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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Key West from $275

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 11/28. 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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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 - 11:20 amYUL-EYW
28h 35m1 stop
Multiple Airlines Logo
10:47 am - 12:43 amEYW-YUL
13h 56m2 stops
$567Multiple Airlines
Find Deal
Sat, Nov 8 - Sat, Nov 15
Multiple Airlines Logo
5:10 pm - 1:29 pmYUL-EYW
20h 19m2 stops
Multiple Airlines Logo
3:13 pm - 4:55 pmEYW-YUL
25h 42m3 stops
$584Multiple Airlines
Find Deal
Fri, Nov 21 - Mon, Nov 24
Multiple Airlines Logo
6:45 am - 1:29 pmYUL-EYW
30h 44m3 stops
Multiple Airlines Logo
3:13 pm - 4:55 pmEYW-YUL
25h 42m3 stops
$593Multiple Airlines
Find Deal
Fri, Nov 21 - Mon, Nov 24
American Airlines Logo
7:30 am - 1:59 pmYUL-EYW
6h 29m1 stop
American Airlines Logo
12:17 pm - 10:59 pmEYW-YUL
10h 42m1 stop
$599American Airlines
Find Deal
Fri, Nov 21 - Mon, Nov 24
Delta Logo
7:00 am - 5:21 pmYUL-EYW
10h 21m1 stop
Delta Logo
6:18 pm - 11:59 pmEYW-YUL
5h 41m1 stop
$601Delta
Find Deal
Sat, Nov 8 - Sat, Nov 15
Delta Logo
6:00 am - 7:53 pmYUL-EYW
13h 53m2 stops
Delta Logo
6:18 pm - 11:59 pmEYW-YUL
5h 41m1 stop
$639Delta
Find Deal
Fri, Nov 21 - Mon, Nov 24
Delta Logo
7:00 am - 1:02 pmYUL-EYW
6h 02m1 stop
Delta Logo
6:17 pm - 11:48 pmEYW-YUL
5h 31m1 stop
$643Delta
Find Deal
Sun, Nov 2 - Fri, Nov 7
WestJet Logo
6:45 am - 8:06 pmYUL-EYW
13h 21m2 stops
WestJet Logo
6:18 pm - 12:43 amEYW-YUL
30h 25m2 stops
$705WestJet
Find Deal
Sat, Nov 8 - Sat, Nov 15
WestJet Logo
6:45 am - 5:21 pmYUL-EYW
10h 36m2 stops
WestJet Logo
6:18 pm - 11:59 pmEYW-YUL
5h 41m1 stop
$709WestJet
Find Deal
Sun, Oct 19 - Wed, Nov 19
WestJet Logo
6:45 am - 11:27 amYUL-EYW
28h 42m2 stops
WestJet Logo
2:58 pm - 12:43 amEYW-YUL
9h 45m2 stops
$715WestJet
Find Deal
Sun, Oct 19 - Wed, Nov 19

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
Nov 8
YUL7:00 amMontreal Pierre Elliott Trudeau Intl
10h 21m
1 stop
EYW5:21 pmKey West
Nov 15
EYW6:18 pmKey West
5h 41m
1 stop
YUL11:59 pmMontreal Pierre Elliott Trudeau Intl
$601
Find similar
Delta
Nov 21
YUL6:00 amMontreal Pierre Elliott Trudeau Intl
13h 53m
2 stops
EYW7:53 pmKey West
Nov 24
EYW6:18 pmKey West
5h 41m
1 stop
YUL11:59 pmMontreal Pierre Elliott Trudeau Intl
$639
Find similar
Delta
Nov 2
YUL7:00 amMontreal Pierre Elliott Trudeau Intl
6h 02m
1 stop
EYW1:02 pmKey West
Nov 7
EYW6:17 pmKey West
5h 31m
1 stop
YUL11:48 pmMontreal Pierre Elliott Trudeau Intl
$643
Find similar

WestJet flights from Montreal Pierre Elliott Trudeau Intl Airport to Key West

Our best WestJet deals on Montreal Pierre Elliott Trudeau Intl Airport to Key West flight tickets
WestJet
Nov 8
YUL6:45 amMontreal Pierre Elliott Trudeau Intl
13h 21m
2 stops
EYW8:06 pmKey West
Nov 15
EYW6:18 pmKey West
30h 25m
2 stops
YUL12:43 amMontreal Pierre Elliott Trudeau Intl
$705
Find similar
WestJet
Oct 19
YUL6:45 amMontreal Pierre Elliott Trudeau Intl
10h 36m
2 stops
EYW5:21 pmKey West
Nov 19
EYW6:18 pmKey West
5h 41m
1 stop
YUL11:59 pmMontreal Pierre Elliott Trudeau Intl
$709
Find similar
WestJet
Oct 19
YUL6:45 amMontreal Pierre Elliott Trudeau Intl
28h 42m
2 stops
EYW11:27 amKey West
Nov 19
EYW2:58 pmKey West
9h 45m
2 stops
YUL12:43 amMontreal Pierre Elliott Trudeau Intl
$715
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 October 14, 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

Sat 11/8

6:45 am-11:20 am

1 stop28h 35m

Key West

Sat 11/15

10:47 am-12:43 am

2 stops13h 56m

$567

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Fri 11/21

5:10 pm-1:29 pm

2 stops20h 19m

Key West

Mon 11/24

3:13 pm-4:55 pm

3 stops25h 42m

$584

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Fri 11/21

6:45 am-1:29 pm

3 stops30h 44m

Key West

Mon 11/24

3:13 pm-4:55 pm

3 stops25h 42m

$593

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Fri 11/21

7:30 am-1:59 pm

1 stop6h 29m

Key West

Mon 11/24

12:17 pm-10:59 pm

1 stop10h 42m

$599

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Sat 11/8

7:00 am-5:21 pm

1 stop10h 21m

Key West

Sat 11/15

6:18 pm-11:59 pm

1 stop5h 41m

$601

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Fri 11/21

6:00 am-7:53 pm

2 stops13h 53m

Key West

Mon 11/24

6:18 pm-11:59 pm

1 stop5h 41m

$639

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Sun 11/2

7:00 am-1:02 pm

1 stop6h 02m

Key West

Fri 11/7

6:17 pm-11:48 pm

1 stop5h 31m

$643

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Sat 11/8

6:45 am-8:06 pm

2 stops13h 21m

Key West

Sat 11/15

6:18 pm-12:43 am

2 stops30h 25m

$705

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Sun 10/19

6:45 am-5:21 pm

2 stops10h 36m

Key West

Wed 11/19

6:18 pm-11:59 pm

1 stop5h 41m

$709

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Sun 10/19

6:45 am-11:27 am

2 stops28h 42m

Key West

Wed 11/19

2:58 pm-12:43 am

2 stops9h 45m

$715

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 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

Direct flights

None
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.
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  • 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 02m.

  • 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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