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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to West Yellowstone from C$ 459

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 12/6. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — WYS
28 May — 4 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Pierre Elliott Trudeau Intl to West Yellowstone

Enter your travel dates to find the best prices.

Cheapest flights from Pierre Elliott Trudeau Intl to West Yellowstone
Explore the most affordable flight options available from Pierre Elliott Trudeau Intl to West Yellowstone. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 April 2026.

Wed 27/56:00 a.m.
YUL
-
WYS
2 stops32h 25m
Delta
Wed 3/61:10 p.m.
WYS
-
YUL
2 stops32h 03m
Delta
Deal found 27/4C$ 733
Sat 5/94:55 p.m.
YUL
-
WYS
2 stops22h 25m
United Airlines
Wed 9/92:02 p.m.
WYS
-
YUL
2 stops24h 08m
United Airlines
Deal found 24/4C$ 874
Sun 24/56:10 a.m.
YUL
-
WYS
2 stops11h 52m
United Airlines
Wed 27/52:19 p.m.
WYS
-
YUL
2 stops18h 21m
United Airlines
Deal found 26/4C$ 875
Tue 11/88:00 p.m.
YUL
-
WYS
2 stops19h 20m
United Airlines
Mon 17/82:02 p.m.
WYS
-
YUL
2 stops14h 41m
United Airlines
Deal found 23/4C$ 1,172
Wed 27/58:10 a.m.
YUL
-
WYS
1 stop7h 22m
United Airlines
Wed 3/62:19 p.m.
WYS
-
YUL
2 stops18h 21m
United Airlines
Deal found 27/4C$ 1,329

Find flight deals from Pierre Elliott Trudeau Intl to West Yellowstone

Discover tips and strategies to find the most affordable flight options for your journey from Pierre Elliott Trudeau Intl (YUL) to West Yellowstone (WYS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 28 April 2026.

Round-trip from

C$ 733

One-way from

C$ 459
Delta
  • Delta
  • 27/5-3/6
  • 4 total stops
  • 64h 28m total
  • Montreal to West Yellowstone
Search Deals
United Airlines
  • United Airlines
  • 12/6
  • 2 total stops
  • 22h 37m total
  • Montreal to West Yellowstone
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Pierre Elliott Trudeau Intl 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 629,999 searches. Data last updated 28 April 2026.
Use the filters below to find and compare flights from Montreal Pierre Elliott Trudeau Intl Airport to West Yellowstone 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

Wed 27/5

6:00 a.m.-12:25 p.m.

2 stops32h 25m

West Yellowstone

Wed 3/6

1:10 p.m.-11:13 p.m.

2 stops32h 03m

C$ 733

MontrealWest Yellowstone

YUL - WYS

YULWYS

Montreal Pierre Elliott Trudeau Intl

Sat 5/9

4:55 p.m.-1:20 p.m.

2 stops22h 25m

West Yellowstone

Wed 9/9

2:02 p.m.-4:10 p.m.

2 stops24h 08m

C$ 874
Quickest round-trip

MontrealWest Yellowstone

YUL - WYS

YULWYS

Montreal Pierre Elliott Trudeau Intl

Sun 24/5

6:10 a.m.-4:02 p.m.

2 stops11h 52m

West Yellowstone

Wed 27/5

2:19 p.m.-10:40 a.m.

2 stops18h 21m

C$ 875

MontrealWest Yellowstone

YUL - WYS

YULWYS

Montreal Pierre Elliott Trudeau Intl

Tue 11/8

8:00 p.m.-1:20 p.m.

2 stops19h 20m

West Yellowstone

Mon 17/8

2:02 p.m.-6:43 a.m.

2 stops14h 41m

C$ 1,172
Cheapest one-way

MontrealWest Yellowstone

YUL - WYS

YULWYS

Montreal Pierre Elliott Trudeau Intl

Fri 12/6

4:55 p.m.-1:32 p.m.

2 stops22h 37m

C$ 459
Quickest one-way

MontrealWest Yellowstone

YUL - WYS

YULWYS

Montreal Pierre Elliott Trudeau Intl

Wed 10/6

8:10 a.m.-1:32 p.m.

1 stop7h 22m

C$ 678

MontrealWest Yellowstone

YUL - WYS

YULWYS

Montreal Pierre Elliott Trudeau Intl

Wed 10/6

7:00 a.m.-12:28 p.m.

2 stops31h 28m

C$ 747

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/4

Sorted by cheapest first

Best time to book a flight from Pierre Elliott Trudeau Intl to West Yellowstone

Have a flexible travel schedule? Discover the best time to fly to West Yellowstone from Pierre Elliott Trudeau Intl 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.

Related info for your journey

Find useful and relevant information for your journey from Pierre Elliott Trudeau Intl 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 Montreal Pierre Elliott Trudeau Intl?

    Most people fly into West Yellowstone (WYS) if they book a flight to West Yellowstone from Montreal Pierre Elliott Trudeau Intl. On average, Yellowstone has 0 inbound flights from Montreal Pierre Elliott Trudeau Intl per day from 0 airlines. West Yellowstone is conveniently located just 3.1 km from West Yellowstone’s city centre.

  • How long is the flight from Montreal Pierre Elliott Trudeau Intl Airport to West Yellowstone?

    Airlines like Delta and United Airlines fly from Montreal Pierre Elliott Trudeau Intl Airport to West Yellowstone in about 22h 25m. The time it takes to get you to your destination can typically vary by up to 10h. There are 2906 km between Montreal Pierre Elliott Trudeau Intl Airport and West Yellowstone. Both multi-stop and direct flights can be found to your destination and back.

  • Can I find deals for flights from Pierre Elliott Trudeau Intl to West Yellowstone that include hotel bookings?

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

  • How can I find direct flights from Pierre Elliott Trudeau Intl to West Yellowstone?

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

  • Can I find deals for business class flights from Pierre Elliott Trudeau Intl to West Yellowstone?

    Yes. Cheapflights offers flight deals from Pierre Elliott Trudeau Intl 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

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Alternative routes for Pierre Elliott Trudeau Intl to West Yellowstone

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