Cheap flights from Longueuil to Key Biscayne

Round-trip
Economy
Montreal (YMQ)
Miami (MIA)
Depart
Return
Any month
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The best prices from Longueuil to Key Biscayne are usually found in September or November, booked 37 days in advance, depart on a Tuesday or Sunday and return on a Monday

How to find the cheapest flight from
Longueuil (YMQ) to Key Biscayne (MIA)

YMQ - MIA
Price
C$ 424 - C$ 642
MIA
Temperature
26 - 33 °C
MIA
Rainfall
44 - 265 mm

Popular in

December

High demand for flights, 26% potential price rise

Cheapest in

September

Best time to find cheap flights, 10% potential price drop

Round-trip from

C$ 424

From Longueuil to Key Biscayne

One-way from

C$ 269

One-way flight from Longueuil to Key Biscayne

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from Longueuil to Key Biscayne?

Thursday flights are found to be more expensive to fly from Longueuil to Key Biscayne. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Key Biscayne.

How far in advance should I book a flight from Longueuil to Key Biscayne?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 30 days in advance, which can save you up to 1% on flights from Longueuil to Key Biscayne compared to booking the week you need them. Waiting 30 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at C$ 399. For sooner than that we have options available in the next 3 days from C$ 404.

When is the cheapest time to fly from Longueuil to Key Biscayne (YMQ - MIA)?

A simple way to save on the total cost of your ticket is to fly from Longueuil to Key Biscayne in the morning. If you’re flexible enough to do this you can expect to save up to 9% on your trip compared to booking a flight in the afternoon.

Cheap flights from Longueuil to Key Biscayne in March, April 2021

22 Mar - 9 Apr
C$ 431pp
YUL
Montreal Pierre Elliott Trudeau Intl
American Airlines
   
2 STOPS
MIA
Miami
MIA
Miami
American Airlines
 
1 STOP
YUL
Montreal Pierre Elliott Trudeau Intl
30 Mar - 7 Apr
C$ 438pp
YUL
Montreal Pierre Elliott Trudeau Intl
Multiple Airlines
   
2 STOPS
MIA
Miami
MIA
Miami
Multiple Airlines
   
2 STOPS
YUL
Montreal Pierre Elliott Trudeau Intl
1 Apr - 8 Apr
C$ 440pp
YUL
Montreal Pierre Elliott Trudeau Intl
Multiple Airlines
   
2 STOPS
MIA
Miami
MIA
Miami
Multiple Airlines
   
2 STOPS
YUL
Montreal Pierre Elliott Trudeau Intl

Longueuil to Key Biscayne 2021 flight deals

1 Jul - 10 Jul
C$ 399pp
YUL
Montreal Pierre Elliott Trudeau Intl
American Airlines
Direct
MIA
Miami
MIA
Miami
American Airlines
Direct
YUL
Montreal Pierre Elliott Trudeau Intl
16 Sep - 20 Sep
C$ 400pp
YUL
Montreal Pierre Elliott Trudeau Intl
American Airlines
Direct
MIA
Miami
MIA
Miami
American Airlines
Direct
YUL
Montreal Pierre Elliott Trudeau Intl
15 Jul - 22 Jul
C$ 405pp
YUL
Montreal Pierre Elliott Trudeau Intl
American Airlines
Direct
MIA
Miami
MIA
Miami
American Airlines
Direct
YUL
Montreal Pierre Elliott Trudeau Intl

Direct flights to Key Biscayne from Longueuil

1 Jul - 10 Jul
C$ 399pp
YUL
Montreal Pierre Elliott Trudeau Intl
American Airlines
Direct
MIA
Miami
MIA
Miami
American Airlines
Direct
YUL
Montreal Pierre Elliott Trudeau Intl
15 Jul - 22 Jul
C$ 405pp
YUL
Montreal Pierre Elliott Trudeau Intl
American Airlines
Direct
MIA
Miami
MIA
Miami
American Airlines
Direct
YUL
Montreal Pierre Elliott Trudeau Intl
4 May - 10 May
C$ 538pp
YUL
Montreal Pierre Elliott Trudeau Intl
Air Canada
Direct
MIA
Miami
MIA
Miami
Air Canada
Direct
YUL
Montreal Pierre Elliott Trudeau Intl

Last minute flights from Longueuil to Key Biscayne

13 Mar - 23 Mar
C$ 517pp
YUL
Montreal Pierre Elliott Trudeau Intl
American Airlines
   
2 STOPS
MIA
Miami
MIA
Miami
American Airlines
   
2 STOPS
YUL
Montreal Pierre Elliott Trudeau Intl
12 Mar - 17 Mar
C$ 529pp
YUL
Montreal Pierre Elliott Trudeau Intl
American Airlines
   
