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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to West Yellowstone from C$ 2,576

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Montreal Pierre Elliott Trudeau Intl Airport to West Yellowstone departing on 18/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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Find the cheapest flights from Montreal Pierre Elliott Trudeau Intl Airport to West Yellowstone

Cheap round-trip flights

Logo
9:45 p.m. - 9:37 a.m.YUL-WYS
37h 52m2 stops
Logo
1:51 p.m. - 11:28 a.m.WYS-YUL
19h 37m2 stops
C$ 2,576
Find Deal
Thu, 18 Sep - Sun, 21 Sep
Logo
4:05 p.m. - 1:15 p.m.YUL-WYS
23h 10m1 stop
Logo
1:51 p.m. - 11:28 a.m.WYS-YUL
19h 37m2 stops
C$ 4,215
Find Deal
Thu, 18 Sep - Sun, 21 Sep
United Airlines Logo
4:05 p.m. - 1:15 p.m.YUL-WYS
23h 10m1 stop
United Airlines Logo
1:51 p.m. - 3:26 p.m.WYS-YUL
23h 35m1 stop
C$ 5,484United Airlines
Find Deal
Thu, 18 Sep - Sun, 21 Sep

United Airlines flights from Montreal Pierre Elliott Trudeau Intl Airport to West Yellowstone

Our best United Airlines deals on Montreal Pierre Elliott Trudeau Intl Airport to West Yellowstone flight tickets
United Airlines
1 Sep
YUL4:30 p.m.Montreal Pierre Elliott Trudeau Intl
19h 04m
2 stops
WYS9:34 a.m.West Yellowstone
8 Sep
WYS1:51 p.m.West Yellowstone
22h 59m
2 stops
YUL2:50 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,220
Find similar
United Airlines
5 Sep
YUL4:30 p.m.Montreal Pierre Elliott Trudeau Intl
19h 07m
2 stops
WYS9:37 a.m.West Yellowstone
26 Sep
WYS1:55 p.m.West Yellowstone
22h 55m
2 stops
YUL2:50 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,221
Find similar
United Airlines
1 Sep
YUL8:05 a.m.Montreal Pierre Elliott Trudeau Intl
7h 10m
1 stop
WYS1:15 p.m.West Yellowstone
8 Sep
WYS1:51 p.m.West Yellowstone
18h 44m
2 stops
YUL10:35 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,535
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Montreal Pierre Elliott Trudeau Intl Airport 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, momondo users made 96,600 searches. Data last updated 27 August 2025.
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

MontrealWest Yellowstone

YUL - WYS

YULWYS

Montreal Pierre Elliott Trudeau Intl

Thu 18/9

9:45 p.m.-9:37 a.m.

2 stops37h 52m

West Yellowstone

Sun 21/9

1:51 p.m.-11:28 a.m.

2 stops19h 37m

C$ 2,576

MontrealWest Yellowstone

YUL - WYS

YULWYS

Montreal Pierre Elliott Trudeau Intl

Thu 18/9

4:05 p.m.-1:15 p.m.

1 stop23h 10m

West Yellowstone

Sun 21/9

1:51 p.m.-11:28 a.m.

2 stops19h 37m

C$ 4,215

MontrealWest Yellowstone

YUL - WYS

YULWYS

Montreal Pierre Elliott Trudeau Intl

Thu 18/9

4:05 p.m.-1:15 p.m.

1 stop23h 10m

West Yellowstone

Sun 21/9

1:51 p.m.-3:26 p.m.

1 stop23h 35m

C$ 5,484

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Montreal Pierre Elliott Trudeau Intl Airport to West Yellowstone

Are you open to changing your travel dates? Check out the ideal times to fly from Montreal Pierre Elliott Trudeau Intl Airport to West Yellowstone according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Montreal Pierre Elliott Trudeau Intl Airport to West Yellowstone (YUL to WYS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Montreal Pierre Elliott Trudeau Intl Airport to West Yellowstone

Direct flights

None
There are no direct flights from Montreal Pierre Elliott Trudeau Intl Airport to West Yellowstone. There are no popular flight routes from Montreal Pierre Elliott Trudeau Intl Airport to West Yellowstone.
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  • How far is Montreal Pierre Elliott Trudeau Intl to West Yellowstone by plane?

    West Yellowstone is 2906.6 km away from Montreal Pierre Elliott Trudeau Intl. Flights usually cover this in 23h 10m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Montreal Pierre Elliott Trudeau Intl Airport to West Yellowstone Airport?

    Prices for flights from Montreal Pierre Elliott Trudeau Intl Airport to West Yellowstone Airport are updated daily.

  • How old do you have to be to fly from Montreal Pierre Elliott Trudeau Intl Airport to West Yellowstone Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Montreal Pierre Elliott Trudeau Intl Airport to West Yellowstone Airport.

  • What documentation or ID do you need to fly to West Yellowstone Airport?

    The required travel and health documents for your West Yellowstone Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at West Yellowstone Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • How do I get Price Alerts for flights from Montreal Pierre Elliott Trudeau Intl Airport to West Yellowstone?

    Price Alerts will notify you by email when the price for flights to West Yellowstone from Montreal Pierre Elliott Trudeau Intl Airport decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

  • How can I save money on flights from Montreal Pierre Elliott Trudeau Intl Airport to West Yellowstone with momondo?

    By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Travelling to a place near West Yellowstone?

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

Why use momondo?

Why should I use momondo to find a flight deal from Montreal to West Yellowstone?

Finding the right flight to West Yellowstone from Montreal is quick and easy when you have a range of options in front of you, from reputable agents and recognizable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to West Yellowstone quick and easy, saving you time and money.

Can I find flights from Montreal to West Yellowstone with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Montreal to West Yellowstone flights to just show those with flexible booking policies.

How can momondo help me find flights from Montreal to West Yellowstone?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to West Yellowstone from Montreal.

I’m not ready to book a flight from Montreal to West Yellowstone right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Montreal to West Yellowstone flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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