Cheapest one-way flights from St. Thomas to San Juan in January from 99€

AirHint found the following cheapest one-way flights from St. Thomas (STT) to San Juan (SJU) in January 2026 (see full year).

One-Way flights

29 Jan jetBlue direct
08 Jan Spirit Airlines
09 Jan Spirit Airlines
11 Jan Spirit Airlines
12 Jan Spirit Airlines
16 Jan Spirit Airlines
19 Jan Spirit Airlines
15 Jan Spirit Airlines
18 Jan Spirit Airlines
01 Jan jetBlue direct

Also check the deals for return flights from St. Thomas to San Juan 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 San Juan

Cheap car rent in San Juan

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