Flights from San Juan to St Thomas
San Juan to St Thomas (SJU–STT) is a short nonstop inter-island air route in the Caribbean, linking Puerto Rico and the US Virgin Islands. It is served nonstop by 2 airlines. Use Flyroz to compare live fares, then book directly with the airline or travel site.
Airports for this journey
International route- From
- Luis Muñoz Marín Intl (SJU)
- San Juan, Puerto Rico
- To
- Cyril E. King (STT)
- St Thomas, US Virgin Islands
- Route context
- International airport pair
- Information review
Flyroz prepares this airport-pair search. Current results come from partner providers; booking and payment take place on the selected provider website.
Cheapest one-way from
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Estimated journey duration
Nonstop flights from San Juan (SJU) to St Thomas (STT) take roughly 0h 32m–0h 39m in the air, estimated from the ~109 km great-circle distance. This is an estimate, not a published block time — exact times vary by aircraft, routing and conditions.
Airlines and current route context
Nonstop SJU–STT service is operated by Cape Air and JetBlue. Carriers were verified against FlightConnections (accessed 2026-07-14); schedules change over time, so check current results for your dates.
Direct and connecting guidance
Current direct and connecting options depend on your dates and are shown by Flyroz’s search partners.
Timing and booking guidance
Fares tend to be higher in the December–April high season and around holidays, and lower in the quieter summer and autumn months (which overlap the Atlantic hurricane season). Booking ahead and keeping dates flexible generally gives more choice.
How booking works
Flyroz prepares the search. Aviasales or Kiwi.com displays current results, and you complete booking and payment on that provider's website under its terms. Flyroz does not operate airlines or issue tickets.
Related routes
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