HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Kansas City

$60+ 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 4/2. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — MCI
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ontario to Kansas City with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$111
(Frontier)

One-way from

$60
(Mytrip)

Popular in

July

Cheapest in

April

Average price

$421
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. 11% potential increase in price ($48 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2025
Search Deals

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 February 20, 2025.

This Frontier deal was found by Cheapflights users on 2/19. 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 4/212:59 amONT - MCI
1 stop8h 19mFrontier
Thu 4/1012:34 pmMCI - ONT
1 stop22h 48mFrontier
Deal found 2/19$111
This Delta deal was found by Cheapflights users on 2/19. 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 4/55:40 amONT - MCI
1 stop9h 22mDelta
Thu 4/176:40 amMCI - ONT
1 stop18h 02mDelta
Deal found 2/19$263
This Orbitz deal was found by Cheapflights users on 2/19. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/76:55 amONT - MCI
2 stops15h 04mMultiple Airlines
Fri 4/118:35 pmMCI - ONT
1 stop5h 24mMultiple Airlines
Deal found 2/19$292
This Alaska Airlines deal was found by Cheapflights users on 2/19. 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 3/266:00 amONT - MCI
1 stop15h 59mAlaska Airlines
Sun 3/307:00 amMCI - ONT
1 stop29h 39mAlaska Airlines
Deal found 2/19$312
This American Airlines deal was found by Cheapflights users on 2/19. 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 4/14:30 pmONT - MCI
1 stop5h 51mAmerican Airlines
Mon 4/77:41 pmMCI - ONT
1 stop6h 09mAmerican Airlines
Deal found 2/19$328
This Southwest deal was found by Cheapflights users on 2/19. 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 4/36:30 amONT - MCI
1 stop5h 35mSouthwest
Thu 4/1010:20 amMCI - ONT
2 stops10h 15mSouthwest
Deal found 2/19$354
This United Airlines deal was found by Cheapflights users on 2/19. 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.
Sat 3/295:05 amONT - MCI
1 stop5h 49mUnited Airlines
Wed 4/24:35 pmMCI - ONT
1 stop7h 23mUnited Airlines
Deal found 2/19$404

Find flights from Ontario to Kansas City within your budget

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 February 20, 2025.

Fly from

Ontario

Fly to

Kansas City

Route

Depart

Return

Price

OntarioKansas City

ONT - MCI

ONTMCI

Ontario

Wed 4/2

12:59 am-11:18 am

1 stop8h 19m

Kansas City

Thu 4/10

12:34 pm-9:22 am

1 stop22h 48m

$111

OntarioKansas City

ONT - MCI

ONTMCI

Ontario

Sat 4/5

5:40 am-5:02 pm

1 stop9h 22m

Kansas City

Thu 4/17

6:40 am-10:42 pm

1 stop18h 02m

$263

OntarioKansas City

ONT - MCI

ONTMCI

Ontario

Mon 4/7

6:55 am-11:59 pm

2 stops15h 04m

Kansas City

Fri 4/11

8:35 pm-11:59 pm

1 stop5h 24m

$292

OntarioKansas City

ONT - MCI

ONTMCI

Ontario

Wed 3/26

6:00 am-11:59 pm

1 stop15h 59m

Kansas City

Sun 3/30

7:00 am-10:39 am

1 stop29h 39m

$312

OntarioKansas City

ONT - MCI

ONTMCI

Ontario

Tue 4/1

4:30 pm-12:21 am

1 stop5h 51m

Kansas City

Mon 4/7

7:41 pm-11:50 pm

1 stop6h 09m

$328

OntarioKansas City

ONT - MCI

ONTMCI

Ontario

Thu 4/3

6:30 am-2:05 pm

1 stop5h 35m

Kansas City

Thu 4/10

10:20 am-6:35 pm

2 stops10h 15m

$354

OntarioKansas City

ONT - MCI

ONTMCI

Ontario

Sat 3/29

5:05 am-12:54 pm

1 stop5h 49m

Kansas City

Wed 4/2

4:35 pm-9:58 pm

1 stop7h 23m

$404

OntarioKansas City

ONT - MCI

ONTMCI

Ontario

Wed 4/2

3:17 pm-11:18 am

1 stop18h 01m

$60

OntarioKansas City

ONT - MCI

ONTMCI

Ontario

Mon 3/31

11:42 am-11:00 pm

1 stop9h 18m

$132

OntarioKansas City

ONT - MCI

ONTMCI

Ontario

Tue 4/1

6:00 am-11:59 pm

1 stop15h 59m

$137

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

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 February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice 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.

