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Cheap flights from Montreal 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 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.
1 adult

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Find the cheapest flights from Montreal to Key West

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
7:00 a.m. - 5:11 p.m.
YUL
-
EYW
10h 11m1 stop
Delta Logo
7:10 a.m. - 6:37 p.m.
EYW
-
YUL
11h 27m2 stops
C$ 777Delta
Sat, 10 Jan - Wed, 14 Jan
Multiple Airlines Logo
4:35 p.m. - 8:15 a.m.
YUL
-
EYW
15h 40m1 stop
Multiple Airlines Logo
10:06 a.m. - 8:14 p.m.
EYW
-
YUL
10h 08m2 stops
C$ 803Multiple Airlines
Wed, 31 Dec - Thu, 8 Jan
Delta Logo
6:00 a.m. - 5:11 p.m.
YUL
-
EYW
11h 11m2 stops
Delta Logo
7:10 a.m. - 6:37 p.m.
EYW
-
YUL
11h 27m2 stops
C$ 813Delta
Sat, 10 Jan - Wed, 14 Jan
Delta Logo
7:00 a.m. - 1:48 p.m.
YUL
-
EYW
6h 48m1 stop
Delta Logo
7:10 a.m. - 6:37 p.m.
EYW
-
YUL
11h 27m2 stops
C$ 835Delta
Mon, 2 Feb - Thu, 5 Feb
United Airlines Logo
9:15 a.m. - 4:22 p.m.
YUL
-
EYW
7h 07m1 stop
United Airlines Logo
2:25 p.m. - 9:42 p.m.
EYW
-
YUL
7h 17m1 stop
C$ 867United Airlines
Sat, 10 Jan - Wed, 14 Jan
United Airlines Logo
9:15 a.m. - 4:22 p.m.
YUL
-
EYW
7h 07m1 stop
United Airlines Logo
2:25 p.m. - 9:42 p.m.
EYW
-
YUL
7h 17m1 stop
C$ 868United Airlines
Sat, 10 Jan - Wed, 14 Jan
Multiple Airlines Logo
8:00 a.m. - 1:30 p.m.
YUL
-
EYW
29h 30m1 stop
Multiple Airlines Logo
10:06 a.m. - 8:14 p.m.
EYW
-
YUL
10h 08m2 stops
C$ 897Multiple Airlines
Thu, 1 Jan - Thu, 8 Jan
United Airlines Logo
6:15 p.m. - 1:03 p.m.
YUL
-
EYW
18h 48m2 stops
United Airlines Logo
2:25 p.m. - 6:55 a.m.
EYW
-
YUL
16h 30m2 stops
C$ 904United Airlines
Mon, 2 Feb - Thu, 5 Feb
Multiple Airlines Logo
5:25 p.m. - 1:30 p.m.
YUL
-
EYW
20h 05m2 stops
Multiple Airlines Logo
2:30 p.m. - 4:22 p.m.
EYW
-
YUL
25h 52m1 stop
C$ 912Multiple Airlines
Thu, 1 Jan - Wed, 7 Jan
Multiple Airlines Logo
4:35 p.m. - 8:15 a.m.
YUL
-
EYW
15h 40m1 stop
Multiple Airlines Logo
2:30 p.m. - 4:22 p.m.
EYW
-
YUL
25h 52m1 stop
C$ 944Multiple Airlines
Wed, 31 Dec - Wed, 7 Jan

Delta flights from Montreal to Key West

Our best Delta deals on Montreal to Key West flight tickets
Delta
10 Jan
YUL7:00 a.m.Montreal Pierre Elliott Trudeau Intl
10h 11m
1 stop
EYW5:11 p.m.Key West
14 Jan
EYW7:10 a.m.Key West
11h 27m
2 stops
YUL6:37 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 777
Find similar
Delta
10 Jan
YUL6:00 a.m.Montreal Pierre Elliott Trudeau Intl
11h 11m
2 stops
EYW5:11 p.m.Key West
14 Jan
EYW7:10 a.m.Key West
11h 27m
2 stops
YUL6:37 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 813
Find similar
Delta
30 Dec
YUL7:00 a.m.Montreal Pierre Elliott Trudeau Intl
10h 23m
1 stop
EYW5:23 p.m.Key West
8 Jan
EYW2:45 p.m.Key West
17h 59m
2 stops
YUL8:44 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,109
Find similar

United Airlines flights from Montreal to Key West

Our best United Airlines deals on Montreal to Key West flight tickets
United Airlines
10 Jan
YUL9:15 a.m.Montreal Pierre Elliott Trudeau Intl
7h 07m
1 stop
EYW4:22 p.m.Key West
14 Jan
EYW2:25 p.m.Key West
7h 17m
1 stop
YUL9:42 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 867
Find similar
United Airlines
10 Jan
YUL9:15 a.m.Montreal Pierre Elliott Trudeau Intl
7h 07m
1 stop
EYW4:22 p.m.Key West
14 Jan
EYW2:25 p.m.Key West
7h 17m
1 stop
YUL9:42 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 868
Find similar
United Airlines
10 Jan
YUL6:15 p.m.Montreal Pierre Elliott Trudeau Intl
18h 48m
2 stops
EYW1:03 p.m.Key West
14 Jan
EYW6:05 p.m.Key West
12h 50m
2 stops
YUL6:55 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 967
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 19 December 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

Sat 10/1

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

1 stop10h 11m

Key West

Wed 14/1

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

2 stops11h 27m

C$ 777

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Wed 31/12

4:35 p.m.-8:15 a.m.

1 stop15h 40m

Key West

Thu 8/1

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

2 stops10h 08m

C$ 803

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Sat 10/1

6:00 a.m.-5:11 p.m.

2 stops11h 11m

Key West

Wed 14/1

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

2 stops11h 27m

C$ 813

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Mon 2/2

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

1 stop6h 48m

Key West

Thu 5/2

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

2 stops11h 27m

C$ 835

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Sat 10/1

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

1 stop7h 07m

Key West

Wed 14/1

2:25 p.m.-9:42 p.m.

1 stop7h 17m

C$ 867

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Sat 10/1

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

1 stop7h 07m

Key West

Wed 14/1

2:25 p.m.-9:42 p.m.

1 stop7h 17m

C$ 868

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Thu 1/1

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

1 stop29h 30m

Key West

Thu 8/1

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

2 stops10h 08m

C$ 897

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Mon 2/2

6:15 p.m.-1:03 p.m.

2 stops18h 48m

Key West

Thu 5/2

2:25 p.m.-6:55 a.m.

2 stops16h 30m

C$ 904

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Thu 1/1

5:25 p.m.-1:30 p.m.

2 stops20h 05m

Key West

Wed 7/1

2:30 p.m.-4:22 p.m.

1 stop25h 52m

C$ 912

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Wed 31/12

4:35 p.m.-8:15 a.m.

1 stop15h 40m

Key West

Wed 7/1

2:30 p.m.-4:22 p.m.

1 stop25h 52m

C$ 944

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 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$ 1,255.

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$ 186. Try not to purchase tickets at noon because they tend to be around C$ 1,101. 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

Fastest flight time

9h 17m

Direct flights

None
The fastest flight from Montreal to Key West takes 9h 17m
There are no direct flights from Montreal to Key West. There are no popular flight routes from Montreal to Key West.
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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 9h 17m 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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