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$536+ Cheap flights from Pierre Elliott Trudeau Intl (YUL) to Key West (EYW)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/7. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — EYW
May 28 — Jun 41
Wed 5/28
Wed 6/4
1 adult, Economy
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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 May 23, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$536
(United Airlines)

Popular in

December

Cheapest in

March

Average price

$200
Provider with most accurate pricing for Montreal Pierre Elliott Trudeau Intl-Key West flight deals.
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Provider most trusted by Cheapflights users for Montreal Pierre Elliott Trudeau Intl-Key West flights.
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From Montreal Pierre Elliott Trudeau Intl to Key West
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Highest demand for flights based on searches. 17% potential increase in price ($128 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($41 potential savings vs. average RT price).
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Average for round-trip flights in May 2025
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Find flight deals from Pierre Elliott Trudeau Intl to Key West

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 May 23, 2025.

This United Airlines deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/78:10 amYUL - EYW
2 stops28h 31mUnited Airlines
Mon 7/146:45 pmEYW - YUL
2 stops21h 25mUnited Airlines
Deal found 5/22$536
This Kiwi.com deal was found by Cheapflights users on 5/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/66:45 amYUL - EYW
1 stop6h 22mMultiple Airlines
Sun 7/1310:02 amEYW - YUL
1 stop14h 13mMultiple Airlines
Deal found 5/21$550
This Delta deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/77:00 amYUL - EYW
1 stop10h 32mDelta
Mon 7/142:03 pmEYW - YUL
2 stops9h 05mDelta
Deal found 5/22$595
This American Airlines deal was found by Cheapflights users on 5/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/67:29 amYUL - EYW
1 stop8h 40mAmerican Airlines
Sun 7/137:51 pmEYW - YUL
2 stops17h 53mAmerican Airlines
Deal found 5/21$618
This WestJet deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/66:45 pmYUL - EYW
1 stop16h 06mWestJet
Thu 6/126:29 pmEYW - YUL
1 stop23h 10mWestJet
Deal found 5/22$783

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 2,558,603 searches. Data last updated May 23, 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

Mon 7/7

8:10 am-12:41 pm

2 stops28h 31m

Key West

Mon 7/14

6:45 pm-4:10 pm

2 stops21h 25m

$536

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Sun 7/6

6:45 am-1:07 pm

1 stop6h 22m

Key West

Sun 7/13

10:02 am-12:15 am

1 stop14h 13m

$550

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Mon 7/7

7:00 am-5:32 pm

1 stop10h 32m

Key West

Mon 7/14

2:03 pm-11:08 pm

2 stops9h 05m

$595

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Sun 7/6

7:29 am-4:09 pm

1 stop8h 40m

Key West

Sun 7/13

7:51 pm-1:44 pm

2 stops17h 53m

$618

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Fri 6/6

6:45 pm-10:51 am

1 stop16h 06m

Key West

Thu 6/12

6:29 pm-5:39 pm

1 stop23h 10m

$783

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/22

Compare providers for flights from Pierre Elliott Trudeau Intl to Key West

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Pierre Elliott Trudeau Intl to Key West in May.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Montreal Pierre Elliott Trudeau Intl Airport-Key West flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Montreal Pierre Elliott Trudeau Intl Airport-Key West flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Montreal Pierre Elliott Trudeau Intl Airport-Key West flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Montreal Pierre Elliott Trudeau Intl Airport-Key West flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Montreal Pierre Elliott Trudeau Intl Airport-Key West flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

Cheapflights Insights

Everything you need to know about your flight from Montreal Pierre Elliott Trudeau Intl Airport to Key West

Rainfall in Key West by month

Plan your trip to Key West by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Key West ranges from 1.5 - 6.7 inches per month. September is typically the wettest month, when rainfall can reach 6.7 in. February is typically the driest time to visit Key West when rainfall is around 1.5 in.

Temperature in Key West by month

Plan your trip to Key West by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Key West, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 69.8 F).

Reviews of airlines servicing Key West

Get insights into the airlines that provide service to Key West. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Key West. Reviews last updated May 23, 2025.
Delta
8.0
Very good
7,950 reviews

Overall

8.0

Food

7.3

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
4.0
Okay

Richard,Sep 2023

YYZ - ATL

Four hour delay (missing two screws). Seats in need of repair.
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Overall

8.0

Food

7.3

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
4.0
Okay

Richard,Sep 2023

YYZ - ATL

Four hour delay (missing two screws). Seats in need of repair.
United Airlines
7.4
Good
8,745 reviews
Delta
8.0
Very good
7,950 reviews

Overall

8.0

Food

7.3

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
4.0
Okay

Richard,Sep 2023

YYZ - ATL

Four hour delay (missing two screws). Seats in need of repair.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,950 reviews

Overall

8.0

Food

7.3

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
4.0
Okay

Richard,Sep 2023

YYZ - ATL

Four hour delay (missing two screws). Seats in need of repair.
WestJet
7.2
Good
2,848 reviews
Delta
8.0
Very good
7,950 reviews

Overall

8.0

Food

7.3

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
4.0
Okay

Richard,Sep 2023

YYZ - ATL

Four hour delay (missing two screws). Seats in need of repair.

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?

    Most people fly into Key West (EYW) if they book a flight to Key West from Montreal Pierre Elliott Trudeau Intl. On average, Key West has 0 inbound flights from Montreal Pierre Elliott Trudeau Intl per day from 0 airlines. Key West is conveniently located just 2.6 mi from Key West’s city center.

  • What are the cheapest airlines flying from Montreal Pierre Elliott Trudeau Intl Airport to Key West round-trip?

    Flying on United Airlines is currently your cheapest option to Key West, with prices starting at $536. Additional round-trip tickets that might be worth considering are offered by Delta and American Airlines, with the lowest prices starting at $595 and $618, respectively. These flights start at 8% lower than the current average price 3 months from now.

  • 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.

  • What is the cheapest month to book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Key West?

    Currently, August is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Key West (average of $328). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Key West in March is currently the most expensive (average of $492). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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