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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 26/2. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — EYW
23 Jan — 30 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 24 December 2025.

Tue 30/128:10 p.m.YUL - MIA
1 stop15h 15mAir Canada
Wed 14/18:00 a.m.MIA - YUL
Nonstop3h 39mAir Canada
Deal found 24/12C$ 439
Wed 31/128:00 a.m.YUL - MIA
1 stop7h 21mAir Canada
Tue 13/112:20 p.m.MIA - YUL
1 stop7h 02mAir Canada
Deal found 22/12C$ 465
Wed 31/128:50 a.m.YUL - MIA
2 stops11h 26mAir Canada
Mon 12/19:05 p.m.MIA - YUL
1 stop10h 37mAir Canada
Deal found 24/12C$ 470
Wed 31/125:10 p.m.YUL - MIA
1 stop7h 06mAir Canada
Sat 10/17:25 a.m.MIA - YUL
1 stop6h 58mAir Canada
Deal found 23/12C$ 479
Wed 31/1210:30 a.m.YUL - MIA
2 stops9h 46mAir Canada
Thu 8/14:20 p.m.MIA - YUL
1 stop7h 02mAir Canada
Deal found 22/12C$ 509
Tue 30/124:00 p.m.YUL - MIA
2 stops8h 16mAir Canada
Thu 8/17:25 a.m.MIA - YUL
1 stop7h 58mAir Canada
Deal found 22/12C$ 517
Wed 31/125:10 p.m.YUL - MIA
1 stop7h 06mAir Canada
Fri 9/14:20 p.m.MIA - YUL
1 stop8h 12mAir Canada
Deal found 22/12C$ 520

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 24 December 2025.

Round-trip from

C$ 372

One-way from

C$ 259

Popular in

December

Cheapest in

April

Average price

C$ 634
Air Canada
  • Air Canada
  • 18/1-24/1
  • 1 total stop
  • 11h 45m total
  • Montreal to Florida Keys
Search Deals
17/1
  • 17/1
  • 2 total stops
  • 33h 34m total
  • Montreal to Florida Keys
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (C$ 54 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 19 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 24 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

Sun 22/2

7:40 a.m.-11:39 a.m.

Nonstop3h 59m

Miami

Sun 1/3

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

1 stop6h 57m

C$ 383

MontrealMiami

YUL - MIA

YULMIA

Montreal Pierre Elliott Trudeau Intl

Fri 1/5

2:29 p.m.-8:49 p.m.

1 stop6h 20m

Miami

Thu 7/5

8:05 a.m.-5:07 p.m.

1 stop9h 02m

C$ 383

MontrealMiami

YUL - MIA

YULMIA

Montreal Pierre Elliott Trudeau Intl

Fri 1/5

3:40 p.m.-10:55 p.m.

1 stop7h 15m

Miami

Sat 9/5

6:15 a.m.-2:52 p.m.

1 stop8h 37m

C$ 384

MontrealMiami

YUL - MIA

YULMIA

Montreal Pierre Elliott Trudeau Intl

Sat 7/2

5:10 p.m.-12:16 a.m.

1 stop7h 06m

Miami

Sun 22/2

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

Nonstop3h 39m

C$ 420

MontrealMiami

YUL - MIA

YULMIA

Montreal Pierre Elliott Trudeau Intl

Tue 6/1

7:00 a.m.-5:15 p.m.

1 stop10h 15m

Miami

Tue 13/1

7:00 a.m.-1:22 p.m.

1 stop6h 22m

C$ 428

MontrealMiami

YUL - MIA

YULMIA

Montreal Pierre Elliott Trudeau Intl

Thu 15/1

7:00 a.m.-3:27 p.m.

1 stop8h 27m

Miami

Thu 22/1

4:32 p.m.-11:50 p.m.

1 stop7h 18m

C$ 443

MontrealMiami

YUL - MIA

YULMIA

Montreal Pierre Elliott Trudeau Intl

Sat 31/1

6:00 a.m.-10:35 p.m.

2 stops16h 35m

Miami

Mon 2/2

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

1 stop7h 28m

C$ 451

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Thu 5/2

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

1 stop29h 30m

Key West

Thu 12/2

2:25 p.m.-4:22 p.m.

1 stop25h 57m

C$ 458

MontrealMiami

YUL - MIA

YULMIA

Montreal Pierre Elliott Trudeau Intl

Sun 22/2

6:45 a.m.-1:09 p.m.

1 stop6h 24m

Miami

Fri 27/2

2:10 p.m.-9:00 p.m.

1 stop6h 50m

C$ 461

MontrealMiami

YUL - MIA

YULMIA

Montreal Pierre Elliott Trudeau Intl

Tue 13/1

6:45 a.m.-1:09 p.m.

1 stop6h 24m

Miami

Wed 21/1

2:10 p.m.-8:55 p.m.

1 stop6h 45m

C$ 468

Flights are sorted by cheapest round-trip flights first.

Deals found on 23/12

Showing 1-10 of 30 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 24 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
401 reviews
Check prices

Crew

8.6

Comfort

8.0

Boarding

8.2

Entertainment

7.0

Overall

8.0

Food

7.6

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
401 reviews
Porter Airlines
8.0
Very good
401 reviews
Check prices

Crew

8.6

Comfort

8.0

Boarding

8.2

Entertainment

7.0

Overall

8.0

Food

7.6

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
9,111 reviews
Porter Airlines
8.0
Very good
401 reviews
Check prices

Crew

8.6

Comfort

8.0

Boarding

8.2

Entertainment

7.0

Overall

8.0

Food

7.6

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
11,055 reviews
Porter Airlines
8.0
Very good
401 reviews
Check prices

Crew

8.6

Comfort

8.0

Boarding

8.2

Entertainment

7.0

Overall

8.0

Food

7.6

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
3,216 reviews
Porter Airlines
8.0
Very good
401 reviews
Check prices

Crew

8.6

Comfort

8.0

Boarding

8.2

Entertainment

7.0

Overall

8.0

Food

7.6

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
10,554 reviews
Porter Airlines
8.0
Very good
401 reviews
Check prices

Crew

8.6

Comfort

8.0

Boarding

8.2

Entertainment

7.0

Overall

8.0

Food

7.6

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 3h 59m. Air Canada provides one of the quickest options available for as low as C$ 383. 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 Transat. According to our data, you can fly for as low as C$ 145. Users have also found prices from C$ 152 and C$ 202 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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Alternative routes for Montreal to Florida Keys

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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?

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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