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Cheap flights from Montreal to Florida Keys from C$ 227

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 9/4. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — EYW
16 Mar — 23 Mar1
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 14 February 2026.

Tue 17/212:59 p.m.
YUL
-
MIA
2 stops8h 53m
American Airlines
Wed 18/22:45 p.m.
MIA
-
YUL
1 stop8h 11m
American Airlines
Deal found 14/2C$ 392
Sat 18/412:30 p.m.
YUL
-
MIA
1 stop10h 42m
American Airlines
Sat 25/48:26 p.m.
MIA
-
YUL
1 stop15h 18m
American Airlines
Deal found 14/2C$ 402
Mon 23/36:45 p.m.
YUL
-
MIA
1 stop6h 07m
WestJet
Tue 7/46:00 a.m.
MIA
-
YUL
1 stop5h 37m
WestJet
Deal found 10/2C$ 414
Sun 8/36:45 p.m.
YUL
-
MIA
1 stop6h 07m
WestJet
Wed 15/46:00 a.m.
MIA
-
YUL
1 stop5h 38m
WestJet
Deal found 11/2C$ 415
Tue 24/37:30 p.m.
YUL
-
MIA
2 stops15h 06m
WestJet
Tue 31/312:01 p.m.
MIA
-
YUL
1 stop5h 30m
WestJet
Deal found 12/2C$ 417
Tue 10/36:45 p.m.
YUL
-
MIA
1 stop6h 07m
WestJet
Tue 24/34:44 p.m.
MIA
-
YUL
1 stop7h 01m
WestJet
Deal found 11/2C$ 418
Mon 16/37:00 a.m.
YUL
-
MIA
1 stop10h 21m
WestJet
Tue 17/37:00 a.m.
MIA
-
YUL
1 stop6h 37m
WestJet
Deal found 14/2C$ 419
Tue 10/39:20 a.m.
YUL
-
MIA
1 stop9h 31m
WestJet
Tue 17/37:00 a.m.
MIA
-
YUL
1 stop6h 37m
WestJet
Deal found 12/2C$ 421
Sun 8/36:45 p.m.
YUL
-
MIA
1 stop6h 07m
WestJet
Fri 13/38:00 a.m.
MIA
-
YUL
1 stop15h 13m
WestJet
Deal found 12/2C$ 422
Wed 15/412:50 p.m.
YUL
-
MIA
1 stop5h 45m
WestJet
Mon 20/46:00 a.m.
MIA
-
YUL
1 stop5h 38m
WestJet
Deal found 14/2C$ 423
Mon 23/31:30 p.m.
YUL
-
MIA
Nonstop3h 59m
Air Canada
Wed 1/44:15 p.m.
MIA
-
YUL
1 stop7h 06m
Air Canada
Deal found 11/2C$ 425
Mon 13/48:00 a.m.
YUL
-
EYW
1 stop27h 30m
Multiple Airlines
Sun 19/412:06 p.m.
EYW
-
YUL
1 stop28h 22m
Multiple Airlines
Deal found 11/2C$ 468

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 14 February 2026.

Round-trip from

C$ 402

One-way from

C$ 227

Popular in

December

Cheapest in

April

Average price

C$ 536
American Airlines
  • American Airlines
  • 18/4-25/4
  • 2 total stops
  • 26h 00m total
  • Montreal to Florida Keys
Search Deals
9/4
  • 9/4
  • 2 total stops
  • 27h 55m total
  • Montreal to Florida Keys
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (C$ 85 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 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 14 February 2026.
Use the filters below to find and compare flights from Montreal to Florida Keys that are best for you.

Fly from

Montreal

Fly to

Florida Keys

Route

Depart

Return

Price

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Mon 13/4

8:00 a.m.-11:30 a.m.

1 stop27h 30m

Key West

Sun 19/4

12:06 p.m.-4:28 p.m.

1 stop28h 22m

C$ 468

MontrealMiami

YUL - MIA

YULMIA

Montreal Pierre Elliott Trudeau Intl

Mon 16/3

6:45 p.m.-12:52 a.m.

1 stop6h 07m

Miami

Wed 25/3

6:00 a.m.-11:37 a.m.

1 stop5h 37m

C$ 483

MontrealMiami

YUL - MIA

YULMIA

Montreal Pierre Elliott Trudeau Intl

Tue 24/2

7:00 a.m.-3:21 p.m.

1 stop8h 21m

Miami

Wed 4/3

7:25 a.m.-2:22 p.m.

1 stop6h 57m

C$ 497

MontrealMiami

YUL - MIA

YULMIA

Montreal Pierre Elliott Trudeau Intl

Sat 7/3

2:26 p.m.-9:10 p.m.

1 stop6h 44m

Miami

Sat 14/3

9:25 a.m.-8:30 a.m.

1 stop23h 05m

C$ 497

MontrealMiami

YUL - MIA

YULMIA

Montreal Pierre Elliott Trudeau Intl

Mon 9/3

2:29 p.m.-9:22 p.m.

