Cheap flights from Boston to San Juan

If you’re not able to fly to San Juan in January, then March is your next best option. Flight prices from Boston to San Juan during March average around $298.

The cheapest day to depart from Boston to San Juan is on a Sunday when prices can be found for as low as $385. The most expensive day to fly to San Juan is Thursday, with ticket prices averaging around $414.

The cheapest time of day to fly to San Juan is at noon when flights can be purchased for as low as $348. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $409 on average. Flights to San Juan from Boston in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

Fly from Boston Logan Intl to San Juan Luis Munoz Marin Intl for the best Boston Logan Intl - San Juan flight prices

You are more likely to see cheaper flights to San Juan from Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to San Juan for around $358 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Juan from Boston for as low as $327 on momondo.

There are 4 cabin classes available to choose from on Boston to San Juan flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Historically, on average around 27% of flights between Boston and San Juan have experienced a delay on any given week. The average delay length over the past 12 months has been 155 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

According to our data, Delta have had the least number of delays on this route over the last 12 months; with about 19% of their flights experiencing any sort of delay.