Latest deals
When to book
FAQs
Price Alerts

Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Key West from C$ 280

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Montreal Pierre Elliott Trudeau Intl Airport to Key West departing on 24/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Early arrival? Instantly customize your results

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Montreal Pierre Elliott Trudeau Intl Airport to Key West

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:50 p.m. - 5:29 p.m.
YUL
-
EYW
22h 39m
1 stop
Multiple Airlines Logo
12:07 p.m. - 12:25 a.m.
EYW
-
YUL
12h 18m
2 stops
C$ 747Multiple Airlines
Mon, 8 Jun - Fri, 12 Jun
Multiple Airlines Logo
6:15 p.m. - 5:23 p.m.
YUL
-
EYW
23h 08m
1 stop
Multiple Airlines Logo
12:07 p.m. - 12:25 a.m.
EYW
-
YUL
12h 18m
2 stops
C$ 756Multiple Airlines
Thu, 4 Jun - Fri, 12 Jun
Multiple Airlines Logo
6:50 p.m. - 5:29 p.m.
YUL
-
EYW
22h 39m
1 stop
Multiple Airlines Logo
12:07 p.m. - 12:25 a.m.
EYW
-
YUL
12h 18m
2 stops
C$ 805Multiple Airlines
Mon, 8 Jun - Mon, 15 Jun
Multiple Airlines Logo
6:15 p.m. - 5:23 p.m.
YUL
-
EYW
23h 08m
1 stop
Multiple Airlines Logo
12:07 p.m. - 12:25 a.m.
EYW
-
YUL
12h 18m
2 stops
C$ 814Multiple Airlines
Thu, 4 Jun - Mon, 15 Jun
United Airlines Logo
6:10 a.m. - 3:07 p.m.
YUL
-
EYW
8h 57m
1 stop
United Airlines Logo
2:26 p.m. - 10:06 p.m.
EYW
-
YUL
7h 40m
1 stop
C$ 858United Airlines
Wed, 3 Jun - Mon, 15 Jun
Delta Logo
7:44 p.m. - 1:28 p.m.
YUL
-
EYW
17h 44m
2 stops
Delta Logo
6:24 p.m. - 11:59 p.m.
EYW
-
YUL
5h 35m
1 stop
C$ 864Delta
Mon, 8 Jun - Sat, 13 Jun
Multiple Airlines Logo
6:50 p.m. - 5:29 p.m.
YUL
-
EYW
22h 39m
1 stop
Multiple Airlines Logo
12:05 p.m. - 12:25 a.m.
EYW
-
YUL
12h 20m
2 stops
C$ 868Multiple Airlines
Mon, 8 Jun - Sun, 14 Jun
United Airlines Logo
4:40 p.m. - 1:30 p.m.
YUL
-
EYW
20h 50m
2 stops
United Airlines Logo
2:26 p.m. - 10:06 p.m.
EYW
-
YUL
7h 40m
1 stop
C$ 869United Airlines
Mon, 8 Jun - Wed, 10 Jun
American Airlines Logo
7:29 a.m. - 6:49 p.m.
YUL
-
EYW
11h 20m
1 stop
American Airlines Logo
11:28 a.m. - 11:29 p.m.
EYW
-
YUL
12h 01m
1 stop
C$ 870American Airlines
Mon, 22 Jun - Mon, 29 Jun
Delta Logo
12:40 p.m. - 7:49 p.m.
YUL
-
EYW
7h 09m
1 stop
Delta Logo
6:19 p.m. - 11:57 p.m.
EYW
-
YUL
5h 38m
1 stop
C$ 875Delta
Wed, 13 May - Fri, 15 May

Delta flights from Montreal Pierre Elliott Trudeau Intl Airport to Key West

Our best Delta deals on Montreal Pierre Elliott Trudeau Intl Airport to Key West flight tickets
Delta
8 Jun
YUL7:44 p.m.Montreal Pierre Elliott Trudeau Intl
17h 44m
2 stops
EYW1:28 p.m.Key West
16 Jun
EYW7:45 a.m.Key West
15h 43m
2 stops
YUL11:28 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 864
Delta
13 May
YUL12:40 p.m.Montreal Pierre Elliott Trudeau Intl
7h 09m
1 stop
EYW7:49 p.m.Key West
15 May
EYW6:19 p.m.Key West
5h 38m
1 stop
YUL11:57 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 875
Delta
3 Jun
YUL6:00 a.m.Montreal Pierre Elliott Trudeau Intl
11h 23m
2 stops
EYW5:23 p.m.Key West
16 Jun
EYW7:45 a.m.Key West
15h 43m
2 stops
YUL11:28 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 879

United Airlines flights from Montreal Pierre Elliott Trudeau Intl Airport to Key West

Our best United Airlines deals on Montreal Pierre Elliott Trudeau Intl Airport to Key West flight tickets
United Airlines
3 Jun
YUL6:10 a.m.Montreal Pierre Elliott Trudeau Intl
8h 57m
1 stop
EYW3:07 p.m.Key West
15 Jun
EYW2:26 p.m.Key West
7h 40m
1 stop
YUL10:06 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 858
United Airlines
8 Jun
YUL4:40 p.m.Montreal Pierre Elliott Trudeau Intl
20h 50m
2 stops
EYW1:30 p.m.Key West
11 Jun
EYW2:26 p.m.Key West
7h 40m
1 stop
YUL10:06 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 869
United Airlines
22 Jun
YUL8:00 p.m.Montreal Pierre Elliott Trudeau Intl
19h 07m
2 stops
EYW3:07 p.m.Key West
29 Jun
EYW2:26 p.m.Key West
7h 40m
1 stop
YUL10:06 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 919

momondo Fare Finder

 
Customize your flight search to find flights from Montreal Pierre Elliott Trudeau Intl Airport 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, momondo users made 96,600 searches. Data last updated 11 April 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

Mon 8/6

6:50 p.m.-5:29 p.m.

