntario

TUL - ONT

TULONT

Tulsa

Mon 8/18

4:25 pm-10:20 pm

1 stop7h 55m

Ontario

Sat 8/30

9:50 am-5:29 pm

1 stop5h 39m

$267

TulsaOntario

TUL - ONT

TULONT

Tulsa

Mon 8/18

10:15 am-4:06 pm

1 stop7h 51m

Ontario

Sat 8/30

12:22 pm-10:10 pm

2 stops7h 48m

$284

Kansas CityOntario

MCI - ONT

MCIONT

Kansas City

Tue 8/12

6:45 am-1:26 pm

1 stop8h 41m

Ontario

Fri 8/15

2:21 pm-11:35 pm

1 stop7h 14m

$288

Kansas CityOntario

MCI - ONT

MCIONT

Kansas City

Tue 8/5

6:40 am-12:14 pm

1 stop7h 34m

Ontario

Sat 8/9

1:15 pm-9:05 pm

1 stop5h 50m

$289

WichitaOntario

ICT - ONT

ICTONT

Wichita Eisenhower National

Wed 10/29

4:12 pm-10:00 pm

1 stop7h 48m

Ontario

Mon 11/10

11:59 pm-8:45 am

1 stop6h 46m

$289

Kansas CityOntario

MCI - ONT

MCIONT

Kansas City

Thu 8/7

5:15 pm-8:54 pm

1 stop5h 39m

Ontario

Tue 8/12

1:19 pm-11:31 pm

2 stops8h 12m

$294

Kansas CityOntario

MCI - ONT

MCIONT

Kansas City

Thu 8/7

4:55 pm-10:45 pm

2 stops7h 50m

Ontario

Tue 8/12

5:25 am-2:55 pm

2 stops7h 30m

$299

WichitaOntario

ICT - ONT

ICTONT

Wichita Eisenhower National

Thu 10/30

9:15 am-5:34 pm

2 stops10h 19m

Ontario

Mon 11/10

1:00 pm-8:23 pm

1 stop5h 23m

$313

TulsaOntario

TUL - ONT

TULONT

Tulsa

Thu 7/31

7:45 pm-11:10 pm

1 stop5h 25m

Ontario

Wed 8/6

2:45 pm-9:20 pm

1 stop4h 35m

$327

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/14

Showing 1-10 of 35 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 $328). 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 June 16, 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.

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

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 June 16, 2025.
See what other customers who have flown with Alaska Airlines, Southwest and Delta from Kansas to Ontario have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,278 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,963 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.8
Good
2,501 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,801 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

  • 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 $100 on Frontier. Other airlines that offer cheap prices include Hawaiian Airlines from $144 and United Airlines from $174 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 $328). 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 June 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$296Average$392FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$306Average$384FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$311Average$410FlexibilityNo cancel feeOn-time69%

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