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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Key West from C$ 377

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 14/11. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — EYW
1 Nov — 8 Nov1
1 adult
1 adult, Economy

Cheap 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 2 October 2025.

Round-trip from

C$ 695

One-way from

C$ 377
Delta
  • Delta
  • 4/11-8/11
  • 3 total stops
  • 28h 04m total
  • Montreal to Key West
Search Deals
14/11
  • 14/11
  • 2 total stops
  • 23h 32m total
  • Montreal to Key West
Search Deals

Find 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 2 October 2025.

Tue 4/119:28 a.m.YUL - EYW
2 stops10h 38mDelta
Sat 8/113:10 p.m.EYW - YUL
1 stop17h 26mDelta
Deal found 30/9C$ 695
Sat 15/114:35 p.m.YUL - EYW
1 stop15h 40mMultiple Airlines
Sat 22/1111:28 a.m.EYW - YUL
2 stops28h 57mMultiple Airlines
Deal found 1/10C$ 713
Sat 8/119:28 a.m.YUL - EYW
2 stops10h 38mDelta
Tue 11/116:18 p.m.EYW - YUL
1 stop5h 41mDelta
Deal found 30/9C$ 783
Sat 15/111:15 p.m.YUL - EYW
2 stops24h 31mUnited Airlines
Sat 22/113:00 p.m.EYW - YUL
2 stops20h 30mUnited Airlines
Deal found 1/10C$ 816
Tue 4/117:00 a.m.YUL - EYW
1 stop10h 51mAmerican Airlines
Sat 8/118:00 a.m.EYW - YUL
1 stop5h 49mAmerican Airlines
Deal found 30/9C$ 840
Fri 7/119:28 a.m.YUL - EYW
2 stops10h 38mDelta
Tue 11/116:18 p.m.EYW - YUL
1 stop5h 41mDelta
Deal found 30/9C$ 843
Sat 15/117:00 a.m.YUL - EYW
1 stop7h 03mDelta
Sat 22/112:58 p.m.EYW - YUL
1 stop9h 01mDelta
Deal found 1/10C$ 844
Fri 7/117:00 a.m.YUL - EYW
2 stops10h 01mAmerican Airlines
Tue 11/117:53 p.m.EYW - YUL
2 stops16h 22mAmerican Airlines
Deal found 30/9C$ 871
Sat 4/106:45 a.m.YUL - EYW
1 stop25h 30mMultiple Airlines
Mon 6/108:55 a.m.EYW - YUL
2 stops24h 07mMultiple Airlines
Deal found 30/9C$ 889

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 2 October 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

Pierre Elliott Trudeau Intl

Fly to

Key West

Route

Depart

Return

Price

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Sat 15/11

4:35 p.m.-8:15 a.m.

1 stop15h 40m

Key West

Sat 22/11

11:28 a.m.-4:25 p.m.

2 stops28h 57m

C$ 713

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Sat 1/11

2:25 p.m.-9:06 p.m.

2 stops30h 41m

Key West

Tue 4/11

6:17 p.m.-11:48 p.m.

1 stop5h 31m

C$ 795

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Sat 15/11

1:15 p.m.-1:46 p.m.

2 stops24h 31m

Key West

Sat 22/11

3:00 p.m.-11:30 a.m.

2 stops20h 30m

C$ 816

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Tue 31/3

6:00 a.m.-5:13 p.m.

2 stops11h 13m

Key West

Wed 1/4

6:00 p.m.-11:54 p.m.

1 stop5h 54m

C$ 827

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Sat 1/11

2:35 p.m.-9:56 p.m.

1 stop7h 21m

Key West

Tue 4/11

7:31 a.m.-1:46 p.m.

1 stop6h 15m

C$ 840

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Sat 15/11

7:00 a.m.-2:03 p.m.

1 stop7h 03m

Key West

Sat 22/11

2:58 p.m.-11:59 p.m.

1 stop9h 01m

C$ 844

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Fri 5/12

7:00 a.m.-5:15 p.m.

1 stop10h 15m

Key West

Thu 11/12

12:37 p.m.-11:47 p.m.

2 stops11h 10m

C$ 858

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/10

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 24h 31m. 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.

See more FAQs

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How does Cheapflights help users find flights 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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