Travel insights for flights from Ontario to Kansas City

Get recent, data-driven insights about flights from Ontario to Kansas City including ideal travel times, pricing trends, and more.

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 February 14, 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 February 20, 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 February 20, 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
4,411 reviews

Crew

8.7

Overall

8.1

Boarding

8.2

Entertainment

7.6

Food

7.1

Comfort

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Southwest
8.1
Very good
4,411 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Overall

8.1

Boarding

8.2

Entertainment

7.6

Food

7.1

Comfort

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Alaska Airlines
8.0
Very good
9,697 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Overall

8.1

Boarding

8.2

Entertainment

7.6

Food

7.1

Comfort

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Delta
8.0
Very good
8,219 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Overall

8.1

Boarding

8.2

Entertainment

7.6

Food

7.1

Comfort

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Hawaiian Airlines
7.9
Good
2,317 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Overall

8.1

Boarding

8.2

Entertainment

7.6

Food

7.1

Comfort

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

United Airlines
7.4
Good
8,765 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Overall

8.1

Boarding

8.2

Entertainment

7.6

Food

7.1

Comfort

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

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 $111 on this airline. Additional options worth looking into are Delta and Alaska Airlines, starting at $263 and $312 round-trip. Frontier is priced at 70% 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 $60. Delta flights start at $132 while deals on Alaska Airlines start at $137 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
Lenexa
Liberty
Overland Park
Kansas City
Lawrence
Belton
North Kansas City

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ontario to Kansas City

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to St. Louis flights
Los Angeles to Kansas City flights
San Francisco to St. Louis flights
San Francisco to Kansas City flights
Ontario to St. Louis flights
Las Vegas to Kansas City flights
Las Vegas to St. Louis flights
San Diego to St. Louis flights
San Diego to Kansas City flights
San Jose to Kansas City flights
Burbank to Kansas City flights
Sacramento to Kansas City flights
Santa Ana to St. Louis flights
Long Beach to St. Louis flights
Oakland to Kansas City flights
San Jose to St. Louis flights
Santa Ana to Kansas City flights
Sacramento to St. Louis flights
Oakland to St. Louis flights
Sacramento to Springfield flights
Reno to Kansas City flights
Burbank to St. Louis flights
San Francisco to Springfield flights
Los Angeles to Springfield flights
Ontario to Springfield flights
Palm Springs to Kansas City flights
Fresno to St. Louis flights
Long Beach to Kansas City flights
Santa Ana to Springfield flights
San Jose to Springfield flights
Fresno to Kansas City flights
Palm Springs to St. Louis flights
San Diego to Springfield flights
Medford to Kansas City flights
Arcata to Branson flights
Los Angeles to Columbia flights
Fresno to Springfield flights
Long Beach to Springfield flights
Oakland to Springfield flights
Bakersfield to St. Louis flights
San Luis Obispo to Kansas City flights
San Jose to Joplin flights
Palm Springs to Springfield flights
Medford to St. Louis flights
Los Angeles to Joplin flights
Ontario to Joplin flights
San Francisco to Joplin flights
Sacramento to Joplin flights
Santa Barbara to St. Louis flights

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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$83Average$190FlexibilityNo cancel feeOn-time65%
FrontierCheapest$138Average$223FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$266Average$483FlexibilityNo cancel feeOn-time69%
DeltaCheapest$277Average$337FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$277Average$427FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$324Average$423FlexibilityNo cancel feeOn-time63%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.