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

United Airlines, American Airlines, and Alaska Airlines can get you from Kansas City to Region of Ontario in just under 4h 54m. Your travel time can differ by up to 17h 42m. There are 1055 mi between Kansas City and Region of Ontario. This flight may include one or multiple stops.

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 $162 on American Airlines. Other airlines that offer cheap prices include Delta from $194 and WestJet from $335 one-way.

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.

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).

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 most popular airlines that fly from Kansas City to Region of Ontario?

The most popular airlines flying from Kansas City to Region of Ontario are Delta, American Airlines and United Airlines. Something to consider prior to booking your flight.

What is the cheapest time of day to fly from MCI to ON?

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.

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.

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.

$152+ Flights from Kansas City to Ontario

Q: How much does it cost to fly round-trip from Kansas City to Region of Ontario?

Airfare is below average for this route at the moment. Kansas City to Region of Ontario flights typically cost between $592 and $727 in January. The cheapest round-trip price found within the last 3 days was $299 on Multiple Airlines (Jan 31-Feb 4).

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Cheap 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 December 31, 2025.

Wed 12/313:47 pmMCI - YOW

1 stop24h 26mMultiple Airlines

Thu 1/87:00 amYOW - MCI

1 stop28h 31mMultiple Airlines

Deal found 12/30

$593

Wed 12/313:47 pmMCI - YOW

1 stop24h 26mMultiple Airlines

Tue 1/64:15 pmYOW - MCI

1 stop25h 55mMultiple Airlines

Deal found 12/30

$601

Wed 12/313:47 pmMCI - YOW

1 stop24h 26mMultiple Airlines

Wed 1/74:15 pmYOW - MCI

1 stop19h 16mMultiple Airlines

Deal found 12/30

$608

Wed 12/313:47 pmMCI - YYZ

1 stop21h 29mMultiple Airlines

Wed 1/72:15 pmYYZ - MCI

1 stop18h 54mMultiple Airlines

Deal found 12/30

$653

Wed 12/313:47 pmMCI - YYZ

1 stop21h 29mMultiple Airlines

Thu 1/83:40 pmYYZ - MCI

1 stop19h 51mMultiple Airlines

Deal found 12/30

$672

Wed 12/313:47 pmMCI - YYZ

1 stop21h 29mMultiple Airlines

Tue 1/68:30 pmYYZ - MCI

1 stop21h 40mMultiple Airlines

Deal found 12/30

$679

Wed 12/313:47 pmMCI - YOW

1 stop24h 26mMultiple Airlines

Mon 1/54:20 pmYOW - MCI

2 stops25h 50mMultiple Airlines

Deal found 12/30

$695

Tue 12/305:46 pmMCI - YOW

1 stop5h 08mUnited Airlines

Thu 1/85:11 pmYOW - MCI

1 stop5h 48mUnited Airlines

Deal found 12/30

$706

Wed 12/316:15 pmMCI - YYZ

1 stop28h 05mMultiple Airlines

Sat 1/33:25 pmYYZ - MCI

1 stop8h 34mMultiple Airlines

Deal found 12/28

$711

Tue 12/306:35 pmMCI - YOW

2 stops17h 57mUnited Airlines

Wed 1/79:45 amYOW - MCI

1 stop6h 25mUnited Airlines

Deal found 12/30

$716

Wed 12/313:47 pmMCI - YOW

1 stop24h 26mMultiple Airlines

Fri 1/29:30 amYOW - MCI

1 stop14h 29mMultiple Airlines

Deal found 12/30

$736

Wed 12/313:47 pmMCI - YOW

1 stop24h 26mMultiple Airlines

Sun 1/44:20 pmYOW - MCI

2 stops18h 48mMultiple Airlines

Deal found 12/30

$824

Best flights from Kansas City to Ontario
Discover carefully curated flight deals from Kansas City to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 31, 2025.

