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Cheap flights from Montreal to Key West from C$ 713

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 15/11. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — EYW
2 Nov — 9 Nov1
1 adult
1 adult, Economy

Cheap 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 October 2025.

Round-trip from

C$ 713
15/11-22/11
  • 15/11-22/11
  • 3 total stops
  • 44h 37m total
  • Montreal to Key West
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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 October 2025.

Sat 15/114:35 p.m.YUL - EYW
1 stop15h 40mMultiple Airlines
Sat 22/1111:28 a.m.EYW - YUL
2 stops28h 57mMultiple Airlines
Deal found 1/10C$ 713
Sat 1/112:25 p.m.YUL - EYW
2 stops30h 41mDelta
Tue 4/116:17 p.m.EYW - YUL
1 stop5h 31mDelta
Deal found 2/10C$ 795
Sat 15/111:15 p.m.YUL - EYW
2 stops24h 31mUnited Airlines
Sat 22/113:00 p.m.EYW - YUL
2 stops20h 30mUnited Airlines
Deal found 1/10C$ 816
Sat 1/112:35 p.m.YUL - EYW
1 stop7h 21mAmerican Airlines
Tue 4/117:31 a.m.EYW - YUL
1 stop6h 15mAmerican Airlines
Deal found 2/10C$ 840
Fri 5/127:00 a.m.YUL - EYW
1 stop10h 15mDelta
Thu 11/126:10 p.m.EYW - YUL
1 stop5h 49mDelta
Deal found 2/10C$ 843
Sat 15/117:00 a.m.YUL - EYW
1 stop7h 03mDelta
Sat 22/112:58 p.m.EYW - YUL
1 stop9h 01mDelta
Deal found 1/10C$ 844
Sat 4/106:45 a.m.YUL - EYW
1 stop25h 30mMultiple Airlines
Mon 6/108:55 a.m.EYW - YUL
2 stops24h 07mMultiple Airlines
Deal found 30/9C$ 889
Sat 18/106:45 a.m.YUL - EYW
2 stops10h 36mWestJet
Mon 27/107:40 a.m.EYW - YUL
1 stop9h 54mWestJet
Deal found 3/10C$ 996

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 October 2025.
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

Sat 15/11

4:35 p.m.-8:15 a.m.

1 stop15h 40m

Key West

Sat 22/11

11:28 a.m.-4:25 p.m.

2 stops28h 57m

C$ 713

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Sat 1/11

2:25 p.m.-9:06 p.m.

2 stops30h 41m

Key West

Tue 4/11

6:17 p.m.-11:48 p.m.

1 stop5h 31m

C$ 795

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Sat 15/11

1:15 p.m.-1:46 p.m.

2 stops24h 31m

Key West

Sat 22/11

3:00 p.m.-11:30 a.m.

2 stops20h 30m

C$ 816

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Tue 31/3

6:00 a.m.-5:13 p.m.

2 stops11h 13m

Key West

Wed 1/4

6:00 p.m.-11:54 p.m.

1 stop5h 54m

C$ 826

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Sat 1/11

2:35 p.m.-9:56 p.m.

1 stop7h 21m

Key West

Tue 4/11

7:31 a.m.-1:46 p.m.

1 stop6h 15m

C$ 840

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/10

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

What’s the top layover airport for flights from Montreal to Key West?

Share of one-stop round-trip flights from Montreal to Key West chosen by Cheapflights users in the past 12 months, using the same layover each way.

Atlanta (ATL) – chosen by Cheapflights users on 88% of one-stop itineraries from Montreal to Key West on Cheapflights.

What’s the cheapest layover airport for flights from Montreal to Key West?

Average round-trip fare for 1-stop flights from Montreal to Key West, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Atlanta (ATL) is the most affordable 1-stop option, with an average round-trip price of C$ 1,069.

What’s the fastest layover option from Montreal to Key West?

Shortest average travel time for 1-stop one-way flights from Montreal to Key West, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Newark (EWR) have the shortest average one-way travel time for 1-stop routes: 6h 26m.

Which airport typically offers the quickest layover for flights from Montreal to Key West?

Average layover duration for 1-stop one-way flights from Montreal to Key West, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Atlanta (ATL) offer the fastest connection on this route, with an average layover time of 1h 25m.

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 24h 31m. Delta provides one of the quickest options available for as low as C$ 816. Montreal and Key West are separated by a distance of 2432 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • 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

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Alternative routes for Montreal to Key West

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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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