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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Key West from C$ 233

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 1/2. 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
9:46 a.m. - 12:30 a.m.
EYW
-
YUL
14h 44m1 stop
C$ 515Multiple Airlines
Thu, 5 Feb - Sun, 8 Feb
Multiple Airlines Logo
5:25 p.m. - 12:26 p.m.
YUL
-
EYW
19h 01m2 stops
Multiple Airlines Logo
9:46 a.m. - 12:30 a.m.
EYW
-
YUL
14h 44m1 stop
C$ 523Multiple Airlines
Thu, 5 Feb - Sun, 8 Feb
Multiple Airlines Logo
5:25 p.m. - 12:26 p.m.
YUL
-
EYW
19h 01m2 stops
Multiple Airlines Logo
9:46 a.m. - 12:30 a.m.
EYW
-
YUL
14h 44m1 stop
C$ 540Multiple Airlines
Thu, 5 Feb - Sun, 8 Feb
Multiple Airlines Logo
8:00 a.m. - 11:56 a.m.
YUL
-
EYW
27h 56m1 stop
Multiple Airlines Logo
10:06 a.m. - 12:30 a.m.
EYW
-
YUL
14h 24m1 stop
C$ 664Multiple Airlines
Wed, 28 Jan - Sun, 1 Feb
Multiple Airlines Logo
8:00 a.m. - 11:56 a.m.
YUL
-
EYW
27h 56m1 stop
Multiple Airlines Logo
10:06 a.m. - 8:14 p.m.
EYW
-
YUL
10h 08m2 stops
C$ 682Multiple Airlines
Wed, 28 Jan - Sun, 1 Feb
Multiple Airlines Logo
2:00 p.m. - 11:56 a.m.
YUL
-
EYW
21h 56m3 stops
Multiple Airlines Logo
12:51 p.m. - 12:38 a.m.
EYW
-
YUL
35h 47m3 stops
C$ 735Multiple Airlines
Wed, 28 Jan - Sun, 1 Feb
Multiple Airlines Logo
3:50 p.m. - 11:56 a.m.
YUL
-
EYW
20h 06m2 stops
Multiple Airlines Logo
12:51 p.m. - 12:38 a.m.
EYW
-
YUL
35h 47m3 stops
C$ 748Multiple Airlines
Wed, 28 Jan - Sun, 1 Feb
Delta Logo
9:34 a.m. - 7:40 p.m.
YUL
-
EYW
10h 06m2 stops
Delta Logo
6:06 p.m. - 11:59 p.m.
EYW
-
YUL
5h 53m1 stop
C$ 835Delta
Mon, 2 Feb - Thu, 5 Feb
Delta Logo
12:50 p.m. - 7:40 p.m.
YUL
-
EYW
6h 50m1 stop
Delta Logo
7:10 a.m. - 6:37 p.m.
EYW
-
YUL
11h 27m2 stops
C$ 836Delta
Mon, 2 Feb - Thu, 5 Feb
American Airlines Logo
7:00 a.m. - 6:01 p.m.
YUL
-
EYW
11h 01m1 stop
American Airlines Logo
6:06 a.m. - 11:24 p.m.
EYW
-
YUL
17h 18m1 stop
C$ 861American Airlines
Thu, 5 Feb - Sun, 8 Feb

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
2 Feb
YUL6:00 a.m.Montreal Pierre Elliott Trudeau Intl
9h 17m
1 stop
EYW3:17 p.m.Key West
5 Feb
EYW2:25 p.m.Key West
7h 17m
1 stop
YUL9:42 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 835
Find similar
United Airlines
2 Feb
YUL6:00 a.m.Montreal Pierre Elliott Trudeau Intl
9h 17m
1 stop
EYW3:17 p.m.Key West
5 Feb
EYW2:25 p.m.Key West
7h 17m
1 stop
YUL9:42 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 836
Find similar
United Airlines
2 Feb
YUL1:25 p.m.Montreal Pierre Elliott Trudeau Intl
23h 38m
2 stops
EYW1:03 p.m.Key West
5 Feb
EYW6:05 p.m.Key West
12h 50m
2 stops
YUL6:55 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 904
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
5 Feb
YUL7:00 a.m.Montreal Pierre Elliott Trudeau Intl
11h 01m
1 stop
EYW6:01 p.m.Key West
8 Feb
EYW6:06 a.m.Key West
17h 18m
1 stop
YUL11:24 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 861
Find similar
American Airlines
5 Feb
YUL7:00 a.m.Montreal Pierre Elliott Trudeau Intl
16h 56m
2 stops
EYW11:56 p.m.Key West
8 Feb
EYW6:06 a.m.Key West
7h 39m
2 stops
YUL1:45 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 882
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 21 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

Thu 5/2

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

1 stop29h 30m

Key West

Sun 8/2

9:46 a.m.-12:30 a.m.

1 stop14h 44m

C$ 515

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Thu 5/2

5:25 p.m.-12:26 p.m.

2 stops19h 01m

Key West

Sun 8/2

9:46 a.m.-12:30 a.m.

1 stop14h 44m

C$ 523

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Thu 5/2

5:25 p.m.-12:26 p.m.

2 stops19h 01m

Key West

Sun 8/2

9:46 a.m.-12:30 a.m.

1 stop14h 44m

C$ 540

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Wed 28/1

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

1 stop27h 56m

Key West

Sun 1/2

10:06 a.m.-12:30 a.m.

1 stop14h 24m

C$ 664

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Wed 28/1

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

1 stop27h 56m

Key West

Sun 1/2

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

2 stops10h 08m

C$ 682

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Wed 28/1

2:00 p.m.-11:56 a.m.

3 stops21h 56m

Key West

Sun 1/2

12:51 p.m.-12:38 a.m.

3 stops35h 47m

C$ 735

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Wed 28/1

3:50 p.m.-11:56 a.m.

2 stops20h 06m

Key West

Sun 1/2

12:51 p.m.-12:38 a.m.

3 stops35h 47m

C$ 748

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Mon 2/2

9:34 a.m.-7:40 p.m.

2 stops10h 06m

Key West

Thu 5/2

6:06 p.m.-11:59 p.m.

1 stop5h 53m

C$ 835

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Mon 2/2

12:50 p.m.-7:40 p.m.

1 stop6h 50m

Key West

Thu 5/2

7:10 a.m.-6:37 p.m.

2 stops11h 27m

C$ 836

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Thu 5/2

7:00 a.m.-6:01 p.m.

1 stop11h 01m

Key West

Sun 8/2

6:06 a.m.-11:24 p.m.

1 stop17h 18m

C$ 861

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 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$ 422. 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$ 1,257.

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$ 187. Try not to purchase tickets at noon because they tend to be around C$ 1,102. 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

19h 01m

Direct flights

None
The fastest flight from Montreal Pierre Elliott Trudeau Intl Airport to Key West takes 19h 01m
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 19h 01m.

  • 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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