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Cheap flights from Montreal to Florida Keys from C$ 253

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 22/11. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — EYW
4 Dec — 11 Dec1
1 adult
1 adult, Economy, 0 bags

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 4 November 2025.

Round-trip from

C$ 445

One-way from

C$ 253

Popular in

December

Cheapest in

April

Average price

C$ 491
7/12-13/12
  • 7/12-13/12
  • 3 total stops
  • 27h 26m total
  • Montreal to Florida Keys
Search Deals
Porter Airlines
  • Porter Airlines
  • 22/11
  • 1 total stop
  • 6h 24m total
  • Montreal to Florida Keys
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (C$ 37 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 November 2025
Search Deals

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 4 November 2025.

Sun 7/126:45 a.m.YUL - MIA
2 stops8h 04mMultiple Airlines
Sat 13/129:03 p.m.MIA - YUL
1 stop19h 22mMultiple Airlines
Deal found 2/11C$ 445
Mon 1/126:45 a.m.YUL - MIA
1 stop6h 24mPorter Airlines
Fri 5/122:10 p.m.MIA - YUL
1 stop8h 15mPorter Airlines
Deal found 2/11C$ 448
Sat 22/116:45 a.m.YUL - MIA
1 stop6h 24mPorter Airlines
Sat 29/112:10 p.m.MIA - YUL
1 stop8h 10mPorter Airlines
Deal found 3/11C$ 449
Wed 12/117:40 a.m.YUL - MIA
Nonstop3h 59mAir Canada
Wed 19/118:00 a.m.MIA - YUL
Nonstop3h 39mAir Canada
Deal found 4/11C$ 451
Mon 8/126:45 a.m.YUL - MIA
2 stops12h 00mMultiple Airlines
Sat 13/128:53 p.m.MIA - YUL
1 stop19h 32mMultiple Airlines
Deal found 4/11C$ 452
Sun 7/128:35 a.m.YUL - MIA
Nonstop3h 59mAir Canada
Sat 13/127:15 a.m.MIA - YUL
1 stop6h 13mAir Canada
Deal found 1/11C$ 455
Mon 1/126:30 p.m.YUL - MIA
Nonstop3h 59mAir Canada
Thu 18/127:25 a.m.MIA - YUL
1 stop6h 57mAir Canada
Deal found 4/11C$ 456
Wed 26/117:40 a.m.YUL - MIA
Nonstop3h 59mAir Canada
Tue 2/128:00 a.m.MIA - YUL
Nonstop3h 39mAir Canada
Deal found 4/11C$ 459
Sun 9/116:30 p.m.YUL - MIA
Nonstop3h 59mAir Canada
Wed 12/114:20 p.m.MIA - YUL
1 stop8h 12mAir Canada
Deal found 4/11C$ 462
Mon 15/126:45 a.m.YUL - MIA
1 stop6h 24mPorter Airlines
Thu 25/122:10 p.m.MIA - YUL
1 stop8h 10mPorter Airlines
Deal found 3/11C$ 463
Sun 16/114:35 p.m.YUL - EYW
1 stop15h 40mMultiple Airlines
Wed 19/1110:47 a.m.EYW - YUL
2 stops13h 56mMultiple Airlines
Deal found 2/11C$ 693
Sun 16/117:00 a.m.YUL - EYW
1 stop7h 03mDelta
Wed 19/117:40 a.m.EYW - YUL
1 stop9h 41mDelta
Deal found 2/11C$ 943

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 November 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

Tue 2/12

12:40 p.m.-8:51 p.m.

1 stop8h 11m

Miami

Mon 15/12

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

1 stop5h 29m

C$ 493

MontrealMiami

YUL - MIA

YULMIA

Montreal Pierre Elliott Trudeau Intl

Fri 5/12

7:00 a.m.-11:59 p.m.

1 stop16h 59m

Miami

Fri 12/12

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

Nonstop3h 39m

C$ 493

MontrealMiami

YUL - MIA

YULMIA

Montreal Pierre Elliott Trudeau Intl

Fri 30/1

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

1 stop7h 07m

Miami

Sat 7/2

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

1 stop7h 28m

C$ 493

MontrealMiami

YUL - MIA

YULMIA

Montreal Pierre Elliott Trudeau Intl

Fri 5/12

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

1 stop6h 16m

Miami

Mon 15/12

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

1 stop5h 29m

C$ 493

MontrealMiami

YUL - MIA

YULMIA

Montreal Pierre Elliott Trudeau Intl

Sat 2/5

6:00 a.m.-11:47 a.m.

1 stop5h 47m

Miami

Sat 9/5

6:30 a.m.-1:10 p.m.

1 stop6h 40m

C$ 493

MontrealMiami

YUL - MIA

YULMIA

Montreal Pierre Elliott Trudeau Intl

Thu 4/12

12:50 p.m.-9:50 p.m.

1 stop9h 00m

Miami

Sat 13/12

4:55 p.m.-11:59 p.m.

