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Cheap flights from Montreal to Key West from C$ 601

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 to Key West departing on 31/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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Find the cheapest flights from Montreal to Key West

Cheap round-trip flights

Logo
10:35 a.m. - 10:07 a.m.YUL-EYW
23h 32m2 stops
Logo
8:55 a.m. - 12:30 a.m.EYW-YUL
15h 35m1 stop
C$ 601
Find Deal
Fri, 31 Oct - Fri, 7 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$ 803Delta
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$ 805American 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$ 812American Airlines
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$ 815American Airlines
Find Deal
Wed, 29 Oct - Wed, 5 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$ 823Delta
Find Deal
Wed, 29 Oct - Wed, 5 Nov
American Airlines Logo
7:00 a.m. - 6:32 p.m.YUL-EYW
11h 32m1 stop
American Airlines Logo
1:55 p.m. - 11:15 p.m.EYW-YUL
9h 20m1 stop
C$ 836American Airlines
Find Deal
Thu, 5 Feb - Mon, 9 Feb
United Airlines Logo
7:00 p.m. - 1:52 p.m.YUL-EYW
18h 52m3 stops
United Airlines Logo
3:00 p.m. - 3:16 p.m.EYW-YUL
24h 16m2 stops
C$ 974United Airlines
Find Deal
Wed, 29 Oct - Wed, 5 Nov
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$ 1,196WestJet
Find Deal
Sun, 21 Dec - Sun, 4 Jan
WestJet Logo
6:20 p.m. - 3:45 p.m.YUL-EYW
21h 25m1 stop
WestJet Logo
7:25 a.m. - 12:43 a.m.EYW-YUL
41h 18m2 stops
C$ 1,203WestJet
Find Deal
Sun, 21 Dec - Sun, 4 Jan

Delta flights from Montreal to Key West

Our best Delta deals on Montreal 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$ 803
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$ 823
Find similar
Delta
21 Sep
YUL12:47 p.m.Montreal Pierre Elliott Trudeau Intl
7h 20m
1 stop
EYW8:07 p.m.Key West
28 Sep
EYW6:10 p.m.Key West
5h 46m
1 stop
YUL11:56 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,095
Find similar

American Airlines flights from Montreal to Key West

Our best American Airlines deals on Montreal 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$ 805
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$ 812
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$ 815
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 16 September 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

Fri 31/10

10:35 a.m.-10:07 a.m.

2 stops23h 32m

Key West

Fri 7/11

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

1 stop15h 35m

C$ 601

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$ 803

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$ 805

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$ 812

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$ 815

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$ 823

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Thu 5/2

7:00 a.m.-6:32 p.m.

1 stop11h 32m

Key West

Mon 9/2

1:55 p.m.-11:15 p.m.

1 stop9h 20m

C$ 836

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Wed 29/10

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

3 stops18h 52m

Key West

Wed 5/11

3:00 p.m.-3:16 p.m.

2 stops24h 16m

C$ 974

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$ 1,196

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Sun 21/12

6:20 p.m.-3:45 p.m.

1 stop21h 25m

Key West

Sun 4/1

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

2 stops41h 18m

C$ 1,203

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 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$ 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 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 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

Direct flights

None
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 5h 42m 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

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