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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Key West from C$ 395

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 12/8. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — EYW
31 Jul — 7 Aug1
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 1 July 2026.

Sat 19/97:29 a.m.
YUL
-
EYW
2 stops11h 48m
American Airlines
Sat 26/911:30 a.m.
EYW
-
YUL
2 stops11h 22m
American Airlines
Deal found 27/6C$ 880
Fri 11/97:43 p.m.
YUL
-
EYW
2 stops15h 04m
Delta
Fri 18/96:19 p.m.
EYW
-
YUL
2 stops14h 16m
Delta
Deal found 30/6C$ 887
Mon 21/97:43 p.m.
YUL
-
EYW
2 stops15h 04m
Delta
Thu 1/106:19 p.m.
EYW
-
YUL
1 stop5h 40m
Delta
Deal found 26/6C$ 900
Wed 28/107:00 a.m.
YUL
-
EYW
1 stop6h 04m
Delta
Sat 31/106:11 p.m.
EYW
-
YUL
2 stops15h 31m
Delta
Deal found 29/6C$ 901
Sat 19/92:25 p.m.
YUL
-
EYW
2 stops20h 22m
Delta
Sat 26/96:19 p.m.
EYW
-
YUL
1 stop5h 40m
Delta
Deal found 27/6C$ 928
Thu 23/76:00 a.m.
YUL
-
EYW
1 stop7h 30m
United Airlines
Wed 29/72:26 p.m.
EYW
-
YUL
1 stop7h 40m
United Airlines
Deal found 29/6C$ 947
Thu 23/77:00 a.m.
YUL
-
EYW
1 stop12h 51m
Multiple Airlines
Thu 30/712:05 p.m.
EYW
-
YUL
2 stops30h 10m
Multiple Airlines
Deal found 28/6C$ 964
Thu 23/77:00 a.m.
YUL
-
EYW
1 stop12h 51m
Multiple Airlines
Mon 27/712:07 p.m.
EYW
-
YUL
2 stops30h 08m
Multiple Airlines
Deal found 28/6C$ 984

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 1 July 2026.

Round-trip from

C$ 880

One-way from

C$ 395
American Airlines
  • American Airlines
  • 19/9-26/9
  • 4 total stops
  • 23h 10m total
  • Montreal to Key West
Search Deals
12/8
  • 12/8
  • 3 total stops
  • 36h 28m 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 1 July 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

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Fri 11/9

7:43 p.m.-10:47 a.m.

2 stops15h 04m

Key West

Fri 18/9

6:19 p.m.-8:35 a.m.

2 stops14h 16m

C$ 887

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Wed 28/10

7:00 a.m.-1:04 p.m.

1 stop6h 04m

Key West

Sat 31/10

6:11 p.m.-9:42 a.m.

2 stops15h 31m

C$ 900

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Mon 21/9

7:43 p.m.-10:47 a.m.

2 stops15h 04m

Key West

Thu 1/10

6:19 p.m.-11:59 p.m.

1 stop5h 40m

C$ 900
Quickest round-trip

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Sat 25/7

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

1 stop7h 30m

Key West

Wed 29/7

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

1 stop7h 40m

C$ 947

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Thu 23/7

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

1 stop7h 30m

Key West

Wed 29/7

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

1 stop7h 40m

C$ 947

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Thu 23/7

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

1 stop7h 30m

Key West

Tue 28/7

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

1 stop7h 40m

C$ 947
Cheapest one-way

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Wed 12/8

6:45 a.m.-7:13 p.m.

3 stops36h 28m

C$ 395
Quickest one-way

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Mon 21/9

6:00 a.m.-1:29 p.m.

1 stop7h 29m

C$ 499

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Wed 12/8

6:00 a.m.-1:29 p.m.

1 stop7h 29m

C$ 499

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Mon 21/9

6:45 a.m.-10:47 a.m.

2 stops28h 02m

C$ 550

Flights are sorted by cheapest round-trip flights first.

Deals found on 30/6

Showing 1-10 of 11 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 15h 04m. Fly via Delta 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?

Yes! Start tracking prices for Pierre Elliott Trudeau Intl to Key West flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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