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Cheap flights from Kansas City to Ontario from C$ 132

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 27/10. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — YYZ
14 Oct — 21 Oct1
1 adult
1 adult, Economy

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 14 September 2025.

Round-trip from

C$ 397

One-way from

C$ 132

Popular in

January

Cheapest in

February

Average price

C$ 994
27/10-3/11
  • 27/10-3/11
  • 2 total stops
  • 24h 01m total
  • Kansas City to Ontario
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27/10
  • 27/10
  • 1 total stop
  • 13h 45m total
  • Kansas City to Ontario
Search Deals
High demand for flights, 4% potential price rise
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Cheapest flight prices on average. 1% potential price decrease (C$ 14 potential savings vs. average RT price).
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Average for round-trip flights in September 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 14 September 2025.

Mon 27/105:15 a.m.MCI - YYZ
1 stop13h 45mMultiple Airlines
Mon 3/117:00 a.m.YYZ - MCI
1 stop10h 16mMultiple Airlines
Deal found 12/9C$ 397
Sat 15/111:44 p.m.MCI - YYZ
1 stop9h 27mMultiple Airlines
Tue 18/1111:15 a.m.YYZ - MCI
1 stop24h 53mMultiple Airlines
Deal found 12/9C$ 435
Mon 20/105:11 p.m.MCI - YYZ
1 stop19h 54mMultiple Airlines
Fri 24/107:45 p.m.YYZ - MCI
2 stops23h 10mMultiple Airlines
Deal found 12/9C$ 451
Fri 26/95:15 p.m.MCI - YYZ
2 stops19h 50mMultiple Airlines
Mon 29/94:00 p.m.YYZ - MCI
1 stop8h 07mMultiple Airlines
Deal found 12/9C$ 493
Mon 8/1212:13 p.m.MCI - YUL
1 stop25h 57mMultiple Airlines
Fri 12/125:25 p.m.YUL - MCI
2 stops20h 14mMultiple Airlines
Deal found 12/9C$ 515
Mon 13/105:11 p.m.MCI - YYZ
2 stops36h 53mMultiple Airlines
Mon 20/106:30 a.m.YYZ - MCI
1 stop10h 46mMultiple Airlines
Deal found 13/9C$ 526
Thu 23/105:15 a.m.MCI - YUL
1 stop8h 05mMultiple Airlines
Mon 27/106:45 a.m.YUL - MCI
1 stop10h 31mMultiple Airlines
Deal found 14/9C$ 530
Fri 10/105:11 p.m.MCI - YYZ
1 stop28h 09mMultiple Airlines
Sat 18/101:30 p.m.YYZ - MCI
2 stops21h 28mMultiple Airlines
Deal found 13/9C$ 538
Sat 11/107:02 p.m.MCI - YYZ
2 stops34h 57mMultiple Airlines
Sat 18/109:50 a.m.YYZ - MCI
1 stop13h 09mMultiple Airlines
Deal found 13/9C$ 545
Fri 24/105:11 p.m.MCI - YUL
2 stops20h 09mMultiple Airlines
Mon 27/106:45 a.m.YUL - MCI
1 stop10h 31mMultiple Airlines
Deal found 12/9C$ 579
Fri 24/107:49 p.m.MCI - YUL
1 stop14h 51mAmerican Airlines
Mon 27/105:24 p.m.YUL - MCI
1 stop16h 37mAmerican Airlines
Deal found 12/9C$ 592
Fri 3/105:39 p.m.MCI - YOW
2 stops22h 41mMultiple Airlines
Thu 9/103:50 p.m.YOW - MCI
1 stop25h 26mMultiple Airlines
Deal found 11/9C$ 599

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 14 September 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

Mon 27/10

5:15 a.m.-8:00 p.m.

1 stop13h 45m

Toronto Pearson Intl

Mon 3/11

1:30 p.m.-2:00 p.m.

2 stops25h 30m

C$ 428

Kansas CityToronto

MCI - YYZ

MCIYYZ

Kansas City

Mon 20/10

5:11 p.m.-2:05 p.m.