1 stop7h 04m

C$ 493

MontrealMiami

YUL - MIA

YULMIA

Montreal Pierre Elliott Trudeau Intl

Fri 30/1

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

1 stop9h 05m

Miami

Sat 7/2

5:00 p.m.-11:50 p.m.

1 stop6h 50m

C$ 493

MontrealMiami

YUL - MIA

YULMIA

Montreal Pierre Elliott Trudeau Intl

Sat 24/1

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

1 stop9h 20m

Miami

Mon 26/1

7:15 a.m.-4:57 p.m.

1 stop9h 42m

C$ 493

MontrealMiami

YUL - MIA

YULMIA

Montreal Pierre Elliott Trudeau Intl

Fri 5/12

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

1 stop6h 16m

Miami

Thu 11/12

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

1 stop5h 29m

C$ 493

MontrealMiami

YUL - MIA

YULMIA

Montreal Pierre Elliott Trudeau Intl

Thu 4/12

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

1 stop6h 16m

Miami

Thu 11/12

7:00 a.m.-5:25 p.m.

1 stop10h 25m

C$ 493

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/11

Showing 1-10 of 28 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 November 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
387 reviews
Check prices

Food

7.6

Boarding

8.2

Crew

8.6

Comfort

8.0

Overall

8.0

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Kelly,Nov 2025

YVR - YUL

I recently flew with Porter Airlines on Flight PD372 on October 30th, and unfortunately, had a very disappointing experience. At the gate, one of their attendants gave me two boarding passes. I assumed these were for my itinerary from Vancouver to Montreal and back, but one of the boarding passes unexpectedly included a connecting flight to Toronto, which was never part of my booking or invoice. As a result of this error, my checked baggage was mistakenly routed to Toronto. When I contacted Porter’s customer service, I spoke to an agent who apologized on behalf of the attendant (employee number 13209961) and promised to have my luggage flown back to Montreal. However, shortly after, I was told there was nothing they could do except for me to travel to Toronto myself to pick up my bag. This is highly unreasonable and unfair, considering the issue was caused by their staff printing the wrong boarding pass. This entire situation caused me significant inconvenience and stress. I expected Porter to correct the mistake and deliver my luggage as originally planned, but instead, I was left with the burden of fixing an error that was not mine. I even have a photo of the staff badge of the employee who made the promise, yet the company still failed to honor it. I hope Porter Airlines reviews their internal communication and baggage handling procedures to prevent this from happening to other passengers. Customer care and responsibility fell short in this experience, and I am still waiting for a satisfactory resolution.
Porter Airlines
8.0
Very good
387 reviews
Porter Airlines
8.0
Very good
387 reviews
Check prices

Food

7.6

Boarding

8.2

Crew

8.6

Comfort

8.0

Overall

8.0

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Kelly,Nov 2025

YVR - YUL

I recently flew with Porter Airlines on Flight PD372 on October 30th, and unfortunately, had a very disappointing experience. At the gate, one of their attendants gave me two boarding passes. I assumed these were for my itinerary from Vancouver to Montreal and back, but one of the boarding passes unexpectedly included a connecting flight to Toronto, which was never part of my booking or invoice. As a result of this error, my checked baggage was mistakenly routed to Toronto. When I contacted Porter’s customer service, I spoke to an agent who apologized on behalf of the attendant (employee number 13209961) and promised to have my luggage flown back to Montreal. However, shortly after, I was told there was nothing they could do except for me to travel to Toronto myself to pick up my bag. This is highly unreasonable and unfair, considering the issue was caused by their staff printing the wrong boarding pass. This entire situation caused me significant inconvenience and stress. I expected Porter to correct the mistake and deliver my luggage as originally planned, but instead, I was left with the burden of fixing an error that was not mine. I even have a photo of the staff badge of the employee who made the promise, yet the company still failed to honor it. I hope Porter Airlines reviews their internal communication and baggage handling procedures to prevent this from happening to other passengers. Customer care and responsibility fell short in this experience, and I am still waiting for a satisfactory resolution.
United Airlines
7.4
Good
8,998 reviews
Porter Airlines
8.0
Very good
387 reviews
Check prices

Food

7.6

Boarding

8.2

Crew

8.6

Comfort

8.0

Overall

8.0

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Kelly,Nov 2025

YVR - YUL

I recently flew with Porter Airlines on Flight PD372 on October 30th, and unfortunately, had a very disappointing experience. At the gate, one of their attendants gave me two boarding passes. I assumed these were for my itinerary from Vancouver to Montreal and back, but one of the boarding passes unexpectedly included a connecting flight to Toronto, which was never part of my booking or invoice. As a result of this error, my checked baggage was mistakenly routed to Toronto. When I contacted Porter’s customer service, I spoke to an agent who apologized on behalf of the attendant (employee number 13209961) and promised to have my luggage flown back to Montreal. However, shortly after, I was told there was nothing they could do except for me to travel to Toronto myself to pick up my bag. This is highly unreasonable and unfair, considering the issue was caused by their staff printing the wrong boarding pass. This entire situation caused me significant inconvenience and stress. I expected Porter to correct the mistake and deliver my luggage as originally planned, but instead, I was left with the burden of fixing an error that was not mine. I even have a photo of the staff badge of the employee who made the promise, yet the company still failed to honor it. I hope Porter Airlines reviews their internal communication and baggage handling procedures to prevent this from happening to other passengers. Customer care and responsibility fell short in this experience, and I am still waiting for a satisfactory resolution.
American Airlines
7.2
Good
11,038 reviews
Porter Airlines
8.0
Very good
387 reviews
Check prices

