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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Key West from C$ 326

This is the cheapest one-way 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 Key West departing on 24/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Montreal Pierre Elliott Trudeau Intl Airport to Key West

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
4:35 p.m. - 8:15 a.m.YUL-EYW
15h 40m1 stop
Multiple Airlines Logo
1:06 p.m. - 12:30 a.m.EYW-YUL
11h 24m1 stop
C$ 532Multiple Airlines
Find Deal
Wed, 31 Dec - Fri, 9 Jan
Multiple Airlines Logo
4:35 p.m. - 8:15 a.m.YUL-EYW
15h 40m1 stop
Multiple Airlines Logo
10:06 a.m. - 8:14 p.m.EYW-YUL
10h 08m2 stops
C$ 548Multiple Airlines
Find Deal
Wed, 31 Dec - Thu, 8 Jan
Multiple Airlines Logo
4:35 p.m. - 12:30 p.m.YUL-EYW
19h 55m1 stop
Multiple Airlines Logo
1:06 p.m. - 12:30 a.m.EYW-YUL
11h 24m1 stop
C$ 570Multiple Airlines
Find Deal
Thu, 1 Jan - Fri, 9 Jan
Multiple Airlines Logo
4:35 p.m. - 12:30 p.m.YUL-EYW
19h 55m1 stop
Multiple Airlines Logo
10:06 a.m. - 8:14 p.m.EYW-YUL
10h 08m2 stops
C$ 587Multiple Airlines
Find Deal
Thu, 1 Jan - Thu, 8 Jan
Multiple Airlines Logo
8:00 a.m. - 1:30 p.m.YUL-EYW
29h 30m1 stop
Multiple Airlines Logo
10:49 a.m. - 4:28 p.m.EYW-YUL
29h 39m2 stops
C$ 630Multiple Airlines
Find Deal
Thu, 8 Jan - Wed, 14 Jan
Multiple Airlines Logo
5:25 p.m. - 1:30 p.m.YUL-EYW
20h 05m2 stops
Multiple Airlines Logo
1:06 p.m. - 12:30 a.m.EYW-YUL
11h 24m1 stop
C$ 632Multiple Airlines
Find Deal
Tue, 30 Dec - Fri, 9 Jan
Multiple Airlines Logo
4:35 p.m. - 8:15 a.m.YUL-EYW
15h 40m1 stop
Multiple Airlines Logo
1:06 p.m. - 12:30 a.m.EYW-YUL
11h 24m1 stop
C$ 651Multiple Airlines
Find Deal
Sat, 3 Jan - Fri, 9 Jan
Multiple Airlines Logo
5:10 p.m. - 1:30 p.m.YUL-EYW
20h 20m2 stops
Multiple Airlines Logo
2:30 p.m. - 4:23 p.m.EYW-YUL
25h 53m1 stop
C$ 657Multiple Airlines
Find Deal
Thu, 18 Dec - Mon, 22 Dec
Multiple Airlines Logo
10:15 a.m. - 7:07 a.m.YUL-EYW
20h 52m2 stops
Multiple Airlines Logo
1:06 p.m. - 12:30 a.m.EYW-YUL
11h 24m1 stop
C$ 660Multiple Airlines
Find Deal
Fri, 2 Jan - Fri, 9 Jan
Multiple Airlines Logo
4:35 p.m. - 8:15 a.m.YUL-EYW
15h 40m1 stop
Multiple Airlines Logo
10:06 a.m. - 8:14 p.m.EYW-YUL
10h 08m2 stops
C$ 668Multiple Airlines
Find Deal
Sat, 3 Jan - Thu, 8 Jan

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

Our best United Airlines deals on Montreal Pierre Elliott Trudeau Intl Airport to Key West flight tickets
United Airlines
8 Jan
YUL6:00 p.m.Montreal Pierre Elliott Trudeau Intl
41h 26m
2 stops
EYW11:26 a.m.Key West
14 Jan
EYW6:05 p.m.Key West
21h 56m
2 stops
YUL4:01 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 728
Find similar
United Airlines
3 Apr
YUL6:15 p.m.Montreal Pierre Elliott Trudeau Intl
21h 35m
2 stops
EYW3:50 p.m.Key West
6 Apr
EYW4:45 p.m.Key West
17h 52m
2 stops
YUL10:37 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 821
Find similar
United Airlines
31 Mar
YUL11:23 a.m.Montreal Pierre Elliott Trudeau Intl
6h 17m
1 stop
EYW5:40 p.m.Key West
1 Apr
EYW6:22 p.m.Key West
5h 51m
1 stop
YUL12:13 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 827
Find similar