1 stop19h 54m

Toronto Pearson Intl

Fri 24/10

7:45 p.m.-5:55 p.m.

2 stops23h 10m

C$ 451

Kansas CityToronto

MCI - YYZ

MCIYYZ

Kansas City

Sat 15/11

1:44 p.m.-12:11 a.m.

1 stop9h 27m

Toronto Pearson Intl

Tue 18/11

1:30 p.m.-12:40 a.m.

2 stops36h 10m

C$ 469

Kansas CityToronto

MCI - YYZ

MCIYYZ

Kansas City

Fri 26/9

5:15 p.m.-2:05 p.m.

2 stops19h 50m

Toronto Pearson Intl

Mon 29/9

4:00 p.m.-11:07 p.m.

1 stop8h 07m

C$ 493

Kansas CityToronto

MCI - YYZ

MCIYYZ

Kansas City

Fri 9/1

12:13 p.m.-10:12 p.m.

1 stop8h 59m

Toronto Pearson Intl

Wed 14/1

10:00 a.m.-12:40 a.m.

2 stops15h 40m

C$ 522

Kansas CityToronto

MCI - YYZ

MCIYYZ

Kansas City

Mon 13/10

5:11 p.m.-7:04 a.m.

2 stops36h 53m

Toronto Pearson Intl

Mon 20/10

6:30 a.m.-4:16 p.m.

1 stop10h 46m

C$ 526

Kansas CityToronto

MCI - YYZ

MCIYYZ

Kansas City

Tue 21/10

6:00 a.m.-4:34 p.m.

1 stop9h 34m

Toronto Pearson Intl

Wed 29/10

10:59 a.m.-10:49 p.m.

1 stop12h 50m

C$ 538

Kansas CityMontreal

MCI - YUL

MCIYUL

Kansas City

Mon 8/12

7:00 a.m.-7:05 a.m.

2 stops23h 05m

Montreal Pierre Elliott Trudeau Intl

Fri 12/12

5:25 p.m.-12:39 p.m.

2 stops20h 14m

C$ 581

Kansas CityMontreal

MCI - YUL

MCIYUL

Kansas City

Mon 8/12

6:00 a.m.-3:10 p.m.

1 stop8h 10m

Montreal Pierre Elliott Trudeau Intl

Fri 12/12

3:52 p.m.-11:06 a.m.

1 stop20h 14m

C$ 592

Kansas CityMontreal

MCI - YUL

MCIYUL

Kansas City

Fri 24/10

7:49 p.m.-11:40 a.m.

1 stop14h 51m

Montreal Pierre Elliott Trudeau Intl

Mon 27/10

5:24 p.m.-9:01 a.m.

1 stop16h 37m

C$ 592

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/9

Showing 1-10 of 30 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.

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$ 168). 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.

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.

  • How long is the flight from Kansas City to Region of Ontario?

    Departing from Kansas City to Region of Ontario will take you 8h 10m. The distance between Kansas City and Region of Ontario is about 1846 km.

  • 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$ 245 on American Airlines. Other airlines that offer cheap prices include United Airlines from C$ 335 and Delta from C$ 360 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$ 235. The most popular route (Kansas City - Toronto Pearson Intl), is priced around C$ 401.

  • 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$ 168). 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 Pearson Intl flights
St. Louis to Vancouver Intl flights
St. Louis to Pierre Elliott Trudeau Intl flights
Kansas City to Pearson Intl flights
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Kansas City to Vancouver Intl flights
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Kansas City to Pierre Elliott Trudeau Intl flights
Kansas City to Ottawa flights
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Kansas City to Halifax flights
Springfield to Pearson Intl flights
Kansas City to Québec City flights
St. Louis to Halifax flights
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St. Louis to Edmonton flights
St. Louis to Winnipeg flights
Joplin to Pierre Elliott Trudeau Intl flights
St. Louis to Kelowna flights
Kansas City to Victoria flights
Kansas City to Moncton flights
St. Louis to Charlottetown flights

Fly with Cheapflights

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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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