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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Key West from $341

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 Pierre Elliott Trudeau Intl Airport to Key West departing on 1/18. 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

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:00 am - 1:30 pm
YUL
-
EYW
29h 30m1 stop
Multiple Airlines Logo
12:51 pm - 12:43 am
EYW
-
YUL
35h 52m2 stops
$341Multiple Airlines
Sun, Jan 18 - Sun, Jan 25
Multiple Airlines Logo
8:00 am - 1:30 pm
YUL
-
EYW
29h 30m1 stop
Multiple Airlines Logo
12:51 pm - 4:22 pm
EYW
-
YUL
27h 31m1 stop
$361Multiple Airlines
Sun, Jan 18 - Sun, Jan 25
Multiple Airlines Logo
8:00 am - 11:56 am
YUL
-
EYW
27h 56m1 stop
Multiple Airlines Logo
10:49 am - 4:22 pm
EYW
-
YUL
29h 33m2 stops
$437Multiple Airlines
Sat, Jan 17 - Sat, Jan 24
Delta Logo
7:30 pm - 7:40 pm
YUL
-
EYW
24h 10m2 stops
Delta Logo
6:06 pm - 8:44 am
EYW
-
YUL
14h 38m2 stops
$455Delta
Fri, Jan 16 - Fri, Jan 23
Delta Logo
7:30 pm - 7:42 pm
YUL
-
EYW
24h 12m2 stops
Delta Logo
2:46 pm - 8:37 am
EYW
-
YUL
17h 51m2 stops
$466Delta
Wed, Feb 25 - Thu, Mar 5
Multiple Airlines Logo
1:40 pm - 1:30 pm
YUL
-
EYW
23h 50m3 stops
Multiple Airlines Logo
2:30 pm - 4:30 pm
EYW
-
YUL
26h 00m3 stops
$513Multiple Airlines
Fri, Jan 2 - Wed, Jan 7
Multiple Airlines Logo
1:40 pm - 1:30 pm
YUL
-
EYW
23h 50m3 stops
Multiple Airlines Logo
2:25 pm - 4:30 pm
EYW
-
YUL
26h 05m3 stops
$534Multiple Airlines
Fri, Jan 2 - Fri, Jan 9
Multiple Airlines Logo
5:25 pm - 9:06 am
YUL
-
EYW
15h 41m2 stops
Multiple Airlines Logo
12:15 pm - 12:45 am
EYW
-
YUL
12h 30m1 stop
$536Multiple Airlines
Wed, Feb 25 - Thu, Mar 5
Multiple Airlines Logo
1:40 pm - 1:30 pm
YUL
-
EYW
23h 50m3 stops
Multiple Airlines Logo
2:30 pm - 12:30 am
EYW
-
YUL
10h 00m2 stops
$537Multiple Airlines
Fri, Jan 2 - Wed, Jan 7
Multiple Airlines Logo
6:45 am - 1:30 pm
YUL
-
EYW
6h 45m1 stop
Multiple Airlines Logo
2:25 pm - 4:22 pm
EYW
-
YUL
25h 57m1 stop
$550Multiple Airlines
Fri, Jan 16 - Fri, Jan 23