Fri 1/237:00 amMCI - YYZ

1 stop22h 47mMultiple Airlines

Sun 1/258:00 pmYYZ - MCI

1 stop28h 33mMultiple Airlines

Deal found 12/29

$322

Mon 2/23:24 pmMCI - YOW

1 stop4h 54mUnited Airlines

Fri 2/65:11 pmYOW - MCI

1 stop5h 48mUnited Airlines

Deal found 12/28

$348

Sat 2/147:05 amMCI - YUL

1 stop15h 24mAmerican Airlines

Sat 2/217:00 amYUL - MCI

1 stop16h 49mAmerican Airlines

Deal found 12/30

$377

Thu 1/293:59 pmMCI - YYZ

2 stops22h 36mAlaska Airlines

Thu 2/54:45 pmYYZ - MCI

2 stops23h 20mAlaska Airlines

Deal found 12/30

$423

Wed 2/46:30 amMCI - YUL

2 stops11h 07mDelta

Sat 2/79:34 amYUL - MCI

2 stops12h 29mDelta

Deal found 12/30

$605

Wed 2/1811:32 amMCI - YTZ

2 stops9h 06mAir Canada

Sat 2/218:30 amYTZ - MCI

2 stops14h 29mAir Canada

Deal found 12/28

$620

Mon 1/1211:29 amMCI - YOW

1 stop8h 49mUnited Airlines

Tue 1/202:15 pmYOW - MCI

2 stops8h 44mUnited Airlines

Deal found 12/29

$348

Wed 2/47:00 amMCI - YUL

2 stops23h 05mMultiple Airlines

Sat 2/78:00 amYUL - MCI

1 stop27h 31mMultiple Airlines

Deal found 12/30

$377

Wed 2/45:21 pmMCI - YUL

1 stop20h 47mAmerican Airlines

Sat 2/77:00 amYUL - MCI

1 stop17h 59mAmerican Airlines

Deal found 12/30

$381

Sat 2/149:10 amMCI - YOW

1 stop6h 57mUnited Airlines

Sat 2/212:15 pmYOW - MCI

1 stop6h 51mUnited Airlines

Deal found 12/30

$348

Thu 1/158:00 amMCI - YOW

1 stop8h 12mUnited Airlines

Sun 1/186:20 amYOW - MCI

1 stop5h 12mUnited Airlines

Deal found 12/30

$348

Tue 5/196:00 amMCI - YYZ

1 stop15h 37mMultiple Airlines

Tue 5/266:30 amYYZ - MCI

1 stop29h 37mMultiple Airlines

Deal found 12/29

$397

Sat 3/72:59 pmMCI - YYZ

1 stop22h 36mAlaska Airlines

Wed 3/114:45 pmYYZ - MCI

2 stops24h 37mAlaska Airlines

Deal found 12/30

$438

Thu 2/129:10 amMCI - YOW

1 stop11h 08mUnited Airlines

Thu 2/199:45 amYOW - MCI

2 stops13h 14mUnited Airlines

Deal found 12/29

$358

Wed 3/1811:26 amMCI - YYZ

1 stop10h 54mMultiple Airlines

Sun 3/228:00 pmYYZ - MCI

2 stops24h 55mMultiple Airlines

Deal found 12/30

$408

Wed 4/16:00 amMCI - YYZ

2 stops16h 20mMultiple Airlines

Wed 4/82:10 pmYYZ - MCI

2 stops10h 49mMultiple Airlines

Deal found 12/30

$408

Sat 2/285:38 pmMCI - YUL

1 stop20h 26mAmerican Airlines

Mon 3/23:45 pmYUL - MCI

1 stop17h 57mAmerican Airlines

Deal found 12/30

$527

Sun 3/87:00 amMCI - YYZ

1 stop22h 43mMultiple Airlines

Thu 3/124:45 pmYYZ - MCI

2 stops24h 37mMultiple Airlines

Deal found 12/29

$431

Sat 3/72:59 pmMCI - YYZ

1 stop22h 36mMultiple Airlines

Tue 3/108:20 pmYYZ - MCI

1 stop20h 09mMultiple Airlines

Deal found 12/30

$436

Sun 2/17:00 amMCI - YYZ

1 stop22h 43mMultiple Airlines

Thu 2/123:40 pmYYZ - MCI

1 stop19h 50mMultiple Airlines

Deal found 12/30

$438

