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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Key West from C$ 687

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 Key West departing on 14/12. 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
11:59 a.m. - 12:30 a.m.EYW-YUL
36h 31m2 stops
C$ 687Multiple Airlines
Find Deal
Sun, 14 Dec - Sat, 20 Dec
Multiple Airlines Logo
4:35 p.m. - 8:15 a.m.YUL-EYW
15h 40m1 stop
Multiple Airlines Logo
2:30 p.m. - 3:10 p.m.EYW-YUL
24h 40m1 stop
C$ 710Multiple Airlines
Find Deal
Sun, 14 Dec - Sat, 20 Dec
Multiple Airlines Logo
4:35 p.m. - 12:30 p.m.YUL-EYW
19h 55m1 stop
Multiple Airlines Logo
8:55 a.m. - 12:30 a.m.EYW-YUL
15h 35m1 stop
C$ 765Multiple Airlines
Find Deal
Sun, 21 Dec - Sun, 28 Dec
Multiple Airlines Logo
5:10 p.m. - 10:40 a.m.YUL-EYW
41h 30m2 stops
Multiple Airlines Logo
8:55 a.m. - 12:30 a.m.EYW-YUL
15h 35m1 stop
C$ 767Multiple Airlines
Find Deal
Sun, 21 Dec - Sun, 28 Dec
Delta Logo
12:45 p.m. - 7:44 p.m.YUL-EYW
6h 59m1 stop
Delta Logo
7:00 a.m. - 6:49 p.m.EYW-YUL
11h 49m2 stops
C$ 824Delta
Find Deal
Wed, 18 Mar - Wed, 25 Mar
Delta Logo
7:00 a.m. - 5:13 p.m.YUL-EYW
10h 13m1 stop
Delta Logo
6:00 p.m. - 11:54 p.m.EYW-YUL
5h 54m1 stop
C$ 825Delta
Find Deal
Tue, 31 Mar - Wed, 1 Apr
American Airlines Logo
7:00 a.m. - 6:30 p.m.YUL-EYW
11h 30m1 stop
American Airlines Logo
5:24 p.m. - 10:45 p.m.EYW-YUL
5h 21m1 stop
C$ 839American Airlines
Find Deal
Wed, 18 Mar - Wed, 25 Mar
American Airlines Logo
7:00 a.m. - 1:00 p.m.YUL-EYW
6h 00m1 stop
American Airlines Logo
3:08 p.m. - 10:45 p.m.EYW-YUL
7h 37m1 stop
C$ 841American Airlines
Find Deal
Wed, 18 Mar - Wed, 25 Mar
WestJet Logo
6:45 a.m. - 7:44 p.m.YUL-EYW
12h 59m2 stops
WestJet Logo
7:00 a.m. - 12:38 a.m.EYW-YUL
17h 38m2 stops
C$ 931WestJet
Find Deal
Wed, 18 Mar - Wed, 25 Mar
WestJet Logo
6:45 a.m. - 7:44 p.m.YUL-EYW
12h 59m2 stops
WestJet Logo
11:45 a.m. - 12:38 a.m.EYW-YUL
12h 53m2 stops
C$ 932WestJet
Find Deal
Wed, 18 Mar - Wed, 25 Mar

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
18 Mar
YUL12:45 p.m.Montreal Pierre Elliott Trudeau Intl
6h 59m
1 stop
EYW7:44 p.m.Key West
25 Mar
EYW7:00 a.m.Key West
11h 49m
2 stops
YUL6:49 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 824
Find similar
Delta
31 Mar
YUL7:00 a.m.Montreal Pierre Elliott Trudeau Intl
10h 13m
1 stop
EYW5:13 p.m.Key West
1 Apr
EYW6:00 p.m.Key West
5h 54m
1 stop
YUL11:54 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 825
Find similar
Delta
18 Mar
YUL12:45 p.m.Montreal Pierre Elliott Trudeau Intl
6h 59m
1 stop
EYW7:44 p.m.Key West
25 Mar
EYW7:00 a.m.Key West
11h 49m
2 stops
YUL6:49 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 827
Find similar

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

Our best American Airlines deals on Montreal Pierre Elliott Trudeau Intl Airport to Key West flight tickets
American Airlines
18 Mar
YUL7:00 a.m.Montreal Pierre Elliott Trudeau Intl
11h 30m
1 stop
EYW6:30 p.m.Key West
25 Mar
EYW5:24 p.m.Key West
5h 21m
1 stop
YUL10:45 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 839
Find similar
American Airlines
18 Mar
YUL7:00 a.m.Montreal Pierre Elliott Trudeau Intl
6h 00m
1 stop
EYW1:00 p.m.Key West
25 Mar
EYW3:08 p.m.Key West
7h 37m
1 stop
YUL10:45 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 841
Find similar
American Airlines
14 Dec
YUL2:29 p.m.Montreal Pierre Elliott Trudeau Intl
7h 16m
1 stop
EYW9:45 p.m.Key West
20 Dec
EYW8:00 a.m.Key West
14h 39m
1 stop
YUL10:39 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 852
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 6 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

Sun 14/12

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

1 stop15h 40m

Key West

Sat 20/12

11:59 a.m.-12:30 a.m.

2 stops36h 31m

C$ 687

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Sun 14/12

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

1 stop15h 40m

Key West

Sat 20/12

2:30 p.m.-3:10 p.m.

1 stop24h 40m

C$ 710

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Sun 21/12

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

1 stop19h 55m

Key West

Sun 28/12

8:55 a.m.-12:30 a.m.

1 stop15h 35m

C$ 765

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Sun 21/12

5:10 p.m.-10:40 a.m.

2 stops41h 30m

Key West

Sun 28/12

8:55 a.m.-12:30 a.m.

1 stop15h 35m

C$ 767

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Wed 18/3

12:45 p.m.-7:44 p.m.

1 stop6h 59m

Key West

Wed 25/3

7:00 a.m.-6:49 p.m.

2 stops11h 49m

C$ 824

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Tue 31/3

7:00 a.m.-5:13 p.m.

1 stop10h 13m

Key West

Wed 1/4

6:00 p.m.-11:54 p.m.

1 stop5h 54m

C$ 825

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Wed 18/3

7:00 a.m.-6:30 p.m.

1 stop11h 30m

Key West

Wed 25/3

5:24 p.m.-10:45 p.m.

1 stop5h 21m

C$ 839

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Wed 18/3

7:00 a.m.-1:00 p.m.

1 stop6h 00m

Key West

Wed 25/3

3:08 p.m.-10:45 p.m.

1 stop7h 37m

C$ 841

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Wed 18/3

6:45 a.m.-7:44 p.m.

2 stops12h 59m

Key West

Wed 25/3

7:00 a.m.-12:38 a.m.

2 stops17h 38m

C$ 931

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Wed 18/3

6:45 a.m.-7:44 p.m.

2 stops12h 59m

Key West

Wed 25/3

11:45 a.m.-12:38 a.m.

2 stops12h 53m

C$ 932

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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$ 431. 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$ 1,285.

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$ 191. Try not to purchase tickets at noon because they tend to be around C$ 1,127. 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 00m.

  • 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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