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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Key West from C$ 363

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 12/10. 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

Cheap round-trip flights

Logo
6:45 a.m. - 11:05 a.m.YUL-EYW
28h 20m2 stops
Logo
8:55 a.m. - 12:30 a.m.EYW-YUL
15h 35m1 stop
C$ 583
Find Deal
Mon, 27 Oct - Mon, 3 Nov
Logo
6:45 a.m. - 8:13 p.m.YUL-EYW
13h 28m3 stops
Logo
6:36 p.m. - 3:10 p.m.EYW-YUL
20h 34m2 stops
C$ 638
Find Deal
Mon, 27 Oct - Mon, 3 Nov
Delta Logo
6:00 a.m. - 5:21 p.m.YUL-EYW
11h 21m2 stops
Delta Logo
7:40 a.m. - 6:40 p.m.EYW-YUL
11h 00m2 stops
C$ 804Delta
Find Deal
Wed, 29 Oct - Wed, 5 Nov
American Airlines Logo
7:29 a.m. - 4:07 p.m.YUL-EYW
8h 38m1 stop
American Airlines Logo
2:01 p.m. - 3:11 p.m.EYW-YUL
25h 10m1 stop
C$ 807American Airlines
Find Deal
Wed, 29 Oct - Wed, 5 Nov
American Airlines Logo
7:50 a.m. - 7:22 p.m.YUL-EYW
11h 32m2 stops
American Airlines Logo
2:01 p.m. - 3:11 p.m.EYW-YUL
25h 10m1 stop
C$ 814American Airlines
Find Deal
Wed, 29 Oct - Wed, 5 Nov
United Airlines Logo
7:00 a.m. - 1:52 p.m.YUL-EYW
6h 52m1 stop
United Airlines Logo
3:00 p.m. - 9:42 p.m.EYW-YUL
6h 42m1 stop
C$ 824United Airlines
Find Deal
Mon, 27 Oct - Mon, 3 Nov
Delta Logo
6:00 a.m. - 5:21 p.m.YUL-EYW
11h 21m2 stops
Delta Logo
6:17 p.m. - 11:48 p.m.EYW-YUL
5h 31m1 stop
C$ 825Delta
Find Deal
Wed, 29 Oct - Wed, 5 Nov
United Airlines Logo
5:45 p.m. - 1:52 p.m.YUL-EYW
20h 07m2 stops
United Airlines Logo
3:00 p.m. - 11:30 a.m.EYW-YUL
20h 30m2 stops
C$ 850United Airlines
Find Deal
Mon, 27 Oct - Mon, 3 Nov
WestJet Logo
6:45 a.m. - 5:21 p.m.YUL-EYW
10h 36m2 stops
WestJet Logo
7:40 a.m. - 5:34 p.m.EYW-YUL
9h 54m1 stop
C$ 943WestJet
Find Deal
Sun, 12 Oct - Sun, 19 Oct
WestJet Logo
6:20 p.m. - 10:51 a.m.YUL-EYW
16h 31m1 stop
WestJet Logo
7:25 a.m. - 5:15 p.m.EYW-YUL
9h 50m1 stop
C$ 1,199WestJet
Find Deal
Sun, 21 Dec - Sun, 4 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
29 Oct
YUL6:00 a.m.Montreal Pierre Elliott Trudeau Intl
11h 21m
2 stops
EYW5:21 p.m.Key West
5 Nov
EYW7:40 a.m.Key West
11h 00m
2 stops
YUL6:40 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 804
Find similar
Delta
29 Oct
YUL6:00 a.m.Montreal Pierre Elliott Trudeau Intl
11h 21m
2 stops
EYW5:21 p.m.Key West
5 Nov
EYW6:17 p.m.Key West
5h 31m
1 stop
YUL11:48 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 825
Find similar
Delta
12 Oct
YUL7:00 a.m.Montreal Pierre Elliott Trudeau Intl
10h 12m
1 stop
EYW5:12 p.m.Key West
19 Oct
EYW7:40 a.m.Key West
9h 54m
1 stop
YUL5:34 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 861
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
29 Oct
YUL7:29 a.m.Montreal Pierre Elliott Trudeau Intl
8h 38m
1 stop
EYW4:07 p.m.Key West
5 Nov
EYW2:01 p.m.Key West
25h 10m
1 stop
YUL3:11 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 807
Find similar
American Airlines
29 Oct
YUL7:50 a.m.Montreal Pierre Elliott Trudeau Intl
11h 32m
2 stops
EYW7:22 p.m.Key West
5 Nov
EYW2:01 p.m.Key West
25h 10m
1 stop
YUL3:11 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 814
Find similar
American Airlines
29 Oct
YUL7:29 a.m.Montreal Pierre Elliott Trudeau Intl
8h 38m
1 stop
EYW4:07 p.m.Key West
5 Nov
EYW2:01 p.m.Key West
25h 10m
1 stop
YUL3:11 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 817
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 14 September 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

Mon 27/10

6:45 a.m.-11:05 a.m.

2 stops28h 20m

Key West

Mon 3/11

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

1 stop15h 35m

C$ 583

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Mon 27/10

6:45 a.m.-8:13 p.m.

3 stops13h 28m

Key West

Mon 3/11

6:36 p.m.-3:10 p.m.

2 stops20h 34m

C$ 638

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Wed 29/10

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

2 stops11h 21m

Key West

Wed 5/11

7:40 a.m.-6:40 p.m.

2 stops11h 00m

C$ 804

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Wed 29/10

7:29 a.m.-4:07 p.m.

1 stop8h 38m

Key West

Wed 5/11

2:01 p.m.-3:11 p.m.

1 stop25h 10m

C$ 807

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Wed 29/10

7:50 a.m.-7:22 p.m.

2 stops11h 32m

Key West

Wed 5/11

2:01 p.m.-3:11 p.m.

1 stop25h 10m

C$ 814

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Mon 27/10

7:00 a.m.-1:52 p.m.

1 stop6h 52m

Key West

Mon 3/11

3:00 p.m.-9:42 p.m.

1 stop6h 42m

C$ 824

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Wed 29/10

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

2 stops11h 21m

Key West

Wed 5/11

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

1 stop5h 31m

C$ 825

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Mon 27/10

5:45 p.m.-1:52 p.m.

2 stops20h 07m

Key West

Mon 3/11

3:00 p.m.-11:30 a.m.

2 stops20h 30m

C$ 850

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Sun 12/10

6:45 a.m.-5:21 p.m.

2 stops10h 36m

Key West

Sun 19/10

7:40 a.m.-5:34 p.m.

1 stop9h 54m

C$ 943

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Sun 21/12

6:20 p.m.-10:51 a.m.

1 stop16h 31m

Key West

Sun 4/1

7:25 a.m.-5:15 p.m.

1 stop9h 50m

C$ 1,199

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 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$ 423. 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$ 1,261.

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$ 1,106. 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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