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Cheap flights from Montreal to Florida Keys from C$ 259

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 11/8. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — EYW
17 Aug — 24 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Montreal to Florida Keys

Enter your travel dates to find the best prices.

Cheapest flights from Montreal to Florida Keys
Explore the most affordable flight options available from Montreal to Florida Keys. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 July 2026.

Tue 25/86:30 p.m.
YUL
-
MIA
Nonstop3h 41m
Air Canada
Fri 28/87:55 a.m.
MIA
-
YUL
Nonstop3h 35m
Air Canada
Deal found 13/7C$ 398
Sun 6/128:15 a.m.
YUL
-
MIA
Nonstop4h 06m
Air Canada
Fri 18/128:00 a.m.
MIA
-
YUL
Nonstop3h 32m
Air Canada
Deal found 13/7C$ 407
Tue 18/86:30 p.m.
YUL
-
MIA
Nonstop3h 41m
Air Canada
Tue 25/88:15 a.m.
MIA
-
YUL
Nonstop3h 28m
Air Canada
Deal found 17/7C$ 414
Tue 18/89:55 p.m.
YUL
-
MIA
1 stop14h 18m
Air Canada
Tue 1/98:15 a.m.
MIA
-
YUL
Nonstop3h 28m
Air Canada
Deal found 13/7C$ 421
Tue 1/96:30 p.m.
YUL
-
MIA
Nonstop3h 41m
Air Canada
Tue 8/91:15 p.m.
MIA
-
YUL
1 stop7h 06m
Air Canada
Deal found 18/7C$ 425
Tue 4/86:10 a.m.
YUL
-
MIA
1 stop16h 17m
Multiple Airlines
Wed 12/88:15 a.m.
MIA
-
YUL
Nonstop3h 28m
Multiple Airlines
Deal found 13/7C$ 428
Sat 8/87:55 a.m.
YUL
-
MIA
1 stop11h 24m
American Airlines
Sun 16/87:15 a.m.
MIA
-
YUL
1 stop14h 29m
American Airlines
Deal found 13/7C$ 431
Wed 7/106:00 a.m.
YUL
-
MIA
1 stop6h 14m
Air Canada
Tue 13/108:15 a.m.
MIA
-
YUL
Nonstop3h 30m
Air Canada
Deal found 17/7C$ 432
Sat 22/87:55 a.m.
YUL
-
EYW
1 stop5h 50m
American Airlines
Sat 29/811:40 a.m.
EYW
-
YUL
2 stops11h 13m
American Airlines
Deal found 14/7C$ 680
Wed 12/87:55 a.m.
YUL
-
EYW
1 stop5h 50m
American Airlines
Wed 19/81:49 p.m.
EYW
-
YUL
1 stop9h 37m
American Airlines
Deal found 15/7C$ 696
Tue 25/87:55 a.m.
YUL
-
EYW
1 stop5h 50m
American Airlines
Sat 29/810:15 a.m.
EYW
-
YUL
1 stop13h 11m
American Airlines
Deal found 16/7C$ 697
Fri 23/107:00 a.m.
YUL
-
EYW
1 stop10h 16m
Delta
Tue 27/106:11 p.m.
EYW
-
YUL
1 stop5h 48m
Delta
Deal found 15/7C$ 704

Find flight deals from Montreal to Florida Keys

Keep the following information in mind while searching for Montreal to Florida Keys flight deals. Data was last updated 18 July 2026.

Round-trip from

C$ 381

One-way from

C$ 259

Popular in

December

Cheapest in

June

Average price

C$ 599
Air Canada
  • Air Canada
  • 27/8-3/9
  • Nonstop
  • 7h 16m total
  • Montreal to Florida Keys
Search Deals
Air Canada
  • Air Canada
  • 11/8
  • 1 total stop
  • 6h 38m total
  • Montreal to Florida Keys
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (C$ 39 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Montreal to Florida Keys 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 18 July 2026.
Use the filters below to find and compare flights from Montreal to Florida Keys that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontrealMiami

YUL - MIA

YULMIA

Montreal Pierre Elliott Trudeau Intl

Sat 15/8

2:46 p.m.-12:47 a.m.

1 stop10h 01m

Miami

Tue 25/8

8:25 a.m.-5:46 p.m.

1 stop9h 21m

C$ 447

MontrealMiami

YUL - MIA

YULMIA

Montreal Pierre Elliott Trudeau Intl

Fri 6/11

7:00 a.m.-11:47 p.m.

1 stop16h 47m

Miami

Mon 9/11

8:00 a.m.-11:32 a.m.

Nonstop3h 32m

C$ 484

MontrealMiami

YUL - MIA

YULMIA

Montreal Pierre Elliott Trudeau Intl

Tue 25/8

3:25 p.m.-11:44 p.m.

1 stop8h 19m

Miami

Tue 1/9

12:17 p.m.-9:26 p.m.

1 stop9h 09m

C$ 484

MontrealMiami

YUL - MIA

YULMIA

Montreal Pierre Elliott Trudeau Intl

Wed 21/10

6:50 p.m.-12:53 a.m.

1 stop6h 03m

Miami

Sat 24/10

7:05 a.m.-1:40 p.m.

1 stop6h 35m

C$ 491

MontrealMiami

YUL - MIA

YULMIA

Montreal Pierre Elliott Trudeau Intl

Tue 3/11

6:10 a.m.-4:38 p.m.

2 stops10h 28m

Miami

Fri 13/11

7:20 a.m.-1:25 p.m.

