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Cheap flights from Montreal to Key West from C$ 452

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 to Key West departing on 16/9. 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 to Key West

Cheap round-trip flights

Delta Logo
7:45 p.m. - 5:12 p.m.YUL-EYW
21h 27m2 stops
Delta Logo
7:00 a.m. - 6:49 p.m.EYW-YUL
11h 49m2 stops
C$ 596Delta
Find Deal
Mon, 12 Jan - Wed, 21 Jan
Delta Logo
7:45 p.m. - 7:44 p.m.YUL-EYW
23h 59m2 stops
Delta Logo
6:00 p.m. - 12:54 p.m.EYW-YUL
18h 54m2 stops
C$ 621Delta
Find Deal
Fri, 16 Jan - Fri, 23 Jan
Delta Logo
7:45 p.m. - 7:44 p.m.YUL-EYW
23h 59m2 stops
Delta Logo
6:00 p.m. - 8:47 a.m.EYW-YUL
14h 47m2 stops
C$ 636Delta
Find Deal
Tue, 6 Jan - Tue, 13 Jan
Delta Logo
7:45 p.m. - 7:44 p.m.YUL-EYW
23h 59m2 stops
Delta Logo
6:00 p.m. - 12:54 p.m.EYW-YUL
18h 54m2 stops
C$ 641Delta
Find Deal
Tue, 13 Jan - Thu, 22 Jan
American Airlines Logo
5:40 p.m. - 11:50 a.m.YUL-EYW
18h 10m1 stop
American Airlines Logo
5:21 p.m. - 10:45 p.m.EYW-YUL
5h 24m1 stop
C$ 852American Airlines
Find Deal
Tue, 6 Jan - Wed, 14 Jan
American Airlines Logo
3:15 p.m. - 1:09 p.m.YUL-EYW
21h 54m2 stops
American Airlines Logo
3:55 p.m. - 12:15 p.m.EYW-YUL
20h 20m2 stops
C$ 859American Airlines
Find Deal
Tue, 30 Dec - Thu, 8 Jan
United Airlines Logo
7:00 a.m. - 12:46 p.m.YUL-EYW
5h 46m1 stop
United Airlines Logo
1:30 p.m. - 9:30 p.m.EYW-YUL
8h 00m1 stop
C$ 873United Airlines
Find Deal
Thu, 15 Jan - Wed, 21 Jan
United Airlines Logo
6:00 a.m. - 2:29 p.m.YUL-EYW
8h 29m1 stop
United Airlines Logo
3:12 p.m. - 10:06 p.m.EYW-YUL
6h 54m1 stop
C$ 876United Airlines
Find Deal
Thu, 9 Oct - Wed, 15 Oct
WestJet Logo
6:41 p.m. - 8:06 p.m.YUL-EYW
25h 25m1 stop
WestJet Logo
12:22 p.m. - 11:31 a.m.EYW-YUL
23h 09m1 stop
C$ 895WestJet
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Fri, 10 Oct - Thu, 16 Oct
WestJet Logo
6:45 a.m. - 11:27 a.m.YUL-EYW
28h 42m2 stops
WestJet Logo
7:40 a.m. - 11:58 p.m.EYW-YUL
16h 18m1 stop
C$ 910WestJet
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Thu, 9 Oct - Fri, 17 Oct

Delta flights from Montreal to Key West

Our best Delta deals on Montreal to Key West flight tickets
Delta
12 Jan
YUL7:45 p.m.Montreal Pierre Elliott Trudeau Intl
21h 27m
2 stops
EYW5:12 p.m.Key West
21 Jan
EYW7:00 a.m.Key West
11h 49m
2 stops
YUL6:49 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 596
Find similar
Delta
16 Jan
YUL7:45 p.m.Montreal Pierre Elliott Trudeau Intl
23h 59m
2 stops
EYW7:44 p.m.Key West
23 Jan
EYW6:00 p.m.Key West
18h 54m
2 stops
YUL12:54 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 621
Find similar
Delta
6 Jan
YUL7:45 p.m.Montreal Pierre Elliott Trudeau Intl
23h 59m
2 stops
EYW7:44 p.m.Key West
13 Jan
EYW6:00 p.m.Key West
14h 47m
2 stops
YUL8:47 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 636
Find similar