Fri 2/137:05 amMCI - YUL

1 stop15h 24mAmerican Airlines

Mon 2/167:00 amYUL - MCI

1 stop16h 49mAmerican Airlines

Deal found 12/29

$645

Mon 2/23:24 pmMCI - YUL

1 stop4h 53mUnited Airlines

Thu 2/56:00 amYUL - MCI

1 stop5h 32mUnited Airlines

Deal found 12/29

$669

Mon 3/99:15 amMCI - YTZ

2 stops11h 20mAir Canada

Thu 3/127:00 amYTZ - MCI

2 stops8h 20mAir Canada

Deal found 12/30

$981

Sun 1/1111:26 amMCI - YUL

2 stops28h 34mMultiple Airlines

Sat 1/178:00 amYUL - MCI

1 stop27h 31mMultiple Airlines

Deal found 12/31

$548

Sun 1/115:04 pmMCI - YTZ

2 stops19h 05mMultiple Airlines

Sat 1/1712:30 pmYTZ - MCI

2 stops23h 01mMultiple Airlines

Deal found 12/30

$699

Last-minute flights from Kansas City to Ontario
Discover last-minute flight deals from Kansas City to Ontario. Data last updated December 31, 2025 and is based on user searches.

Wed 12/313:47 pmMCI - YOW

1 stop24h 26mMultiple Airlines

Thu 1/87:00 amYOW - MCI

1 stop28h 31mMultiple Airlines

Deal found 12/30

$593

Wed 12/313:47 pmMCI - YOW

1 stop24h 26mMultiple Airlines

Tue 1/64:15 pmYOW - MCI

1 stop25h 55mMultiple Airlines

Deal found 12/30

$601

Sun 1/117:00 amMCI - YYZ

2 stops37h 56mMultiple Airlines

Sat 1/173:40 pmYYZ - MCI

1 stop19h 51mMultiple Airlines

Deal found 12/30

$387

Sun 1/1111:26 amMCI - YOW

1 stop11h 59mMultiple Airlines

Sat 1/174:15 pmYOW - MCI

1 stop19h 16mMultiple Airlines

Deal found 12/31

$392

Sun 1/118:00 amMCI - YOW

2 stops9h 52mUnited Airlines

Sat 1/172:15 pmYOW - MCI

2 stops10h 15mUnited Airlines

Deal found 12/31

$449

Sun 1/1111:26 amMCI - YUL

2 stops28h 34mMultiple Airlines

Sat 1/178:00 amYUL - MCI

1 stop27h 31mMultiple Airlines

Deal found 12/31

$548

Mon 1/1211:29 amMCI - YOW

1 stop8h 49mUnited Airlines

Tue 1/205:11 pmYOW - MCI

1 stop5h 48mUnited Airlines

Deal found 12/29

$348

Thu 1/158:00 amMCI - YOW

2 stops12h 56mUnited Airlines

Sun 1/186:20 amYOW - MCI

1 stop5h 12mUnited Airlines

Deal found 12/30

$358

Thu 1/156:00 amMCI - YYZ

1 stop5h 34mAmerican Airlines

Wed 1/2111:30 amYYZ - MCI

1 stop12h 09mAmerican Airlines

Deal found 12/30

$491

Fri 1/237:00 amMCI - YYZ

1 stop22h 47mMultiple Airlines

Sun 1/258:00 pmYYZ - MCI

1 stop28h 33mMultiple Airlines

Deal found 12/29

$322

Thu 1/293:59 pmMCI - YYZ

2 stops22h 36mAlaska Airlines

Thu 2/54:45 pmYYZ - MCI

2 stops23h 20mAlaska Airlines

Deal found 12/30

$423

Sat 1/317:00 amMCI - YYZ

2 stops29h 40mMultiple Airlines

Wed 2/48:30 pmYYZ - MCI

1 stop15h 01mMultiple Airlines

Deal found 12/30

$299

One-way flights from Kansas City to Ontario
Search for one-way flight options from Kansas City to Ontario. Find affordable one-way fares based on user searches. Data last updated December 31, 2025.

