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Cheap flights from Montreal to Florida Keys from C$ 222

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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — EYW
22 Mar — 29 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 20 February 2026.

Thu 19/36:45 a.m.
YUL
-
MIA
1 stop6h 24m
Porter Airlines
Fri 27/32:10 p.m.
MIA
-
YUL
1 stop6h 42m
Porter Airlines
Deal found 19/2C$ 393
Thu 16/46:50 a.m.
YUL
-
MIA
2 stops13h 21m
Multiple Airlines
Wed 22/48:35 p.m.
MIA
-
YUL
1 stop19h 50m
Multiple Airlines
Deal found 19/2C$ 397
Thu 9/45:10 p.m.
YUL
-
MIA
1 stop9h 01m
Multiple Airlines
Thu 16/46:04 a.m.
MIA
-
YUL
1 stop10h 21m
Multiple Airlines
Deal found 17/2C$ 398
Mon 9/36:45 a.m.
YUL
-
MIA
1 stop6h 24m
Porter Airlines
Thu 26/32:10 p.m.
MIA
-
YUL
1 stop6h 42m
Porter Airlines
Deal found 19/2C$ 407
Mon 9/36:45 a.m.
YUL
-
MIA
1 stop6h 24m
Multiple Airlines
Wed 11/312:52 p.m.
MIA
-
YUL
2 stops26h 18m
Multiple Airlines
Deal found 19/2C$ 408
Sun 22/26:45 a.m.
YUL
-
MIA
1 stop6h 24m
Porter Airlines
Thu 26/22:10 p.m.
MIA
-
YUL
1 stop6h 50m
Porter Airlines
Deal found 19/2C$ 411
Sat 7/36:45 a.m.
YUL
-
MIA
1 stop6h 24m
Multiple Airlines
Tue 10/36:54 p.m.
MIA
-
YUL
2 stops21h 36m
Multiple Airlines
Deal found 18/2C$ 413
Thu 19/36:45 a.m.
YUL
-
MIA
1 stop6h 24m
Porter Airlines
Thu 26/32:10 p.m.
MIA
-
YUL
1 stop6h 42m
Porter Airlines
Deal found 19/2C$ 415
Mon 23/26:45 a.m.
YUL
-
MIA
1 stop6h 24m
Porter Airlines
Thu 26/22:10 p.m.
MIA
-
YUL
1 stop6h 50m
Porter Airlines
Deal found 17/2C$ 416
Mon 20/46:45 p.m.
YUL
-
MIA
1 stop6h 09m
WestJet
Wed 22/42:45 p.m.
MIA
-
YUL
1 stop8h 41m
WestJet
Deal found 19/2C$ 418
Wed 1/47:00 a.m.
YUL
-
MIA
1 stop10h 28m
WestJet
Fri 3/46:00 a.m.
MIA
-
YUL
1 stop5h 37m
WestJet
Deal found 19/2C$ 419
Tue 7/47:00 a.m.
YUL
-
MIA
1 stop7h 10m
WestJet
Wed 8/44:52 p.m.
MIA
-
YUL
1 stop6h 52m
WestJet
Deal found 19/2C$ 420

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 20 February 2026.

Round-trip from

C$ 393

One-way from

C$ 222

Popular in

December

Cheapest in

April

Average price

C$ 541
Porter Airlines
  • Porter Airlines
  • 19/3-27/3
  • 2 total stops
  • 13h 06m total
  • Montreal to Florida Keys
Search Deals
8/4
  • 8/4
  • 1 total stop
  • 11h 42m total
  • Montreal to Florida Keys
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (C$ 85 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 23 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 20 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

MontrealMiami

YUL - MIA

YULMIA

Montreal Pierre Elliott Trudeau Intl

Sat 7/3

12:52 p.m.-10:10 p.m.

1 stop9h 18m

Miami

Tue 24/3

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

1 stop5h 37m

C$ 456

MontrealMiami

YUL - MIA

YULMIA

Montreal Pierre Elliott Trudeau Intl

Sun 29/3

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

1 stop6h 07m

Miami

Thu 9/4

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

1 stop5h 37m

C$ 457

MontrealMiami

YUL - MIA

YULMIA

Montreal Pierre Elliott Trudeau Intl

Sun 8/3

6:00 a.m.-10:24 p.m.

1 stop16h 24m

Miami

Tue 17/3

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

1 stop6h 28m

C$ 459

MontrealMiami

YUL - MIA

YULMIA

Montreal Pierre Elliott Trudeau Intl

Thu 19/3

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

1 stop6h 07m

Miami

Wed 25/3

12:01 p.m.-5:31 p.m.

