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Cheap flights from Montreal to Florida Keys from C$ 261

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 1/2. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — EYW
3 Jan — 10 Jan1
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 4 December 2025.

Wed 10/128:35 a.m.YUL - MIA
Nonstop3h 59mAir Canada
Wed 17/128:00 a.m.MIA - YUL
Nonstop3h 39mAir Canada
Deal found 3/12C$ 421
Sun 14/125:10 p.m.YUL - MIA
1 stop7h 06mAir Canada
Tue 16/128:00 a.m.MIA - YUL
Nonstop3h 39mAir Canada
Deal found 2/12C$ 430
Sun 7/126:30 p.m.YUL - MIA
Nonstop3h 59mAir Canada
Fri 12/128:00 a.m.MIA - YUL
Nonstop3h 39mAir Canada
Deal found 2/12C$ 444
Sun 7/126:30 p.m.YUL - MIA
Nonstop3h 59mAir Canada
Tue 9/128:00 a.m.MIA - YUL
Nonstop3h 39mAir Canada
Deal found 1/12C$ 445
Sun 7/126:30 p.m.YUL - MIA
Nonstop3h 59mAir Canada
Fri 19/121:45 p.m.MIA - YUL
Nonstop3h 30mAir Canada
Deal found 3/12C$ 449
Sun 7/126:30 p.m.YUL - MIA
Nonstop3h 59mAir Canada
Wed 24/128:00 a.m.MIA - YUL
Nonstop3h 39mAir Canada
Deal found 2/12C$ 452
Sun 7/126:30 p.m.YUL - MIA
Nonstop3h 59mAir Canada
Thu 11/128:00 a.m.MIA - YUL
Nonstop3h 39mAir Canada
Deal found 2/12C$ 456
Mon 15/126:00 a.m.YUL - MIA
1 stop10h 38mDelta
Mon 19/17:15 a.m.MIA - YUL
1 stop9h 40mDelta
Deal found 2/12C$ 458

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 4 December 2025.

Round-trip from

C$ 412

One-way from

C$ 261

Popular in

December

Cheapest in

April

Average price

C$ 617
7/1-12/1
  • 7/1-12/1
  • 3 total stops
  • 17h 31m total
  • Montreal to Florida Keys
Search Deals
1/2
  • 1/2
  • 3 total stops
  • 21h 19m total
  • Montreal to Florida Keys
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (C$ 42 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 December 2025
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 4 December 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

Wed 25/2

7:00 a.m.-6:21 p.m.

1 stop11h 21m

Miami

Thu 5/3

6:00 a.m.-11:25 a.m.

1 stop5h 25m

C$ 426

MontrealMiami

YUL - MIA

YULMIA

Montreal Pierre Elliott Trudeau Intl

Tue 13/1

2:15 p.m.-11:20 p.m.

1 stop9h 05m

Miami

Sat 24/1

5:50 a.m.-11:45 a.m.

1 stop5h 55m

C$ 427

MontrealMiami

YUL - MIA

YULMIA

Montreal Pierre Elliott Trudeau Intl

Fri 12/12

12:40 p.m.-10:14 p.m.

1 stop9h 34m

Miami

Wed 14/1

7:15 a.m.-1:32 p.m.

1 stop6h 17m

C$ 459

MontrealMiami

YUL - MIA

YULMIA

Montreal Pierre Elliott Trudeau Intl

Tue 6/1

9:34 a.m.-6:54 p.m.

1 stop9h 20m

Miami

Fri 9/1

5:50 a.m.-1:32 p.m.

1 stop7h 42m

C$ 459

MontrealMiami

YUL - MIA

YULMIA

Montreal Pierre Elliott Trudeau Intl

Wed 18/2

7:00 a.m.-2:13 p.m.

1 stop7h 13m

Miami

Sat 21/2

6:00 a.m.-11:25 a.m.

1 stop5h 25m

C$ 461

MontrealMiami

YUL - MIA

YULMIA

Montreal Pierre Elliott Trudeau Intl

Wed 28/1

6:00 a.m.-8:26 p.m.

2 stops14h 26m

Miami

Mon 2/2

7:15 a.m.-4:55 p.m.

1 stop9h 40m

C$ 463

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Sun 18/1

8:00 a.m.-1:30 p.m.

1 stop29h 30m

Key West

Sun 25/1

12:51 p.m.-12:43 a.m.

2 stops35h 52m

C$ 476

MontrealMiami

YUL - MIA

YULMIA

Montreal Pierre Elliott Trudeau Intl

Sun 8/2

7:00 a.m.-2:38 p.m.

1 stop7h 38m

Miami

Tue 17/2

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

1 stop7h 28m

C$ 490

MontrealMiami

YUL - MIA

YULMIA

Montreal Pierre Elliott Trudeau Intl

Wed 11/2

9:15 a.m.-4:22 p.m.

1 stop7h 07m

Miami

Tue 24/2

7:15 a.m.-1:28 p.m.

1 stop6h 13m

C$ 491

MontrealMiami

YUL - MIA

YULMIA

Montreal Pierre Elliott Trudeau Intl

Sun 7/12

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

1 stop8h 59m

Miami

Thu 25/12

2:25 p.m.-9:42 p.m.

1 stop7h 17m

C$ 491

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/12

Showing 1-10 of 43 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 4 December 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
394 reviews
Check prices

Comfort

8.0

Overall

8.0

Boarding

8.2

Crew

8.6

Food

7.6

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Porter Airlines
8.0
Very good
394 reviews
Porter Airlines
8.0
Very good
394 reviews
Check prices

Comfort

8.0

Overall

8.0

Boarding

8.2

Crew

8.6

Food

7.6

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
United Airlines
7.4
Good
9,063 reviews
Porter Airlines
8.0
Very good
394 reviews
Check prices

Comfort

8.0

Overall

8.0

Boarding

8.2

Crew

8.6

Food

7.6

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
American Airlines
7.2
Good
11,043 reviews
Porter Airlines
8.0
Very good
394 reviews
Check prices

Comfort

8.0

Overall

8.0

Boarding

8.2

Crew

8.6

Food

7.6

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
WestJet
7.2
Good
3,191 reviews
Porter Airlines
8.0
Very good
394 reviews
Check prices

Comfort

8.0

Overall

8.0

Boarding

8.2

Crew

8.6

Food

7.6

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Air Canada
7.1
Good
10,500 reviews
Porter Airlines
8.0
Very good
394 reviews
Check prices

Comfort

8.0

Overall

8.0

Boarding

8.2

Crew

8.6

Food

7.6

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

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 11h 21m. Delta provides one of the quickest options available for as low as C$ 426. 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$ 147. Users have also found prices from C$ 155 and C$ 206 on Porter Airlines 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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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.

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

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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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