Food

7.6

Boarding

8.2

Crew

8.6

Comfort

8.0

Overall

8.0

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Kelly,Nov 2025

YVR - YUL

I recently flew with Porter Airlines on Flight PD372 on October 30th, and unfortunately, had a very disappointing experience. At the gate, one of their attendants gave me two boarding passes. I assumed these were for my itinerary from Vancouver to Montreal and back, but one of the boarding passes unexpectedly included a connecting flight to Toronto, which was never part of my booking or invoice. As a result of this error, my checked baggage was mistakenly routed to Toronto. When I contacted Porter’s customer service, I spoke to an agent who apologized on behalf of the attendant (employee number 13209961) and promised to have my luggage flown back to Montreal. However, shortly after, I was told there was nothing they could do except for me to travel to Toronto myself to pick up my bag. This is highly unreasonable and unfair, considering the issue was caused by their staff printing the wrong boarding pass. This entire situation caused me significant inconvenience and stress. I expected Porter to correct the mistake and deliver my luggage as originally planned, but instead, I was left with the burden of fixing an error that was not mine. I even have a photo of the staff badge of the employee who made the promise, yet the company still failed to honor it. I hope Porter Airlines reviews their internal communication and baggage handling procedures to prevent this from happening to other passengers. Customer care and responsibility fell short in this experience, and I am still waiting for a satisfactory resolution.
WestJet
7.2
Good
3,153 reviews
Porter Airlines
8.0
Very good
387 reviews
Check prices

Food

7.6

Boarding

8.2

Crew

8.6

Comfort

8.0

Overall

8.0

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Kelly,Nov 2025

YVR - YUL

I recently flew with Porter Airlines on Flight PD372 on October 30th, and unfortunately, had a very disappointing experience. At the gate, one of their attendants gave me two boarding passes. I assumed these were for my itinerary from Vancouver to Montreal and back, but one of the boarding passes unexpectedly included a connecting flight to Toronto, which was never part of my booking or invoice. As a result of this error, my checked baggage was mistakenly routed to Toronto. When I contacted Porter’s customer service, I spoke to an agent who apologized on behalf of the attendant (employee number 13209961) and promised to have my luggage flown back to Montreal. However, shortly after, I was told there was nothing they could do except for me to travel to Toronto myself to pick up my bag. This is highly unreasonable and unfair, considering the issue was caused by their staff printing the wrong boarding pass. This entire situation caused me significant inconvenience and stress. I expected Porter to correct the mistake and deliver my luggage as originally planned, but instead, I was left with the burden of fixing an error that was not mine. I even have a photo of the staff badge of the employee who made the promise, yet the company still failed to honor it. I hope Porter Airlines reviews their internal communication and baggage handling procedures to prevent this from happening to other passengers. Customer care and responsibility fell short in this experience, and I am still waiting for a satisfactory resolution.
Air Canada
7.1
Good
10,400 reviews
Porter Airlines
8.0
Very good
387 reviews
Check prices

Food

7.6

Boarding

8.2

Crew

8.6

Comfort

8.0

Overall

8.0

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Kelly,Nov 2025

YVR - YUL

I recently flew with Porter Airlines on Flight PD372 on October 30th, and unfortunately, had a very disappointing experience. At the gate, one of their attendants gave me two boarding passes. I assumed these were for my itinerary from Vancouver to Montreal and back, but one of the boarding passes unexpectedly included a connecting flight to Toronto, which was never part of my booking or invoice. As a result of this error, my checked baggage was mistakenly routed to Toronto. When I contacted Porter’s customer service, I spoke to an agent who apologized on behalf of the attendant (employee number 13209961) and promised to have my luggage flown back to Montreal. However, shortly after, I was told there was nothing they could do except for me to travel to Toronto myself to pick up my bag. This is highly unreasonable and unfair, considering the issue was caused by their staff printing the wrong boarding pass. This entire situation caused me significant inconvenience and stress. I expected Porter to correct the mistake and deliver my luggage as originally planned, but instead, I was left with the burden of fixing an error that was not mine. I even have a photo of the staff badge of the employee who made the promise, yet the company still failed to honor it. I hope Porter Airlines reviews their internal communication and baggage handling procedures to prevent this from happening to other passengers. Customer care and responsibility fell short in this experience, and I am still waiting for a satisfactory resolution.

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 7h 07m. Delta provides one of the quickest options available for as low as C$ 493. There are 2261 km between Montreal and Florida Keys. Both multi-stop and direct flights can be found to your destination and back.

  • 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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Alternative routes for Montreal to Florida Keys

See prices for flight routes from nearby airports that may be better suited for you.
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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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