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Cheap flights from Montreal to Florida Keys from C$ 264

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 7/11. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — EYW
15 Sep — 22 Sep1
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 16 August 2026.

Wed 23/96:30 p.m. -
Nonstop3h 47m
Wed 14/108:15 a.m. -
Nonstop3h 30m
Deal found 12/8C$ 377
Wed 30/96:00 a.m. -
1 stop6h 14m
Tue 6/101:15 p.m. -
1 stop6h 06m
Deal found 12/8C$ 379
Wed 16/96:30 p.m. -
Nonstop3h 47m
Sat 26/97:55 a.m. -
Nonstop3h 33m
Deal found 13/8C$ 381
Thu 24/96:30 p.m. -
Nonstop3h 47m
Tue 29/91:10 p.m. -
1 stop6h 11m
Deal found 13/8C$ 383
Tue 22/95:00 a.m. -
1 stop7h 14m
Wed 14/108:15 a.m. -
Nonstop3h 30m
Deal found 12/8C$ 388
Mon 24/86:30 p.m. -
Nonstop3h 41m
Wed 2/98:15 a.m. -
Nonstop3h 28m
Deal found 12/8C$ 393
Thu 3/96:30 p.m. -
Nonstop3h 41m
Thu 10/97:55 a.m. -
Nonstop3h 33m
Deal found 11/8C$ 397
Sat 5/96:00 a.m. -
1 stop6h 13m
Fri 11/97:55 a.m. -
Nonstop3h 33m
Deal found 13/8C$ 400
Thu 1/106:30 p.m. -
Nonstop3h 47m
Sun 4/107:10 a.m. -
Nonstop3h 33m
Deal found 12/8C$ 402
Tue 8/127:00 a.m. -
1 stop10h 07m
Wed 9/126:02 p.m. -
1 stop5h 56m
Deal found 13/8C$ 702
Sat 26/97:50 a.m. -
1 stop6h 14m
Sat 3/102:34 p.m. -
1 stop7h 08m
Deal found 16/8C$ 719
Sun 15/117:00 a.m. -
1 stop10h 07m
Wed 18/117:35 a.m. -
1 stop9h 54m
Deal found 13/8C$ 723

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 16 August 2026.

Round-trip from

C$ 377

One-way from

C$ 264

Popular in

December

Cheapest in

June

Average price

C$ 572
Air Canada
  • Air Canada
  • 23/9-14/10
  • Nonstop
  • 7h 17m total
  • Montreal to Florida Keys
Search Deals
Delta
  • Delta
  • 21/10
  • 1 total stop
  • 8h 19m total
  • Montreal to Florida Keys
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (C$ 30 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 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 16 August 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 Montreal Pierre Elliott Trudeau Intl - MIA Miami

YULMIA

Montreal Pierre Elliott Trudeau Intl

Wed 30/9

6:47 p.m.-12:55 a.m.

1 stop6h 08m

Miami

Wed 7/10

4:24 p.m.-11:59 p.m.

1 stop7h 35m

C$ 445

MontrealMiami

YUL Montreal Pierre Elliott Trudeau Intl - MIA Miami

YULMIA

Montreal Pierre Elliott Trudeau Intl

Tue 8/9

7:00 a.m.-5:20 p.m.

1 stop10h 20m

Miami

Tue 15/9

1:12 p.m.-11:27 p.m.

1 stop10h 15m

C$ 445

MontrealMiami

YUL Montreal Pierre Elliott Trudeau Intl - MIA Miami

YULMIA

Montreal Pierre Elliott Trudeau Intl

Thu 15/10

12:50 p.m.-9:12 p.m.

1 stop8h 22m

Miami

Thu 29/10

1:19 p.m.-11:25 p.m.

1 stop10h 06m

C$ 497

MontrealMiami

YUL Montreal Pierre Elliott Trudeau Intl - MIA Miami

YULMIA

Montreal Pierre Elliott Trudeau Intl

Tue 1/12

7:00 a.m.-5:29 p.m.

1 stop10h 29m

Miami

Mon 7/12

7:00 a.m.-5:29 p.m.

1 stop10h 29m

C$ 524
Quickest round-trip

MontrealMiami

YUL Montreal Pierre Elliott Trudeau Intl - MIA Miami

YULMIA

Montreal Pierre Elliott Trudeau Intl

Wed 9/12

7:00 a.m.-1:46 p.m.

1 stop6h 46m

Miami

Wed 30/12

7:00 a.m.-1:28 p.m.

1 stop6h 28m

C$ 533

MontrealMiami

YUL Montreal Pierre Elliott Trudeau Intl - MIA Miami

YULMIA

Montreal Pierre Elliott Trudeau Intl

Sun 13/9

6:00 a.m.-2:41 p.m.

