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$134+ Cheap flights from Kansas City (MCI) to Ontario

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 7/24. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — YYZ
Jul 6 — Jul 131
Sun 7/6
Sun 7/13
1 adult, Economy
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Cheap flight deals from Kansas City to Ontario

Keep the following information in mind while searching for Kansas City to Ontario flight deals. Data was last updated July 1, 2025.

Round-trip from

$326
(Mytrip)

One-way from

$134
(Kiwi.com)

Popular in

January

Cheapest in

September

Average price

$740
From Kansas City to Ontario
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One-way flight from Kansas City to Ontario
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Highest demand for flights based on searches. 4% potential increase in price ($31 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Kansas City to Ontario

Cheapest flights from Kansas City to Ontario
Explore the most affordable flight options available from Kansas City to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 1, 2025.

This Mytrip deal was found by Cheapflights users on 6/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/56:00 amMCI - YYZ
2 stops17h 44mMultiple Airlines
Sat 8/96:30 amYYZ - MCI
1 stop11h 39mMultiple Airlines
Deal found 6/30$326
This Mytrip deal was found by Cheapflights users on 6/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/45:30 amMCI - YUL
2 stops14h 47mMultiple Airlines
Sat 9/66:45 amYUL - MCI
2 stops17h 23mMultiple Airlines
Deal found 6/30$375
This American Airlines deal was found by Cheapflights users on 6/29. 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 11/54:19 pmMCI - YUL
1 stop17h 51mAmerican Airlines
Mon 11/1012:10 pmYUL - MCI
1 stop9h 19mAmerican Airlines
Deal found 6/29$380
This American Airlines deal was found by Cheapflights users on 7/1. 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.
Sat 8/306:00 amMCI - YYZ
1 stop10h 41mAmerican Airlines
Wed 9/31:15 pmYYZ - MCI
1 stop8h 32mAmerican Airlines
Deal found 7/1$410
This United Airlines deal was found by Cheapflights users on 7/1. 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.
Mon 11/176:00 amMCI - YUL
1 stop8h 57mUnited Airlines
Mon 11/249:25 amYUL - MCI
1 stop11h 32mUnited Airlines
Deal found 7/1$427
This Mytrip deal was found by Cheapflights users on 7/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/92:39 pmMCI - YTZ
2 stops18h 56mMultiple Airlines
Sun 8/178:40 pmYTZ - MCI
2 stops22h 27mMultiple Airlines
Deal found 7/1$441
This Kiwi.com deal was found by Cheapflights users on 6/28. 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.
Wed 8/276:00 amMCI - YOW
1 stop10h 06mMultiple Airlines
Tue 9/27:00 amYOW - MCI
2 stops16h 53mMultiple Airlines
Deal found 6/28$441
This deal was found by Cheapflights users on 6/30. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/207:30 amMCI - YOW
1 stop5h 34mUnited Airlines
Tue 9/95:25 pmYOW - MCI
1 stop5h 17mUnited Airlines
Deal found 6/30$705
This Air Canada deal was found by Cheapflights users on 7/1. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/16:05 amMCI - YTZ
2 stops11h 40mAir Canada
Mon 8/412:25 pmYTZ - MCI
2 stops10h 06mAir Canada
Deal found 7/1$1,002

Cheapflights Fare Finder

Customize your flight search to find flights from Kansas City 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 July 1, 2025.
Use the filters below to find and compare flights from Kansas City to Ontario that are best for you.