Sat 2/1411:27 amMCI - YOW

2 stops9h 29mUnited Airlines

Deal found 12/30

$152

Mon 4/67:00 amMCI - YYZ

2 stops35h 36mMultiple Airlines

Deal found 12/30

$164

Sat 2/148:36 pmMCI - YTZ

3 stops45h 21mMultiple Airlines

Deal found 12/31

$166

Thu 5/2812:12 pmMCI - YYZ

1 stop10h 43mMultiple Airlines

Deal found 12/29

$175

Mon 4/611:26 amMCI - YTZ

2 stops46h 09mMultiple Airlines

Deal found 12/30

$233

Thu 2/128:00 amMCI - YYZ

1 stop12h 21mUnited Airlines

Deal found 12/29

$256

Fri 6/196:00 amMCI - YYZ

1 stop6h 25mDelta

Deal found 12/30

$332

Sun 5/106:05 amMCI - YUL

1 stop6h 34mDelta

Deal found 12/29

$375

Wed 6/172:50 pmMCI - YYZ

2 stops14h 50mMultiple Airlines

Deal found 12/30

$394

Tue 5/126:00 amMCI - YYZ

1 stop6h 25mDelta

Deal found 12/30

$407

Fri 6/194:00 pmMCI - YYZ

2 stops17h 27mWestJet

Deal found 12/30

$408

Tue 5/126:15 amMCI - YTZ

2 stops12h 54mUnited Airlines

Deal found 12/30

$731

Find flight deals from Kansas City to Ontario

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$299 (Kiwi.com)
One-way from	$152 (United Airlines)
Popular in	March
Cheapest in	February
Average price	$751

Provider with most accurate pricing for Kansas City-Toronto (YTO) flight deals.

Search Deals

Provider most trusted by Cheapflights users for Kansas City-Toronto (YTO) flights.

Search Deals

From Kansas City to Ontario

Search Deals

One-way flight from Kansas City to Ontario

Search Deals

High demand for flights, 8% potential price rise

Search Deals

Cheapest flight prices on average. 0% potential price decrease ($7 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Kansas City to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Kansas CityToronto