1 stop8h 41m

Miami

Tue 15/9

8:45 a.m.-4:10 p.m.

1 stop7h 25m

C$ 534

MontrealMiami

YUL Montreal Pierre Elliott Trudeau Intl - MIA Miami

YULMIA

Montreal Pierre Elliott Trudeau Intl

Sat 5/9

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

1 stop10h 01m

Miami

Fri 11/9

9:00 a.m.-6:53 p.m.

1 stop9h 53m

C$ 534

MontrealMiami

YUL Montreal Pierre Elliott Trudeau Intl - MIA Miami

YULMIA

Montreal Pierre Elliott Trudeau Intl

Sat 5/9

9:30 a.m.-6:53 p.m.

1 stop9h 23m

Miami

Sun 20/9

6:00 a.m.-11:36 a.m.

1 stop5h 36m

C$ 537

MontrealMiami

YUL Montreal Pierre Elliott Trudeau Intl - MIA Miami

YULMIA

Montreal Pierre Elliott Trudeau Intl

Fri 23/10

7:00 a.m.-4:45 p.m.

1 stop9h 45m

Miami

Sat 31/10

6:00 a.m.-1:39 p.m.

1 stop7h 39m

C$ 555

MontrealMiami

YUL Montreal Pierre Elliott Trudeau Intl - MIA Miami

YULMIA

Montreal Pierre Elliott Trudeau Intl

Fri 11/9

2:25 p.m.-8:47 p.m.

1 stop6h 22m

Miami

Mon 14/9

9:00 a.m.-6:53 p.m.

1 stop9h 53m

C$ 569

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/8

Showing 1-10 of 34 resultsSorted by cheapest first
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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$ 530). Flying from Montreal to Florida Keys in December is currently the most expensive (average of C$ 673). 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 16 August 2026.
Read through reviews of airlines operating flights from Montreal to Florida Keys, such as Porter Airlines,Delta, 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
457 reviews
Check prices

Crew

8.6

Overall

8.0

Boarding

8.2

Comfort

8.0

Entertainment

6.9

Food

7.6

Reviews

1 / 20
10.0
Excellent

Regan,Aug 2026

YYZ - YVR

My first flight with an all female flight crew who were the best ever.
Porter Airlines
8.0
Very good
457 reviews
Porter Airlines
8.0
Very good
457 reviews
Check prices

Crew

8.6

Overall

8.0

Boarding

8.2

Comfort

8.0

Entertainment

6.9

Food

7.6

Reviews

1 / 20
10.0
Excellent

Regan,Aug 2026

YYZ - YVR

My first flight with an all female flight crew who were the best ever.
Delta
7.8
Good
8,504 reviews
Porter Airlines
8.0
Very good
457 reviews
Check prices

Crew

8.6

Overall

8.0

Boarding

8.2

Comfort

8.0

Entertainment

6.9

Food

7.6

Reviews

1 / 20
10.0
Excellent

Regan,Aug 2026

YYZ - YVR

My first flight with an all female flight crew who were the best ever.
WestJet
7.2
Good
3,432 reviews
Porter Airlines
8.0
Very good
457 reviews
Check prices

Crew

8.6

Overall

8.0

Boarding

8.2

Comfort

8.0

Entertainment

6.9

Food

7.6

Reviews

1 / 20
10.0
Excellent

Regan,Aug 2026

YYZ - YVR

My first flight with an all female flight crew who were the best ever.
American Airlines
7.1
Good
11,946 reviews
Porter Airlines
8.0
Very good
457 reviews
Check prices

Crew

8.6

Overall

8.0

Boarding

8.2

Comfort

8.0

Entertainment

6.9

Food

7.6

Reviews

1 / 20
10.0
Excellent

Regan,Aug 2026

YYZ - YVR

My first flight with an all female flight crew who were the best ever.
Air Canada
7.1
Good
11,483 reviews
Porter Airlines
8.0
Very good
457 reviews
Check prices

Crew

8.6

Overall

8.0

Boarding

8.2

Comfort

8.0

Entertainment

6.9

Food

7.6

Reviews

1 / 20
10.0
Excellent

Regan,Aug 2026

YYZ - YVR

My first flight with an all female flight crew who were the best ever.

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 6h 08m. Delta provides one of the quickest options available for as low as C$ 445. 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$ 181. Users have also found prices from C$ 232 and C$ 252 on Delta and Air Canada, 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$ 530). Flying from Montreal to Florida Keys in December is currently the most expensive (average of C$ 673). 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

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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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