Cheap Flights from Montreal (YMQA) to San Juan (SJUA)

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Flight deals from Montreal to San Juan

Looking for a cheap last-minute deal or the best round-trip flight from Montreal to San Juan? Find the lowest prices on one-way and round-trip tickets right here.

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.

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.

Montreal to San Juan: Flight information

The things to know before you go.
Cheapest flight found$172
Cheapest month to flySeptember
Average flight time4 hrs, 30 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 round-trip flight from Montreal to San Juan is $273. 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 30 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.
There are 12 flights per week flying from Montreal to San Juan, as of June 2025.
The cheapest month to fly from Montreal to San Juan is usually June 2025.
If you're flying from Montreal, the cheapest airport near San Juan is San Juan Luis Munoz Marin – which is 7.0 miles away from the center of San Juan. We've found flights to this airport from $273.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Montreal to San Juan on Sunday, October 26, 2025.
Yes – the average flight time is 4 hours and 30 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 June, the average temperature is usually around 81°F. August is typically the warmest month in San Juan, when it usually averages around 85°F. You can expect the least rain in February. The coldest month is January, with temperatures averaging 74°F. The rainiest month is September.
The cheapest airline that flies to San Juan is United, 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-Pierre Elliott Trudeau International Airport (YUL) is Montreal's main airport. Check out your options for booking a flight from Montreal to San Juan leaving from here.

  • Disembark at San Juan's major arrival point, Luis Munoz Marin International Airport (SJU).

  • Jump on a direct Montreal to San Juan flight and you'll be traveling for an average of 4 hours 30 minutes.

  • Montreal and San Juan share the same timezone, UTC-4.

  • To ensure you board your Montreal to San Juan flight, leave enough time for things like check-in and baggage drop. Turning up two hours ahead of international departures and an hour before domestic flights is the general travel rule.

  • During popular months like August, it's best to get to the airport earlier than normal. Arrive two hours before a domestic departure and four hours ahead of international flights when you fly during a peak period in general.

How to find the cheapest flights from Montreal to San Juan

  • Currently, $172 is the lowest price we've found for a one-way ticket from Montreal to San Juan. The cheapest price for a return flight is $273. Keep in mind fares may change due to demand at the time of booking.

  • To secure cheap Montreal to San Juan flights, book your trip two months before your planned departure.

  • Organize your trip for May. That's the best month for landing cheap plane tickets from Montreal to San Juan. If your travel dates are not set in stone, use the 'Whole month' tool to find the lowest price across every month.

  • Save time looking for cheap flights from Montreal to San Juan by setting up a Price Alert. We'll send you an email or notification through the app when fares go down.

  • Tailor your travel plans using filters. Pick your arrival and departure times, airlines and total journey duration. You can also sort the results by 'Fastest,' 'Best' or 'Cheapest' Montreal to San Juan flights.

Flying from Montreal

Montreal-Pierre Elliott Trudeau International Airport (YUL)

  • You can catch a direct flight from Montreal to San Juan departing from Montreal-Pierre Elliott Trudeau International Airport (YUL). Start your trip at YUL and arrive at Luis Munoz Marin International Airport (SJU).

  • Look out for deals with Air Canada. This airline offers direct Montreal to San Juan plane tickets from YUL.

  • YUL is about 10 miles from central Montreal. If you're driving, ride-sharing or catching a cab from the center, it'll take 25 minutes or so to get there, depending on traffic. If you're taking public transport, expect the travel time to be around 45 minutes.

  • After a leisurely start to your trip? Stay near Montreal-Pierre Elliott Trudeau International Airport. Whether you've booked an early flight from Montreal to San Juan or just don't want to be rushed, these hotels have you covered:

  • 64.89% of flights taking off from Montreal-Pierre Elliott Trudeau International Airport make it to their destination on time.

  • YUL is located at 975 Romeo Vachon Street North.

Arriving in San Juan

Luis Munoz Marin International Airport (SJU)

  • Luis Munoz Marin International Airport (SJU) is approximately 4 miles from central San Juan. If you're catching a cab or a ride-share, the drive will take around 10 minutes.

  • Getting to the center on public transport typically takes 55 minutes.

  • If you have a late flight from Montreal to San Juan, nothing beats the convenience of staying close to the terminal. Pick up your bags from the carousel and then be showered and sleeping soon after at one of these accommodation options near SJU:

  • Fast-track your adventure by picking up a Luis Munoz Marin International Airport rental car. Grab your wheels from Sixt, Ace Rent a Car or U-Save and explore beyond San Juan's main sights.

  • Booking your ride from Luis Munoz Marin International Airport around two weeks ahead gives you the best shot at securing a great deal.

Fernando Luis Ribas Dominicci Airport (SIG)

  • Fernando Luis Ribas Dominicci Airport (SIG) is roughly 4 miles from the center of San Juan. Following your flight from Montreal to San Juan, it takes approximately 15 minutes to reach the heart of the city in a cab or ride-share.

  • If you hop on public transport, the journey will take you 1 hour or so.

Best time to go to San Juan

  • July is the busiest month for flights from Montreal to San Juan. To steer clear of the crowds, head to San Juan in May.

  • Lock in a Montreal to San Juan ticket departing in September if you want to visit the city during its warmest month. Expect temperatures in San Juan to range from 73ºF to 91ºF.

  • February sees average temperatures of between 68ºF and 82ºF. Look for cheap flights from Montreal to San Juan around that time if you'd rather travel in cooler conditions.

More about San Juan

  • Start your San Juan trip right by choosing the perfect place to stay. As soon as you've booked your flight from Montreal to San Juan, explore our range of hotels including:

  • There are so many things to explore in this city it can be hard to know where to begin. Castillo San Felipe del Morro, La Garita del morro de san juan bahia and Fortaleza Street are highlights which should be on any well-planned San Juan itinerary.

Explore more of Puerto Rico

  • You've done San Juan, now it's time to explore more of Puerto Rico. Journey about 6 miles west to Bayamon to tick off its leading attractions. From Plazoleta Ignacio Zorrilla, La Plaza de la Bomba Puertorriqueña to Monumento a los Trovadores and Parque Palm Court, you've got a jam-packed schedule ahead.

  • Around 7 miles east of San Juan, Carolina is another essential stop in Puerto Rico. Experience major highlights starting with Isla Verde Beach, Parque de Doble A Roberto Clemente Walker and Drone Zone Track.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.