1 stop5h 30m

C$ 459

MontrealMiami

YUL - MIA

YULMIA

Montreal Pierre Elliott Trudeau Intl

Tue 5/5

7:00 a.m.-5:10 p.m.

1 stop10h 10m

Miami

Sun 10/5

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

1 stop5h 35m

C$ 459

MontrealMiami

YUL - MIA

YULMIA

Montreal Pierre Elliott Trudeau Intl

Sat 25/4

9:30 a.m.-6:52 p.m.

1 stop9h 22m

Miami

Sat 2/5

6:00 a.m.-11:36 a.m.

1 stop5h 36m

C$ 459

MontrealMiami

YUL - MIA

YULMIA

Montreal Pierre Elliott Trudeau Intl

Tue 24/3

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

1 stop6h 07m

Miami

Mon 30/3

8:00 a.m.-3:53 p.m.

1 stop7h 53m

C$ 459

MontrealMiami

YUL - MIA

YULMIA

Montreal Pierre Elliott Trudeau Intl

Mon 6/4

12:42 p.m.-10:26 p.m.

1 stop9h 44m

Miami

Thu 9/4

7:05 a.m.-5:31 p.m.

1 stop10h 26m

C$ 459

MontrealMiami

YUL - MIA

YULMIA

Montreal Pierre Elliott Trudeau Intl

Fri 10/4

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

1 stop6h 07m

Miami

Thu 16/4

9:25 a.m.-6:51 p.m.

1 stop9h 26m

C$ 459

MontrealMiami

YUL - MIA

YULMIA

Montreal Pierre Elliott Trudeau Intl

Sun 22/3

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

1 stop6h 07m

Miami

Thu 2/4

3:33 p.m.-11:44 p.m.

1 stop8h 11m

C$ 459

Flights are sorted by cheapest round-trip flights first.

Deals found on 17/2

Showing 1-10 of 40 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 20 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
8.0
Very good
419 reviews
Check prices

Crew

8.6

Food

7.6

Boarding

8.2

Overall

8.0

Comfort

8.0

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Feb 2026

YYJ - YYZ

Always great! The Flight Attendants are always polite and attentive! The Polite was great and reminded us all that it was Valentine's Day!
Porter Airlines
8.0
Very good
419 reviews
Porter Airlines
8.0
Very good
419 reviews
Check prices

Crew

8.6

Food

7.6

Boarding

8.2

Overall

8.0

Comfort

8.0

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Feb 2026

YYJ - YYZ

Always great! The Flight Attendants are always polite and attentive! The Polite was great and reminded us all that it was Valentine's Day!
United Airlines
7.4
Good
9,325 reviews
Porter Airlines
8.0
Very good
419 reviews
Check prices

Crew

8.6

Food

7.6

Boarding

8.2

Overall

8.0

Comfort

8.0

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Feb 2026

YYJ - YYZ

Always great! The Flight Attendants are always polite and attentive! The Polite was great and reminded us all that it was Valentine's Day!
American Airlines
7.2
Good
11,321 reviews
Porter Airlines
8.0
Very good
419 reviews
Check prices

Crew

8.6

Food

7.6

Boarding

8.2

Overall

8.0

Comfort

8.0

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Feb 2026

YYJ - YYZ

Always great! The Flight Attendants are always polite and attentive! The Polite was great and reminded us all that it was Valentine's Day!
WestJet
7.2
Good
3,270 reviews
Porter Airlines
8.0
Very good
419 reviews
Check prices

Crew

8.6

Food

7.6

Boarding

8.2

Overall

8.0

Comfort

8.0

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Feb 2026

YYJ - YYZ

Always great! The Flight Attendants are always polite and attentive! The Polite was great and reminded us all that it was Valentine's Day!
Air Canada
7.1
Good
10,732 reviews
Porter Airlines
8.0
Very good
419 reviews
Check prices

Crew

8.6

Food

7.6

Boarding

8.2

Overall

8.0

Comfort

8.0

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Feb 2026

YYJ - YYZ

Always great! The Flight Attendants are always polite and attentive! The Polite was great and reminded us all that it was Valentine's Day!

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 5h 52m. Delta provides one of the quickest options available for as low as C$ 702. There are 2432 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 Porter Airlines. According to our data, you can fly for as low as C$ 152. Users have also found prices from C$ 195 and C$ 216 on Air Transat 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?

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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