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Cheap flights from Montreal 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 4/5. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — EYW
24 Apr — 1 May1
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 25 March 2026.

Wed 25/310:15 a.m.
YUL
-
EYW
2 stops24h 06m
Multiple Airlines
Sun 29/39:46 a.m.
EYW
-
YUL
1 stop14h 44m
Multiple Airlines
Deal found 22/3C$ 722
Tue 24/310:15 a.m.
YUL
-
EYW
2 stops25h 35m
Multiple Airlines
Tue 31/312:25 p.m.
EYW
-
YUL
1 stop28h 03m
Multiple Airlines
Deal found 23/3C$ 741
Fri 15/57:44 p.m.
YUL
-
EYW
1 stop17h 46m
Delta
Tue 19/52:32 p.m.
EYW
-
YUL
1 stop18h 07m
Delta
Deal found 24/3C$ 769
Fri 10/46:45 a.m.
YUL
-
EYW
1 stop6h 52m
Multiple Airlines
Sun 19/412:26 p.m.
EYW
-
YUL
1 stop28h 02m
Multiple Airlines
Deal found 21/3C$ 796
Sat 16/57:00 a.m.
YUL
-
EYW
1 stop10h 23m
Delta
Tue 19/52:32 p.m.
EYW
-
YUL
1 stop18h 07m
Delta
Deal found 24/3C$ 835
Tue 21/46:00 a.m.
YUL
-
EYW
2 stops11h 23m
Delta
Thu 23/42:40 p.m.
EYW
-
YUL
1 stop9h 11m
Delta
Deal found 22/3C$ 838
Mon 23/116:00 a.m.
YUL
-
EYW
2 stops13h 43m
Delta
Fri 27/117:00 a.m.
EYW
-
YUL
1 stop10h 03m
Delta
Deal found 23/3C$ 869
Mon 23/117:30 a.m.
YUL
-
EYW
1 stop6h 25m
American Airlines
Sun 6/128:00 a.m.
EYW
-
YUL
1 stop5h 45m
American Airlines
Deal found 21/3C$ 871
Mon 18/57:44 p.m.
YUL
-
EYW
2 stops16h 43m
Delta
Sat 23/57:30 a.m.
EYW
-
YUL
2 stops15h 43m
Delta
Deal found 24/3C$ 877
Mon 23/117:14 a.m.
YUL
-
EYW
2 stops12h 15m
American Airlines
Fri 27/1112:00 p.m.
EYW
-
YUL
2 stops10h 59m
American Airlines
Deal found 23/3C$ 883

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 25 March 2026.

Round-trip from

C$ 796

One-way from

C$ 363
10/4-19/4
  • 10/4-19/4
  • 2 total stops
  • 34h 54m total
  • Montreal to Key West
Search Deals
3/5
  • 3/5
  • 2 total stops
  • 30h 50m 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 25 March 2026.
Use the filters below to find and compare flights from Montreal 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 15/5

7:10 a.m.-7:49 p.m.

2 stops12h 39m

Key West

Tue 19/5

2:32 p.m.-8:39 a.m.

1 stop18h 07m

C$ 803

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Fri 10/4

6:45 a.m.-1:37 p.m.

1 stop6h 52m

Key West

Sun 19/4

12:26 p.m.-4:25 p.m.

2 stops27h 59m

C$ 827

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Tue 21/4

9:30 a.m.-7:40 p.m.

2 stops10h 10m

Key West

Thu 23/4

7:33 a.m.-5:40 p.m.

1 stop10h 07m

C$ 838

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Thu 7/5

12:40 p.m.-7:49 p.m.

1 stop7h 09m

Key West

Thu 14/5

1:22 p.m.-11:57 p.m.

1 stop10h 35m

C$ 838

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Fri 15/5

7:10 a.m.-7:49 p.m.

2 stops12h 39m

Key West

Sat 23/5

7:30 a.m.-11:13 p.m.

2 stops15h 43m

C$ 912

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Mon 18/5

6:00 a.m.-5:23 p.m.

2 stops11h 23m

Key West

Thu 21/5

7:30 a.m.-6:53 p.m.

2 stops11h 23m

C$ 953

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Sun 17/5

7:00 a.m.-5:23 p.m.

1 stop10h 23m

Key West

Thu 21/5

7:30 a.m.-6:53 p.m.

2 stops11h 23m

C$ 953

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Fri 15/5

7:10 a.m.-7:49 p.m.

2 stops12h 39m

Key West

Thu 21/5

7:30 a.m.-6:53 p.m.

2 stops11h 23m

C$ 953

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Sun 3/5

7:00 a.m.-5:23 p.m.

1 stop10h 23m

Key West

Sun 10/5

7:30 a.m.-5:43 p.m.

1 stop10h 13m

C$ 985
Quickest round-trip

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Fri 29/5

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

1 stop7h 30m

Key West

Fri 5/6

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

1 stop7h 40m

C$ 990

Flights are sorted by cheapest round-trip flights first.

Deals found on 21/3

Showing 1-10 of 13 resultsSorted by cheapest first
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 7h 53m. Delta provides one of the quickest options available for as low as C$ 838. 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

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Alternative routes for Montreal to Key West

See prices for flight routes from nearby airports that may be better suited for you.
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Fly with Cheapflights

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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.

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