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Cheap flights from Kansas City to Ontario from C$ 159

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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — YYZ
22 Apr — 29 Apr1
1 adult

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 17 April 2025.

Round-trip from

C$ 427

One-way from

C$ 159

Popular in

January

Cheapest in

August

Average price

C$ 958
9/5-11/5
  • 9/5-11/5
  • 2 total stops
  • 19h 52m total
  • Kansas City to Ontario
Search Deals
12/5
  • 12/5
  • 2 total stops
  • 23h 58m total
  • Kansas City to Ontario
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (C$ 122 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 17 April 2025.

Fri 9/511:43 a.m.MCI - YYZ
1 stop8h 25mMultiple Airlines
Sun 11/59:45 a.m.YYZ - MCI
1 stop11h 27mMultiple Airlines
Deal found 17/4C$ 427
Thu 15/55:46 a.m.MCI - YUL
1 stop7h 34mMultiple Airlines
Sun 18/57:00 a.m.YUL - MCI
3 stops28h 31mMultiple Airlines
Deal found 17/4C$ 481
Thu 15/56:00 a.m.MCI - YUL
1 stop16h 26mUnited Airlines
Sun 18/56:15 a.m.YUL - MCI
1 stop5h 21mUnited Airlines
Deal found 17/4C$ 519
Wed 13/85:57 a.m.MCI - YUL
2 stops9h 34mAmerican Airlines
Sat 23/85:15 p.m.YUL - MCI
2 stops7h 44mAmerican Airlines
Deal found 17/4C$ 538
Thu 15/56:00 a.m.MCI - YUL
1 stop16h 26mAir Canada
Sat 31/511:15 a.m.YUL - MCI
2 stops13h 00mAir Canada
Deal found 17/4C$ 553
Thu 15/59:07 p.m.MCI - YOW
2 stops26h 14mMultiple Airlines
Thu 22/53:50 p.m.YOW - MCI
1 stop19h 41mMultiple Airlines
Deal found 17/4C$ 556
Mon 26/56:37 a.m.MCI - YUL
1 stop8h 38mDelta
Thu 29/56:05 a.m.YUL - MCI
2 stops11h 16mDelta
Deal found 17/4C$ 679
Thu 8/56:48 a.m.MCI - YYZ
1 stop9h 47mAmerican Airlines
Fri 9/511:32 a.m.YYZ - MCI
1 stop13h 22mAmerican Airlines
Deal found 17/4C$ 688
Mon 28/45:44 p.m.MCI - YYZ
2 stops13h 27mWestJet
Tue 29/410:20 a.m.YYZ - MCI
1 stop7h 21mWestJet
Deal found 17/4C$ 713
Fri 16/512:40 p.m.MCI - YYZ
1 stop9h 14mDelta
Fri 23/56:30 a.m.YYZ - MCI
1 stop4h 12mDelta
Deal found 17/4C$ 779
Fri 25/76:00 a.m.MCI - YYZ
1 stop6h 47mUnited Airlines
Sat 2/84:30 p.m.YYZ - MCI
1 stop7h 44mUnited Airlines
Deal found 16/4C$ 797
Mon 1/94:55 p.m.MCI - YYZ
2 stops21h 05mAlaska Airlines
Sat 13/94:45 p.m.YYZ - MCI
2 stops24h 16mAlaska Airlines
Deal found 17/4C$ 929

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 629,999 searches. Data last updated 17 April 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

Fri 9/5

11:43 a.m.-9:08 p.m.

1 stop8h 25m

Toronto Pearson Intl

Sun 11/5

9:45 a.m.-8:12 p.m.

1 stop11h 27m

C$ 427

Kansas CityMontreal

MCI - YUL

MCIYUL

Kansas City

Thu 15/5

5:46 a.m.-2:20 p.m.

1 stop7h 34m

Montreal Pierre Elliott Trudeau Intl

Sun 18/5

7:00 a.m.-10:31 a.m.

3 stops28h 31m

C$ 481

Kansas CityMontreal

MCI - YUL

MCIYUL

Kansas City

Thu 15/5

6:00 a.m.-11:26 p.m.

1 stop16h 26m

Montreal Pierre Elliott Trudeau Intl

Sun 18/5

6:15 a.m.-10:36 a.m.

1 stop5h 21m

C$ 519

Kansas CityMontreal

MCI - YUL

MCIYUL

Kansas City

Wed 13/8

5:57 a.m.-4:31 p.m.

2 stops9h 34m

Montreal Pierre Elliott Trudeau Intl

Sat 23/8

5:15 p.m.-11:59 p.m.

2 stops7h 44m

C$ 538

Kansas CityMontreal

MCI - YUL

MCIYUL

Kansas City

Thu 15/5

6:00 a.m.-11:26 p.m.

1 stop16h 26m

Montreal Pierre Elliott Trudeau Intl

Sat 31/5

11:15 a.m.-11:15 p.m.

2 stops13h 00m

C$ 553

Kansas CityOttawa

MCI - YOW

MCIYOW

Kansas City

Thu 15/5

9:07 p.m.-12:21 a.m.