Delta flights from Montreal Pierre Elliott Trudeau Intl Airport to Key West

Our best Delta deals on Montreal Pierre Elliott Trudeau Intl Airport to Key West flight tickets
Delta
31 Dec
YUL11:59 a.m.Montreal Pierre Elliott Trudeau Intl
25h 38m
1 stop
EYW1:37 p.m.Key West
7 Jan
EYW7:10 a.m.Key West
11h 27m
2 stops
YUL6:37 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 719
Find similar
Delta
31 Dec
YUL11:59 a.m.Montreal Pierre Elliott Trudeau Intl
25h 38m
1 stop
EYW1:37 p.m.Key West
8 Jan
EYW1:28 p.m.Key West
19h 16m
1 stop
YUL8:44 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 776
Find similar
Delta
31 Dec
YUL11:59 a.m.Montreal Pierre Elliott Trudeau Intl
25h 38m
1 stop
EYW1:37 p.m.Key West
10 Jan
EYW7:10 a.m.Key West
6h 24m
1 stop
YUL1:34 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 825
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Montreal Pierre Elliott Trudeau Intl Airport to Key West 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 13 November 2025.
Use the filters below to find and compare flights from Montreal Pierre Elliott Trudeau Intl Airport to Key West that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Wed 31/12

4:35 p.m.-8:15 a.m.

1 stop15h 40m

Key West

Fri 9/1

1:06 p.m.-12:30 a.m.

1 stop11h 24m

C$ 532

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Wed 31/12

4:35 p.m.-8:15 a.m.

1 stop15h 40m

Key West

Thu 8/1

10:06 a.m.-8:14 p.m.

2 stops10h 08m

C$ 548

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Thu 1/1

4:35 p.m.-12:30 p.m.

1 stop19h 55m

Key West

Fri 9/1

1:06 p.m.-12:30 a.m.

1 stop11h 24m

C$ 570

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Thu 1/1

4:35 p.m.-12:30 p.m.

1 stop19h 55m

Key West

Thu 8/1

10:06 a.m.-8:14 p.m.

2 stops10h 08m

C$ 587

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Thu 8/1

8:00 a.m.-1:30 p.m.

1 stop29h 30m

Key West

Wed 14/1

10:49 a.m.-4:28 p.m.

2 stops29h 39m

C$ 630

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Tue 30/12

5:25 p.m.-1:30 p.m.

2 stops20h 05m

Key West

Fri 9/1

1:06 p.m.-12:30 a.m.

1 stop11h 24m

C$ 632

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Sat 3/1

4:35 p.m.-8:15 a.m.

1 stop15h 40m

Key West

Fri 9/1

1:06 p.m.-12:30 a.m.

1 stop11h 24m

C$ 651

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Thu 18/12

5:10 p.m.-1:30 p.m.

2 stops20h 20m

Key West

Mon 22/12

2:30 p.m.-4:23 p.m.

1 stop25h 53m

C$ 657

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Fri 2/1

10:15 a.m.-7:07 a.m.

2 stops20h 52m

Key West

Fri 9/1

1:06 p.m.-12:30 a.m.

1 stop11h 24m

C$ 660

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Sat 3/1

4:35 p.m.-8:15 a.m.

1 stop15h 40m

Key West

Thu 8/1

10:06 a.m.-8:14 p.m.

2 stops10h 08m

C$ 668

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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See travel insights to Key West from

How to get the cheapest flight ticket from Montreal Pierre Elliott Trudeau Intl Airport to Key West

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Key West?

According to our data, Monday is the cheapest day to fly to Key West from Montreal Pierre Elliott Trudeau Intl Airport. The lowest ticket price found for a Monday departure recently was C$ 428. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Key West on Sunday is C$ 1,276.

What is the cheapest time of day to depart on your flight to Key West?

Our most recent data shows that the best time of day to fly to Key West is in the afternoon. Flights from Montreal Pierre Elliott Trudeau Intl Airport to Key West during this time can be as low as C$ 189. Try not to purchase tickets at noon because they tend to be around C$ 1,119. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

Are you open to changing your travel dates? Check out the ideal times to fly from Montreal Pierre Elliott Trudeau Intl Airport to Key West 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 Key West (YUL to EYW) flight deals and tips

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

Direct flights

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

    There are 2432.7 km between Montreal Pierre Elliott Trudeau Intl and Key West. By plane, this route typically takes 6h 17m.

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

    Prices for flights from Montreal Pierre Elliott Trudeau Intl Airport to Key West Airport were last updated today.

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Montreal Pierre Elliott Trudeau Intl Airport to Key West Airport.

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

    The travel and health documents you'll need for your trip to Key West Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Key West Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Travelling to a place near Key West?

Book flights to Key West if you plan to visit one of these locations
Little Torch Key

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Montreal to Key West for you.

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

All flight searches from Montreal to Key West on momondo can be filtered to show those which offer flexible booking policies.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Montreal to Key West.

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

Yes. momondo can track prices for Montreal to Key West 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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