Cheapest one-way flights from Boston to San Juan in July from 142€

AirHint found the following cheapest one-way flights from Boston (BOS) to San Juan (SJU) in July 2026 (see full year).

One-Way flights

29 Jul Delta
30 Jul Delta
09 Jul Southwest Airlines
23 Jul Spirit Airlines
29 Jul Delta direct
09 Jul Delta direct
02 Jul Southwest Airlines
11 Jul Spirit Airlines
17 Jul Spirit Airlines
20 Jul Spirit Airlines

Also check the deals for return flights from Boston to San Juan in July.

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 San Juan

Cheap car rent in San Juan

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