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Cheap Flights from Montreal to San Juan

Compare Montreal to San Juan flight deals

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

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Flight deals from Montreal to San Juan

Looking for a cheap last-minute deal or the best return flight from Montreal to San Juan? If you want to travel next month, return fares start from R 5,885. Find the lowest prices on one-way and return tickets right here.
San Juan.R 2,217 per passenger.Departing Wed, 16 Sep.One-way flight with Arajet.Outbound indirect flight with Arajet, departs from Montreal Pierre Elliott Trudeau on Wed, 16 Sep, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From R 2,217, select.
San Juan.R 2,936 per passenger.Departing Sat, 15 Aug.One-way flight with United.Outbound indirect flight with United, departs from Montreal Pierre Elliott Trudeau on Sat, 15 Aug, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From R 2,936, select.
San Juan.R 2,937 per passenger.Departing Sat, 30 Jan.One-way flight with United.Outbound indirect flight with United, departs from Montreal Pierre Elliott Trudeau on Sat, 30 Jan, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From R 2,937, select.
San Juan.R 2,941 per passenger.Departing Mon, 8 Feb.One-way flight with United.Outbound indirect flight with United, departs from Montreal Pierre Elliott Trudeau on Mon, 8 Feb, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From R 2,941, select.
San Juan.R 2,956 per passenger.Departing Sun, 25 Oct.One-way flight with United.Outbound indirect flight with United, departs from Montreal Pierre Elliott Trudeau on Sun, 25 Oct, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From R 2,956, select.
San Juan.R 3,099 per passenger.Departing Sat, 6 Mar.One-way flight with Air Canada.Outbound direct flight with Air Canada departs from Montreal Pierre Elliott Trudeau on Sat, 6 Mar, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From R 3,099, select.
San Juan.R 3,100 per passenger.Departing Sat, 21 Nov.One-way flight with Air Canada.Outbound direct flight with Air Canada departs from Montreal Pierre Elliott Trudeau on Sat, 21 Nov, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From R 3,100, select.
San Juan.R 3,112 per passenger.Departing Sat, 5 Dec.One-way flight with Air Canada.Outbound direct flight with Air Canada departs from Montreal Pierre Elliott Trudeau on Sat, 5 Dec, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From R 3,112, select.
San Juan.R 3,218 per passenger.Departing Sat, 6 Feb.One-way flight with Air Canada.Outbound direct flight with Air Canada departs from Montreal Pierre Elliott Trudeau on Sat, 6 Feb, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From R 3,218, select.
San Juan.R 4,358 per passenger.Departing Sat, 30 Jan.One-way flight with Air Canada.Outbound direct flight with Air Canada departs from Montreal Pierre Elliott Trudeau on Sat, 30 Jan, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From R 4,358, select.
San Juan.R 4,410 per passenger.Departing Wed, 29 Jul.One-way flight with United.Outbound indirect flight with United, departs from Montreal Pierre Elliott Trudeau on Wed, 29 Jul, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From R 4,410, select.
San Juan.R 5,479 per passenger.Departing Thu, 1 Apr.One-way flight with United.Outbound indirect flight with United, departs from Montreal Pierre Elliott Trudeau on Thu, 1 Apr, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From R 5,479, select.

Find the cheapest month to fly from Montreal to San Juan

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Montreal to San Juan flights are currently cheapest in September.
Jul
from R 4,410
Aug
from R 2,936
Sep
from R 2,217
Oct
from R 2,956
Nov
from R 3,100
Dec
from R 3,112
Jan
from R 2,937
Feb
from R 2,941
Mar
from R 3,099
Apr
from R 5,479
May
Find prices
Jun
Find prices

Direct flights from Montreal to San Juan

Alternative Montreal to San Juan routes

Looking for the cheapest, fastest or easiest route from Montreal to San Juan? You could fly into the following airports instead.

San Juan Isla Grande

1km from central San Juan
Closest
Search flights

San Juan Luis Munoz Marin

11km from central San Juan
Cheapest
from R 2,217
Search flights

Roosevelt Roads

55km from central San Juan
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Ponce

70km from central San Juan
from R 5,500
Search flights

Vieques

82km from central San Juan
from R 8,355
Search flights

Culebra

85km from central San Juan
Search flights

Montreal to San Juan: Flight information

The things to know before you go.
Cheapest flight foundR 2,217
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: Frequently asked questions

There are 6 airports in San Juan: San Juan Isla Grande, San Juan Luis Munoz Marin, Roosevelt Roads, Ponce, Vieques, and Culebra.
The best price we found for a return flight from Montreal to San Juan is R 3,665. 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.
Air Canada Rouge, Air Canada and Air Transat fly direct from Montreal to San Juan.
As of July 2026, there are 3 flights per week flying from Montreal to San Juan.
The cheapest month to fly from Montreal to San Juan is usually August.
If you're flying from Montreal, the cheapest airport near San Juan is San Juan Luis Munoz Marin – which is 11.3 km away from the centre of San Juan. We've found flights into this airport from R 3,665.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Montreal to San Juan on Wednesday, 26 August 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 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.