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
Jan 16
YUL7:30 pmMontreal Pierre Elliott Trudeau Intl
24h 10m
2 stops
EYW7:40 pmKey West
Jan 23
EYW6:06 pmKey West
14h 38m
2 stops
YUL8:44 amMontreal Pierre Elliott Trudeau Intl
$455
Find similar
Delta
Feb 25
YUL7:30 pmMontreal Pierre Elliott Trudeau Intl
24h 12m
2 stops
EYW7:42 pmKey West
Mar 5
EYW2:46 pmKey West
17h 51m
2 stops
YUL8:37 amMontreal Pierre Elliott Trudeau Intl
$466
Find similar
Delta
Feb 26
YUL9:29 amMontreal Pierre Elliott Trudeau Intl
10h 13m
2 stops
EYW7:42 pmKey West
Mar 5
EYW2:46 pmKey West
17h 51m
2 stops
YUL8:37 amMontreal Pierre Elliott Trudeau Intl
$572
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
Apr 8
YUL7:35 amMontreal Pierre Elliott Trudeau Intl
10h 46m
2 stops
EYW6:21 pmKey West
Apr 15
EYW6:39 pmKey West
16h 36m
1 stop
YUL11:15 amMontreal Pierre Elliott Trudeau Intl
$600
Find similar
American Airlines
Feb 20
YUL7:12 amMontreal Pierre Elliott Trudeau Intl
15h 31m
1 stop
EYW10:43 pmKey West
Feb 25
EYW3:20 pmKey West
7h 24m
1 stop
YUL10:44 pmMontreal Pierre Elliott Trudeau Intl
$608
Find similar
American Airlines
Feb 20
YUL7:30 amMontreal Pierre Elliott Trudeau Intl
15h 13m
2 stops
EYW10:43 pmKey West
Feb 25
EYW3:20 pmKey West
7h 24m
1 stop
YUL10:44 pmMontreal Pierre Elliott Trudeau Intl
$617
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 832,500 searches. Data last updated December 4, 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 1/18

8:00 am-1:30 pm

1 stop29h 30m

Key West

Sun 1/25

12:51 pm-12:43 am

2 stops35h 52m

$341

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Sun 1/18

8:00 am-1:30 pm

1 stop29h 30m

Key West

Sun 1/25

12:51 pm-4:22 pm

1 stop27h 31m

$361

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Sat 1/17

8:00 am-11:56 am

1 stop27h 56m

Key West

Sat 1/24

10:49 am-4:22 pm

2 stops29h 33m

$437

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Fri 1/16

7:30 pm-7:40 pm

2 stops24h 10m

Key West

Fri 1/23

6:06 pm-8:44 am

2 stops14h 38m

$455

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Wed 2/25

7:30 pm-7:42 pm

2 stops24h 12m

Key West

Thu 3/5

2:46 pm-8:37 am

2 stops17h 51m

$466

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Fri 1/2

1:40 pm-1:30 pm

3 stops23h 50m

Key West

Wed 1/7

2:30 pm-4:30 pm

3 stops26h 00m

$513

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Fri 1/2

1:40 pm-1:30 pm

3 stops23h 50m

Key West

Fri 1/9

2:25 pm-4:30 pm

3 stops26h 05m

$534

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Wed 2/25

5:25 pm-9:06 am

2 stops15h 41m

Key West

Thu 3/5

12:15 pm-12:45 am

1 stop12h 30m

$536

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Fri 1/2

1:40 pm-1:30 pm

3 stops23h 50m

Key West

Wed 1/7

2:30 pm-12:30 am

2 stops10h 00m

$537

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Fri 1/16

6:45 am-1:30 pm

1 stop6h 45m

Key West

Fri 1/23

2:25 pm-4:22 pm

1 stop25h 57m

$550

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 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 airline that flies from Montreal Pierre Elliott Trudeau Intl to Key West?

United Airlines and Delta are the most popular carriers operating from Montreal Pierre Elliott Trudeau Intl to Key West

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

Fastest flight time

6h 45m

Direct flights

None
The fastest flight from Montreal Pierre Elliott Trudeau Intl Airport to Key West takes 6h 45m
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.
Search flight deals

  • How far is Montreal Pierre Elliott Trudeau Intl to Key West by plane?

    There are 1511.6 mi between Montreal Pierre Elliott Trudeau Intl and Key West. In terms of flight time, this usually takes a little over 6h 17m.

  • 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 are refreshed on a daily basis.

  • How old do you have to be to fly from Montreal Pierre Elliott Trudeau Intl Airport to Key West Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for 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 necessary travel and health documents for your Key West Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Key West?

Book flights to Key West if you plan to visit one of these locations
Big Pine Key
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?

Once all potential Montreal to Key West flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes momondo offers price alerts on flights to Key West from Montreal. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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