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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Key West from C$ 401

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 10/8. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — EYW
4 Jul — 11 Jul1
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 4 June 2026.

Sat 5/126:15 p.m.
YUL
-
EYW
1 stop16h 43m
WestJet
Tue 15/126:00 p.m.
EYW
-
YUL
1 stop23h 03m
WestJet
Deal found 2/6C$ 893
Sun 6/97:00 a.m.
YUL
-
EYW
1 stop5h 26m
Delta
Thu 10/92:35 p.m.
EYW
-
YUL
1 stop9h 21m
Delta
Deal found 2/6C$ 901
Fri 17/76:00 a.m.
YUL
-
EYW
1 stop7h 30m
United Airlines
Fri 24/72:26 p.m.
EYW
-
YUL
1 stop7h 40m
United Airlines
Deal found 1/6C$ 903
Thu 29/106:45 a.m.
YUL
-
EYW
2 stops10h 26m
WestJet
Tue 3/116:00 p.m.
EYW
-
YUL
1 stop17h 44m
WestJet
Deal found 2/6C$ 917
Fri 17/77:51 a.m.
YUL
-
EYW
2 stops10h 57m
American Airlines
Fri 24/74:41 p.m.
EYW
-
YUL
1 stop6h 15m
American Airlines
Deal found 1/6C$ 921
Sun 19/77:17 a.m.
YUL
-
EYW
1 stop11h 31m
American Airlines
Sun 26/77:33 p.m.
EYW
-
YUL
2 stops16h 56m
American Airlines
Deal found 31/5C$ 924
Mon 10/87:00 a.m.
YUL
-
EYW
1 stop10h 20m
Delta
Fri 14/81:57 p.m.
EYW
-
YUL
1 stop10h 02m
Delta
Deal found 2/6C$ 928
Sun 28/66:00 a.m.
YUL
-
EYW
1 stop7h 30m
United Airlines
Sat 4/72:26 p.m.
EYW
-
YUL
1 stop7h 40m
United Airlines
Deal found 31/5C$ 937
Sat 5/127:30 a.m.
YUL
-
EYW
2 stops12h 04m
American Airlines
Tue 15/1212:00 p.m.
EYW
-
YUL
2 stops10h 42m
American Airlines
Deal found 2/6C$ 954

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 4 June 2026.

Round-trip from

C$ 901

One-way from

C$ 401
Delta
  • Delta
  • 6/9-10/9
  • 2 total stops
  • 14h 47m total
  • Montreal to Key West
Search Deals
10/8
  • 10/8
  • 3 total stops
  • 29h 49m 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 4 June 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

Cheapest round-trip
Quickest round-trip

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Sun 6/9

7:00 a.m.-12:26 p.m.

1 stop5h 26m

Key West

Thu 10/9

2:35 p.m.-11:56 p.m.

1 stop9h 21m

C$ 901

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Thu 29/10

12:45 p.m.-7:43 p.m.

1 stop6h 58m

Key West

Tue 3/11

7:00 a.m.-5:03 p.m.

1 stop10h 03m

C$ 903

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Sun 19/7

6:00 a.m.-1:30 p.m.

1 stop7h 30m

Key West

Sun 26/7

2:26 p.m.-10:06 p.m.

1 stop7h 40m

C$ 904

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Wed 1/7

6:00 a.m.-1:30 p.m.

1 stop7h 30m

Key West

Wed 8/7

2:26 p.m.-10:06 p.m.

1 stop7h 40m

C$ 904

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Thu 29/10

6:45 a.m.-5:11 p.m.

2 stops10h 26m

Key West

Tue 3/11

6:00 p.m.-11:44 a.m.

1 stop17h 44m

C$ 917

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Fri 17/7

7:51 a.m.-6:48 p.m.

2 stops10h 57m

Key West

Fri 24/7

4:41 p.m.-10:56 p.m.

1 stop6h 15m

C$ 921

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Sun 28/6

6:00 a.m.-1:30 p.m.

1 stop7h 30m

Key West

Sat 4/7

2:26 p.m.-10:06 p.m.

1 stop7h 40m

C$ 937

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Sun 28/6

7:50 a.m.-7:10 p.m.

2 stops11h 20m

Key West

Sat 4/7

7:55 p.m.-3:19 p.m.

2 stops19h 24m

C$ 969
Cheapest one-way

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Mon 10/8

6:45 a.m.-12:34 p.m.

3 stops29h 49m

C$ 401

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Wed 15/7

7:20 p.m.-11:27 a.m.

2 stops40h 07m

C$ 444

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/6

Showing 1-10 of 13 resultsSorted by cheapest first
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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 26m. Fly via Delta or United Airlines to get the fastest option. There are 2432 km between Montreal Pierre Elliott Trudeau Intl Airport and Key West. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • 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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