1 stop6h 05m

C$ 527

MontrealMiami

YUL - MIA

YULMIA

Montreal Pierre Elliott Trudeau Intl

Sat 12/9

6:00 a.m.-4:31 p.m.

1 stop10h 31m

Miami

Sun 13/9

7:10 a.m.-10:43 a.m.

Nonstop3h 33m

C$ 543

MontrealMiami

YUL - MIA

YULMIA

Montreal Pierre Elliott Trudeau Intl

Fri 21/8

12:44 p.m.-10:51 p.m.

1 stop10h 07m

Miami

Sun 23/8

6:00 a.m.-11:39 a.m.

1 stop5h 39m

C$ 548

MontrealMiami

YUL - MIA

YULMIA

Montreal Pierre Elliott Trudeau Intl

Sun 6/9

7:00 a.m.-1:02 p.m.

1 stop6h 02m

Miami

Fri 11/9

2:15 p.m.-11:59 p.m.

1 stop9h 44m

C$ 555

MontrealMiami

YUL - MIA

YULMIA

Montreal Pierre Elliott Trudeau Intl

Thu 6/8

12:44 p.m.-10:51 p.m.

1 stop10h 07m

Miami

Thu 13/8

2:08 p.m.-11:52 p.m.

1 stop9h 44m

C$ 557

MontrealMiami

YUL - MIA

YULMIA

Montreal Pierre Elliott Trudeau Intl

Tue 28/7

7:00 a.m.-4:55 p.m.

1 stop9h 55m

Miami

Sun 2/8

8:15 a.m.-6:54 p.m.

1 stop10h 39m

C$ 557

Flights are sorted by cheapest round-trip flights first.

Deals found on 13/7

Showing 1-10 of 32 resultsSorted by cheapest first
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3
4

Best time to book a flight from Montreal to Florida Keys

Have a flexible travel schedule? Discover the best time to fly to Florida Keys 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 Florida Keys

What is the cheapest month to book a flight from Montreal to Florida Keys?

Currently, September is the cheapest month in which you can book a flight from Montreal to Florida Keys (average of C$ 539). Flying from Montreal to Florida Keys in December is currently the most expensive (average of C$ 686). 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.

How far ahead should I book a flight from Montreal to Florida Keys?

Booking 39 days in advance of your planned departure date is, on average, the best time to get cheap flights from Montreal to Florida Keys. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Reviews of airlines servicing Florida Keys

Get insights into the airlines that provide service to Florida Keys. 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 Florida Keys. Reviews last updated 18 July 2026.
Read through reviews of airlines operating flights from Montreal to Florida Keys, such as Porter Airlines,United Airlines, andWestJet. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
445 reviews
Check prices

Boarding

8.2

Crew

8.6

Comfort

8.0

Overall

8.0

Entertainment

6.9

Food

7.5

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
Porter Airlines
8.0
Very good
445 reviews
Porter Airlines
8.0
Very good
445 reviews
Check prices

Boarding

8.2

Crew

8.6

Comfort

8.0

Overall

8.0

Entertainment

6.9

Food

7.5

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
United Airlines
7.4
Good
10,006 reviews
Porter Airlines
8.0
Very good
445 reviews
Check prices

Boarding

8.2

Crew

8.6

Comfort

8.0

Overall

8.0

Entertainment

6.9

Food

7.5

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
WestJet
7.2
Good
3,411 reviews
Porter Airlines
8.0
Very good
445 reviews
Check prices

Boarding

8.2

Crew

8.6

Comfort

8.0

Overall

8.0

Entertainment

6.9

Food

7.5

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
American Airlines
7.1
Good
11,830 reviews
Porter Airlines
8.0
Very good
445 reviews
Check prices

Boarding

8.2

Crew

8.6

Comfort

8.0

Overall

8.0

Entertainment

6.9

Food

7.5

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
Air Canada
7.1
Good
11,351 reviews
Porter Airlines
8.0
Very good
445 reviews
Check prices

Boarding

8.2

Crew

8.6

Comfort

8.0

Overall

8.0

Entertainment

6.9

Food

7.5

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats

Related info for your journey

Find useful and relevant information for your journey from Montreal to Florida Keys. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Montreal to Florida Keys?

    A quick flight from Montreal to Florida Keys can take about 8h 19m. Delta provides one of the quickest options available for as low as C$ 484. There are 2261 km between Montreal and Florida Keys. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Montreal to Florida Keys one-way?

    For one-way options, check prices for Porter Airlines. According to our data, you can fly for as low as C$ 183. Users have also found prices from C$ 227 and C$ 234 on Air Transat and Delta, respectively.

  • Can I find deals for flights from Montreal to Florida Keys that include hotel bookings?

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

  • How can I find direct flights from Montreal to Florida Keys?

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

  • Can I find deals for business class flights from Montreal to Florida Keys?

    Yes. Cheapflights offers flight deals from Montreal to Florida Keys 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 to Florida Keys?

    Currently, September is the cheapest month in which you can book a flight from Montreal to Florida Keys (average of C$ 539). Flying from Montreal to Florida Keys in December is currently the most expensive (average of C$ 686). 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.

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 Florida Keys

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 Florida Keys?

Cheapflights makes it easy to find Montreal to Florida Keys flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Montreal to Florida Keys?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Montreal to Florida Keys.

Can Cheapflights find flights from Montreal to Florida Keys with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Montreal to Florida Keys flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Montreal to Florida Keys become cheaper?

Yes, Cheapflights offers price alerts on Montreal to Florida Keys flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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