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Cheap flights from Montreal to Florida Keys from C$ 248

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 17/11. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — EYW
18 Nov — 25 Nov1
1 adult
1 adult, Economy

Cheap 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 19 October 2025.

Round-trip from

C$ 428

One-way from

C$ 248

Popular in

December

Cheapest in

April

Average price

C$ 542
Air Canada
  • Air Canada
  • 1/12-9/12
  • Nonstop
  • 7h 38m total
  • Montreal to Florida Keys
Search Deals
17/11
  • 17/11
  • 2 total stops
  • 12h 02m total
  • Montreal to Florida Keys
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (C$ 36 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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Find 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 19 October 2025.

Mon 1/128:35 a.m.YUL - MIA
Nonstop3h 59mAir Canada
Tue 9/121:20 p.m.MIA - YUL
Nonstop3h 39mAir Canada
Deal found 17/10C$ 428
Wed 26/116:30 p.m.YUL - MIA
Nonstop3h 59mAir Canada
Wed 3/121:20 p.m.MIA - YUL
Nonstop3h 39mAir Canada
Deal found 18/10C$ 440
Thu 20/116:30 p.m.YUL - MIA
Nonstop3h 59mAir Canada
Thu 27/1112:25 p.m.MIA - YUL
Nonstop3h 39mAir Canada
Deal found 17/10C$ 443
Mon 10/116:45 a.m.YUL - MIA
2 stops11h 58mMultiple Airlines
Thu 20/119:40 p.m.MIA - YUL
1 stop18h 45mMultiple Airlines
Deal found 18/10C$ 446
Mon 17/116:45 a.m.YUL - MIA
2 stops12h 02mMultiple Airlines
Sun 7/128:21 a.m.MIA - YUL
1 stop8h 04mMultiple Airlines
Deal found 17/10C$ 447
Sat 15/118:55 a.m.YUL - MIA
2 stops11h 53mMultiple Airlines
Thu 4/128:21 a.m.MIA - YUL
1 stop8h 04mMultiple Airlines
Deal found 17/10C$ 449
Mon 27/108:00 a.m.YUL - MIA
Nonstop3h 59mAir Canada
Fri 31/108:00 a.m.MIA - YUL
Nonstop3h 39mAir Canada
Deal found 17/10C$ 450
Sat 15/118:55 a.m.YUL - MIA
2 stops11h 53mMultiple Airlines
Tue 9/128:21 a.m.MIA - YUL
1 stop8h 04mMultiple Airlines
Deal found 17/10C$ 451
Sat 22/114:00 p.m.YUL - MIA
2 stops17h 16mMultiple Airlines
Tue 9/129:03 p.m.MIA - YUL
1 stop19h 22mMultiple Airlines
Deal found 17/10C$ 453
Sat 25/106:45 a.m.YUL - EYW
1 stop25h 30mMultiple Airlines
Sun 2/118:55 a.m.EYW - YUL
1 stop15h 35mMultiple Airlines
Deal found 16/10C$ 726
Mon 24/116:00 a.m.YUL - EYW
2 stops13h 53mDelta
Mon 1/126:18 p.m.EYW - YUL
1 stop5h 41mDelta
Deal found 17/10C$ 826
Mon 24/117:00 a.m.YUL - EYW
1 stop14h 48mAmerican Airlines
Mon 1/124:53 p.m.EYW - YUL
1 stop5h 47mAmerican Airlines
Deal found 17/10C$ 872

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 19 October 2025.
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

MontrealMiami

YUL - MIA

YULMIA

Montreal Pierre Elliott Trudeau Intl

Thu 12/3

3:00 p.m.-11:49 p.m.

1 stop8h 49m

Miami

Thu 19/3

8:00 a.m.-11:39 a.m.

Nonstop3h 39m

C$ 478

MontrealMiami

YUL - MIA

YULMIA

Montreal Pierre Elliott Trudeau Intl

Fri 12/12

3:00 p.m.-10:42 p.m.

1 stop7h 42m

Miami

Fri 19/12

1:20 p.m.-4:59 p.m.

