$181 Find Cheap Flights from Montreal to San Juan - Compare and Save

If your flying dates are flexible, you should consider flying to San Juan on a Saturday, as we generally find the cheapest rates on that day for this route. On the other hand, Sunday is the most expensive day to fly from Montreal to San Juan. For your return ticket, we recommend flying on a Sunday and avoiding Saturdays for the best deals.

The cheapest month for flights from Montreal Pierre Elliott Trudeau Intl Airport to San Juan Luis Munoz Marin Intl Airport is September, where tickets cost $304 (return) on average. On the other hand, the most expensive months are December and July, where the average cost of round-trip tickets is $824 and $681 respectively.

No, with an average price for the route of $650, prices are generally cheapest when you fly direct.

To get a below average price on the flight from Montreal Pierre Elliott Trudeau Intl Airport to San Juan Luis Munoz Marin Intl Airport, you should book around 5 weeks before departure, which saves you about 7% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 26 weeks before departure.

In the past 5 days, the cheapest round-trip tickets from Montreal to San Juan were found on United Airlines ($291) and American Airlines ($322).

There are 2 airlines that fly nonstop from Montreal Pierre Elliott Trudeau Intl Airport to San Juan Luis Munoz Marin Intl Airport. They are Air Canada and Air Transat. The cheapest airline for this route is Air Canada, with the best round-trip deal found costing $194. On average, the best prices for this route can be found at Air Canada.

Weekly flights between Montreal and San Juan historically see delays in approximately 6% of cases, with the average delay over the past year being 148 minutes.

Typically, flights leaving in the morning tend to face fewer delays, whereas flights in the morning have historically encountered delays more often.

Statistically, Sunday is the day of the week with the fewest delays on this flight route, while Sunday has typically experienced more delays than other days.

Based on our data, Air Canada Rouge have experienced the fewest delays on this route in the past 12 months, with only about 9% of their flights encountering any delays.

Atlanta (ATL) is the top choice – 27% of KAYAK users who clicked on 1-stop flights from Montreal to San Juan picked an itinerary connecting there.

Flights via Punta Cana (PUJ) offer the most affordable fares, with an average round-trip price of $481.

Consider flying via Washington, D.C. (IAD) for the shortest journey. The average one-way travel time for flights connecting there is 7h 05m.

If you prefer a quick connection, Washington, D.C. (IAD) often has the shortest layovers from Montreal to San Juan, with an average of 1h 19m.