HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Kansas City

$168+ Cheap flights from Ontario to Kansas City (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 6/18. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — MCI
Apr 29 — May 61
Tue 4/29
Tue 5/6
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.

Cheap flight deals from Ontario to Kansas City

Keep the following information in mind while searching for Ontario to Kansas City flight deals. Data was last updated April 24, 2025.

Round-trip from

$275
(American Airlines)

One-way from

$168
(United Airlines)

Popular in

December

Cheapest in

July

Average price

$555
From Ontario to Kansas City
Search Deals
One-way flight from Ontario to Kansas City
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($54 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 April 24, 2025.

This American Airlines deal was found by Cheapflights users on 4/22. 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 6/37:29 amYUL - MCI
1 stop8h 32mAmerican Airlines
Sun 6/155:06 amMCI - YUL
1 stop16h 34mAmerican Airlines
Deal found 4/22$275
This Delta deal was found by Cheapflights users on 4/23. 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 6/76:10 amYUL - MCI
1 stop9h 52mDelta
Wed 6/185:26 pmMCI - YUL
1 stop5h 28mDelta
Deal found 4/23$280
This United Airlines deal was found by Cheapflights users on 4/22. 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 6/49:15 amYUL - MCI
2 stops9h 23mUnited Airlines
Sat 6/148:00 amMCI - YUL
1 stop8h 26mUnited Airlines
Deal found 4/22$281
This Mytrip deal was found by Cheapflights users on 4/23. 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.
Sat 6/76:15 amYUL - MCI
1 stop5h 23mMultiple Airlines
Wed 6/1811:05 amMCI - YUL
3 stops34h 10mMultiple Airlines
Deal found 4/23$363
This Justfly.com deal was found by Cheapflights users on 4/22. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/46:45 pmYUL - MCI
1 stop6h 14mWestJet
Fri 6/135:26 pmMCI - YUL
1 stop5h 28mWestJet
Deal found 4/22$389
This Mytrip deal was found by Cheapflights users on 4/23. 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 6/57:45 pmYYZ - MCI
2 stops24h 18mMultiple Airlines
Mon 6/99:07 pmMCI - YYZ
3 stops31h 44mMultiple Airlines
Deal found 4/23$396
This American Airlines deal was found by Cheapflights users on 4/23. 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 7/76:30 amYYZ - MCI
1 stop18h 29mAmerican Airlines
Tue 7/295:44 amMCI - YYZ
2 stops12h 00mAmerican Airlines
Deal found 4/23$408
This Delta deal was found by Cheapflights users on 4/23. 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 9/186:00 amYYZ - MCI
1 stop4h 45mDelta
Mon 9/223:50 pmMCI - YYZ
1 stop6h 05mDelta
Deal found 4/23$409
This United Airlines deal was found by Cheapflights users on 4/23. 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 7/110:05 amYYZ - MCI
2 stops12h 38mUnited Airlines
Fri 7/43:28 pmMCI - YYZ
1 stop7h 30mUnited Airlines
Deal found 4/23$435
This Kiwi.com deal was found by Cheapflights users on 4/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/157:00 amYOW - MCI
2 stops16h 41mMultiple Airlines
Sun 5/185:46 amMCI - YOW
1 stop10h 20mMultiple Airlines
Deal found 4/23$530
This WestJet deal was found by Cheapflights users on 4/23. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/88:00 pmYYZ - MCI
2 stops17h 08mWestJet
Sun 6/156:30 amMCI - YYZ
1 stop4h 25mWestJet
Deal found 4/23$567
This FlightHub deal was found by Cheapflights users on 4/23. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/77:50 amYOW - MCI
2 stops17h 30mWestJet
Fri 5/165:35 pmMCI - YOW
2 stops34h 50mWestJet
Deal found 4/23$609

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 April 24, 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

