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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to West Yellowstone from $872

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 5/15. 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
0 bags

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

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:25 pm - 1:28 pm
YUL
-
WYS
21h 03m
2 stops
United Airlines Logo
5:45 pm - 5:25 pm
WYS
-
YUL
21h 40m
2 stops
$872United Airlines
Fri, May 15 - Fri, May 22
United Airlines Logo
8:10 am - 1:28 pm
YUL
-
WYS
7h 18m
1 stop
United Airlines Logo
2:19 pm - 10:40 am
WYS
-
YUL
18h 21m
2 stops
$1,074United Airlines
Fri, May 15 - Fri, May 22
United Airlines Logo
8:10 am - 1:28 pm
YUL
-
WYS
7h 18m
1 stop
United Airlines Logo
5:45 pm - 3:28 pm
WYS
-
YUL
19h 43m
1 stop
$1,164United Airlines
Fri, May 15 - Fri, May 22

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
May 15
YUL6:25 pmMontreal Pierre Elliott Trudeau Intl
21h 03m
2 stops
WYS1:28 pmWest Yellowstone
May 22
WYS5:45 pmWest Yellowstone
21h 40m
2 stops
YUL5:25 pmMontreal Pierre Elliott Trudeau Intl
$872
United Airlines
May 15
YUL8:10 amMontreal Pierre Elliott Trudeau Intl
7h 18m
1 stop
WYS1:28 pmWest Yellowstone
May 22
WYS2:19 pmWest Yellowstone
18h 21m
2 stops
YUL10:40 amMontreal Pierre Elliott Trudeau Intl
$1,074
United Airlines
May 15
YUL8:10 amMontreal Pierre Elliott Trudeau Intl
7h 18m
1 stop
WYS1:28 pmWest Yellowstone
May 22
WYS5:45 pmWest Yellowstone
19h 43m
1 stop
YUL3:28 pmMontreal Pierre Elliott Trudeau Intl
$1,164

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 832,500 searches. Data last updated April 5, 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

Fri 5/15

6:25 pm-1:28 pm

2 stops21h 03m

West Yellowstone

Fri 5/22

5:45 pm-5:25 pm

2 stops21h 40m

$872
Quickest round-trip

MontrealWest Yellowstone

YUL - WYS

YULWYS

Montreal Pierre Elliott Trudeau Intl

Fri 5/15

8:10 am-1:28 pm

1 stop7h 18m

West Yellowstone

Fri 5/22

2:19 pm-10:40 am

2 stops18h 21m

$1,074

MontrealWest Yellowstone

YUL - WYS

YULWYS

Montreal Pierre Elliott Trudeau Intl

Fri 5/15

8:10 am-1:28 pm

1 stop7h 18m

West Yellowstone

Fri 5/22

5:45 pm-3:28 pm

1 stop19h 43m

$1,164

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

Fastest flight time

21h 03m

Direct flights

None
The fastest flight from Montreal Pierre Elliott Trudeau Intl Airport to West Yellowstone takes 21h 03m
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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Frequently asked questions about flying from Montreal Pierre Elliott Trudeau Intl Airport to West Yellowstone

  • How far is Montreal Pierre Elliott Trudeau Intl to West Yellowstone by plane?

    A flight from Montreal Pierre Elliott Trudeau Intl to West Yellowstone will travel around 1806.1 mi. In terms of flight time, this usually takes a little over 21h 03m.

  • 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 that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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.

Frequently asked questions about flying from Montreal Pierre Elliott Trudeau Intl Airport to West Yellowstone

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

    Search flight deals from Montreal Pierre Elliott Trudeau Intl Airport to West Yellowstone. While viewing offers you’ll have the option to create a Price Alert.

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

    With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

  • How does momondo find its flight prices?

    We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

Traveling to a place near West Yellowstone?

Book flights to West Yellowstone if you plan to visit one of these locations
Yellowstone National Park
Island 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 recognisable 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. All flights to West Yellowstone from Montreal on momondo can be compared and filtered by various policies on offer, including flexible booking.

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?

If you are not ready to book a flight from Montreal to West Yellowstone now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to West Yellowstone and let you know when they change.

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Tue 5/12
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