In July, the average temperature is usually around 27°C. August is typically the warmest month in San Juan, when it usually averages around 29°C. You can expect the least rain in February. The coldest month is January, with temperatures averaging 23°C. The rainiest month is September.
The cheapest airline that flies to San Juan is Arajet. And the cheapest airline that flies to San Juan Luis Munoz Marin Airport is Air Canada.

Flying from Montreal to San Juan: what you need to know

  • Montreal's main base, Montreal Pierre Elliott Trudeau Airport (YUL), is where countless awesome holidays begin. Explore the options for leaving from here when booking your flight from Montreal to San Juan.

  • Disembark at San Juan's primary gateway, San Juan Luis Munoz Marin Airport (SJU).

  • Around 4 hours 40 minutes is how long you'll be travelling on a direct Montreal to San Juan flight.

  • San Juan's timezone is UTC-4, making San Juan one hour ahead of Montreal.

  • For a relaxed travel experience, turn up at the airport two hours ahead of international flights and an hour before domestic departures. This will give you plenty of time to board your Montreal to San Juan flight.

  • Flying during a peak month like July? School holidays and other high seasons can lead to longer queues and delays at check-in and security. Play it safe and get there up to four hours before an international flight and two hours before a domestic departure.

How to find the cheapest flights from Montreal to San Juan

  • To find cheap Montreal to San Juan flights, book in advance. Airlines typically offer lower fares when tickets first go on sale.

  • Finding cheap plane tickets from Montreal to San Juan is more likely if you can be flexible with your travel plans. Use the 'Whole month' search function to see the best prices across each month and snap up an incredible deal.

  • Snapping up a cheap flight from Montreal to San Juan is easy with Price Alerts. All you need to do is create one of these automatic alerts and we'll notify you when a better deal is available.

  • Find a cheap Montreal to San Juan flight with the help of our filters. Choose your preferred departure time, duration and airlines, then sort the results by 'Cheapest' for the best deals.

Flying from Montreal

Montreal Pierre Elliott Trudeau Airport (YUL)

  • If you're searching for a direct flight from Montreal to San Juan, you can depart from Montreal Pierre Elliott Trudeau Airport (YUL). Fly from YUL to San Juan Luis Munoz Marin Airport (SJU) in one seamless trip.

  • Air Canada is a well-known airline that offers direct Montreal to San Juan plane tickets from YUL.

  • The journey from central Montreal to YUL takes around 45 minutes by public transport. If you drive, ride-share or take a taxi, you'll cover the 16 kilometres in 25 minutes or so, depending on traffic conditions.

  • After a relaxed start to your holiday? Stay near Montreal Pierre Elliott Trudeau Airport. Whether you've booked an early flight from Montreal to San Juan or want to avoid feeling rushed, these hotels are the answer:

  • Of the flights that depart from Montreal Pierre Elliott Trudeau Airport, 67% arrive as scheduled at their destination.

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

Arriving in San Juan

San Juan Luis Munoz Marin Airport (SJU)

  • San Juan Luis Munoz Marin Airport (SJU) to central San Juan takes about 20 minutes to reach by car. The centre is roughly 11 kilometres away.

  • It usually takes 1 hour to get there when travelling by public transport.

  • The last thing you need is a lengthy journey to your hotel if you're arriving on a late flight from Montreal to San Juan. Stay at one of these accommodation options near SJU instead:

  • Pick up a San Juan Luis Munoz Marin Airport rental car and discover San Juan and beyond with your own wheels. Sixt, Ace Rent a Car and U-Save are popular providers to choose from here.

  • For the lowest price, book your ride from San Juan Luis Munoz Marin Airport around two weeks ahead of your Montreal to San Juan flight.

San Juan Isla Grande Airport (SIG)

Best time to go to San Juan

  • March is the quietest month for flights from Montreal to San Juan, while July is the most popular. Figure out the ideal time to visit San Juan based on whether you like a laid-back vibe or a more bustling atmosphere.

  • The warmest month in San Juan is August, with temperatures ranging between 24ºC (75ºF) and 32ºC (90ºF). Book your Montreal to San Juan ticket then if that's your idea of comfortable weather.

  • Search for cheap flights from Montreal to San Juan in February if you want to travel in cooler conditions. Temperatures are at their lowest then, ranging between 21ºC (70ºF) and 28ºC (82ºF) on average.

More about San Juan

Explore more of Puerto Rico

  • Bayamon is just one of the many cities in Puerto Rico waiting to be explored once you've seen the sights of San Juan. Around 13 kilometres to the southwest, its top attractions include Ron del Barrilito - Hacienda Santa Ana, Parque de las Ciencias by Toroverde Power by Claro and Parque Recreativo Río Bayamón.

  • If you're ready to explore another major destination in Puerto Rico, consider Carolina, about 18 kilometres southeast of San Juan. Isla Verde Beach, Carolina Public Beach and Balneario Isla Verde are key highlights.

Plan the rest of your trip from Montreal to San Juan

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