MontrealKansas City

YUL - MCI

YULMCI

Montreal Pierre Elliott Trudeau Intl

Tue 6/3

7:29 am-3:01 pm

1 stop8h 32m

Kansas City

Sun 6/15

5:06 am-10:40 pm

1 stop16h 34m

$275

MontrealKansas City

YUL - MCI

YULMCI

Montreal Pierre Elliott Trudeau Intl

Sat 6/7

6:10 am-3:02 pm

1 stop9h 52m

Kansas City

Wed 6/18

5:26 pm-11:54 pm

1 stop5h 28m

$280

MontrealKansas City

YUL - MCI

YULMCI

Montreal Pierre Elliott Trudeau Intl

Wed 6/4

9:15 am-5:38 pm

2 stops9h 23m

Kansas City

Sat 6/14

8:00 am-5:26 pm

1 stop8h 26m

$281

MontrealKansas City

YUL - MCI

YULMCI

Montreal Pierre Elliott Trudeau Intl

Sat 6/7

6:15 am-10:38 am

1 stop5h 23m

Kansas City

Wed 6/18

11:05 am-10:15 pm

3 stops34h 10m

$363

MontrealKansas City

YUL - MCI

YULMCI

Montreal Pierre Elliott Trudeau Intl

Wed 6/4

6:45 pm-11:59 pm

1 stop6h 14m

Kansas City

Fri 6/13

5:26 pm-11:54 pm

1 stop5h 28m

$389

TorontoKansas City

YYZ - MCI

YYZMCI

Toronto Pearson Intl

Thu 6/5

7:45 pm-7:03 pm

2 stops24h 18m

Kansas City

Mon 6/9

9:07 pm-5:51 am

3 stops31h 44m

$396

TorontoKansas City

YYZ - MCI

YYZMCI

Toronto Pearson Intl

Mon 7/7

3:12 pm-11:59 pm

1 stop9h 47m

Kansas City

Thu 7/24

5:44 am-6:44 pm

2 stops12h 00m

$408

TorontoKansas City

YYZ - MCI

YYZMCI

Toronto Pearson Intl

Thu 9/18

6:00 am-9:45 am

1 stop4h 45m

Kansas City

Mon 9/22

3:50 pm-10:55 pm

1 stop6h 05m

$409

TorontoKansas City

YYZ - MCI

YYZMCI

Toronto Pearson Intl

Tue 7/1

10:05 am-9:43 pm

2 stops12h 38m

Kansas City

Fri 7/4

3:28 pm-11:58 pm

1 stop7h 30m

$435

OttawaKansas City

YOW - MCI

YOWMCI

Ottawa

Thu 5/15

7:00 am-10:41 pm

2 stops16h 41m

Kansas City

Sun 5/18

5:46 am-5:06 pm

1 stop10h 20m

$530

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/23

Showing 1-10 of 26 results
1
2
3

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

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

Currently, January is the cheapest month in which you can book a flight from Region of Ontario to Kansas City (average of $298). Flying from Region of 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 ON 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 April 24, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Region of Ontario to Kansas City as you normally would.

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 April 24, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Delta and United Airlines from Ontario to Kansas City by reading reviews from past customers. 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.
Alaska Airlines
8.0
Very good
9,918 reviews

Food

7.1

Comfort

7.9

Overall

8.0

Entertainment

7.1

Crew

8.5

Boarding

8.2

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very good
9,918 reviews
Alaska Airlines
8.0
Very good
9,918 reviews

Food

7.1

Comfort

7.9

Overall

8.0

Entertainment

7.1

Crew

8.5

Boarding

8.2

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Delta
8.0
Very good
7,920 reviews
Alaska Airlines
8.0
Very good
9,918 reviews

Food

7.1

Comfort

7.9

Overall

8.0

Entertainment

7.1

Crew

8.5

Boarding

8.2

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
United Airlines
7.4
Good
8,685 reviews
Alaska Airlines
8.0
Very good
9,918 reviews

Food

7.1

Comfort

7.9

Overall

8.0

Entertainment

7.1

Crew

8.5

Boarding

8.2

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,918 reviews

Food

7.1

Comfort

7.9

Overall

8.0

Entertainment

7.1

Crew

8.5

Boarding

8.2

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
WestJet
7.2
Good
2,816 reviews
Alaska Airlines
8.0
Very good
9,918 reviews

Food

7.1

Comfort

7.9

Overall

8.0

Entertainment

7.1

Crew

8.5

Boarding

8.2

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

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 airport do you fly into for flights to Kansas City from Ontario?

    For a flight from Ontario to Kansas City, you will be flying into Kansas City. Kansas City (MCI) is just 17.4 mi from the center of the city.

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

    The cheapest airlines for a one-way flight from Region of Ontario to Kansas City are United Airlines ($168), Delta ($170), and American Airlines ($188).

  • What are the most popular routes from Region of Ontario to Kansas City?

    Most travelers choose Toronto Pearson Intl - Kansas City, Montreal Pierre Elliott Trudeau Intl - Kansas City or Ottawa - Kansas City when deciding on the best route from Region of Ontario to Kansas City.

  • 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 Region of Ontario to Kansas City?

    Currently, January is the cheapest month in which you can book a flight from Region of Ontario to Kansas City (average of $298). Flying from Region of 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
Liberty
Overland Park
Lenexa
Kansas City
North Kansas City
Lawrence
Belton

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.
Pearson Intl to St. Louis flights
Pearson Intl to Kansas City flights
Pierre Elliott Trudeau Intl to St. Louis flights
Vancouver Intl to Kansas City flights
Winnipeg to St. Louis flights
Vancouver Intl to St. Louis flights
Calgary to St. Louis flights
Pierre Elliott Trudeau Intl to Kansas City flights
Winnipeg to Kansas City flights
Calgary to Kansas City flights
Halifax to Kansas City flights
Kelowna to Kansas City flights
Edmonton to Kansas City flights
Pearson Intl to Springfield flights
Edmonton to St. Louis flights
Ottawa to Kansas City flights
Saskatoon to Kansas City flights
Pearson Intl to Joplin flights
Victoria to St. Louis flights
Ottawa to St. Louis flights
Halifax to St. Louis flights
Vancouver Intl to Springfield flights
Charlottetown to St. Louis flights

Top 5 airlines flying from Ontario to Kansas City

Discover the top 5 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 April 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$365Average$441FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$372Average$572FlexibilityNo cancel feeOn-time69%
DeltaCheapest$389Average$494FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$421Average$521FlexibilityNo cancel feeOn-time71%
WestJetCheapest$526Average$736FlexibilityNo cancel feeOn-time60%

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.