Nonstop3h 39m

C$ 478

MontrealMiami

YUL - MIA

YULMIA

Montreal Pierre Elliott Trudeau Intl

Fri 12/12

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

1 stop8h 59m

Miami

Thu 18/12

8:00 a.m.-11:39 a.m.

Nonstop3h 39m

C$ 479

MontrealMiami

YUL - MIA

YULMIA

Montreal Pierre Elliott Trudeau Intl

Wed 7/1

6:00 a.m.-9:54 p.m.

2 stops15h 54m

Miami

Wed 14/1

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

1 stop7h 28m

C$ 492

MontrealMiami

YUL - MIA

YULMIA

Montreal Pierre Elliott Trudeau Intl

Fri 6/2

6:15 p.m.-12:57 a.m.

1 stop6h 42m

Miami

Sat 14/2

8:45 a.m.-6:49 p.m.

1 stop10h 04m

C$ 492

MontrealMiami

YUL - MIA

YULMIA

Montreal Pierre Elliott Trudeau Intl

Fri 30/1

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

1 stop8h 59m

Miami

Sat 7/2

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

1 stop7h 28m

C$ 492

MontrealMiami

YUL - MIA

YULMIA

Montreal Pierre Elliott Trudeau Intl

Mon 17/11

7:00 a.m.-2:35 p.m.

1 stop7h 35m

Miami

Wed 10/12

6:30 p.m.-11:59 p.m.

1 stop5h 29m

C$ 492

MontrealMiami

YUL - MIA

YULMIA

Montreal Pierre Elliott Trudeau Intl

Thu 20/11

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

1 stop8h 59m

Miami

Tue 9/12

7:30 a.m.-1:28 p.m.

1 stop5h 58m

C$ 492

MontrealMiami

YUL - MIA

YULMIA

Montreal Pierre Elliott Trudeau Intl

Tue 24/2

6:15 p.m.-12:57 a.m.

1 stop6h 42m

Miami

Tue 3/3

8:05 a.m.-5:04 p.m.

1 stop8h 59m

C$ 492

MontrealMiami

YUL - MIA

YULMIA

Montreal Pierre Elliott Trudeau Intl

Thu 11/12

6:30 p.m.-12:46 a.m.

1 stop6h 16m

Miami

Sat 20/12

5:07 p.m.-11:59 p.m.

1 stop6h 52m

C$ 492

Flights are sorted by cheapest round-trip flights first.

Deals found on 17/10

Showing 1-10 of 28 results
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2
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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 19 October 2025.
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
8.0
Very good
381 reviews
Check prices

Comfort

8.0

Entertainment

7.0

Crew

8.6

Food

7.6

Boarding

8.2

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Porter Airlines
8.0
Very good
381 reviews
Porter Airlines
8.0
Very good
381 reviews
Check prices

Comfort

8.0

Entertainment

7.0

Crew

8.6

Food

7.6

Boarding

8.2

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
United Airlines
7.4
Good
8,989 reviews
Porter Airlines
8.0
Very good
381 reviews
Check prices

Comfort

8.0

Entertainment

7.0

Crew

8.6

Food

7.6

Boarding

8.2

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
American Airlines
7.2
Good
11,032 reviews
Porter Airlines
8.0
Very good
381 reviews
Check prices

Comfort

8.0

Entertainment

7.0

Crew

8.6

Food

7.6

Boarding

8.2

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
WestJet
7.2
Good
3,129 reviews
Porter Airlines
8.0
Very good
381 reviews
Check prices

Comfort

8.0

Entertainment

7.0

Crew

8.6

Food

7.6

Boarding

8.2

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Air Canada
7.1
Good
10,330 reviews
Porter Airlines
8.0
Very good
381 reviews
Check prices

Comfort

8.0

Entertainment

7.0

Crew

8.6

Food

7.6

Boarding

8.2

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.

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 42m. United Airlines provides one of the quickest options available for as low as C$ 492. 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 Air Canada. According to our data, you can fly for as low as C$ 266. Users have also found prices from C$ 271 and C$ 279 on Porter Airlines and American Airlines, 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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