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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Key West from C$ 254

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 18/4. 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
8:00 a.m. - 1:30 p.m.
YUL
-
EYW
29h 30m1 stop
Multiple Airlines Logo
12:51 p.m. - 12:43 a.m.
EYW
-
YUL
35h 52m2 stops
C$ 476Multiple Airlines
Sun, 18 Jan - Sun, 25 Jan
Multiple Airlines Logo
8:00 a.m. - 1:30 p.m.
YUL
-
EYW
29h 30m1 stop
Multiple Airlines Logo
12:51 p.m. - 4:22 p.m.
EYW
-
YUL
27h 31m1 stop
C$ 504Multiple Airlines
Sun, 18 Jan - Sun, 25 Jan
Multiple Airlines Logo
8:00 a.m. - 11:56 a.m.
YUL
-
EYW
27h 56m1 stop
Multiple Airlines Logo
10:49 a.m. - 4:22 p.m.
EYW
-
YUL
29h 33m2 stops
C$ 610Multiple Airlines
Sat, 17 Jan - Sat, 24 Jan
Delta Logo
7:30 p.m. - 7:40 p.m.
YUL
-
EYW
24h 10m2 stops
Delta Logo
6:06 p.m. - 8:44 a.m.
EYW
-
YUL
14h 38m2 stops
C$ 635Delta
Fri, 16 Jan - Fri, 23 Jan
Delta Logo
7:30 p.m. - 7:42 p.m.
YUL
-
EYW
24h 12m2 stops
Delta Logo
2:46 p.m. - 8:37 a.m.
EYW
-
YUL
17h 51m2 stops
C$ 650Delta
Wed, 25 Feb - Thu, 5 Mar
Multiple Airlines Logo
1:40 p.m. - 1:30 p.m.
YUL
-
EYW
23h 50m3 stops
Multiple Airlines Logo
2:30 p.m. - 4:30 p.m.
EYW
-
YUL
26h 00m3 stops
C$ 716Multiple Airlines
Fri, 2 Jan - Wed, 7 Jan
Multiple Airlines Logo
1:40 p.m. - 1:30 p.m.
YUL
-
EYW
23h 50m3 stops
Multiple Airlines Logo
2:25 p.m. - 4:30 p.m.
EYW
-
YUL
26h 05m3 stops
C$ 745Multiple Airlines
Fri, 2 Jan - Fri, 9 Jan
Multiple Airlines Logo
5:25 p.m. - 9:06 a.m.
YUL
-
EYW
15h 41m2 stops
Multiple Airlines Logo
12:15 p.m. - 12:45 a.m.
EYW
-
YUL
12h 30m1 stop
C$ 748Multiple Airlines
Wed, 25 Feb - Thu, 5 Mar
Multiple Airlines Logo
1:40 p.m. - 1:30 p.m.
YUL
-
EYW
23h 50m3 stops
Multiple Airlines Logo
2:30 p.m. - 12:30 a.m.
EYW
-
YUL
10h 00m2 stops
C$ 749Multiple Airlines
Fri, 2 Jan - Wed, 7 Jan
Multiple Airlines Logo
6:45 a.m. - 1:30 p.m.
YUL
-
EYW
6h 45m1 stop
Multiple Airlines Logo
2:25 p.m. - 4:22 p.m.
EYW
-
YUL
25h 57m1 stop
C$ 768Multiple Airlines
Fri, 16 Jan - Fri, 23 Jan

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
16 Jan
YUL7:30 p.m.Montreal Pierre Elliott Trudeau Intl
24h 10m
2 stops
EYW7:40 p.m.Key West
23 Jan
EYW6:06 p.m.Key West
14h 38m
2 stops
YUL8:44 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 635
Find similar
Delta
25 Feb
YUL7:30 p.m.Montreal Pierre Elliott Trudeau Intl
24h 12m
2 stops
EYW7:42 p.m.Key West
5 Mar
EYW2:46 p.m.Key West
17h 51m
2 stops
YUL8:37 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 650
Find similar
Delta
26 Feb
YUL9:29 a.m.Montreal Pierre Elliott Trudeau Intl
10h 13m
2 stops
EYW7:42 p.m.Key West
5 Mar
EYW2:46 p.m.Key West
17h 51m
2 stops
YUL8:37 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 798
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
8 Apr
YUL7:35 a.m.Montreal Pierre Elliott Trudeau Intl
10h 46m
2 stops
EYW6:21 p.m.Key West
15 Apr
EYW6:39 p.m.Key West
16h 36m
1 stop
YUL11:15 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 837
Find similar
American Airlines
20 Feb
YUL7:12 a.m.Montreal Pierre Elliott Trudeau Intl
15h 31m
1 stop
EYW10:43 p.m.Key West
25 Feb
EYW3:20 p.m.Key West
7h 24m
1 stop
YUL10:44 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 848
Find similar
American Airlines
20 Feb
YUL7:30 a.m.Montreal Pierre Elliott Trudeau Intl
15h 13m
2 stops
EYW10:43 p.m.Key West
25 Feb
EYW3:20 p.m.Key West
7h 24m
1 stop
YUL10:44 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 861
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 4 December 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 18/1

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

1 stop29h 30m

Key West

Sun 25/1

12:51 p.m.-12:43 a.m.

2 stops35h 52m

C$ 476

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Sun 18/1

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

1 stop29h 30m

Key West

Sun 25/1

12:51 p.m.-4:22 p.m.

1 stop27h 31m

C$ 504

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Sat 17/1

8:00 a.m.-11:56 a.m.

1 stop27h 56m

Key West

Sat 24/1

10:49 a.m.-4:22 p.m.

2 stops29h 33m

C$ 610

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Fri 16/1

7:30 p.m.-7:40 p.m.

2 stops24h 10m

Key West

Fri 23/1

6:06 p.m.-8:44 a.m.

2 stops14h 38m

C$ 635

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Wed 25/2

7:30 p.m.-7:42 p.m.

2 stops24h 12m

Key West

Thu 5/3

2:46 p.m.-8:37 a.m.

2 stops17h 51m

C$ 650

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Fri 2/1

1:40 p.m.-1:30 p.m.

3 stops23h 50m

Key West

Wed 7/1

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

3 stops26h 00m

C$ 716

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Fri 2/1

1:40 p.m.-1:30 p.m.

3 stops23h 50m

Key West

Fri 9/1

2:25 p.m.-4:30 p.m.

3 stops26h 05m

C$ 745

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Wed 25/2

5:25 p.m.-9:06 a.m.

2 stops15h 41m

Key West

Thu 5/3

12:15 p.m.-12:45 a.m.

1 stop12h 30m

C$ 748

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Fri 2/1

1:40 p.m.-1:30 p.m.

3 stops23h 50m

Key West

Wed 7/1

2:30 p.m.-12:30 a.m.

2 stops10h 00m

C$ 749

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Fri 16/1

6:45 a.m.-1:30 p.m.

1 stop6h 45m

Key West

Fri 23/1

2:25 p.m.-4:22 p.m.

1 stop25h 57m

C$ 768

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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$ 426. 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$ 1,271.

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$ 1,115. 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

Fastest flight time

6h 45m

Direct flights

None
The fastest flight from Montreal Pierre Elliott Trudeau Intl Airport to Key West takes 6h 45m
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.
Search flight deals

  • 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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