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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Key West from C$ 266

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 7/5. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — EYW
21 Mar — 28 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Pierre Elliott Trudeau Intl to Key West

Enter your travel dates to find the best prices.

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 19 February 2026.

Wed 25/35:25 p.m.
YUL
-
EYW
2 stops15h 41m
Multiple Airlines
Sun 29/39:46 a.m.
EYW
-
YUL
1 stop14h 44m
Multiple Airlines
Deal found 17/2C$ 566
Fri 1/57:29 a.m.
YUL
-
EYW
1 stop5h 52m
American Airlines
Tue 5/56:49 p.m.
EYW
-
YUL
1 stop16h 55m
American Airlines
Deal found 17/2C$ 701
Thu 2/46:45 a.m.
YUL
-
EYW
2 stops30h 52m
Multiple Airlines
Thu 9/412:25 p.m.
EYW
-
YUL
1 stop12h 20m
Multiple Airlines
Deal found 16/2C$ 764
Fri 1/59:30 a.m.
YUL
-
EYW
2 stops10h 10m
Delta
Tue 5/511:45 a.m.
EYW
-
YUL
1 stop5h 49m
Delta
Deal found 17/2C$ 783
Tue 7/47:00 a.m.
YUL
-
EYW
1 stop10h 30m
Delta
Wed 15/47:33 a.m.
EYW
-
YUL
2 stops11h 18m
Delta
Deal found 16/2C$ 786
Thu 2/49:15 a.m.
YUL
-
EYW
1 stop7h 27m
United Airlines
Thu 9/46:22 p.m.
EYW
-
YUL
1 stop5h 51m
United Airlines
Deal found 16/2C$ 808
Sun 12/77:29 a.m.
YUL
-
EYW
1 stop8h 43m
American Airlines
Sun 19/711:28 a.m.
EYW
-
YUL
1 stop11h 55m
American Airlines
Deal found 15/2C$ 839
Wed 25/39:15 a.m.
YUL
-
EYW
1 stop7h 21m
United Airlines
Sun 29/36:22 p.m.
EYW
-
YUL
1 stop5h 51m
United Airlines
Deal found 18/2C$ 844
Mon 20/49:30 a.m.
YUL
-
EYW
2 stops10h 10m
Delta
Thu 23/47:33 a.m.
EYW
-
YUL
2 stops11h 18m
Delta
Deal found 16/2C$ 895

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 19 February 2026.

Round-trip from

C$ 566

One-way from

C$ 266
25/3-29/3
  • 25/3-29/3
  • 3 total stops
  • 30h 25m total
  • Montreal to Key West
Search Deals
7/5
  • 7/5
  • 2 total stops
  • 28h 45m total
  • Montreal to Key West
Search Deals

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 629,999 searches. Data last updated 19 February 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

Wed 25/3

5:25 p.m.-9:06 a.m.

2 stops15h 41m

Key West

Sun 29/3

9:46 a.m.-12:30 a.m.

1 stop14h 44m

C$ 566

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Fri 1/5

7:29 a.m.-1:21 p.m.

1 stop5h 52m

Key West

Tue 5/5

6:49 p.m.-11:44 a.m.

1 stop16h 55m

C$ 701

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Thu 2/4

6:45 a.m.-1:37 p.m.

2 stops30h 52m

Key West

Thu 9/4

12:25 p.m.-12:45 a.m.

1 stop12h 20m

C$ 764

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Fri 1/5

9:30 a.m.-7:40 p.m.

2 stops10h 10m

Key West

Tue 5/5

11:45 a.m.-5:34 p.m.

1 stop5h 49m

C$ 783

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Tue 7/4

11:23 a.m.-5:39 p.m.

1 stop6h 16m

Key West

Wed 15/4

2:35 p.m.-10:06 p.m.

1 stop7h 31m

C$ 786

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Tue 7/4

6:00 a.m.-7:41 p.m.

2 stops13h 41m

Key West

Wed 15/4

7:33 a.m.-6:51 p.m.

2 stops11h 18m

C$ 786

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Mon 20/4

9:30 a.m.-7:40 p.m.

2 stops10h 10m

Key West

Thu 23/4

11:45 a.m.-5:35 p.m.

1 stop5h 50m

C$ 786

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Sat 4/4

3:55 p.m.-9:06 a.m.

2 stops17h 11m

C$ 279

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Sat 9/5

6:45 a.m.-11:11 a.m.

1 stop28h 26m

C$ 299

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Thu 7/5

6:45 a.m.-11:11 a.m.

3 stops28h 26m

C$ 351

Flights are sorted by cheapest round-trip flights first.

Deals found on 18/2

Showing 1-10 of 17 results
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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?

    For a flight from Montreal Pierre Elliott Trudeau Intl to Key West, you will be flying into Key West. Key West (EYW) is just 4.2 km from the centre of the city. Key West is the only Key West airport and it handles 0 inbound flights from Montreal Pierre Elliott Trudeau Intl per day. 0 airlines have flights to Key West from Montreal Pierre Elliott Trudeau Intl on a regular basis.

  • How long is the flight from Montreal Pierre Elliott Trudeau Intl Airport to Key West?

    There are many flights that can get you from Montreal Pierre Elliott Trudeau Intl Airport to Key West in 5h 52m. Fly via American Airlines to get the fastest option. There are 2432 km between Montreal Pierre Elliott Trudeau Intl Airport and Key West.

  • 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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Why should you use Cheapflights to find cheap flight tickets from Pierre Elliott Trudeau Intl to Key West?

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Can Cheapflights find flights from Pierre Elliott Trudeau Intl to Key West with no change fees?

Need flexible booking options for your flight to Key West from Pierre Elliott Trudeau Intl? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Pierre Elliott Trudeau Intl to Key West become cheaper?

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