Cheap Flights from Boston, MA to San Juan from $57
On Cheapflightsplus.com you will find 2 direct and 397 connecting flights from Boston to San Juan. You can compare airfare deals from 7 airlines and multiple travel sites from $57, book and save on cheap plane tickets and last minute offers. Also check out BOS-SJU flight schedule to find best flight time, convenient departure and arrival airports.
Flight Information
Below we will explain in detail what the flights cost on the destination from Boston to San Juan depends on and how to choose the most interesting flight option for you.
Distance between Boston and San Juan is 2702 miles. Time difference between the cities is 1h. Airplanes depart 05:15 to 21:40 from 4 Boston airports and arrive 05:15 to 21:40 to 2 San Juan airports. Average flight time is 4h.
- The fastest flight 3h 54m
- Average flight time 4h
- The earliest flight 05:15
- The latest flight 21:40
- Distance 1679 ml
Best Flights from Boston to San Juan Today
| Price | Departure | Arrival | Flight Duration | Airline | Flight |
|---|---|---|---|---|---|
| from $57 | 10:18 Boston Logan | 14:23 San Juan Luis Munoz Marin Intl | 4h 5m | Spirit Airlines | NK1839 |
| from $132 | 14:42 Boston Logan | 18:36 San Juan Luis Munoz Marin Intl | 3h 54m | Spirit Airlines | NK1803 |
| from $76 | 16:40 Boston Logan | 01:11+1 день San Juan Luis Munoz Marin Intl | 8h 31m layover 2h 20m - Orlando | Spirit Airlines | NK3797 NK3166 |
| from $88 | 17:42 Boston Logan | 00:54+1 день San Juan Luis Munoz Marin Intl | 7h 12m layover 1h 16m - Orlando | Spirit Airlines | NK2093 NK1989 |
The cheapest months to travel to San Juan are july (from 57 $), september (from 76 $), october (from 81 $).
The most expensive months are december (from 565 $), january (from 564 $), august (from 126 $).
What is the lowest airfare Boston to San Juan?
The cheapest plane ticket found by our users is $57. This airfare is for economy class on one-way NK1839 flight by Spirit Airlines for August 7, 2025 which leaves Logan in Boston at 10:18 am and arrives at San Juan Luis Munoz Marin Intl at 14:23.
Flight Schedule Boston (Massachusetts) to San Juan
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Popular Airlines on the Route
The flight Boston — San Juan is served by 7 regular airlines and 4 low-cost airlines. Most of the flights on this route are operated by Air Canada - 2 departures per week at the price of from $ 368 . And the most expensive tickets are offered by Alaska Airlines airline - from $ 1720.
Direct flights
There are 2 nonstop flights on the route. The fastest direct flight is NK1803 by Spirit Airlines takes 3h 54m and the cheapest is NK1839 by Spirit Airlines for $57.
- NK - Spirit Airlinesfrom $57Find
Connecting Flights
There are 397 flights with layovers on the route. The fastest connecting flight is UA570 by United Airlines takes 6h 35m and the cheapest is NK1839 by Spirit Airlines for $76.
- AC - Air Canadafrom $368Find
- AS - Alaska Airlinesfrom $405Find
- F9 - Frontier Airlinesfrom $114Find
- SY - Sun Country Airlinesfrom $576Find
- UA - United Airlinesfrom $213Find
- NK - Spirit Airlinesfrom $76Find
- G4 - Allegiant Airfrom $203Find
Airports
You can fly from Boston to San Juan from 4 airports (Boston City Heliport, Boston RT128 Rail, Boston South Rail, Logan).
Boston airports
- Boston City Heliport-JBCFind
- Boston RT128 Rail-ZRUFind
- Boston South Rail-ZTOFind
- Logan-BOSfrom $57Find
San Juan airports
- Isla Grande-SIGFind
- Luis Munoz Marin Intl-SJUFind
Airplanes
There are flights to San Juan from Boston by 7 airlines that use 0 aircraft brands. They range from huge modern airplanes to small-sized.
Top Domestic Destinations from Boston
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Top International Destinations from Boston
Our state-of-the art metasearch will definitely provide you with the best airfare on international flights. We’re proud to partner with many reliable travel suppliers located outside the US what gives us an opportunity to offer the most competitive prices on far destinations.
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How to book a plane ticket yourself?
- Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
- Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
- Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
- Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
- That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.
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