Cheapflights Tip: The best prices from Montreal to Key Largo are usually found in June or September, booked 49 days in advance, depart on a Sunday or Wednesday and return on a Thursday
Find 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 25 September 2026.
Popular in
December
Cheapest in
June
Average price
C$ 544
Highest demand for flights based on searches. 5% potential increase in price (C$ 48 potential increase over avg. RT price).
Everything you need to know about your flight from Montreal to Key Largo
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 25 September 2026.
One of the essential ways to save on airfare from Montreal to Key Largo is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 27% on airfare.
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 19 September 2026.
Travelers seeking maximum savings on their Montreal to Key Largo flight should consider departing on Monday evenings when fares are most often at their lowest. Tuesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
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 25 September 2026.
Check out reviews from past customers who have flown with Porter Airlines,Delta, andWestJet 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.
The flight including check-in, checked baggage, boarding, flight and timing were great. My checked bag was delayed two days which was concerning. They did deliver it to my door though which was great.
The flight including check-in, checked baggage, boarding, flight and timing were great. My checked bag was delayed two days which was concerning. They did deliver it to my door though which was great.
The flight including check-in, checked baggage, boarding, flight and timing were great. My checked bag was delayed two days which was concerning. They did deliver it to my door though which was great.
The flight including check-in, checked baggage, boarding, flight and timing were great. My checked bag was delayed two days which was concerning. They did deliver it to my door though which was great.
The flight including check-in, checked baggage, boarding, flight and timing were great. My checked bag was delayed two days which was concerning. They did deliver it to my door though which was great.
The flight including check-in, checked baggage, boarding, flight and timing were great. My checked bag was delayed two days which was concerning. They did deliver it to my door though which was great.
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.
What are the cheapest airlines to fly from Montreal to Key Largo one-way?
For one-way options, check prices for Porter Airlines. According to our data, you can fly for as low as C$ 184. Users have also found prices from C$ 261 and C$ 270 on Air Canada and American Airlines, respectively.
What are the most reliable airlines from Montreal to Key Largo?
Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Montreal to Key Largo on time: Qatar Airways (90%), American Airlines (89%), Porter Airlines (89%).
What are the cheapest flights from Montreal to Key Largo?
While on average a flight from Montreal to Key Largo is generally C$ 995, our data shows the cheapest flight currently is C$ 257. When looking at the most popular route, (Montreal Pierre Elliott Trudeau Intl - Miami), you can expect to pay C$ 402 for that flight.
Can I find deals for business class flights from Montreal to Key Largo?
Yes. Cheapflights offers flight deals from Montreal to Key Largo by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
Browse through other flights departing from Montreal. Flights are based on user searches made on Cheapflights and were last updated on 25 September 2026.
Discover the top 7 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 7,457,451 searches. Data last updated 25 September 2026.
Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Montreal to Key Largo?
Cheapflights makes it easy to find Montreal to Key Largo 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 Key Largo?
Millions of users choose and trust Cheapflights to book the best flight deals from Montreal to Key Largo for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.
Can Cheapflights find flights from Montreal to Key Largo with no change fees?
Yes! Cheapflights helps users easily find flights from Montreal to Key Largo with no change fees.
Can Cheapflights notify me if prices for flights from Montreal to Key Largo become cheaper?
Yes! Start tracking prices for Montreal to Key Largo flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.
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