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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Key West from C$ 453

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 8/10. 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 (YUL-EYW)

Cheap round-trip flights

Delta Logo
7:00 a.m. - 1:02 p.m.YUL-EYW
6h 02m1 stop
Delta Logo
6:17 p.m. - 11:48 p.m.EYW-YUL
5h 31m1 stop
C$ 821Delta
Find Deal
Sun, 5 Oct - Thu, 9 Oct
Delta Logo
7:00 a.m. - 8:07 p.m.YUL-EYW
13h 07m2 stops
Delta Logo
11:50 a.m. - 5:50 p.m.EYW-YUL
6h 00m1 stop
C$ 825Delta
Find Deal
Tue, 23 Sep - Tue, 30 Sep
American Airlines Logo
2:31 p.m. - 12:10 p.m.YUL-EYW
21h 39m1 stop
American Airlines Logo
12:50 p.m. - 10:44 p.m.EYW-YUL
9h 54m1 stop
C$ 845American Airlines
Find Deal
Sun, 5 Oct - Thu, 9 Oct
American Airlines Logo
2:31 p.m. - 12:10 p.m.YUL-EYW
21h 39m1 stop
American Airlines Logo
11:22 a.m. - 10:44 p.m.EYW-YUL
11h 22m2 stops
C$ 858American Airlines
Find Deal
Sun, 5 Oct - Thu, 9 Oct
American Airlines Logo
7:25 a.m. - 6:59 p.m.YUL-EYW
11h 34m2 stops
American Airlines Logo
1:59 p.m. - 10:32 p.m.EYW-YUL
8h 33m2 stops
C$ 865American Airlines
Find Deal
Tue, 23 Sep - Tue, 30 Sep
American Airlines Logo
2:31 p.m. - 10:52 a.m.YUL-EYW
20h 21m2 stops
American Airlines Logo
5:47 p.m. - 9:50 a.m.EYW-YUL
16h 03m2 stops
C$ 905American Airlines
Find Deal
Sun, 5 Oct - Thu, 9 Oct
American Airlines Logo
5:40 p.m. - 11:24 a.m.YUL-EYW
17h 44m2 stops
American Airlines Logo
3:10 p.m. - 10:45 p.m.EYW-YUL
7h 35m1 stop
C$ 941American Airlines
Find Deal
Mon, 22 Dec - Fri, 26 Dec
Delta Logo
6:00 a.m. - 5:21 p.m.YUL-EYW
11h 21m2 stops
Delta Logo
1:57 p.m. - 11:14 p.m.EYW-YUL
9h 17m2 stops
C$ 977Delta
Find Deal
Thu, 9 Oct - Thu, 16 Oct
WestJet Logo
5:52 p.m. - 10:49 a.m.YUL-EYW
16h 57m1 stop
WestJet Logo
6:02 p.m. - 11:59 p.m.EYW-YUL
5h 57m1 stop
C$ 1,056WestJet
Find Deal
Mon, 22 Dec - Fri, 26 Dec
WestJet Logo
6:45 a.m. - 5:08 p.m.YUL-EYW
10h 23m2 stops
WestJet Logo
7:25 a.m. - 12:43 a.m.EYW-YUL
17h 18m2 stops
C$ 1,073WestJet
Find Deal
Mon, 22 Dec - Fri, 26 Dec

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
5 Oct
YUL7:00 a.m.Montreal Pierre Elliott Trudeau Intl
6h 02m
1 stop
EYW1:02 p.m.Key West
9 Oct
EYW6:17 p.m.Key West
5h 31m
1 stop
YUL11:48 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 821
Find similar
Delta
23 Sep
YUL7:00 a.m.Montreal Pierre Elliott Trudeau Intl
13h 07m
2 stops
EYW8:07 p.m.Key West
30 Sep
EYW11:50 a.m.Key West
6h 00m
1 stop
YUL5:50 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 825
Find similar
Delta
9 Oct
YUL6:00 a.m.Montreal Pierre Elliott Trudeau Intl
11h 21m
2 stops
EYW5:21 p.m.Key West
16 Oct
EYW1:57 p.m.Key West
9h 17m
2 stops
YUL11:14 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 977
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 Oct
YUL2:31 p.m.Montreal Pierre Elliott Trudeau Intl
21h 39m
1 stop
EYW12:10 p.m.Key West
9 Oct
EYW12:50 p.m.Key West
9h 54m
1 stop
YUL10:44 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 845
Find similar
American Airlines
5 Oct
YUL2:31 p.m.Montreal Pierre Elliott Trudeau Intl
21h 39m
1 stop
EYW12:10 p.m.Key West
9 Oct
EYW11:22 a.m.Key West
11h 22m
2 stops
YUL10:44 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 858
Find similar
American Airlines
23 Sep
YUL7:25 a.m.Montreal Pierre Elliott Trudeau Intl
11h 34m
2 stops
EYW6:59 p.m.Key West
30 Sep
EYW1:59 p.m.Key West
8h 33m
2 stops
YUL10:32 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 865
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 25 August 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 5/10

7:00 a.m.-1:02 p.m.

1 stop6h 02m

Key West

Thu 9/10

6:17 p.m.-11:48 p.m.

1 stop5h 31m

C$ 821

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Tue 23/9

7:00 a.m.-8:07 p.m.

2 stops13h 07m

Key West

Tue 30/9

11:50 a.m.-5:50 p.m.

1 stop6h 00m

C$ 825

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Sun 5/10

2:31 p.m.-12:10 p.m.

1 stop21h 39m

Key West

Thu 9/10

12:50 p.m.-10:44 p.m.

1 stop9h 54m

C$ 845

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Sun 5/10

2:31 p.m.-12:10 p.m.

1 stop21h 39m

Key West

Thu 9/10

11:22 a.m.-10:44 p.m.

2 stops11h 22m

C$ 858

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Tue 23/9

7:25 a.m.-6:59 p.m.

2 stops11h 34m

Key West

Tue 30/9

1:59 p.m.-10:32 p.m.

2 stops8h 33m

C$ 865

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Sun 5/10

2:31 p.m.-10:52 a.m.

2 stops20h 21m

Key West

Thu 9/10

5:47 p.m.-9:50 a.m.

2 stops16h 03m

C$ 905

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Mon 22/12

5:40 p.m.-11:24 a.m.

2 stops17h 44m

Key West

Fri 26/12

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

1 stop7h 35m

C$ 941

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Thu 9/10

6:00 a.m.-5:21 p.m.

2 stops11h 21m

Key West

Thu 16/10

1:57 p.m.-11:14 p.m.

2 stops9h 17m

C$ 977

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Mon 22/12

5:52 p.m.-10:49 a.m.

1 stop16h 57m

Key West

Fri 26/12

6:02 p.m.-11:59 p.m.

1 stop5h 57m

C$ 1,056

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Mon 22/12

6:45 a.m.-5:08 p.m.

2 stops10h 23m

Key West

Fri 26/12

7:25 a.m.-12:43 a.m.

2 stops17h 18m

C$ 1,073

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 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$ 1,259.

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$ 1,104. 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 02m.

  • 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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