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$143+ 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 3/12. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — YYZ
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
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 February 20, 2025.

Round-trip from

$237
(Mytrip)

One-way from

$143
(Kiwi.com)
From Kansas City to Ontario
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One-way flight from Kansas City to Ontario
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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 February 20, 2025.

This Mytrip deal was found by Cheapflights users on 2/18. 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.
Wed 4/25:12 pmMCI - YYZ
1 stop25h 18mMultiple Airlines
Tue 4/88:15 pmYYZ - MCI
1 stop19h 46mMultiple Airlines
Deal found 2/18$237
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.
Tue 3/112:19 pmMCI - YUL
1 stop8h 07mDelta
Sun 3/167:00 amYUL - MCI
1 stop6h 20mDelta
Deal found 2/19$407
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 3/115:30 amMCI - YUL
2 stops10h 29mAmerican Airlines
Sun 3/167:14 amYUL - MCI
1 stop11h 31mAmerican Airlines
Deal found 2/19$417
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/55:12 pmMCI - YUL
1 stop20h 28mMultiple Airlines
Sat 4/123:55 pmYUL - MCI
3 stops46h 04mMultiple Airlines
Deal found 2/19$455
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 4/27:00 amMCI - YYZ
1 stop30h 40mAlaska Airlines
Tue 4/84:30 pmYYZ - MCI
1 stop32h 29mAlaska Airlines
Deal found 2/19$460
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/236:45 pmMCI - YTZ
3 stops23h 08mMultiple Airlines
Thu 3/271:05 pmYTZ - MCI
2 stops28h 12mMultiple Airlines
Deal found 2/19$465
This WestJet 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/86:15 amMCI - YUL
1 stop4h 42mWestJet
Fri 4/115:23 pmYUL - MCI
1 stop24h 18mWestJet
Deal found 2/19$491
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.
Wed 2/266:00 amMCI - YUL
2 stops8h 58mUnited Airlines
Wed 2/267:00 pmYUL - MCI
2 stops20h 27mUnited Airlines
Deal found 2/19$527
This Delta deal was found by Cheapflights users on 2/20. 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 3/1312:05 pmMCI - YYZ
1 stop10h 35mDelta
Mon 3/177:55 amYYZ - MCI
1 stop9h 45mDelta
Deal found 2/20$578
This American Airlines deal was found by Cheapflights users on 2/20. 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 4/157:15 amMCI - YYZ
1 stop9h 20mAmerican Airlines
Thu 4/176:30 amYYZ - MCI
1 stop11h 07mAmerican Airlines
Deal found 2/20$579
This Justfly.com deal was found by Cheapflights users on 2/18. 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.
Sun 5/186:00 amMCI - YYZ
1 stop4h 26mWestJet
Sun 5/256:00 amYYZ - MCI
1 stop4h 40mWestJet
Deal found 2/18$634
This 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/313:29 pmMCI - YYZ
1 stop7h 29mUnited Airlines
Thu 4/35:30 pmYYZ - MCI
1 stop5h 30mUnited Airlines
Deal found 2/19$638

Find flights from Kansas City to Ontario within your budget

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 February 20, 2025.