1 stop22h 39m

Key West

Fri 12/6

12:07 p.m.-12:25 a.m.

2 stops12h 18m

C$ 747

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Thu 4/6

6:15 p.m.-5:23 p.m.

1 stop23h 08m

Key West

Fri 12/6

12:07 p.m.-12:25 a.m.

2 stops12h 18m

C$ 756

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Mon 8/6

6:50 p.m.-5:29 p.m.

1 stop22h 39m

Key West

Mon 15/6

12:07 p.m.-12:25 a.m.

2 stops12h 18m

C$ 805

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Thu 4/6

6:15 p.m.-5:23 p.m.

1 stop23h 08m

Key West

Mon 15/6

12:07 p.m.-12:25 a.m.

2 stops12h 18m

C$ 814

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Wed 3/6

6:10 a.m.-3:07 p.m.

1 stop8h 57m

Key West

Mon 15/6

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

1 stop7h 40m

C$ 858

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Mon 8/6

7:44 p.m.-1:28 p.m.

2 stops17h 44m

Key West

Sat 13/6

6:24 p.m.-11:59 p.m.

1 stop5h 35m

C$ 864

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Mon 8/6

6:50 p.m.-5:29 p.m.

1 stop22h 39m

Key West

Sun 14/6

12:05 p.m.-12:25 a.m.

2 stops12h 20m

C$ 868

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Mon 8/6

4:40 p.m.-1:30 p.m.

2 stops20h 50m

Key West

Wed 10/6

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

1 stop7h 40m

C$ 869

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Mon 22/6

7:29 a.m.-6:49 p.m.

1 stop11h 20m

Key West

Mon 29/6

11:28 a.m.-11:29 p.m.

1 stop12h 01m

C$ 870
Quickest round-trip

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Wed 13/5

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

1 stop7h 09m

Key West

Fri 15/5

6:19 p.m.-11:57 p.m.

1 stop5h 38m

C$ 875

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

When to book flights from Montreal Pierre Elliott Trudeau Intl Airport to Key West

Are you open to changing your travel dates? Check out the ideal times to fly from Montreal Pierre Elliott Trudeau Intl Airport to Key West according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Montreal Pierre Elliott Trudeau Intl Airport to Key West (YUL to EYW) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Montreal Pierre Elliott Trudeau Intl Airport to Key West

Fastest flight time

7h 27m

Direct flights

None
The fastest flight from Montreal Pierre Elliott Trudeau Intl Airport to Key West takes 7h 27m
There are no direct flights from Montreal Pierre Elliott Trudeau Intl Airport to Key West. There are no popular flight routes from Montreal Pierre Elliott Trudeau Intl Airport to Key West.
Search flight deals

Frequently asked questions about flying from Montreal Pierre Elliott Trudeau Intl Airport to Key West

  • How far is Montreal Pierre Elliott Trudeau Intl to Key West by plane?

    There are 2432.7 km between Montreal Pierre Elliott Trudeau Intl and Key West. By plane, this route typically takes 7h 27m.

  • When did momondo last update prices for flights from Montreal Pierre Elliott Trudeau Intl Airport to Key West Airport?

    Prices for flights from Montreal Pierre Elliott Trudeau Intl Airport to Key West Airport were last updated today.

  • How old do you have to be to fly from Montreal Pierre Elliott Trudeau Intl Airport to Key West Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Montreal Pierre Elliott Trudeau Intl Airport to Key West Airport.

  • What documentation or ID do you need to fly to Key West Airport?

    The travel and health documents you'll need for your trip to Key West Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Key West Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Frequently asked questions about flying from Montreal Pierre Elliott Trudeau Intl Airport to Key West

  • How do I get Price Alerts for flights from Montreal Pierre Elliott Trudeau Intl Airport to Key West?

    You can take advantage of momondo’s Price Alerts by first searching for your flights to Montreal Pierre Elliott Trudeau Intl Airport from Key West. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

  • How can I save money on flights from Montreal Pierre Elliott Trudeau Intl Airport to Key West with momondo?

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • How does momondo find its flight prices?

    We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

Travelling to a place near Key West?

Book flights to Key West if you plan to visit one of these locations
Little Torch Key

Why use momondo?

Why should I use momondo to find a flight deal from Montreal to Key West?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Montreal to Key West for you.

Can I find flights from Montreal to Key West with flexible booking policies on momondo?

All flight searches from Montreal to Key West on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Montreal to Key West?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Montreal to Key West.

I’m not ready to book a flight from Montreal to Key West right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Montreal to Key West flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Key West trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Mon 11/5
Mon 18/5
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States