Cheap flights from Montreal to Key Largo from C$ 219
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 1/10. Fares are subject to change and may not be available on all flights or dates of travel.
Cheapflights Tip: The best prices from Montreal to Key Largo are usually found in September or April, booked 40 days in advance, depart on a Wednesday or Tuesday and return on a Monday
Cheap flight deals from Montreal to Key Largo
Keep the following information in mind while searching for Montreal to Key Largo flight deals. Data was last updated 3 July 2025.
Round-trip from | C$ 339 |
---|---|
One-way from | C$ 219 |
Popular in | December |
Cheapest in | September |
Average price | C$ 496 |
Find flight deals from Montreal to Key Largo
Cheapest flights from Montreal to Key LargoExplore the most affordable flight options available from Montreal to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 July 2025.
Explore the most affordable flight options available from Montreal to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 July 2025.
Cheapflights Fare Finder
Customize your flight search to find flights from Montreal to Key Largo 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 3 July 2025.
Use the filters below to find and compare flights from Montreal to Key Largo that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
MontrealMiami
YUL - MIA
YULMIA
Montreal Pierre Elliott Trudeau Intl
Thu 7/8
7:35 p.m.-11:16 p.m.
Nonstop3h 41m
Miami
Wed 27/8
7:55 a.m.-11:31 a.m.
Nonstop3h 36m
MontrealMiami
YUL - MIA
YULMIA
Montreal Pierre Elliott Trudeau Intl
Fri 31/10
6:45 a.m.-1:05 p.m.
1 stop6h 20m
Miami
Mon 10/11
2:05 p.m.-9:43 p.m.
1 stop7h 38m
MontrealMiami
YUL - MIA
YULMIA
Montreal Pierre Elliott Trudeau Intl
Wed 3/9
12:59 p.m.-6:37 p.m.
1 stop5h 38m
Miami
Sun 7/9
8:50 p.m.-9:58 a.m.
1 stop13h 08m
MontrealMiami
YUL - MIA
YULMIA
Montreal Pierre Elliott Trudeau Intl
Thu 16/10
6:00 a.m.-2:17 p.m.
1 stop8h 17m
Miami
Tue 21/10
6:05 a.m.-1:09 p.m.
1 stop7h 04m
MontrealMiami
YUL - MIA
YULMIA
Montreal Pierre Elliott Trudeau Intl
Mon 25/8
7:35 p.m.-11:16 p.m.
Nonstop3h 41m
Miami
Wed 3/9
7:00 a.m.-10:15 p.m.
2 stops15h 15m
MontrealMiami
YUL - MIA
YULMIA
Montreal Pierre Elliott Trudeau Intl
Thu 7/8
7:00 a.m.-4:53 p.m.
1 stop9h 53m
Miami
Thu 14/8
2:45 p.m.-11:53 p.m.
1 stop9h 08m
MontrealMiami
YUL - MIA
YULMIA
Montreal Pierre Elliott Trudeau Intl
Wed 1/10
3:10 p.m.-2:10 a.m.
2 stops11h 00m
MontrealMiami
YUL - MIA
YULMIA
Montreal Pierre Elliott Trudeau Intl
Mon 22/9
9:30 a.m.-1:20 p.m.
Nonstop3h 50m
MontrealMiami
YUL - MIA
YULMIA
Montreal Pierre Elliott Trudeau Intl
Mon 17/11
6:45 a.m.-1:05 p.m.
1 stop6h 20m
MontrealMiami
YUL - MIA
YULMIA
Montreal Pierre Elliott Trudeau Intl
Wed 1/10
7:25 a.m.-1:57 p.m.
1 stop6h 32m
Best time to book a flight from Montreal to Key Largo
Have a flexible travel schedule? Discover the best time to fly to Key Largo from Montreal with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Montreal to Key Largo
How far ahead should I book a flight from Montreal to Key Largo?
Use this chart to determine the optimal time to book a round-trip flight from Montreal to Key Largo. Price data was last updated on 27 June 2025.
Booking 40 days in advance of your planned departure date is, on average, the best time to get cheap flights from Montreal to Key Largo. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Montreal to Key Largo?
Currently, April is the cheapest month in which you can book a flight from Montreal to Key Largo (average of C$ 251). Flying from Montreal to Key Largo in August is currently the most expensive (average of C$ 369). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from YMQ to KE9?
Find hourly flight availability from Montreal to Key Largo. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 3 July 2025.
When flying from Montreal to Key Largo, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
What is the cheapest day to fly from Montreal to Key Largo?
Use this chart to determine the cheapest time to fly round-trip from Montreal to Key Largo. Price data was last updated on 16 December 2024.
Travelers seeking maximum savings on their Montreal to Key Largo flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from Montreal to Key Largo
Explore weekly flight availability from Montreal to Key Largo. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 3 July 2025.
The most flights from YMQ to KE9 are scheduled on a Wednesday (6 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (4 on average).
How much does it cost to fly round-trip from Montreal to Key Largo?
Reviews of airlines servicing Key Largo
Get insights into the airlines that provide service to Key Largo. 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 Key Largo. Reviews last updated 3 July 2025.
Check out reviews from past customers who have flown with Porter Airlines,Delta, andUnited Airlines from Montreal to Key Largo to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
Boarding
Overall
Entertainment
Crew
Food
Reviews
Mary,Jun 2025
FLL - YYZ
Comfort
Boarding
Overall
Entertainment
Crew
Food
Reviews
Mary,Jun 2025
FLL - YYZ
Comfort
Boarding
Overall
Entertainment
Crew
Food
Reviews
Mary,Jun 2025
FLL - YYZ
Comfort
Boarding
Overall
Entertainment
Crew
Food
Reviews
Mary,Jun 2025
FLL - YYZ
Comfort
Boarding
Overall
Entertainment
Crew
Food
Reviews
Mary,Jun 2025
FLL - YYZ
Comfort
Boarding
Overall
Entertainment
Crew
Food
Reviews
Mary,Jun 2025
FLL - YYZ
Related info for your journey
Find useful and relevant information for your journey from Montreal to Key Largo. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Montreal to Key Largo
See prices for flight routes from nearby airports that may be better suited for you.
Top 8 airlines flying from Montreal to Key Largo
Discover the top 8 airlines that operate flights from Montreal to Key Largo. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 3 July 2025.
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How does Cheapflights help users find flights from Montreal to Key Largo?
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Why should you use Cheapflights to find cheap flight tickets from Montreal to Key Largo?
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