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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Key West from $328

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 10/8. 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 (YUL-EYW)

Cheap round-trip flights

Delta Logo
7:00 am - 1:02 pmYUL-EYW
6h 02m1 stop
Delta Logo
6:17 pm - 11:48 pmEYW-YUL
5h 31m1 stop
$594Delta
Find Deal
Sun, Oct 5 - Thu, Oct 9
Delta Logo
7:00 am - 8:07 pmYUL-EYW
13h 07m2 stops
Delta Logo
11:50 am - 5:50 pmEYW-YUL
6h 00m1 stop
$597Delta
Find Deal
Tue, Sep 23 - Tue, Sep 30
American Airlines Logo
2:31 pm - 12:10 pmYUL-EYW
21h 39m1 stop
American Airlines Logo
12:50 pm - 10:44 pmEYW-YUL
9h 54m1 stop
$611American Airlines
Find Deal
Sun, Oct 5 - Thu, Oct 9
American Airlines Logo
4:09 pm - 12:10 pmYUL-EYW
20h 01m2 stops
American Airlines Logo
12:50 pm - 10:44 pmEYW-YUL
9h 54m1 stop
$621American Airlines
Find Deal
Sun, Oct 5 - Thu, Oct 9
American Airlines Logo
7:25 am - 6:59 pmYUL-EYW
11h 34m2 stops
American Airlines Logo
1:59 pm - 10:32 pmEYW-YUL
8h 33m2 stops
$626American Airlines
Find Deal
Tue, Sep 23 - Tue, Sep 30
American Airlines Logo
2:31 pm - 10:52 amYUL-EYW
20h 21m2 stops
American Airlines Logo
5:47 pm - 9:50 amEYW-YUL
16h 03m2 stops
$655American Airlines
Find Deal
Sun, Oct 5 - Thu, Oct 9
American Airlines Logo
5:40 pm - 11:24 amYUL-EYW
17h 44m2 stops
American Airlines Logo
3:10 pm - 10:45 pmEYW-YUL
7h 35m1 stop
$681American Airlines
Find Deal
Mon, Dec 22 - Fri, Dec 26
Delta Logo
6:00 am - 5:21 pmYUL-EYW
11h 21m2 stops
Delta Logo
1:57 pm - 11:14 pmEYW-YUL
9h 17m2 stops
$707Delta
Find Deal
Thu, Oct 9 - Thu, Oct 16
WestJet Logo
5:52 pm - 10:49 amYUL-EYW
16h 57m1 stop
WestJet Logo
6:02 pm - 11:59 pmEYW-YUL
5h 57m1 stop
$764WestJet
Find Deal
Mon, Dec 22 - Fri, Dec 26
WestJet Logo
6:45 am - 5:08 pmYUL-EYW
10h 23m2 stops
WestJet Logo
7:25 am - 12:43 amEYW-YUL
17h 18m2 stops
$776WestJet
Find Deal
Mon, Dec 22 - Fri, Dec 26

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
Oct 5
YUL7:00 amMontreal Pierre Elliott Trudeau Intl
6h 02m
1 stop
EYW1:02 pmKey West
Oct 9
EYW6:17 pmKey West
5h 31m
1 stop
YUL11:48 pmMontreal Pierre Elliott Trudeau Intl
$594
Find similar
Delta
Sep 23
YUL7:00 amMontreal Pierre Elliott Trudeau Intl
13h 07m
2 stops
EYW8:07 pmKey West
Sep 30
EYW11:50 amKey West
6h 00m
1 stop
YUL5:50 pmMontreal Pierre Elliott Trudeau Intl
$597
Find similar
Delta
Oct 9
YUL6:00 amMontreal Pierre Elliott Trudeau Intl
11h 21m
2 stops
EYW5:21 pmKey West
Oct 16
EYW1:57 pmKey West
9h 17m
2 stops
YUL11:14 pmMontreal Pierre Elliott Trudeau Intl
$707
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
Oct 5
YUL2:31 pmMontreal Pierre Elliott Trudeau Intl
21h 39m
1 stop
EYW12:10 pmKey West
Oct 9
EYW12:50 pmKey West
9h 54m
1 stop
YUL10:44 pmMontreal Pierre Elliott Trudeau Intl
$611
Find similar
American Airlines
Oct 5
YUL4:09 pmMontreal Pierre Elliott Trudeau Intl
20h 01m
2 stops
EYW12:10 pmKey West
Oct 9
EYW12:50 pmKey West
9h 54m
1 stop
YUL10:44 pmMontreal Pierre Elliott Trudeau Intl
$621
Find similar
American Airlines
Sep 23
YUL7:25 amMontreal Pierre Elliott Trudeau Intl
11h 34m
2 stops
EYW6:59 pmKey West
Sep 30
EYW1:59 pmKey West
8h 33m
2 stops
YUL10:32 pmMontreal Pierre Elliott Trudeau Intl
$626
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 August 25, 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 10/5

7:00 am-1:02 pm

1 stop6h 02m

Key West

Thu 10/9

6:17 pm-11:48 pm

1 stop5h 31m

$594

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Tue 9/23

7:00 am-8:07 pm

2 stops13h 07m

Key West

Tue 9/30

11:50 am-5:50 pm

1 stop6h 00m

$597

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Sun 10/5

2:31 pm-12:10 pm

1 stop21h 39m

Key West

Thu 10/9

12:50 pm-10:44 pm

1 stop9h 54m

$611

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Sun 10/5

4:09 pm-12:10 pm

2 stops20h 01m

Key West

Thu 10/9

12:50 pm-10:44 pm

1 stop9h 54m

$621

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Tue 9/23

7:25 am-6:59 pm

2 stops11h 34m

Key West

Tue 9/30

1:59 pm-10:32 pm

2 stops8h 33m

$626

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Sun 10/5

2:31 pm-10:52 am

2 stops20h 21m

Key West

Thu 10/9

5:47 pm-9:50 am

2 stops16h 03m

$655

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Mon 12/22

5:40 pm-11:24 am

2 stops17h 44m

Key West

Fri 12/26

3:10 pm-10:45 pm

1 stop7h 35m

$681

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Thu 10/9

6:00 am-5:21 pm

2 stops11h 21m

Key West

Thu 10/16

1:57 pm-11:14 pm

2 stops9h 17m

$707

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Mon 12/22

5:52 pm-10:49 am

1 stop16h 57m

Key West

Fri 12/26

6:02 pm-11:59 pm

1 stop5h 57m

$764

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Mon 12/22

6:45 am-5:08 pm

2 stops10h 23m

Key West

Fri 12/26

7:25 am-12:43 am

2 stops17h 18m

$776

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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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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