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West Yellowstone

$648+ Cheap flights from Ontario to West Yellowstone (WYS)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/19. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — WYS
Apr 20 — Apr 271
Mon 4/20
Mon 4/27
1 adult, Economy
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Cheap flight deals from Ontario to West Yellowstone

Cheapest flights from Ontario to West Yellowstone
Explore the most affordable flight options available from Ontario to West Yellowstone. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 21, 2026.

This United Airlines deal was found by Cheapflights users on 3/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/1910:45 am
YYZ
-
WYS
1 stop7h 44m
United Airlines
Sat 7/255:45 pm
WYS
-
YYZ
2 stops14h 09m
United Airlines
Deal found 3/20$648
This United Airlines deal was found by Cheapflights users on 3/16. 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.
Tue 7/286:30 pm
YUL
-
WYS
2 stops21h 02m
United Airlines
Fri 7/315:45 pm
WYS
-
YUL
2 stops19h 15m
United Airlines
Deal found 3/16$663
This United Airlines deal was found by Cheapflights users on 3/17. 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.
Sat 6/277:30 pm
YYZ
-
WYS
2 stops22h 59m
United Airlines
Thu 7/22:14 pm
WYS
-
YYZ
2 stops19h 17m
United Airlines
Deal found 3/17$744
This United Airlines deal was found by Cheapflights users on 3/19. 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.
Mon 5/254:30 pm
YUL
-
WYS
2 stops23h 02m
United Airlines
Sat 5/305:45 pm
WYS
-
YUL
2 stops14h 55m
United Airlines
Deal found 3/19$750
This United Airlines deal was found by Cheapflights users on 3/17. 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.
Tue 9/18:15 am
YUL
-
WYS
1 stop7h 05m
United Airlines
Thu 9/102:02 pm
WYS
-
YUL
2 stops15h 46m
United Airlines
Deal found 3/17$952

Find flight deals from Ontario to West Yellowstone

Keep the following information in mind while searching for Ontario to West Yellowstone flight deals. Data was last updated March 21, 2026.

Round-trip from

$648
(United Airlines)

One-way from

$330
(United Airlines)
From Ontario to West Yellowstone
Search Deals
One-way flight from Ontario to West Yellowstone
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to West Yellowstone 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 March 21, 2026.
Use the filters below to find and compare flights from Ontario to West Yellowstone that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

TorontoWest Yellowstone

YYZ - WYS

YYZWYS

Toronto Pearson Intl

Sun 7/19

10:45 am-4:29 pm

1 stop7h 44m

West Yellowstone

Sat 7/25

5:45 pm-9:54 am

2 stops14h 09m

$648

MontrealWest Yellowstone

YUL - WYS

YULWYS

Montreal Pierre Elliott Trudeau Intl

Tue 7/28

6:30 pm-1:32 pm

2 stops21h 02m

West Yellowstone

Fri 7/31

5:45 pm-3:00 pm

2 stops19h 15m

$663

MontrealWest Yellowstone

YUL - WYS

YULWYS

Montreal Pierre Elliott Trudeau Intl

Tue 9/1

5:05 pm-1:20 pm

2 stops22h 15m

West Yellowstone

Thu 9/10

2:02 pm-7:48 am

2 stops15h 46m

$664

TorontoWest Yellowstone

YYZ - WYS

YYZWYS

Toronto Pearson Intl

Sat 6/27

7:30 pm-4:29 pm

2 stops22h 59m

West Yellowstone

Thu 7/2

2:14 pm-11:31 am

2 stops19h 17m

$744

MontrealWest Yellowstone

YUL - WYS

YULWYS

Montreal Pierre Elliott Trudeau Intl

Mon 5/25

8:10 am-1:32 pm

1 stop7h 22m

West Yellowstone

Sat 5/30

5:45 pm-10:40 am

2 stops14h 55m

$1,022

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/20

Sorted by cheapest first

Best time to book a flight from Ontario to West Yellowstone

Have a flexible travel schedule? Discover the best time to fly to West Yellowstone 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 West Yellowstone
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 West Yellowstone. 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 into for flights to West Yellowstone from Ontario?

    Most people fly into West Yellowstone (WYS) if they book a flight to West Yellowstone from Ontario. Yellowstone is conveniently located just 1.9 mi from West Yellowstone’s city center.

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

    Departing from Region of Ontario to West Yellowstone will take you 7h 44m. The distance between Region of Ontario and West Yellowstone is about 1551 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ontario to West Yellowstone 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

Traveling to a place near West Yellowstone?

Book flights to West Yellowstone if you plan to visit one of these locations
Island Park

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