American Airlines flights from Montreal to Key West

Our best American Airlines deals on Montreal to Key West flight tickets
American Airlines
6 Jan
YUL5:40 p.m.Montreal Pierre Elliott Trudeau Intl
18h 10m
1 stop
EYW11:50 a.m.Key West
14 Jan
EYW5:21 p.m.Key West
5h 24m
1 stop
YUL10:45 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 852
Find similar
American Airlines
30 Dec
YUL3:15 p.m.Montreal Pierre Elliott Trudeau Intl
21h 54m
2 stops
EYW1:09 p.m.Key West
8 Jan
EYW3:55 p.m.Key West
20h 20m
2 stops
YUL12:15 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 859
Find similar
American Airlines
23 Jan
YUL9:55 a.m.Montreal Pierre Elliott Trudeau Intl
8h 37m
2 stops
EYW6:32 p.m.Key West
30 Jan
EYW5:21 p.m.Key West
5h 24m
1 stop
YUL10:45 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 866
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Montreal 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 31 July 2025.
Use the filters below to find and compare flights from Montreal 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 12/1

7:45 p.m.-5:12 p.m.

2 stops21h 27m

Key West

Wed 21/1

7:00 a.m.-6:49 p.m.

2 stops11h 49m

C$ 596

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Fri 16/1

7:45 p.m.-7:44 p.m.

2 stops23h 59m

Key West

Fri 23/1

6:00 p.m.-12:54 p.m.

2 stops18h 54m

C$ 621

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Tue 6/1

7:45 p.m.-7:44 p.m.

2 stops23h 59m

Key West

Tue 13/1

6:00 p.m.-8:47 a.m.

2 stops14h 47m

C$ 636

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Tue 13/1

7:45 p.m.-7:44 p.m.

2 stops23h 59m

Key West

Thu 22/1

6:00 p.m.-12:54 p.m.

2 stops18h 54m

C$ 641

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Tue 6/1

5:40 p.m.-11:50 a.m.

1 stop18h 10m

Key West

Wed 14/1

5:21 p.m.-10:45 p.m.

1 stop5h 24m

C$ 852

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Tue 30/12

3:15 p.m.-1:09 p.m.

2 stops21h 54m

Key West

Thu 8/1

3:55 p.m.-12:15 p.m.

2 stops20h 20m

C$ 859

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Thu 15/1

7:00 a.m.-12:46 p.m.

1 stop5h 46m

Key West

Wed 21/1

1:30 p.m.-9:30 p.m.

1 stop8h 00m

C$ 873

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Thu 9/10

6:00 a.m.-2:29 p.m.

1 stop8h 29m

Key West

Wed 15/10

3:12 p.m.-10:06 p.m.

1 stop6h 54m

C$ 876

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Fri 10/10

6:41 p.m.-8:06 p.m.

1 stop25h 25m

Key West

Thu 16/10

12:22 p.m.-11:31 a.m.

1 stop23h 09m

C$ 895

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Thu 9/10

6:45 a.m.-11:27 a.m.

2 stops28h 42m

Key West

Fri 17/10

7:40 a.m.-11:58 p.m.

1 stop16h 18m

C$ 910

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 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. The lowest ticket price found for a Monday departure recently was C$ 421. 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 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 to Key West

Are you open to changing your travel dates? Check out the ideal times to fly from Montreal to Key West according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Montreal to Key West (YMQ to EYW) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Montreal to Key West

Best price found

C$ 452

Fastest flight time

5h 46m

Direct flights

None

Airports in Key West

1 airport
The best one-way flight to Key West from Montreal in the past 72 hours is C$ 452. The best round-trip flight deal from Montreal to Key West found on momondo in the last 72 hours is C$ 596.
The fastest flight from Montreal to Key West takes 5h 46m
There are no direct flights from Montreal to Key West. Popular non-direct route for this connection is Montreal Pierre Elliott Trudeau Intl Airport - Key West Airport.
There is 1 airport near Key West: Key West (EYW)
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  • How far is Montreal to Key West by plane?

    A flight from Montreal to Key West will travel around 2441.7 km. Typically, this will take 5h 46m by plane in normal conditions.

  • When did momondo last update prices for flights from Montreal to Key West Airport?

    Prices for flights from Montreal to Key West Airport are updated daily.

  • How old do you have to be to fly from Montreal 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 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?

Finding the right flight to Key West from Montreal is quick and easy when you have a range of options in front of you, from reputable agents and recognizable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Key West quick and easy, saving you time and money.

Can I find flights from Montreal to Key West with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Montreal to Key West flights to just show those with flexible booking policies.

How can momondo help me find flights from Montreal to Key West?

Once you have performed a search for Montreal to Key West flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Montreal to Key West right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Montreal to Key West now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Key West and let you know when they change.

An easier way to manage your Key West trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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