Cheap flights from Montreal to San Juan from C$ 243
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Montreal to San Juan departing on 30/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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United Airlines flights from Montreal to San Juan
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How to get the cheapest flight ticket from Montreal to San Juan
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the typical price of a round-trip flight between Montreal and San Juan?
What is the cheapest month to fly to San Juan?
The month of January is, on average, the cheapest month to fly to San Juan from Montreal, with most prices found around C$ 543. If you aren’t able to travel to San Juan during the month of January, then flying in April is also cheap. Prices for this month can be found on momondo for an average of C$ 599.
What is the cheapest day to depart on your flight to San Juan?
According to our data, Thursday is the cheapest day to fly to San Juan from Montreal. The lowest ticket price found for a Thursday departure recently was C$ 366. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. On the other hand, Friday is the most expensive day to depart from Montreal because it is more convenient for both business and leisure travellers. As a result, prices tend to be around C$ 797.
What is the cheapest time of day to depart on your flight to San Juan?
Our most recent data shows that the best time of day to fly to San Juan is in the afternoon. Flights from Montreal to San Juan during this time can be as low as C$ 658. At noon is when there is more demand to fly to San Juan, so prices are often more expensive at around C$ 793 per ticket.
What is the cheapest Montreal to San Juan flight route?
Fly from Montreal Pierre Elliott Trudeau Intl to San Juan Luis Munoz Marin Intl for the best Montreal - San Juan flight prices
How far in advance should I book a flight to San Juan?
You are more likely to see cheaper flights to San Juan from Montreal when booking 3 weeks ahead of your departure date. In general, you can expect to find flights to San Juan for around C$ 713 when searching 3 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Juan from Montreal for as low as C$ 559 on momondo.
What cabin class options are available on Montreal to San Juan flights?
There are 1 cabin classes available to choose from on Montreal to San Juan flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Montreal to San Juan?
United Airlines, American Airlines, and Delta are the most popular carriers operating from Montreal to San Juan
Which airlines fly to San Juan?
WestJet, Air Canada and United Airlines are the top three most popular airlines that fly to San Juan from Montreal according to our data. WestJet is the first choice among our users, with 39% of people opting to fly with this airline when travelling to San Juan. Keep in mind that there are 7 different airlines that fly to San Juan on a routine basis, so you have a few additional options to choose from.
Cheap Montreal to San Juan flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Montreal to San Juan
How far is Montreal to San Juan by plane?
There are 3081.6 km between Montreal and San Juan. A reasonable flight in good conditions will take 6h 40m.
When did momondo last update prices for flights from Montreal to San Juan?
Prices for flights from Montreal to San Juan are updated daily.
How many operators does momondo search for flights from Montreal to San Juan?
There are 7 operators available for flights from Montreal to San Juan as of June 2025.
How old do you have to be to fly from Montreal to San Juan?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Montreal to San Juan.
What documentation or ID do you need to fly to San Juan?
The travel and health documents required for your trip to San Juan can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Juan. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
Best airlines flying from Montreal to San Juan
Compare and see reviews for airlines that fly from Montreal to San Juan with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom C$ 306 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom C$ 379 | Free Cancellation | Rating 7.4 8,790 reviews | |||
| PriceFrom C$ 418 | Free Cancellation | Rating 7.1 9,531 reviews | |||
| PriceFrom C$ 429 | Free Cancellation | Rating 8.0 7,950 reviews | |||
| PriceFrom C$ 536 | Free Cancellation | Rating 9.2 5 reviews | |||
| PriceFrom C$ 562 | Free Cancellation | Rating 7.8 396 reviews | |||
| PriceFrom C$ 642 | Free Cancellation | Rating 7.2 2,868 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Montreal to San Juan?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Montreal to San Juan . Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from Montreal to San Juan with flexible booking policies on momondo?
momondo does allow users to show only those flights to San Juan from Montreal which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Montreal to San Juan?
momondo helps you find the best flight between Montreal and San Juan by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from Montreal to San Juan right now. Can momondo alert me if prices change?
Yes. momondo can track prices for Montreal to San Juan flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.