Find flights
When to book
FAQs

Cheap flights from Montreal to Key West from C$ 294

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 17/3. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — EYW
5 Mar — 12 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Montreal to Key West

Enter your travel dates to find the best prices.

Cheapest flights from Montreal to Key West
Explore the most affordable flight options available from Montreal to Key West. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 February 2026.

Sat 7/24:35 p.m.
YUL
-
EYW
1 stop16h 31m
Multiple Airlines
Tue 17/21:01 p.m.
EYW
-
YUL
2 stops27h 21m
Multiple Airlines
Deal found 2/2C$ 568
Sun 8/24:35 p.m.
YUL
-
EYW
1 stop19h 51m
Multiple Airlines
Tue 17/21:01 p.m.
EYW
-
YUL
2 stops27h 21m
Multiple Airlines
Deal found 2/2C$ 594
Sat 7/24:35 p.m.
YUL
-
EYW
1 stop16h 31m
Multiple Airlines
Fri 20/22:25 p.m.
EYW
-
YUL
1 stop10h 20m
Multiple Airlines
Deal found 2/2C$ 605
Sun 8/24:35 p.m.
YUL
-
EYW
1 stop19h 51m
Multiple Airlines
Fri 20/22:25 p.m.
EYW
-
YUL
1 stop10h 20m
Multiple Airlines
Deal found 2/2C$ 630
Sat 7/24:35 p.m.
YUL
-
EYW
1 stop16h 31m
Multiple Airlines
Thu 19/22:25 p.m.
EYW
-
YUL
1 stop24h 45m
Multiple Airlines
Deal found 2/2C$ 635
Sun 22/26:45 a.m.
YUL
-
EYW
2 stops30h 45m
Multiple Airlines
Mon 2/31:06 p.m.
EYW
-
YUL
1 stop11h 24m
Multiple Airlines
Deal found 1/2C$ 636
Sun 8/24:35 p.m.
YUL
-
EYW
1 stop19h 51m
Multiple Airlines
Thu 19/22:25 p.m.
EYW
-
YUL
1 stop24h 45m
Multiple Airlines
Deal found 2/2C$ 661
Sat 21/24:55 p.m.
YUL
-
EYW
2 stops20h 35m
Multiple Airlines
Mon 2/31:06 p.m.
EYW
-
YUL
1 stop11h 24m
Multiple Airlines
Deal found 1/2C$ 679
Mon 23/27:33 p.m.
YUL
-
EYW
2 stops21h 28m
Delta
Wed 4/32:46 p.m.
EYW
-
YUL
2 stops17h 51m
Delta
Deal found 1/2C$ 698
Mon 23/28:00 a.m.
YUL
-
EYW
2 stops28h 21m
Multiple Airlines
Mon 2/31:06 p.m.
EYW
-
YUL
1 stop11h 24m
Multiple Airlines
Deal found 1/2C$ 709

Find flight deals from Montreal to Key West

Discover tips and strategies to find the most affordable flight options for your journey from Montreal (YMQ) 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 3 February 2026.

Round-trip from

C$ 636

One-way from

C$ 294
22/2-2/3
  • 22/2-2/3
  • 3 total stops
  • 42h 09m total
  • Montreal to Key West
Search Deals
17/3
  • 17/3
  • 1 total stop
  • 27h 30m total
  • Montreal to Key West
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Montreal 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 3 February 2026.
Use the filters below to find and compare flights from Montreal to Key West that are best for you.

Fly from

Montreal

Fly to

Key West

Route

Depart

Return

Price

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Tue 24/2

6:45 a.m.-9:06 a.m.

2 stops50h 21m

Key West

Mon 2/3

1:06 p.m.-12:30 a.m.

1 stop11h 24m

C$ 636

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Mon 23/2

7:33 p.m.-5:01 p.m.

2 stops21h 28m

Key West

Wed 4/3

2:46 p.m.-8:37 a.m.

2 stops17h 51m

C$ 698

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Tue 24/2

7:33 p.m.-5:01 p.m.

2 stops21h 28m

Key West

Wed 4/3

11:59 a.m.-8:37 a.m.

2 stops20h 38m

C$ 698

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Tue 24/2

7:33 p.m.-5:01 p.m.

2 stops21h 28m

Key West

Thu 5/3

7:10 a.m.-6:35 p.m.

2 stops11h 25m

C$ 742

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Mon 23/2

7:33 p.m.-5:01 p.m.

2 stops21h 28m

Key West

Thu 5/3

7:10 a.m.-6:35 p.m.

