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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Key West from C$ 715

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 7/2. 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.
American Airlines Logo
3:50 p.m. - 12:46 p.m.
YUL
-
EYW
20h 56m1 stop
American Airlines Logo
4:02 p.m. - 11:24 p.m.
EYW
-
YUL
7h 22m1 stop
C$ 715American Airlines
Sat, 7 Feb - Sat, 14 Feb
Multiple Airlines Logo
10:15 a.m. - 11:42 a.m.
YUL
-
EYW
25h 27m3 stops
Multiple Airlines Logo
2:25 p.m. - 4:55 p.m.
EYW
-
YUL
26h 30m3 stops
C$ 722Multiple Airlines
Sat, 28 Feb - Mon, 9 Mar
American Airlines Logo
3:50 p.m. - 12:46 p.m.
YUL
-
EYW
20h 56m1 stop
American Airlines Logo
6:45 a.m. - 3:24 p.m.
EYW
-
YUL
8h 39m2 stops
C$ 727American Airlines
Sat, 7 Feb - Sat, 14 Feb
United Airlines Logo
1:25 p.m. - 1:03 p.m.
YUL
-
EYW
23h 38m2 stops
United Airlines Logo
6:05 p.m. - 6:55 a.m.
EYW
-
YUL
12h 50m2 stops
C$ 762United Airlines
Tue, 20 Jan - Wed, 21 Jan
United Airlines Logo
1:25 p.m. - 1:03 p.m.
YUL
-
EYW
23h 38m2 stops
United Airlines Logo
6:05 p.m. - 6:55 a.m.
EYW
-
YUL
12h 50m2 stops
C$ 763United Airlines
Tue, 20 Jan - Wed, 21 Jan
American Airlines Logo
7:00 a.m. - 4:50 p.m.
YUL
-
EYW
9h 50m1 stop
American Airlines Logo
4:02 p.m. - 11:24 p.m.
EYW
-
YUL
7h 22m1 stop
C$ 782American Airlines
Sat, 14 Feb - Sat, 21 Feb
United Airlines Logo
9:15 a.m. - 4:22 p.m.
YUL
-
EYW
7h 07m1 stop
United Airlines Logo
6:05 p.m. - 6:55 a.m.
EYW
-
YUL
12h 50m2 stops
C$ 849United Airlines
Tue, 20 Jan - Wed, 21 Jan
United Airlines Logo
9:15 a.m. - 4:22 p.m.
YUL
-
EYW
7h 07m1 stop
United Airlines Logo
6:05 p.m. - 6:55 a.m.
EYW
-
YUL
12h 50m2 stops
C$ 852United Airlines
Tue, 20 Jan - Wed, 21 Jan
Delta Logo
7:00 a.m. - 5:11 p.m.
YUL
-
EYW
10h 11m1 stop
Delta Logo
6:06 p.m. - 11:50 p.m.
EYW
-
YUL
5h 44m1 stop
C$ 853Delta
Tue, 20 Jan - Wed, 21 Jan
Delta Logo
7:00 a.m. - 1:48 p.m.
YUL
-
EYW
6h 48m1 stop
Delta Logo
6:06 p.m. - 11:50 p.m.
EYW
-
YUL
5h 44m1 stop
C$ 856Delta
Tue, 20 Jan - Wed, 21 Jan

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
7 Feb
YUL3:50 p.m.Montreal Pierre Elliott Trudeau Intl
20h 56m
1 stop
EYW12:46 p.m.Key West
14 Feb
EYW4:02 p.m.Key West
7h 22m
1 stop
YUL11:24 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 715
Find similar
American Airlines
7 Feb
YUL3:50 p.m.Montreal Pierre Elliott Trudeau Intl
20h 56m
1 stop
EYW12:46 p.m.Key West
14 Feb
EYW6:45 a.m.Key West
8h 39m
2 stops
YUL3:24 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 727
Find similar
American Airlines
14 Feb
YUL7:00 a.m.Montreal Pierre Elliott Trudeau Intl
9h 50m
1 stop
EYW4:50 p.m.Key West
21 Feb
EYW4:02 p.m.Key West
7h 22m
1 stop
YUL11:24 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 782
Find similar

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
20 Jan
YUL1:25 p.m.Montreal Pierre Elliott Trudeau Intl
23h 38m
2 stops
EYW1:03 p.m.Key West
21 Jan
EYW6:05 p.m.Key West
12h 50m
2 stops
YUL6:55 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 762
Find similar
United Airlines
20 Jan
YUL9:15 a.m.Montreal Pierre Elliott Trudeau Intl
7h 07m
1 stop
EYW4:22 p.m.Key West
21 Jan
EYW6:05 p.m.Key West
12h 50m
2 stops
YUL6:55 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 849
Find similar
United Airlines
20 Jan
YUL9:15 a.m.Montreal Pierre Elliott Trudeau Intl
7h 07m
1 stop
EYW4:22 p.m.Key West
21 Jan
EYW6:05 p.m.Key West
12h 50m
2 stops
YUL6:55 a.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 26 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

Sat 7/2

3:50 p.m.-12:46 p.m.

1 stop20h 56m

Key West

Sat 14/2

4:02 p.m.-11:24 p.m.

1 stop7h 22m

C$ 715

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Sat 28/2

10:15 a.m.-11:42 a.m.

3 stops25h 27m

Key West

Mon 9/3

2:25 p.m.-4:55 p.m.

3 stops26h 30m

C$ 722

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Sat 7/2

3:50 p.m.-12:46 p.m.

1 stop20h 56m

Key West

Sat 14/2

6:45 a.m.-3:24 p.m.

2 stops8h 39m

C$ 727

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Tue 20/1

1:25 p.m.-1:03 p.m.

2 stops23h 38m

Key West

Wed 21/1

6:05 p.m.-6:55 a.m.

2 stops12h 50m

C$ 762

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Tue 20/1

1:25 p.m.-1:03 p.m.

2 stops23h 38m

Key West

Wed 21/1

6:05 p.m.-6:55 a.m.

2 stops12h 50m

C$ 763

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Sat 14/2

7:00 a.m.-4:50 p.m.

1 stop9h 50m

Key West

Sat 21/2

4:02 p.m.-11:24 p.m.

1 stop7h 22m

C$ 782

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Tue 20/1

9:15 a.m.-4:22 p.m.

1 stop7h 07m

Key West

Wed 21/1

6:05 p.m.-6:55 a.m.

2 stops12h 50m

C$ 849

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Tue 20/1

9:15 a.m.-4:22 p.m.

1 stop7h 07m

Key West

Wed 21/1

6:05 p.m.-6:55 a.m.

2 stops12h 50m

C$ 852

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Tue 20/1

7:00 a.m.-5:11 p.m.

1 stop10h 11m

Key West

Wed 21/1

6:06 p.m.-11:50 p.m.

1 stop5h 44m

C$ 853

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Tue 20/1

7:00 a.m.-1:48 p.m.

1 stop6h 48m

Key West

Wed 21/1

6:06 p.m.-11:50 p.m.

1 stop5h 44m

C$ 856

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$ 418. 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$ 1,246.

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$ 185. Try not to purchase tickets at noon because they tend to be around C$ 1,092. 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

7h 07m

Direct flights

None
The fastest flight from Montreal Pierre Elliott Trudeau Intl Airport to Key West takes 7h 07m
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 7h 07m.

  • 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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