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Ontario

$118+ 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 5/2. Fares are subject to change and may not be available on all flights or dates of travel.
ICT — ONT
Apr 6 — Apr 131
Sun 4/6
Sun 4/13
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 April 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$239
(American Airlines)

One-way from

$118
(Cheapflightsfares)

Popular in

October

Cheapest in

July

Average price

$377
Provider with most accurate pricing for Wichita Eisenhower National-Los Angeles flight deals.
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Provider most trusted by Cheapflights users for Wichita Eisenhower National-Los Angeles flights.
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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. 20% potential increase in price ($114 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 1, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 3/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/218:35 pmMCI - ONT
1 stop5h 24mFrontier
Sat 4/2612:10 pmONT - MCI
1 stop5h 40mFrontier
Deal found 3/30$236
This American Airlines deal was found by Cheapflights users on 4/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/136:33 pmICT - ONT
1 stop7h 10mAmerican Airlines
Tue 5/2711:59 pmONT - ICT
1 stop7h 40mAmerican Airlines
Deal found 4/1$239
This American Airlines deal was found by Cheapflights users on 4/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/297:18 amMCI - ONT
1 stop8h 31mAmerican Airlines
Tue 5/611:59 pmONT - MCI
1 stop6h 57mAmerican Airlines
Deal found 4/1$255
This Delta deal was found by Cheapflights users on 4/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/297:00 amMCI - ONT
1 stop7h 16mDelta
Wed 4/305:15 pmONT - MCI
1 stop4h 59mDelta
Deal found 4/1$257
This United Airlines deal was found by Cheapflights users on 4/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1312:00 pmICT - ONT
2 stops10h 34mUnited Airlines
Tue 5/271:36 pmONT - ICT
2 stops7h 38mUnited Airlines
Deal found 4/1$273
This American Airlines deal was found by Cheapflights users on 4/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/15:00 amTUL - ONT
1 stop7h 04mAmerican Airlines
Mon 8/412:59 amONT - TUL
1 stop5h 37mAmerican Airlines
Deal found 4/1$292
This United Airlines deal was found by Cheapflights users on 4/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/16:00 amTUL - ONT
2 stops8h 14mUnited Airlines
Tue 8/56:00 amONT - TUL
1 stop5h 52mUnited Airlines
Deal found 4/1$297
This Delta deal was found by Cheapflights users on 4/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/16:24 pmTUL - ONT
1 stop7h 17mDelta
Sat 5/312:07 pmONT - TUL
1 stop7h 52mDelta
Deal found 4/1$318
This Alaska Airlines deal was found by Cheapflights users on 4/1. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/84:55 pmMCI - ONT
1 stop9h 04mAlaska Airlines
Wed 9/177:10 amONT - MCI
1 stop6h 51mAlaska Airlines
Deal found 4/1$334
This Delta deal was found by Cheapflights users on 3/31. 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.
Sat 4/191:56 pmICT - ONT
1 stop7h 32mDelta
Sun 4/2712:07 pmONT - ICT
1 stop8h 58mDelta
Deal found 3/31$338
This United Airlines deal was found by Cheapflights users on 3/31. 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.
Tue 7/19:15 amMCI - ONT
2 stops10h 28mUnited Airlines
Tue 7/81:34 pmONT - MCI
1 stop5h 09mUnited Airlines
Deal found 3/31$342
This Hawaiian Airlines deal was found by Cheapflights users on 3/31. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/63:34 pmMCI - ONT
1 stop10h 39mHawaiian Airlines
Wed 8/132:21 pmONT - MCI
1 stop7h 14mHawaiian Airlines
Deal found 3/31$375

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 April 1, 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 4/21

8:35 pm-11:59 pm

1 stop5h 24m

Ontario

Sat 4/26

12:10 pm-7:50 pm

1 stop5h 40m

$236

WichitaOntario

ICT - ONT

ICTONT

Wichita Eisenhower National

Tue 5/13

6:33 pm-11:43 pm

1 stop7h 10m

Ontario

Tue 5/27

11:59 pm-9:39 am

1 stop7h 40m

$239

Kansas CityOntario

MCI - ONT

MCIONT

Kansas City

Tue 4/29

7:18 am-1:49 pm

1 stop8h 31m

Ontario

Tue 5/6

11:59 pm-8:56 am

1 stop6h 57m

$255

Kansas CityOntario

MCI - ONT

MCIONT

Kansas City

Tue 4/29

7:00 am-12:16 pm

1 stop7h 16m

Ontario

Wed 4/30

5:15 pm-12:14 am

1 stop4h 59m

$257

WichitaOntario

ICT - ONT

ICTONT

Wichita Eisenhower National

Tue 5/13

12:00 pm-8:34 pm

2 stops10h 34m

Ontario

Tue 5/27

1:36 pm-11:14 pm

2 stops7h 38m

$273

TulsaOntario

TUL - ONT

TULONT

Tulsa

Tue 4/29

1:00 pm-7:28 pm

1 stop8h 28m

Ontario

Tue 5/6

5:15 pm-12:17 am

1 stop5h 02m

$285

TulsaOntario

TUL - ONT

TULONT

Tulsa

Tue 4/29

10:15 am-3:59 pm

2 stops7h 44m

Ontario

Tue 5/6

6:01 am-3:58 pm

2 stops7h 57m

$295

TulsaOntario

TUL - ONT

TULONT

Tulsa

Thu 5/1

6:00 am-12:24 pm

2 stops8h 24m

Ontario

Sat 5/3

4:15 pm-11:18 pm

1 stop5h 03m

$323

WichitaOntario

ICT - ONT

ICTONT

Wichita Eisenhower National

Sat 4/19

1:56 pm-7:28 pm

1 stop7h 32m

Ontario

Sun 4/27

12:07 pm-11:05 pm

1 stop8h 58m

$338

Kansas CityOntario

MCI - ONT

MCIONT

Kansas City

Tue 4/29

7:00 am-8:29 pm

1 stop15h 29m

Ontario

Thu 5/1

11:46 am-11:59 pm

1 stop10h 13m

$369

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/1

Showing 1-10 of 28 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 April 1, 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 April 1, 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
9,820 reviews

Crew

8.5

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot
Alaska Airlines
8.0
Very good
9,820 reviews
Alaska Airlines
8.0
Very good
9,820 reviews

Crew

8.5

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot
Southwest
8.0
Very good
4,277 reviews
Alaska Airlines
8.0
Very good
9,820 reviews

Crew

8.5

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot
Delta
8.0
Very good
7,898 reviews
Alaska Airlines
8.0
Very good
9,820 reviews

Crew

8.5

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot
Hawaiian Airlines
7.9
Good
2,345 reviews
Alaska Airlines
8.0
Very good
9,820 reviews

Crew

8.5

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot
United Airlines
7.4
Good
8,615 reviews
Alaska Airlines
8.0
Very good
9,820 reviews

Crew

8.5

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot

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 $118 on Frontier. Other airlines that offer cheap prices include American Airlines from $128 and United Airlines from $173 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 April 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$296Average$446FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$306Average$386FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$311Average$419FlexibilityNo cancel feeOn-time69%

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