1 stop6h 53m

Miami

Sat 14/3

9:25 a.m.-8:30 a.m.

1 stop23h 05m

C$ 497

MontrealMiami

YUL - MIA

YULMIA

Montreal Pierre Elliott Trudeau Intl

Sun 8/3

6:45 p.m.-12:52 a.m.

1 stop6h 07m

Miami

Sat 14/3

9:25 a.m.-8:30 a.m.

1 stop23h 05m

C$ 497

MontrealMiami

YUL - MIA

YULMIA

Montreal Pierre Elliott Trudeau Intl

Sat 21/3

3:00 p.m.-11:59 p.m.

1 stop8h 59m

Miami

Tue 24/3

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

1 stop6h 28m

C$ 506

MontrealMiami

YUL - MIA

YULMIA

Montreal Pierre Elliott Trudeau Intl

Thu 12/3

6:00 a.m.-5:28 p.m.

1 stop11h 28m

Miami

Tue 17/3

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

1 stop6h 28m

C$ 506

MontrealMiami

YUL - MIA

YULMIA

Montreal Pierre Elliott Trudeau Intl

Fri 1/5

2:29 p.m.-10:52 p.m.

1 stop8h 23m

Miami

Sun 10/5

6:00 a.m.-11:35 a.m.

1 stop5h 35m

C$ 506

MontrealMiami

YUL - MIA

YULMIA

Montreal Pierre Elliott Trudeau Intl

Tue 10/3

3:00 p.m.-11:59 p.m.

1 stop8h 59m

Miami

Tue 24/3

6:00 a.m.-1:28 p.m.

1 stop7h 28m

C$ 508

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/2

Showing 1-10 of 31 results
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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
No data available for this route at this time. Please check back soon.

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 14 February 2026.
Read through reviews of airlines operating flights from Montreal to Florida Keys, such as Porter Airlines,United Airlines, andAmerican Airlines. 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
7.9
Good
415 reviews
Check prices

Crew

8.6

Entertainment

6.9

Overall

7.9

Comfort

7.9

Boarding

8.2

Food

7.5

Reviews

1 / 20
2.0
Mediocre

Milad,Feb 2026

LIR - YYZ

Not helpful staff at Liberia airport at the check-in counter. Extremely poor skill people and not willing to help the passenger.
Porter Airlines
7.9
Good
415 reviews
Porter Airlines
7.9
Good
415 reviews
Check prices

Crew

8.6

Entertainment

6.9

Overall

7.9

Comfort

7.9

Boarding

8.2

Food

7.5

Reviews

1 / 20
2.0
Mediocre

Milad,Feb 2026

LIR - YYZ

Not helpful staff at Liberia airport at the check-in counter. Extremely poor skill people and not willing to help the passenger.
United Airlines
7.4
Good
9,296 reviews
Porter Airlines
7.9
Good
415 reviews
Check prices

Crew

8.6

Entertainment

6.9

Overall

7.9

Comfort

7.9

Boarding

8.2

Food

7.5

Reviews

1 / 20
2.0
Mediocre

Milad,Feb 2026

LIR - YYZ

Not helpful staff at Liberia airport at the check-in counter. Extremely poor skill people and not willing to help the passenger.
American Airlines
7.2
Good
11,297 reviews
Porter Airlines
7.9
Good
415 reviews
Check prices

Crew

8.6

Entertainment

6.9

Overall

7.9

Comfort

7.9

Boarding

8.2

Food

7.5

Reviews

1 / 20
2.0
Mediocre

Milad,Feb 2026

LIR - YYZ

Not helpful staff at Liberia airport at the check-in counter. Extremely poor skill people and not willing to help the passenger.
WestJet
7.2
Good
3,262 reviews
Porter Airlines
7.9
Good
415 reviews
Check prices

Crew

8.6

Entertainment

6.9

Overall

7.9

Comfort

7.9

Boarding

8.2

Food

7.5

Reviews

1 / 20
2.0
Mediocre

Milad,Feb 2026

LIR - YYZ

Not helpful staff at Liberia airport at the check-in counter. Extremely poor skill people and not willing to help the passenger.
Air Canada
7.1
Good
10,718 reviews
Porter Airlines
7.9
Good
415 reviews
Check prices

Crew

8.6

Entertainment

6.9

Overall

7.9

Comfort

7.9

Boarding

8.2

Food

7.5

Reviews

1 / 20
2.0
Mediocre

Milad,Feb 2026

LIR - YYZ

Not helpful staff at Liberia airport at the check-in counter. Extremely poor skill people and not willing to help the passenger.

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 07m. Delta provides one of the quickest options available for as low as C$ 483. There are 2261 km between Montreal and Florida Keys.

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

    For one-way options, check prices for Air Transat. According to our data, you can fly for as low as C$ 142. Users have also found prices from C$ 151 and C$ 206 on Porter Airlines 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.

See more FAQs

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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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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.

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

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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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