Cheap Flights from Montreal to San Juan Luis Munoz Marin

Compare Montreal to San Juan Luis Munoz Marin flight deals

Find the cheapest month or even day of the year to fly to San Juan Luis Munoz Marin

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Flight deals from Montreal to San Juan Luis Munoz Marin

Looking for a cheap last-minute deal or the best return flight from Montreal to San Juan Luis Munoz Marin Airport? If you want to travel next month, return fares start from R 7,366. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Montreal to San Juan Luis Munoz Marin

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Montreal to San Juan Luis Munoz Marin flights are currently cheapest in September.

Direct flights from Montreal to San Juan Luis Munoz Marin

Montreal to San Juan: Flight information

The things to know before you go.
Cheapest flight foundR 2,236
Cheapest month to flySeptember
Average flight time4 hrs, 33 mins
Most popular airlineAir Canada Rouge
Average flights per week3

Finding cheap flights from Montreal to San Juan Luis Munoz Marin: Frequently asked questions

The best price we found for a return flight from Montreal to San Juan Luis Munoz Marin is R 3,701. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
4 hours and 33 minutes is the average flight time from Montreal to San Juan Luis Munoz Marin.
Air Canada Rouge, Air Canada and Air Transat fly direct from Montreal to San Juan Luis Munoz Marin.
As of July 2026, there are 6 flights per week flying from Montreal to San Juan Luis Munoz Marin.
The cheapest month to fly from Montreal to San Juan Luis Munoz Marin is usually September.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Montreal to San Juan Luis Munoz Marin Airport on Wednesday, 23 September 2026.
Yes – the average flight time is 4 hours and 33 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to San Juan Luis Munoz Marin but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to San Juan is around 40 days in advance, so don’t leave your flight to the last minute.

Flying from Montreal to Luis Munoz Marin International Airport (SJU): What you need to know

  • Montreal's main base, Montreal-Trudeau International Airport (YUL), is where countless incredible trips begin. Explore the departure options from here when searching for a flight from Montreal to Luis Munoz Marin International Airport (SJU).

  • Around 4 hours 35 minutes is the usual time it takes for a direct Montreal to Luis Munoz Marin International Airport flight.

  • The timezone in San Juan is UTC-4, which is one hour ahead of Montreal. Luis Munoz Marin International Airport is located in San Juan.

  • Your flight from Montreal to SJU won't wait if you're running late, so be at the airport on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're flying internationally.

  • During popular months such as July, you'll want to get to the airport earlier. Plan to arrive two hours before domestic departures and four hours ahead of an international flight when you fly during peak periods in general.

Airports in Montreal

Montreal-Trudeau International Airport (YUL)

  • Take the express route from Montreal-Trudeau International Airport (YUL). Nonstop flights from Montreal to Luis Munoz Marin International Airport (SJU) operate from here.

  • Air Canada is a popular airline that operates direct flights from Montreal to Luis Munoz Marin International Airport leaving from YUL.

  • The majority of passengers choose to book seats with Air Canada from YUL to SJU.

  • Air Canada is the top-ranked carrier for punctuality on this route.

  • YUL is around 19 kilometres from central Montreal. If you're catching a taxi, driving or ride-sharing from the centre, it'll take 25 minutes or so to get there, depending on traffic conditions. If you're using public transport, expect the travel time to be around 45 minutes.

  • Catching an early flight from Montreal to Luis Munoz Marin International Airport? Avoid the last-minute rush to the terminal (and get some bonus sleep) by choosing one of these hotels close to Montreal-Trudeau International Airport:

  • When it comes to the on-time performance of Montreal-Trudeau International Airport, 65% of flights arrive within the expected time frame.

  • You'll find YUL at 975 Romeo Vachon Street North.

Montreal Metropolitan Airport (YHU)

About Luis Munoz Marin International Airport (SJU)

Getting from Luis Munoz Marin International Airport (SJU) to central San Juan

  • Luis Munoz Marin International Airport is around 11 kilometres from the centre of San Juan. It takes around 20 minutes or so to drive to the city.

  • It takes roughly 1 hour when travelling by public transport.

How to find the cheapest flights from Montreal to Luis Munoz Marin International Airport (SJU)

  • The lowest price we've found for a one-way ticket from Montreal to Luis Munoz Marin International Airport is R 2,236. For a return flight on this route, the best price is R 3,701. Depending on the availability when you book, these fares may change.

  • To pick up cheap flights from Montreal to SJU, book ahead. Airlines typically offer their most competitively priced fares when tickets first go on sale.

  • Cheap Montreal to Luis Munoz Marin International Airport tickets are easier to find when your dates are flexible. Use the 'Whole month' tool to compare fares across the month and then fly out on the cheapest day.

  • There's no need to check every day to find out if prices have dropped when you create a Price Alert. We'll notify you when a better deal comes up on plane tickets from Montreal to SJU.

  • Filters make it easier to find a bargain for your flight from Montreal to Luis Munoz Marin International Airport. Choose the flight times, carriers and stops that make sense for you. Then sort the results by 'Cheapest' to find the most affordable option fast.

The best time to fly from Montreal to Luis Munoz Marin International Airport (SJU)

  • It's time to decide your travel dates for your flight from Montreal to Luis Munoz Marin International Airport (SJU). December is the most popular month to visit San Juan. If you like things a bit more low-key, go in September.

  • When booking your Montreal to SJU plane ticket, consider the kind of weather you prefer. September is the warmest month in San Juan, with temperatures ranging from 23ºC (73ºF) to 33ºC (91ºF).

  • If you like cooler conditions, look for a cheap ticket from Montreal to Luis Munoz Marin International Airport in February when temperatures are between 20ºC (68ºF) and 28ºC (82ºF).

More about San Juan

  • Start your San Juan trip off on the right foot by choosing the ideal place to stay. After booking your flight from Montreal to Luis Munoz Marin International Airport, explore our range of hotels including:

  • You'll find plenty of things to do in San Juan when you're in the mood to sightsee. Head straight for Balneario El Escambrón followed by Esperanza Beach and Escambron Green.

Explore more of Puerto Rico

  • San Juan is easy to fall in love with, but there are so many other corners of Puerto Rico waiting to be discovered. Around 121 kilometres west of San Juan, a trip to Aguadilla will keep you on the move. Start with popular sights like Silla Aguadilla, Bridges Surf Beach and Playa Rompe Olas.

  • Around 105 kilometres west of San Juan, Isabela is another essential stop in Puerto Rico. Experience the best of this destination with a visit to Shore Island Beach, Guajataca Forest Reserve and Middles Beach.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.