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$101+ Cheap flights from Ontario to Kansas City (ONT - MCI)

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 4/25. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — MCI
Apr 1 — Apr 81
Tue 4/1
Tue 4/8
1 adult, Economy
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Cheapflights Tip: The best prices from Ontario to Kansas City are usually found in April or September, booked 87 days in advance, depart on a Friday or Saturday and return on a Wednesday

Cheap flight deals from Ontario to Kansas City

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Kansas City (MCI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 27, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$260
(CheapOair)

One-way from

$101
(Trip.com)

Popular in

February

Cheapest in

April

Average price

$385
Provider with most accurate pricing for Ontario-Kansas City flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ontario-Kansas City flights.
Search Deals
From Ontario to Kansas City
Search Deals
One-way flight from Ontario to Kansas City
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($20 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find flight deals from Ontario to Kansas City

Cheapest flights from Ontario to Kansas City
Explore the most affordable flight options available from Ontario to Kansas City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 27, 2025.

This Mytrip deal was found by Cheapflights users on 3/26. 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.
Sun 4/612:59 amONT - MCI
1 stop16h 38mFrontier
Fri 4/118:35 pmMCI - ONT
1 stop23h 22mFrontier
Deal found 3/26$266
This Alaska Airlines deal was found by Cheapflights users on 3/25. 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.
Wed 4/1611:33 amONT - MCI
1 stop10h 26mAlaska Airlines
Wed 4/233:59 pmMCI - ONT
1 stop9h 59mAlaska Airlines
Deal found 3/25$334
This Delta deal was found by Cheapflights users on 3/25. 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 5/810:01 amONT - MCI
1 stop5h 08mDelta
Wed 5/146:45 amMCI - ONT
1 stop7h 30mDelta
Deal found 3/25$335
This American Airlines deal was found by Cheapflights users on 3/26. 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 4/1612:50 pmONT - MCI
2 stops7h 14mAmerican Airlines
Wed 4/239:36 amMCI - ONT
1 stop6h 13mAmerican Airlines
Deal found 3/26$340
This United Airlines deal was found by Cheapflights users on 3/25. 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 7/81:34 pmONT - MCI
1 stop7h 57mUnited Airlines
Tue 7/226:00 amMCI - ONT
2 stops8h 14mUnited Airlines
Deal found 3/25$342
This Southwest deal was found by Cheapflights users on 3/25. 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.
Mon 4/282:55 pmONT - MCI
1 stop7h 35mSouthwest
Thu 5/12:00 pmMCI - ONT
2 stops9h 10mSouthwest
Deal found 3/25$380
This Hawaiian Airlines deal was found by Cheapflights users on 3/26. 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.
Fri 9/57:10 amONT - MCI
1 stop6h 51mHawaiian Airlines
Mon 9/84:55 pmMCI - ONT
1 stop9h 04mHawaiian Airlines
Deal found 3/26$406
This Travelocity deal was found by Cheapflights users on 3/25. 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.
Tue 4/17:00 amONT - MCI
1 stop9h 48mMultiple Airlines
Fri 4/48:35 pmMCI - ONT
1 stop5h 24mMultiple Airlines
Deal found 3/25$423

Cheapflights Fare Finder

Customize your flight search to find flights from Ontario to Kansas City 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 March 27, 2025.
Use the filters below to find and compare flights from Ontario to Kansas City that are best for you.

Fly from

Ontario

Fly to

Kansas City

Route

Depart

Return

Price

OntarioKansas City

ONT - MCI

ONTMCI

Ontario

Wed 4/16

3:17 pm-11:14 am

1 stop17h 57m

Kansas City

Sun 4/20

8:35 pm-9:22 am

1 stop14h 47m

$260

OntarioKansas City

ONT - MCI

ONTMCI

Ontario

Wed 4/16

11:33 am-11:59 pm

1 stop10h 26m

Kansas City

Wed 4/23

3:59 pm-11:58 pm

1 stop9h 59m

$334

OntarioKansas City

ONT - MCI

ONTMCI

Ontario

Thu 5/8

10:01 am-5:09 pm

1 stop5h 08m

Kansas City

Tue 5/13

6:05 pm-11:42 pm

1 stop7h 37m

$335

OntarioKansas City

ONT - MCI

ONTMCI

Ontario

Wed 4/16

12:50 pm-10:04 pm

2 stops7h 14m

Kansas City

Wed 4/23

9:36 am-1:49 pm

1 stop6h 13m

$340

OntarioKansas City

ONT - MCI

ONTMCI

Ontario

Thu 5/1

6:08 am-2:02 pm

1 stop5h 54m

Kansas City

Sun 5/4

6:00 am-12:24 pm

2 stops8h 24m

$376

OntarioKansas City

ONT - MCI

ONTMCI

Ontario

Mon 4/28

2:55 pm-12:30 am

1 stop7h 35m

Kansas City

Thu 5/1

2:00 pm-9:10 pm

2 stops9h 10m

$380

OntarioKansas City

ONT - MCI

ONTMCI

Ontario

Fri 9/5

7:10 am-4:01 pm

1 stop6h 51m

Kansas City

Mon 9/8

4:55 pm-11:59 pm

1 stop9h 04m

$406

OntarioKansas City

ONT - MCI

ONTMCI

Ontario

Fri 4/25

12:59 am-7:50 pm

1 stop16h 51m

$101

OntarioKansas City

ONT - MCI

ONTMCI

Ontario

Wed 5/7

11:46 am-11:59 pm

1 stop10h 13m

$167

OntarioKansas City

ONT - MCI

ONTMCI

Ontario

Wed 8/20

7:10 am-4:01 pm

1 stop6h 51m

$168

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

Showing 1-10 of 13 results
1
2

Compare providers for flights from Ontario to Kansas City

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Kansas City in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Ontario-Kansas City flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Kansas City flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Kansas City flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-Kansas City flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Kansas City flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Ontario to Kansas City