Fly from

Kansas City

Fly to

Ontario

Route

Depart

Return

Price

Kansas CityToronto

MCI - YYZ

MCIYYZ

Kansas City

Wed 4/2

5:12 pm-7:30 pm

1 stop25h 18m

Toronto Pearson Intl

Tue 4/8

8:15 pm-3:01 pm

1 stop19h 46m

$237

Kansas CityMontreal

MCI - YUL

MCIYUL

Kansas City

Tue 3/11

2:19 pm-11:26 pm

1 stop8h 07m

Montreal Pierre Elliott Trudeau Intl

Sun 3/16

7:00 am-12:20 pm

1 stop6h 20m

$407

Kansas CityMontreal

MCI - YUL

MCIYUL

Kansas City

Tue 3/11

5:30 am-4:59 pm

2 stops10h 29m

Montreal Pierre Elliott Trudeau Intl

Sun 3/16

7:14 am-5:45 pm

1 stop11h 31m

$417

Kansas CityMontreal

MCI - YUL

MCIYUL

Kansas City

Sat 4/5

5:12 pm-2:40 pm

1 stop20h 28m

Montreal Pierre Elliott Trudeau Intl

Sat 4/12

3:55 pm-12:59 pm

3 stops46h 04m

$455

Kansas CityToronto

MCI - YYZ

MCIYYZ

Kansas City

Wed 4/2

7:00 am-2:40 pm

1 stop30h 40m

Toronto Pearson Intl

Tue 4/8

4:30 pm-11:59 pm

1 stop32h 29m

$460

Kansas CityToronto

MCI - YTZ

MCIYTZ

Kansas City

Sun 3/23

6:45 pm-6:53 pm

3 stops23h 08m

Toronto Island

Thu 3/27

1:05 pm-4:17 pm

2 stops28h 12m

$465

Kansas CityMontreal

MCI - YUL

MCIYUL

Kansas City

Tue 4/8

6:15 am-11:57 am

1 stop4h 42m

Montreal Pierre Elliott Trudeau Intl

Fri 4/11

5:23 pm-4:41 pm

1 stop24h 18m

$491

Kansas CityToronto

MCI - YYZ

MCIYYZ

Kansas City

Thu 3/13

12:05 pm-11:40 pm

1 stop10h 35m

Toronto Pearson Intl

Mon 3/17

7:55 am-4:40 pm

1 stop9h 45m

$578

Kansas CityToronto

MCI - YYZ

MCIYYZ

Kansas City

Tue 4/15

7:15 am-5:35 pm

1 stop9h 20m

Toronto Pearson Intl

Thu 4/17

6:30 am-4:37 pm

1 stop11h 07m

$579

Kansas CityMontreal

MCI - YUL

MCIYUL

Kansas City

Tue 4/8

7:45 am-5:58 pm

2 stops9h 13m

Montreal Pierre Elliott Trudeau Intl

Fri 4/11

11:15 am-10:00 pm

2 stops11h 45m

$627

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/18

Showing 1-10 of 28 results
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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.

Travel insights for flights from Kansas City to Ontario

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

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 July is currently the most expensive (average of $359). 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 MCI to ON?

Find hourly flight availability from Kansas City 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 February 20, 2025.

When flying from Kansas City to Region of Ontario, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 Region of Ontario ranges from 2.0 - 3.3 inches per month. June is typically the wettest month, when rainfall can reach 3.3 in. February is typically the driest time to visit Region of Ontario when rainfall is around 2.0 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 Region of Ontario, 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 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 21.2 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 February 20, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Delta and United Airlines from Kansas City to Ontario to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,697 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.1

Food

7.1

Comfort

7.9

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Alaska Airlines
8.0
Very good
9,697 reviews
Alaska Airlines
8.0
Very good
9,697 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.1

Food

7.1

Comfort

7.9

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Delta
8.0
Very good
8,219 reviews
Alaska Airlines
8.0
Very good
9,697 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.1

Food

7.1

Comfort

7.9

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

United Airlines
7.4
Good
8,765 reviews
Alaska Airlines
8.0
Very good
9,697 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.1

Food

7.1

Comfort

7.9

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,697 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.1

Food

7.1

Comfort

7.9

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

WestJet
7.2
Good
2,801 reviews
Alaska Airlines
8.0
Very good
9,697 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.1

Food

7.1

Comfort

7.9

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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 $175 on Delta. Other airlines that offer cheap prices include American Airlines from $177 and Alaska Airlines from $235 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 $281.

  • 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 July is currently the most expensive (average of $359). 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.

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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 Vancouver Intl flights
Kansas City to Calgary flights
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St. Louis to Edmonton flights
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St. Louis to Grande Prairie flights
Kansas City to Moncton flights
Kansas City to Ottawa flights
St. Louis to Kelowna flights
Springfield to Toronto Island flights
Kansas City to Saskatoon flights
St. Louis to Sydney 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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$227Average$522FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$447Average$638FlexibilityNo cancel feeOn-time69%
DeltaCheapest$464Average$713FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$473Average$611FlexibilityNo cancel feeOn-time71%
WestJetCheapest$497Average$702FlexibilityNo cancel feeOn-time60%
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