2 stops11h 25m

C$ 742

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Tue 24/2

7:33 p.m.-5:01 p.m.

2 stops21h 28m

Key West

Tue 3/3

5:56 p.m.-11:45 p.m.

1 stop5h 49m

C$ 742

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Mon 23/2

7:33 p.m.-5:01 p.m.

2 stops21h 28m

Key West

Tue 3/3

11:59 a.m.-11:10 p.m.

2 stops11h 11m

C$ 742

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Mon 23/2

7:33 p.m.-12:45 p.m.

1 stop17h 12m

Key West

Mon 2/3

5:56 p.m.-11:45 p.m.

1 stop5h 49m

C$ 783

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Tue 3/3

7:12 a.m.-3:57 p.m.

1 stop8h 45m

Key West

Tue 10/3

6:34 p.m.-1:45 p.m.

1 stop19h 11m

C$ 796

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Wed 25/2

6:00 a.m.-7:42 p.m.

2 stops13h 42m

Key West

Thu 5/3

7:10 a.m.-6:35 p.m.

2 stops11h 25m

C$ 826

Flights are sorted by cheapest round-trip flights first.

Deals found on 31/1

Showing 1-10 of 13 results
1
2

Best time to book a flight from Montreal to Key West

Have a flexible travel schedule? Discover the best time to fly to Key West from Montreal 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.

Cheapflights Insights

Everything you need to know about your flight from Montreal to Key West
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Montreal 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?

    For a flight from Montreal 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 per day. 0 airlines have flights to Key West from Montreal on a regular basis.

  • How long is the flight from Montreal to Key West?

    A quick flight from Montreal to Key West can take about 21h 28m. Delta provides one of the quickest options available for as low as C$ 698. Montreal and Key West are separated by a distance of 2432 km.

  • Can I find deals for flights from Montreal to Key West that include hotel bookings?

    Yes. In addition to deals on Montreal to Key West flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Montreal to Key West?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Montreal to Key West.

  • Can I find deals for business class flights from Montreal to Key West?

    Yes. Cheapflights offers flight deals from Montreal 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Montreal to Key West

See prices for flight routes from nearby airports that may be better suited for you.
Pierre Elliott Trudeau Intl to Fort Lauderdale flights
Pierre Elliott Trudeau Intl to Miami flights
Pierre Elliott Trudeau Intl to Orlando flights
Québec City to Fort Lauderdale flights
Pierre Elliott Trudeau Intl to Tampa flights
Ottawa to Orlando flights
Ottawa to Fort Lauderdale flights
Pierre Elliott Trudeau Intl to West Palm Beach flights
Québec City to Orlando flights
Ottawa to Tampa flights
Ottawa to Miami flights
Pierre Elliott Trudeau Intl to Fort Myers flights
Québec City to Miami flights
Ottawa to Fort Myers flights
Pierre Elliott Trudeau Intl to Sarasota flights
Ottawa to West Palm Beach flights
Pierre Elliott Trudeau Intl to Jacksonville flights
Pierre Elliott Trudeau Intl to Daytona Beach flights
Québec City to Tampa flights
Pierre Elliott Trudeau Intl to Melbourne flights
Ottawa to Sarasota flights
Québec City to West Palm Beach flights
Ottawa to Jacksonville flights
Saguenay to Fort Lauderdale flights
Pierre Elliott Trudeau Intl to Pensacola flights
Pierre Elliott Trudeau Intl to Orlando Sanford Intl flights
Pierre Elliott Trudeau Intl to Panama City flights
Ottawa to Orlando Sanford Intl flights
Québec City to Fort Myers flights
Ottawa to Melbourne flights
Pierre Elliott Trudeau Intl to St Petersburg flights
Ottawa to Daytona Beach flights
Pierre Elliott Trudeau Intl to Valparaiso flights
Pierre Elliott Trudeau Intl to Key West flights
Pierre Elliott Trudeau Intl to Gainesville flights
Saguenay to Orlando flights
Ottawa to Panama City flights
Ottawa to St Petersburg flights
Québec City to Melbourne flights
Ottawa to Tallahassee flights
Québec City to Valparaiso flights
Québec City to Daytona Beach flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Montreal to Key West?

Deals for Montreal to Key West flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Montreal to Key West?

Millions of users choose and trust Cheapflights to book the best flight deals from Montreal to Key West for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Montreal to Key West with no change fees?

Need flexible booking options for your flight to Key West from Montreal? 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 Montreal to Key West become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Key West from Montreal today and book when prices fit your budget.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.