MCI - YYZ

MCIYYZ

Kansas City

Fri 1/23

7:00 am-6:47 am

1 stop22h 47m

Toronto Pearson Intl

Sun 1/25

8:00 pm-11:33 pm

1 stop28h 33m

$322

Kansas CityOttawa

MCI - YOW

MCIYOW

Kansas City

Mon 2/2

3:24 pm-9:18 pm

1 stop4h 54m

Ottawa

Fri 2/6

5:11 pm-9:59 pm

1 stop5h 48m

$348

Kansas CityOttawa

MCI - YOW

MCIYOW

Kansas City

Mon 1/12

11:29 am-9:18 pm

1 stop8h 49m

Ottawa

Tue 1/20

2:15 pm-9:59 pm

2 stops8h 44m

$348

Kansas CityOttawa

MCI - YOW

MCIYOW

Kansas City

Sat 2/14

9:10 am-5:07 pm

1 stop6h 57m

Ottawa

Sat 2/21

2:15 pm-8:06 pm

1 stop6h 51m

$348

Kansas CityOttawa

MCI - YOW

MCIYOW

Kansas City

Thu 1/15

8:00 am-5:12 pm

1 stop8h 12m

Ottawa

Sun 1/18

6:20 am-10:32 am

1 stop5h 12m

$348

Kansas CityOttawa

MCI - YOW

MCIYOW

Kansas City

Thu 2/12

9:10 am-9:18 pm

1 stop11h 08m

Ottawa

Thu 2/19

9:45 am-9:59 pm

2 stops13h 14m

$358

Kansas CityMontreal

MCI - YUL

MCIYUL

Kansas City

Sat 2/14

7:05 am-11:29 pm

1 stop15h 24m

Montreal Pierre Elliott Trudeau Intl

Sat 2/21

7:00 am-10:49 pm

1 stop16h 49m

$377

Kansas CityMontreal

MCI - YUL

MCIYUL

Kansas City

Wed 2/4

7:00 am-7:05 am

2 stops23h 05m

Montreal Pierre Elliott Trudeau Intl

Sat 2/7

8:00 am-10:31 am

1 stop27h 31m

$377

Kansas CityMontreal

MCI - YUL

MCIYUL

Kansas City

Wed 2/4

5:21 pm-3:08 pm

1 stop20h 47m

Montreal Pierre Elliott Trudeau Intl

Sat 2/7

7:00 am-11:59 pm

1 stop17h 59m

$381

Kansas CityToronto

MCI - YYZ

MCIYYZ

Kansas City

Tue 5/19

6:00 am-10:37 pm

1 stop15h 37m

Toronto Pearson Intl

Tue 5/26

6:30 am-11:07 am

1 stop29h 37m

$397

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/30

Showing 1-10 of 38 results

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, November is the cheapest month in which you can book a flight from Kansas City to Region of Ontario (average of $266). Flying from Kansas City to Region of Ontario in September is currently the most expensive (average of $729). 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.

How much does it cost to fly round-trip from Kansas City to Region of Ontario?

Reviews of airlines servicing Ontario

Read reviews from past customers who have flown Delta, 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.

Delta

7.9

Good

8,012 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Delta

7.9

Good

8,012 reviews

Delta

7.9

Good

8,012 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

United Airlines

7.4

Good

9,122 reviews

Delta

7.9

Good

8,012 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

American Airlines

7.2

Good

11,070 reviews

Delta

7.9

Good

8,012 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

WestJet

7.2

Good

3,228 reviews

Delta

7.9

Good

8,012 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

Air Canada

7.1

Good

10,571 reviews

Delta

7.9

Good

8,012 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

Related info for your journey

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.
How long is the flight from Kansas City to Region of Ontario?
United Airlines, American Airlines, and Alaska Airlines can get you from Kansas City to Region of Ontario in just under 4h 54m. Your travel time can differ by up to 17h 42m. There are 1055 mi between Kansas City and Region of Ontario. This flight may include one or multiple stops.
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 $162 on American Airlines. Other airlines that offer cheap prices include Delta from $194 and WestJet from $335 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.
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, November is the cheapest month in which you can book a flight from Kansas City to Region of Ontario (average of $266). Flying from Kansas City to Region of Ontario in September is currently the most expensive (average of $729). 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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Kansas City to Ontario

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Springfield to Pearson Intl flights

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Joplin to Pearson Intl flights

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Columbia to Pearson Intl flights

Kansas City to St. John's flights

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Columbia to Pierre Elliott Trudeau Intl flights

St. Louis to Sydney flights

Joplin to Pierre Elliott Trudeau Intl flights

St. Louis to Grande Prairie flights

Springfield to Toronto Island flights

Complete your trip

Region of Ontario car rentals

Toronto Pearson Intl Airport car rentals

Ottawa Airport car rentals

Toronto Island Airport car rentals

Hamilton Airport car rentals

London Airport car rentals

Thunder Bay Airport car rentals

Toronto Region of Waterloo Intl Airport car rentals

Sault Ste Marie Airport car rentals

Timmins Airport car rentals

Kingston Airport car rentals

Sarnia Airport car rentals

Top 5 airlines flying from Kansas City to Ontario

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	Cheapest$292	Average$688	FlexibilityNo cancel fee	On-time67%
United Airlines	Cheapest$465	Average$787	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$519	Average$661	FlexibilityNo cancel fee	On-time71%
WestJet	Cheapest$525	Average$748	FlexibilityNo cancel fee	On-time60%
Delta	Cheapest$567	Average$722	FlexibilityNo cancel fee	On-timeN/A

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$152+ 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 2/14. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheap flight deals from Kansas City to Ontario

Cheapest flights from Kansas City to OntarioExplore 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 December 31, 2025.

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 December 31, 2025.

Find 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 December 31, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Kansas City to Ontario that are best for you.

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.

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?

How much does it cost to fly round-trip from Kansas City to Region of Ontario?

Reviews of airlines servicing Ontario

Read reviews from past customers who have flown Delta, 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.

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?

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

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

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

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

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

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

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

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Alternative routes for Kansas City to Ontario

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Top 5 airlines flying from Kansas City to Ontario

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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 December 31, 2025.