2 stops26h 14m

Ottawa

Thu 22/5

3:50 p.m.-10:31 a.m.

1 stop19h 41m

C$ 556

Kansas CityMontreal

MCI - YUL

MCIYUL

Kansas City

Mon 26/5

6:37 a.m.-4:15 p.m.

1 stop8h 38m

Montreal Pierre Elliott Trudeau Intl

Thu 29/5

6:05 a.m.-4:21 p.m.

2 stops11h 16m

C$ 679

Kansas CityToronto

MCI - YYZ

MCIYYZ

Kansas City

Thu 8/5

6:48 a.m.-5:35 p.m.

1 stop9h 47m

Toronto Pearson Intl

Fri 9/5

11:32 a.m.-11:54 p.m.

1 stop13h 22m

C$ 688

Kansas CityToronto

MCI - YYZ

MCIYYZ

Kansas City

Mon 28/4

5:44 p.m.-8:11 a.m.

2 stops13h 27m

Toronto Pearson Intl

Tue 29/4

10:20 a.m.-4:41 p.m.

1 stop7h 21m

C$ 713

Kansas CityToronto

MCI - YYZ

MCIYYZ

Kansas City

Fri 16/5

12:40 p.m.-10:54 p.m.

1 stop9h 14m

Toronto Pearson Intl

Fri 23/5

6:30 a.m.-9:42 a.m.

1 stop4h 12m

C$ 779

Flights are sorted by cheapest round-trip flights first.

Deals found on 17/4

Showing 1-10 of 18 results
1
2

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 C$ 167). Flying from Kansas City to Region of Ontario in July is currently the most expensive (average of C$ 258). 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.

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 51.0 - 83.0 mm per month. June is typically the wettest month, when rainfall can reach 83.0 mm. February is typically the driest time to visit Region of Ontario when rainfall is around 51.0 mm.

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 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -6.0 C).

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 17 April 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. 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
9,887 reviews
Check prices

Entertainment

7.1

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.1

Boarding

8.1

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
9,887 reviews
Alaska Airlines
8.0
Very good
9,887 reviews
Check prices

Entertainment

7.1

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.1

Boarding

8.1

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
7,916 reviews
Alaska Airlines
8.0
Very good
9,887 reviews
Check prices

Entertainment

7.1

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.1

Boarding

8.1

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
8,667 reviews
Alaska Airlines
8.0
Very good
9,887 reviews
Check prices

Entertainment

7.1

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.1

Boarding

8.1

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
9,887 reviews
Check prices

Entertainment

7.1

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.1

Boarding

8.1

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
2,809 reviews
Alaska Airlines
8.0
Very good
9,887 reviews
Check prices

Entertainment

7.1

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.1

Boarding

8.1

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 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) is the airport you will fly out of if you book a flight from Kansas City to Ontario. It is only a 28.0 km journey to Kansas City (MCI) from Kansas City’s city centre.

  • 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 C$ 216 on United Airlines. Other airlines that offer cheap prices include American Airlines from C$ 223 and Air Canada from C$ 482 one-way.

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

    The most popular route from Kansas City to Region of Ontario is Kansas City - Toronto Pearson Intl. You may also consider Kansas City - Montreal Pierre Elliott Trudeau Intl or Kansas City - Ottawa.

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

    Looking for the cheapest flight from Kansas City to Region of Ontario? While on average our users pay C$ 466, our data indicates the cheapest price to be C$ 236. The most popular route (Kansas City - Toronto Pearson Intl), is priced around C$ 427.

  • 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 C$ 167). Flying from Kansas City to Region of Ontario in July is currently the most expensive (average of C$ 258). 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 Pierre Elliott Trudeau Intl flights
Kansas City to Vancouver Intl flights
St. Louis to Vancouver Intl flights
St. Louis to Pearson Intl flights
Kansas City to Calgary flights
Kansas City to Pearson Intl flights
St. Louis to Calgary flights
Kansas City to Pierre Elliott Trudeau Intl flights
St. Louis to Winnipeg flights
St. Louis to Saskatoon flights
Kansas City to Québec City flights
St. Louis to Halifax flights
Kansas City to Ottawa flights
Kansas City to Halifax flights
Kansas City to Victoria flights
St. Louis to Edmonton flights
Kansas City to Saskatoon flights
St. Louis to Charlottetown flights
Springfield to Pearson Intl flights
St. Louis to Québec City flights
St. Louis to Kelowna flights
Kansas City to Moncton flights
Joplin to Pierre Elliott Trudeau Intl flights

Top airline flying from Kansas City to Ontario

Discover the top airline 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 629,999 searches. Data last updated 17 April 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 214AverageC$ 841FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Kansas City to Ontario?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Kansas City to Ontario. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Kansas City to Ontario?

Millions of users choose and trust Cheapflights to book the best flight deals from Kansas City to Ontario for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Kansas City to Ontario with no change fees?

Certainly. Search results for flights to Ontario from Kansas City shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Kansas City to Ontario become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Ontario from Kansas City today and book when prices fit your budget.

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