Fly from

Kansas City

Fly to

Ontario

Route

Depart

Return

Price

Kansas CityToronto

MCI - YYZ

MCIYYZ

Kansas City

Tue 8/5

6:00 am-12:44 am

2 stops17h 44m

Toronto Pearson Intl

Sat 8/9

6:30 am-5:09 pm

1 stop11h 39m

$326

Kansas CityMontreal

MCI - YUL

MCIYUL

Kansas City

Thu 9/4

5:30 am-9:17 pm

2 stops14h 47m

Montreal Pierre Elliott Trudeau Intl

Sat 9/6

6:45 am-11:08 pm

2 stops17h 23m

$375

Kansas CityMontreal

MCI - YUL

MCIYUL

Kansas City

Wed 11/5

4:19 pm-11:10 am

1 stop17h 51m

Montreal Pierre Elliott Trudeau Intl

Mon 11/10

12:10 pm-8:29 pm

1 stop9h 19m

$380

Kansas CityToronto

MCI - YYZ

MCIYYZ

Kansas City

Sat 8/30

6:00 am-5:41 pm

1 stop10h 41m

Toronto Pearson Intl

Wed 9/3

1:15 pm-8:47 pm

1 stop8h 32m

$410

Kansas CityMontreal

MCI - YUL

MCIYUL

Kansas City

Mon 11/17

6:00 am-3:57 pm

1 stop8h 57m

Montreal Pierre Elliott Trudeau Intl

Mon 11/24

9:25 am-7:57 pm

1 stop11h 32m

$427

Kansas CityToronto

MCI - YTZ

MCIYTZ

Kansas City

Sat 8/9

2:39 pm-10:35 am

2 stops18h 56m

Toronto Island

Sun 8/17

8:40 pm-6:07 pm

2 stops22h 27m

$441

Kansas CityOttawa

MCI - YOW

MCIYOW

Kansas City

Wed 8/27

6:00 am-5:06 pm

1 stop10h 06m

Ottawa

Tue 9/2

7:00 am-10:53 pm

2 stops16h 53m

$441

Kansas CityOttawa

MCI - YOW

MCIYOW

Kansas City

Wed 8/20

7:30 am-2:04 pm

1 stop5h 34m

Ottawa

Tue 9/9

5:25 pm-9:42 pm

1 stop5h 17m

$705

Kansas CityToronto

MCI - YTZ

MCIYTZ

Kansas City

Fri 8/1

6:05 am-6:45 pm

2 stops11h 40m

Toronto Island

Mon 8/4

12:25 pm-9:31 pm

2 stops10h 06m

$1,002

Kansas CityToronto

MCI - YYZ

MCIYYZ

Kansas City

Thu 7/24

6:00 am-6:52 am

3 stops23h 52m

$134

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Showing 1-10 of 19 results
1
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Best time to book a flight from Kansas City to Ontario

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

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

Currently, January is the cheapest month in which you can book a flight from Kansas City to Region of Ontario (average of $243). Flying from Kansas City to Region of Ontario in August is currently the most expensive (average of $348). 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.

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 July 1, 2025.
Read reviews from past customers who have flown Alaska Airlines, United Airlines, and American Airlines from Kansas City to Ontario. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
United Airlines
7.4
Good
8,858 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
WestJet
7.2
Good
2,909 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Air Canada
7.1
Good
9,669 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.

Related info for your journey

Find useful and relevant information for your journey from Kansas City 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 from for flights from Kansas City to Ontario?

    Kansas City (MCI), located 17.4 mi from the city center, is the airport you fly out of when you book flights from Kansas City to Ontario.

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

    One-way options have recently been found by users for as low as $160 on American Airlines. Other airlines that offer cheap prices include United Airlines from $216 and Alaska Airlines from $257 one-way.

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

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

  • What are the cheapest flights from Kansas City to Region of Ontario?

    On average you can expect to pay $984 for a flight from Kansas City to Region of Ontario. The cheapest flight overall is $556 while the most popular route, (Kansas City - Toronto Pearson Intl) is currently priced at $326.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Kansas City to Region of Ontario (average of $243). Flying from Kansas City to Region of Ontario in August is currently the most expensive (average of $348). 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 City to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
St. Louis to Pearson Intl flights
St. Louis to Pierre Elliott Trudeau Intl flights
St. Louis to Calgary flights
Kansas City to Vancouver Intl flights
St. Louis to Vancouver Intl flights
Kansas City to Calgary flights
Kansas City to Pearson Intl flights
Kansas City to Pierre Elliott Trudeau Intl flights
Springfield to Vancouver Intl flights
St. Louis to Halifax flights
Kansas City to Québec City flights
St. Louis to Edmonton flights
Kansas City to Toronto Island flights
St. Louis to Québec City flights
St. Louis to St. John's flights
Kansas City to Halifax flights
St. Louis to Winnipeg flights
St. Louis to Saskatoon flights
Kansas City to Victoria flights
St. Louis to Victoria flights
Springfield to Calgary flights
St. Louis to Ottawa flights
Kansas City to St. John's flights
Kansas City to Kelowna flights
Kansas City to Edmonton flights
Kansas City to Winnipeg flights
Kansas City to Ottawa flights
Columbia to Pearson Intl flights
Springfield to Pearson Intl flights
St. Louis to Sydney flights
Springfield to Pierre Elliott Trudeau Intl flights
St. Louis to Kelowna flights
Springfield to Toronto Island flights
St. Louis to Grande Prairie flights
Kansas City to Saskatoon flights
Kansas City to Moncton flights
Joplin to Pearson Intl flights
Joplin to Pierre Elliott Trudeau Intl flights
Columbia to Pierre Elliott Trudeau Intl flights

Top 5 airlines flying from Kansas City to Ontario

Discover the top 5 airlines that operate flights from Kansas City 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 July 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$228Average$570FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$447Average$648FlexibilityNo cancel feeOn-time69%
DeltaCheapest$495Average$721FlexibilityNo cancel feeOn-timeN/A
WestJetCheapest$497Average$706FlexibilityNo cancel feeOn-time60%
American AirlinesCheapest$519Average$663FlexibilityNo cancel feeOn-time71%

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