2 STOPS
MIA
Miami
MIA
Miami
American Airlines
   
2 STOPS
YUL
Montreal Pierre Elliott Trudeau Intl
13 Mar - 23 Mar
C$ 570pp
YUL
Montreal Pierre Elliott Trudeau Intl
American Airlines
   
2 STOPS
MIA
Miami
MIA
Miami
American Airlines
 
1 STOP
YUL
Montreal Pierre Elliott Trudeau Intl

One-way flights to Key Biscayne from Longueuil

12:10 p.m. - 3:51 p.m.
Multiple Airlines
2 stops
27h 41m
YUL - MIA
Multiple Airlines
C$ 270
Gotogate
3:30 a.m. - 9:06 a.m.
Aeromexico
1 stop
5h 36m
YUL - MIA
Aeromexico
C$ 323
Gate1.ca
12:26 p.m. - 3:35 a.m.
American Airlines
2 stops
14h 09m
YUL - MIA
American Airlines
C$ 329

Related info for your journey

Flight FAQs

From Longueuil to Key Biscayne

Can I find flights from Longueuil to Key Biscayne for under C$ 505 on Cheapflights?

Yes, there are multiple flights from Longueuil to Key Biscayne for under C$ 505. The cheapest flight booked recently is on Multiple Airlines for just C$ 388, but on average you can expect to pay C$ 414.

What safety measures are being taken by airlines flying from Montreal to Miami to control the spread of COVID-19?

New policies can now be found on Delta to help keep travellers safe while flying. Airline carriers are regularly disinfecting and sanitizing their aircraft. Masks are provided and are mandatory while on board. Pre-flight testing for symptoms and antibodies, alongside socially-distanced seating (for a limited time) will work towards keeping travellers safer while flying from Montreal to Miami. Policies will vary by airline.

Which airlines flying from Montreal to Miami have flexible cancellations due to COVID-19?

American Airlines, Air Canada, and Sunwing Airlines are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

Are there direct flights from Longueuil to Key Biscayne for under C$ 505 on Cheapflights?

Cheapflights has 3 direct flights from Longueuil to Key Biscayne under C$ 505. A good price for a direct flight from Longueuil to Key Biscayne is less than C$ 447.

Are there last-minute flights available from Longueuil to Key Biscayne for under C$ 632?

There are currently 11+ open flights from Longueuil to Key Biscayne within the next 7 days for less than C$ 632.

Is Montreal weather warmer or cooler than Miami?

Expect the weather to be around 33 °C on average in July. As the temperature peaks, try to get your plans done early, as flight price and availability will have an impact on your travels. The climate in Miami is generally hotter than in Montreal.

How long is the flight from Longueuil to Key Biscayne?

For as low as C$ 400, American Airlines can have you in Key Biscayne from Longueuil in 3h 36m. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

What are the cheapest airlines to flying from Longueuil to Key Biscayne round-trip?

Currently priced at C$ 400, American Airlines will fly you from Longueuil to Key Biscayne and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Delta for as low as C$ 422. American Airlines is 15% cheaper than the average price of flights available within the next 90 days to this destination.

What are the cheapest airlines to fly from Longueuil to Key Biscayne one-way?

For one-way options, check prices for American Airlines. According to our data, you can fly for as low as C$ 246. Users have also found prices from C$ 263 and C$ 272 on American Airlines and Delta, respectively.

Alternative routes for Longueuil to Key Biscayne

Destination information for Key Biscayne

Today's exchange rate
C$ 1 = $0.80
Flight duration
3h 33m
Average temperature for March in Key Biscayne
28.0 °C
Avg rainfall for March in Key Biscayne
67.0 mm

Airports servicing Montreal

Saint-Hubert Airport (YHU)

Airports servicing Miami

Top 9 airlines flying from Longueuil to Key Biscayne

Airline Cheapest Average Flexibility On-time COVID-19 safety
Sunwing Airlines
C$ 190 C$ 283 No cancel fee N/A

We couldn't confirm the COVID-19 safety measures taken by Sunwing Airlines. Please check directly on their website for additional information.

Search Sunwing Airlines flights
WestJet
C$ 146 C$ 369 No cancel fee 60%
Search WestJet flights
Delta
C$ 194 C$ 379 No cancel fee N/A
Search Delta flights
Air Transat
C$ 195 C$ 396 No cancel fee 50%
Search Air Transat flights
American Airlines
C$ 235 C$ 417 No cancel fee 71%
Search American Airlines flights
Air Canada
C$ 207 C$ 439 No cancel fee 67%
Search Air Canada flights
Interjet
C$ 245 C$ 443 No cancel fee 68%
Search Interjet flights
Avianca
C$ 314 C$ 449 No cancel fee 71%
Search Avianca flights
United Airlines
C$ 216 C$ 497 No cancel fee 69%
Search United Airlines flights
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