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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Key West from C$ 322

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 24/12. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — EYW
18 Dec — 25 Dec1
1 adult
1 adult, Economy, 0 bags

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 18 November 2025.

Round-trip from

C$ 447

One-way from

C$ 322
18/1-23/1
  • 18/1-23/1
  • 2 total stops
  • 55h 27m total
  • Montreal to Key West
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24/12
  • 24/12
  • 3 total stops
  • 13h 10m 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 18 November 2025.

Sat 22/114:35 p.m.YUL - EYW
1 stop15h 40mMultiple Airlines
Sat 29/113:41 p.m.EYW - YUL
2 stops27h 44mMultiple Airlines
Deal found 17/11C$ 618
Fri 5/128:00 a.m.YUL - EYW
1 stop29h 30mMultiple Airlines
Fri 12/128:55 a.m.EYW - YUL
2 stops30h 15mMultiple Airlines
Deal found 17/11C$ 663
Fri 5/127:00 a.m.YUL - EYW
1 stop7h 07mDelta
Fri 12/127:40 a.m.EYW - YUL
1 stop9h 45mDelta
Deal found 17/11C$ 900
Mon 24/116:00 a.m.YUL - EYW
2 stops11h 23mDelta
Mon 1/126:18 p.m.EYW - YUL
1 stop5h 41mDelta
Deal found 17/11C$ 967
Fri 5/126:45 a.m.YUL - EYW
2 stops10h 30mWestJet
Fri 12/1212:38 p.m.EYW - YUL
2 stops12h 05mWestJet
Deal found 17/11C$ 997
Mon 24/117:00 a.m.YUL - EYW
2 stops16h 50mAmerican Airlines
Mon 1/1211:44 a.m.EYW - YUL
2 stops10h 56mAmerican Airlines
Deal found 17/11C$ 1,024
Mon 24/117:00 p.m.YUL - EYW
3 stops18h 49mUnited Airlines
Mon 1/124:05 p.m.EYW - YUL
2 stops23h 11mUnited Airlines
Deal found 17/11C$ 1,486

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 18 November 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

Sun 18/1

4:35 p.m.-1:30 p.m.

2 stops20h 55m

Key West

Fri 23/1

2:25 p.m.-4:30 p.m.

3 stops26h 05m

C$ 649

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Thu 1/1

4:35 p.m.-12:30 p.m.

1 stop19h 55m

Key West

Thu 8/1

12:15 p.m.-4:55 p.m.

2 stops28h 40m

C$ 662

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Fri 5/12

8:00 a.m.-1:30 p.m.

1 stop29h 30m

Key West

Fri 12/12

8:55 a.m.-3:10 p.m.

2 stops30h 15m

C$ 663

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Fri 6/3

12:30 p.m.-7:42 p.m.

1 stop7h 12m

Key West

Sat 14/3

1:30 p.m.-8:47 a.m.

1 stop19h 17m

C$ 792

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Wed 4/3

9:29 a.m.-5:12 p.m.

2 stops7h 43m

Key West

Sat 14/3

1:30 p.m.-8:47 a.m.

1 stop19h 17m

C$ 792

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Thu 5/3

12:30 p.m.-7:42 p.m.

1 stop7h 12m

Key West

Sat 14/3

1:30 p.m.-8:47 a.m.

1 stop19h 17m

C$ 792

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Tue 31/3

6:00 a.m.-1:36 p.m.

1 stop7h 36m

Key West

Wed 1/4

6:22 p.m.-12:13 a.m.

1 stop5h 51m

C$ 826

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Wed 24/12

6:45 a.m.-7:55 p.m.

3 stops13h 10m

C$ 322

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Sun 1/3

11:25 a.m.-12:26 p.m.

3 stops25h 01m

C$ 366

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Wed 24/12

7:00 a.m.-3:45 p.m.

1 stop8h 45m

C$ 568

Flights are sorted by cheapest round-trip flights first.

Deals found on 17/11

Showing 1-10 of 11 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.

  • 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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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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