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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 25/1. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — EYW
11 Jan — 18 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 12 December 2025.

Sat 13/128:35 a.m.YUL - MIA
Nonstop3h 59mAir Canada
Tue 16/121:20 p.m.MIA - YUL
Nonstop3h 39mAir Canada
Deal found 10/12C$ 459
Mon 15/1211:10 a.m.YUL - MIA
1 stop9h 06mAir Canada
Wed 17/128:00 a.m.MIA - YUL
Nonstop3h 39mAir Canada
Deal found 11/12C$ 466
Wed 31/126:45 a.m.YUL - MIA
1 stop6h 24mPorter Airlines
Mon 12/12:10 p.m.MIA - YUL
1 stop6h 45mPorter Airlines
Deal found 10/12C$ 473
Sun 14/121:20 p.m.YUL - MIA
2 stops10h 56mAir Canada
Thu 18/128:00 a.m.MIA - YUL
Nonstop3h 39mAir Canada
Deal found 9/12C$ 480
Wed 10/128:35 a.m.YUL - MIA
Nonstop3h 59mAir Canada
Thu 11/128:00 a.m.MIA - YUL
Nonstop3h 39mAir Canada
Deal found 10/12C$ 481
Sat 13/128:35 a.m.YUL - MIA
Nonstop3h 59mAir Canada
Thu 18/128:00 a.m.MIA - YUL
Nonstop3h 39mAir Canada
Deal found 10/12C$ 484
Tue 16/126:30 p.m.YUL - MIA
1 stop6h 16mDelta
Tue 13/17:39 a.m.MIA - YUL
2 stops16h 11mDelta
Deal found 11/12C$ 488
Sun 14/126:00 a.m.YUL - MIA
1 stop10h 38mDelta
Tue 16/1210:32 a.m.MIA - YUL
1 stop6h 53mDelta
Deal found 10/12C$ 490
Mon 15/128:50 a.m.YUL - MIA
2 stops11h 26mAir Canada
Wed 24/121:20 p.m.MIA - YUL
Nonstop3h 39mAir Canada
Deal found 11/12C$ 491
Mon 29/122:30 p.m.YUL - EYW
2 stops20h 50mMultiple Airlines
Sun 4/112:20 p.m.EYW - YUL
3 stops28h 05mMultiple Airlines
Deal found 11/12C$ 1,189
Mon 29/126:20 p.m.YUL - EYW
1 stop16h 32mWestJet
Sun 4/16:20 p.m.EYW - YUL
1 stop19h 12mWestJet
Deal found 11/12C$ 1,334

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 12 December 2025.

Round-trip from

C$ 411

One-way from

C$ 261

Popular in

December

Cheapest in

April

Average price

C$ 619
Porter Airlines
  • Porter Airlines
  • 4/3-11/3
  • 2 total stops
  • 13h 09m total
  • Montreal to Florida Keys
Search Deals
25/1
  • 25/1
  • 3 total stops
  • 18h 31m total
  • Montreal to Florida Keys
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (C$ 48 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 12 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

Thu 23/4

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

1 stop6h 24m

Miami

Fri 22/5

2:05 p.m.-9:43 p.m.

1 stop7h 38m

C$ 481

MontrealMiami

YUL - MIA

YULMIA

Montreal Pierre Elliott Trudeau Intl

Sun 26/4

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

1 stop6h 24m

Miami

Mon 25/5

2:05 p.m.-9:43 p.m.

1 stop7h 38m

C$ 481

MontrealMiami

YUL - MIA

YULMIA

Montreal Pierre Elliott Trudeau Intl

Fri 23/1

6:02 p.m.-10:24 a.m.

2 stops16h 22m

Miami

Fri 30/1

7:40 a.m.-11:50 p.m.

2 stops16h 10m

C$ 488

MontrealMiami

YUL - MIA

YULMIA

Montreal Pierre Elliott Trudeau Intl

Wed 28/1

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

2 stops14h 26m

Miami

Tue 3/2

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

1 stop5h 55m

C$ 488

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

7:01 a.m.-1:10 p.m.

1 stop6h 09m

C$ 490

MontrealMiami

YUL - MIA

YULMIA

Montreal Pierre Elliott Trudeau Intl

Tue 13/1

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

1 stop7h 38m

Miami

Tue 20/1

12:18 p.m.-9:17 p.m.

1 stop8h 59m

C$ 490

MontrealMiami

YUL - MIA

YULMIA

Montreal Pierre Elliott Trudeau Intl

Tue 10/3

12:37 p.m.-8:50 p.m.

1 stop8h 13m

Miami

Thu 26/3

10:26 a.m.-5:30 p.m.

1 stop7h 04m

C$ 490

MontrealMiami

YUL - MIA

YULMIA

Montreal Pierre Elliott Trudeau Intl

Sat 17/1

6:00 a.m.-10:45 p.m.

2 stops16h 45m

Miami

Sat 24/1

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

1 stop7h 28m

C$ 490

MontrealMiami

YUL - MIA

YULMIA

Montreal Pierre Elliott Trudeau Intl

Tue 6/1

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

1 stop9h 05m

Miami

Tue 13/1

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

1 stop6h 22m

C$ 490

MontrealMiami

YUL - MIA

YULMIA

Montreal Pierre Elliott Trudeau Intl

Wed 11/3

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

1 stop8h 59m

Miami

Tue 17/3

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

1 stop7h 28m

C$ 490

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/12

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 12 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
397 reviews
Check prices

Entertainment

7.0

Food

7.6

Boarding

8.2

Comfort

8.0

Crew

8.6

Overall

8.0

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
397 reviews
Porter Airlines
8.0
Very good
397 reviews
Check prices

Entertainment

7.0

Food

7.6

Boarding

8.2

Comfort

8.0

Crew

8.6

Overall

8.0

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
9,095 reviews
Porter Airlines
8.0
Very good
397 reviews
Check prices

Entertainment

7.0

Food

7.6

Boarding

8.2

Comfort

8.0

Crew

8.6

Overall

8.0

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
11,049 reviews
Porter Airlines
8.0
Very good
397 reviews
Check prices

Entertainment

7.0

Food

7.6

Boarding

8.2

Comfort

8.0

Crew

8.6

Overall

8.0

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
3,194 reviews
Porter Airlines
8.0
Very good
397 reviews
Check prices

Entertainment

7.0

Food

7.6

Boarding

8.2

Comfort

8.0

Crew

8.6

Overall

8.0

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
10,514 reviews
Porter Airlines
8.0
Very good
397 reviews
Check prices

Entertainment

7.0

Food

7.6

Boarding

8.2

Comfort

8.0

Crew

8.6

Overall

8.0

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 6h 24m. Porter Airlines provides one of the quickest options available for as low as C$ 481. 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$ 153 and C$ 203 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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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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