Cheapest return flights from San Juan to Boston in January from $135

AirHint found the following cheapest return flights from San Juan (SJU) to Boston (BOS) in January 2026 (see full year).

Return flights

15 Jan - 19 Jan Spirit Airlines direct
23 Jan - 25 Jan Spirit Airlines direct
15 Jan - 18 Jan Spirit Airlines direct
15 Jan - 25 Jan Spirit Airlines direct
15 Jan - 26 Jan Spirit Airlines direct
16 Jan - 18 Jan Spirit Airlines direct
16 Jan - 25 Jan Spirit Airlines direct
22 Jan - 25 Jan Spirit Airlines direct
22 Jan - 26 Jan Spirit Airlines direct
31 Jan - 09 Feb Spirit Airlines direct
31 Jan - 10 Feb Spirit Airlines direct
31 Jan - 01 Feb Spirit Airlines direct
31 Jan - 04 Feb Spirit Airlines direct
31 Jan - 02 Feb Spirit Airlines direct
31 Jan - 19 Feb Spirit Airlines direct
31 Jan - 08 Feb Spirit Airlines direct
23 Jan - 09 Feb Spirit Airlines direct
23 Jan - 10 Feb Spirit Airlines direct
23 Jan - 01 Feb Spirit Airlines direct
15 Jan - 20 Jan Spirit Airlines

Also check the deals for one-way flights from San Juan to Boston in January.

Powered by

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

Book a cheap hotel in Boston

Cheap car rent in Boston

Feel free to contact us with any feedback or request another flight research.