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Cheap flights from Ontario to Yellowstone National Park from C$ 452

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 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — WYS
18 Apr — 25 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ontario to Yellowstone National Park

Enter your travel dates to find the best prices.

Cheapest flights from Ontario to Yellowstone National Park
Explore the most affordable flight options available from Ontario to Yellowstone National Park. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 March 2026.

Mon 1/65:15 p.m.
YYZ
-
WYS
2 stops22h 17m
United Airlines
Thu 11/62:19 p.m.
WYS
-
YYZ
2 stops19h 10m
United Airlines
Deal found 16/3C$ 907
Tue 28/75:05 p.m.
YUL
-
WYS
2 stops22h 27m
United Airlines
Fri 31/75:45 p.m.
WYS
-
YUL
2 stops19h 15m
United Airlines
Deal found 15/3C$ 907
Sat 27/67:30 p.m.
YYZ
-
WYS
2 stops22h 59m
United Airlines
Thu 2/72:14 p.m.
WYS
-
YYZ
2 stops19h 17m
United Airlines
Deal found 17/3C$ 1,020
Mon 20/78:15 a.m.
YUL
-
WYS
1 stop7h 17m
United Airlines
Fri 31/75:45 p.m.
WYS
-
YUL
2 stops16h 15m
United Airlines
Deal found 15/3C$ 1,165
Tue 1/98:15 a.m.
YUL
-
WYS
1 stop7h 05m
United Airlines
Thu 10/92:02 p.m.
WYS
-
YUL
2 stops15h 46m
United Airlines
Deal found 17/3C$ 1,305
Mon 20/78:15 a.m.
YUL
-
WYS
1 stop7h 17m
Multiple Airlines
Fri 31/75:45 p.m.
WYS
-
YUL
1 stop21h 25m
Multiple Airlines
Deal found 15/3C$ 2,337
Mon 1/68:45 a.m.
YYZ
-
WYS
1 stop6h 47m
Multiple Airlines
Thu 11/62:19 p.m.
WYS
-
YYZ
2 stops14h 51m
Multiple Airlines
Deal found 16/3C$ 2,404
Tue 1/98:15 a.m.
YUL
-
WYS
1 stop7h 05m
Multiple Airlines
Thu 10/92:02 p.m.
WYS
-
YUL
1 stop23h 27m
Multiple Airlines
Deal found 17/3C$ 2,463

Find flight deals from Ontario to Yellowstone National Park

Keep the following information in mind while searching for Ontario to Yellowstone National Park flight deals. Data was last updated 19 March 2026.

Round-trip from

C$ 907

One-way from

C$ 452
United Airlines
  • United Airlines
  • 1/6-11/6
  • 4 total stops
  • 41h 27m total
  • Ontario to Yellowstone National Park
Search Deals
United Airlines
  • United Airlines
  • 6/7
  • 2 total stops
  • 22h 17m total
  • Ontario to Yellowstone National Park
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Yellowstone National Park 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 19 March 2026.
Use the filters below to find and compare flights from Ontario to Yellowstone National Park that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontrealWest Yellowstone

YUL - WYS

YULWYS

Montreal Pierre Elliott Trudeau Intl

Tue 28/7

5:05 p.m.-1:32 p.m.

2 stops22h 27m

West Yellowstone

Fri 31/7

5:45 p.m.-12:00 p.m.

2 stops16h 15m

C$ 907

MontrealWest Yellowstone

YUL - WYS

YULWYS

Montreal Pierre Elliott Trudeau Intl

Mon 20/7

6:30 p.m.-1:32 p.m.

2 stops21h 02m

West Yellowstone

Fri 31/7

5:45 p.m.-2:23 p.m.

2 stops18h 38m

C$ 907

MontrealWest Yellowstone

YUL - WYS

YULWYS

Montreal Pierre Elliott Trudeau Intl

Tue 1/9

5:05 p.m.-1:20 p.m.

2 stops22h 15m

West Yellowstone

Thu 10/9

2:02 p.m.-7:48 a.m.

2 stops15h 46m

C$ 910

TorontoWest Yellowstone

YYZ - WYS

YYZWYS

Toronto Pearson Intl

Sat 27/6

7:30 p.m.-4:29 p.m.

2 stops22h 59m

West Yellowstone

Thu 2/7

2:14 p.m.-11:31 a.m.

2 stops19h 17m

C$ 1,020
Quickest round-trip

TorontoWest Yellowstone

YYZ - WYS

YYZWYS

Toronto Pearson Intl

Mon 1/6

8:45 a.m.-1:32 p.m.

1 stop6h 47m

West Yellowstone

Thu 11/6

2:19 p.m.-11:23 p.m.

1 stop7h 04m

C$ 1,636

TorontoWest Yellowstone

YYZ - WYS

YYZWYS

Toronto Pearson Intl

Mon 1/6

8:45 a.m.-1:32 p.m.

1 stop6h 47m

West Yellowstone

Thu 11/6

2:19 p.m.-7:10 a.m.

2 stops14h 51m

C$ 2,404
Cheapest one-way
Quickest one-way

TorontoWest Yellowstone

YYZ - WYS

YYZWYS

Toronto Pearson Intl

Fri 10/7

10:45 a.m.-4:29 p.m.

1 stop7h 44m

C$ 452

TorontoWest Yellowstone

YYZ - WYS

YYZWYS

Toronto Pearson Intl

Thu 9/7

5:15 p.m.-1:32 p.m.

2 stops22h 17m

C$ 493

TorontoWest Yellowstone

YYZ - WYS

YYZWYS

Toronto Pearson Intl

Wed 8/7

4:18 p.m.-1:32 p.m.

1 stop23h 14m

C$ 691

Flights are sorted by cheapest round-trip flights first.

Deals found on 16/3

Sorted by cheapest first

Best time to book a flight from Ontario to Yellowstone National Park

Have a flexible travel schedule? Discover the best time to fly to Yellowstone National Park from Ontario 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 Ontario to Yellowstone National Park
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Yellowstone National Park. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Region of Ontario to Yellowstone National Park?

    United Airlines can get you from Region of Ontario to Yellowstone National Park in just under 22h 27m. Your travel time can differ by up to . Airlines will cover a distance of 2906 km.

  • Can I find deals for flights from Ontario to Yellowstone National Park that include hotel bookings?

    Yes. In addition to deals on Ontario to Yellowstone National Park flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Yellowstone National Park?

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

  • Can I find deals for business class flights from Ontario to Yellowstone National Park?

    Yes. Cheapflights offers flight deals from Ontario to Yellowstone National Park by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Alternative routes for Ontario to Yellowstone National Park

See prices for flight routes from nearby airports that may be better suited for you.
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