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$246+ Cheap flights from Pierre Elliott Trudeau Intl (YUL) to Key West (EYW)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/27. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — EYW
Mar 15 — Mar 221
Sun 3/15
Sun 3/22
1 adult, Economy
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Cheap flight deals from Pierre Elliott Trudeau Intl to Key West

Cheapest flights from Pierre Elliott Trudeau Intl to Key West
Explore the most affordable flight options available from Pierre Elliott Trudeau Intl to Key West. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 13, 2026.

This Kiwi.com deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/138:00 am
YUL
-
EYW
1 stop27h 30m
Multiple Airlines
Sun 4/1912:06 pm
EYW
-
YUL
1 stop28h 22m
Multiple Airlines
Deal found 2/11$344
This Kiwi.com deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/276:45 am
YUL
-
EYW
1 stop6h 52m
Multiple Airlines
Fri 4/32:35 pm
EYW
-
YUL
1 stop25h 53m
Multiple Airlines
Deal found 2/9$390
This Kiwi.com deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/298:00 am
YUL
-
EYW
1 stop29h 37m
Multiple Airlines
Sun 4/59:46 am
EYW
-
YUL
1 stop14h 44m
Multiple Airlines
Deal found 2/12$404
This Kiwi.com deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/185:25 pm
YUL
-
EYW
2 stops15h 41m
Multiple Airlines
Sun 4/2612:06 pm
EYW
-
YUL
1 stop28h 22m
Multiple Airlines
Deal found 2/11$412

Find flight deals from Pierre Elliott Trudeau Intl to Key West

Discover tips and strategies to find the most affordable flight options for your journey from Pierre Elliott Trudeau Intl (YUL) to Key West (EYW). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 13, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$344
(Kiwi.com)

One-way from

$246
(Mytrip)
Provider with most accurate pricing for Montreal Pierre Elliott Trudeau Intl-Key West flight deals.
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Provider most trusted by Cheapflights users for Montreal Pierre Elliott Trudeau Intl-Key West flights.
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From Montreal Pierre Elliott Trudeau Intl to Key West
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One-way flight from Montreal Pierre Elliott Trudeau Intl to Key West
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Pierre Elliott Trudeau Intl 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, Cheapflights users made 2,558,603 searches. Data last updated February 13, 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

Pierre Elliott Trudeau Intl

Fly to

Key West

Route

Depart

Return

Price

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Mon 4/13

8:00 am-12:21 pm

2 stops28h 21m

Key West

Sun 4/19

12:06 pm-4:28 pm

1 stop28h 22m

$385

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

Sun 3/29

8:00 am-1:37 pm

1 stop29h 37m

Key West

Sun 4/5

9:46 am-12:30 am

1 stop14h 44m

$404

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Sat 4/18

8:00 am-11:11 am

1 stop27h 11m

Key West

Sun 4/26

12:06 pm-4:28 pm

1 stop28h 22m

$421

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Sat 4/18

7:20 am-10:36 pm

1 stop15h 16m

Key West

Sat 4/25

2:01 pm-10:58 pm

1 stop8h 57m

$641

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Sun 3/29

7:12 am-7:12 pm

2 stops12h 00m

Key West

Sun 4/5

7:45 am-10:56 pm

2 stops15h 11m

$674

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Sun 2/22

8:00 am-1:30 pm

1 stop29h 30m

Key West

Sun 3/1

9:46 am-12:38 am

2 stops38h 52m

$688

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Fri 3/27

6:45 am-1:37 pm

1 stop6h 52m

$246

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/9

  • Most accurate provider: When it comes to deals on Montreal Pierre Elliott Trudeau Intl Airport-Key West flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Montreal Pierre Elliott Trudeau Intl Airport-Key West flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Montreal Pierre Elliott Trudeau Intl Airport-Key West flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Montreal Pierre Elliott Trudeau Intl Airport-Key West flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Montreal Pierre Elliott Trudeau Intl Airport-Key West flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Pierre Elliott Trudeau Intl to Key West

Have a flexible travel schedule? Discover the best time to fly to Key West from Pierre Elliott Trudeau Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from Pierre Elliott Trudeau Intl to Key West. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Key West from Montreal Pierre Elliott Trudeau Intl?

    Most people fly into Key West (EYW) if they book a flight to Key West from Montreal Pierre Elliott Trudeau Intl. On average, Key West has 0 inbound flights from Montreal Pierre Elliott Trudeau Intl per day from 0 airlines. Key West is conveniently located just 2.6 mi from Key West’s city center.

  • Can I find deals for flights from Pierre Elliott Trudeau Intl to Key West that include hotel bookings?

    Yes. In addition to deals on Pierre Elliott Trudeau Intl to Key West flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Pierre Elliott Trudeau Intl to Key West?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Pierre Elliott Trudeau Intl to Key West.

  • Can I find deals for business class flights from Pierre Elliott Trudeau Intl to Key West?

    Yes. Cheapflights offers flight deals from Pierre Elliott Trudeau Intl to Key West by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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