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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Key West from $240

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 3/24. 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
0 bags

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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
6:45 am - 1:37 pm
YUL
-
EYW
6h 52m
1 stop
Multiple Airlines Logo
2:35 pm - 4:28 pm
EYW
-
YUL
25h 53m
1 stop
$390Multiple Airlines
Fri, Mar 27 - Fri, Apr 3
Multiple Airlines Logo
6:20 pm - 9:06 am
YUL
-
EYW
38h 46m
2 stops
Multiple Airlines Logo
2:35 pm - 4:28 pm
EYW
-
YUL
25h 53m
1 stop
$459Multiple Airlines
Fri, Mar 27 - Fri, Apr 3
Multiple Airlines Logo
6:45 am - 1:37 pm
YUL
-
EYW
6h 52m
1 stop
Multiple Airlines Logo
2:35 pm - 12:38 am
EYW
-
YUL
34h 03m
3 stops
$491Multiple Airlines
Fri, Mar 27 - Fri, Apr 3
American Airlines Logo
2:25 pm - 10:37 pm
YUL
-
EYW
8h 12m
1 stop
American Airlines Logo
6:49 pm - 11:44 am
EYW
-
YUL
16h 55m
1 stop
$509American Airlines
Thu, Apr 2 - Tue, Apr 7
Multiple Airlines Logo
6:45 am - 10:26 am
YUL
-
EYW
27h 41m
3 stops
Multiple Airlines Logo
2:35 pm - 12:30 am
EYW
-
YUL
9h 55m
2 stops
$559Multiple Airlines
Fri, Mar 27 - Fri, Apr 3
United Airlines Logo
6:10 am - 3:15 pm
YUL
-
EYW
9h 05m
1 stop
United Airlines Logo
7:00 am - 9:01 pm
EYW
-
YUL
14h 01m
1 stop
$573United Airlines
Tue, Aug 4 - Tue, Aug 11
Multiple Airlines Logo
6:45 am - 10:26 am
YUL
-
EYW
27h 41m
3 stops
Multiple Airlines Logo
2:35 pm - 12:38 am
EYW
-
YUL
34h 03m
3 stops
$582Multiple Airlines
Fri, Mar 27 - Fri, Apr 3
Multiple Airlines Logo
4:35 pm - 1:37 pm
YUL
-
EYW
21h 02m
2 stops
Multiple Airlines Logo
12:25 pm - 12:30 am
EYW
-
YUL
12h 05m
2 stops
$593Multiple Airlines
Thu, Apr 2 - Tue, Apr 7
American Airlines Logo
2:25 pm - 10:37 pm
YUL
-
EYW
8h 12m
1 stop
American Airlines Logo
5:25 pm - 12:18 pm
EYW
-
YUL
18h 53m
2 stops
$597American Airlines
Thu, Apr 2 - Tue, Apr 7
United Airlines Logo
6:10 pm - 3:15 pm
YUL
-
EYW
21h 05m
2 stops
United Airlines Logo
4:05 pm - 8:26 pm
EYW
-
YUL
28h 21m
2 stops
$600United Airlines
Tue, Aug 4 - Tue, Aug 11

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 2
YUL2:25 pmMontreal Pierre Elliott Trudeau Intl
8h 12m
1 stop
EYW10:37 pmKey West
Apr 7
EYW6:49 pmKey West
16h 55m
1 stop
YUL11:44 amMontreal Pierre Elliott Trudeau Intl
$509
American Airlines
Apr 2
YUL2:25 pmMontreal Pierre Elliott Trudeau Intl
8h 12m
1 stop
EYW10:37 pmKey West
Apr 7
EYW5:25 pmKey West
18h 53m
2 stops
YUL12:18 pmMontreal Pierre Elliott Trudeau Intl
$597
American Airlines
Feb 22
YUL7:00 amMontreal Pierre Elliott Trudeau Intl
9h 49m
1 stop
EYW4:49 pmKey West
Mar 8
EYW7:42 pmKey West
16h 42m
2 stops
YUL12:24 pmMontreal Pierre Elliott Trudeau Intl
$870

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
Aug 4
YUL6:00 amMontreal Pierre Elliott Trudeau Intl
11h 14m
2 stops
EYW5:14 pmKey West
Aug 11
EYW6:00 pmKey West
5h 56m
1 stop
YUL11:56 pmMontreal Pierre Elliott Trudeau Intl
$573
Delta
Feb 21
YUL12:30 pmMontreal Pierre Elliott Trudeau Intl
7h 12m
1 stop
EYW7:42 pmKey West
Feb 25
EYW1:28 pmKey West
19h 09m
1 stop
YUL8:37 amMontreal Pierre Elliott Trudeau Intl
$685
Delta
Feb 21
YUL6:00 amMontreal Pierre Elliott Trudeau Intl
11h 01m
2 stops
EYW5:01 pmKey West
Feb 25
EYW5:56 pmKey West
14h 41m
2 stops
YUL8:37 amMontreal Pierre Elliott Trudeau Intl
$688

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 February 10, 2026.
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

Fri 3/27

6:45 am-1:37 pm

1 stop6h 52m

Key West

Fri 4/3

2:35 pm-4:28 pm

1 stop25h 53m

$390

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Fri 3/27

6:20 pm-9:06 am

2 stops38h 46m

Key West

Fri 4/3

2:35 pm-4:28 pm

1 stop25h 53m

$459

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Fri 3/27

6:45 am-1:37 pm

1 stop6h 52m

Key West

Fri 4/3

2:35 pm-12:38 am

3 stops34h 03m

$491

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Thu 4/2

2:25 pm-10:37 pm

1 stop8h 12m

Key West

Tue 4/7

6:49 pm-11:44 am

1 stop16h 55m

$509

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Fri 3/27

6:45 am-10:26 am

3 stops27h 41m

Key West

Fri 4/3

2:35 pm-12:30 am

2 stops9h 55m

$559

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Tue 8/4

6:10 am-3:15 pm

1 stop9h 05m

Key West

Tue 8/11

7:00 am-9:01 pm

1 stop14h 01m

$573

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Fri 3/27

6:45 am-10:26 am

3 stops27h 41m

Key West

Fri 4/3

2:35 pm-12:38 am

3 stops34h 03m

$582

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Thu 4/2

4:35 pm-1:37 pm

2 stops21h 02m

Key West

Tue 4/7

12:25 pm-12:30 am

2 stops12h 05m

$593

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Thu 4/2

2:25 pm-10:37 pm

1 stop8h 12m

Key West

Tue 4/7

5:25 pm-12:18 pm

2 stops18h 53m

$597

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Tue 8/4

6:10 pm-3:15 pm

2 stops21h 05m

Key West

Tue 8/11

4:05 pm-8:26 pm

2 stops28h 21m

$600

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?

Delta is the most popular carrier 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 52m

Direct flights

None
The fastest flight from Montreal Pierre Elliott Trudeau Intl Airport to Key West takes 6h 52m
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 52m.

  • 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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