Have a flexible travel schedule? Discover the best time to fly to Kansas City from Ontario 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 Ontario to Kansas City

How far ahead should I book a flight from Ontario to Kansas City?

Use this chart to determine the optimal time to book a round-trip flight from Ontario to Kansas City. Price data was last updated on March 21, 2025.

Booking 86 days in advance of your planned departure date is, on average, the best time to get cheap flights from Ontario to Kansas City. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Ontario to Kansas City?

Currently, January is the cheapest month in which you can book a flight from Ontario to Kansas City (average of $298). Flying from Ontario to Kansas City in June is currently the most expensive (average of $352). 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 ONT to MCI?

Find hourly flight availability from Ontario to Kansas City. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 27, 2025.

It’s optimal to fly from Ontario to Kansas City in the evening. By choosing this option you can save up to 40% on the cost of your flight, compared to a flight in the morning.

What is the cheapest day to fly from Ontario to Kansas City?

Use this chart to determine the cheapest time to fly round-trip from Ontario to Kansas City. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Ontario to Kansas City flight should consider departing on Wednesday evenings when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Kansas City by month

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

In terms of precipitation, rainfall in Kansas City ranges from 1.1 - 5.2 inches per month. May is typically the wettest month, when rainfall can reach 5.2 in. January is typically the driest time to visit Kansas City when rainfall is around 1.1 in.

Temperature in Kansas City by month

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

If weather is an important factor for your trip to Kansas City, use this chart to help with planning. For those seeking warmer temperatures, July 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 January, when temperatures are typically at their lowest (around 28.4 F).

Reviews of airlines servicing Kansas City

Get insights into the airlines that provide service to Kansas City. 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 Kansas City. Reviews last updated March 27, 2025.
To help decide which airline to fly from Ontario to Kansas City, see what other customers have to say about Southwest, Alaska Airlines and Delta. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,273 reviews

Entertainment

7.6

Food

7.1

Overall

8.1

Boarding

8.2

Comfort

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Southwest
8.1
Very good
4,273 reviews
Southwest
8.1
Very good
4,273 reviews

Entertainment

7.6

Food

7.1

Overall

8.1

Boarding

8.2

Comfort

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Alaska Airlines
8.0
Very good
9,792 reviews
Southwest
8.1
Very good
4,273 reviews

Entertainment

7.6

Food

7.1

Overall

8.1

Boarding

8.2

Comfort

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Delta
8.0
Very good
7,895 reviews
Southwest
8.1
Very good
4,273 reviews

Entertainment

7.6

Food

7.1

Overall

8.1

Boarding

8.2

Comfort

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Hawaiian Airlines
7.9
Good
2,334 reviews
Southwest
8.1
Very good
4,273 reviews

Entertainment

7.6

Food

7.1

Overall

8.1

Boarding

8.2

Comfort

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
United Airlines
7.4
Good
8,603 reviews
Southwest
8.1
Very good
4,273 reviews

Entertainment

7.6

Food

7.1

Overall

8.1

Boarding

8.2

Comfort

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Kansas City. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Ontario to Kansas City round-trip?

    Our cheapest airline available from Ontario to Kansas City is Frontier. Our recent data shows that you can find tickets from as low as $260 on this airline. Additional options worth looking into are Alaska Airlines and Delta, starting at $334 and $335 round-trip. Frontier is priced at 31% lower than the current average price of a flight leaving 3 months from now.

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

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $101. Alaska Airlines flights start at $167 while deals on Hawaiian Airlines start at $168 one-way.

  • Can I find deals for flights from Ontario to Kansas City that include hotel bookings?

    Yes. In addition to deals on Ontario to Kansas City flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Kansas City?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Kansas City.

  • Can I find deals for business class flights from Ontario to Kansas City?

    Yes. Cheapflights offers flight deals from Ontario to Kansas City 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 Ontario to Kansas City?

    Currently, January is the cheapest month in which you can book a flight from Ontario to Kansas City (average of $298). Flying from Ontario to Kansas City in June is currently the most expensive (average of $352). 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

Traveling to a place near Ontario?

Book flights to Ontario if you plan to visit one of these locations
Shawnee
Olathe
Overland Park
Liberty
Lenexa
Kansas City
North Kansas City
Lawrence
Belton

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Top 6 airlines flying from Ontario to Kansas City

Discover the top 6 airlines that operate flights from Ontario to Kansas City. 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 March 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$83Average$176FlexibilityNo cancel feeOn-time65%
FrontierCheapest$132Average$224FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$266Average$421FlexibilityNo cancel feeOn-time69%
DeltaCheapest$277Average$351FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$277Average$415FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$317Average$413FlexibilityNo cancel feeOn-time63%
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