Cheap flights from St. Thomas to San Juan
68 mi · 45m average nonstop
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Quick answer: St. Thomas to San Juan at a glance
Cheap flights from St. Thomas (STT) to San Juan (SJU) cover 68 miles (109 km) in about 45m nonstop, with 5 airlines flying direct — a short-haul regional route. Search Kayak for today's cheapest live fare. Route difficulty 1/10.
Summary computed from real OpenFlights coordinates — not an estimate. Prices update live on Kayak.
Flying from St. Thomas to San Juan covers 68 miles (109 km) in approximately 0 hour 45 minutes. This is the most competitive route from St. Thomas (STT), with 5 airlines offering direct flights — the highest airline count of any destination from this airport. This is a short-haul regional route typically served by direct flights.
Nonstop distance 68 miles. Direct carriers include 9K, B6, BB, UA and YI.
We don't track historical prices for this route yet. Search live fares on Kayak for today's best price across 100+ airlines and booking sites.
Airlines on this route
5 airlines fly St. Thomas → San Juan. All are direct routes.
| Airline | Route type |
|---|---|
| 9K | Direct |
| B6 | Direct |
| BB | Direct |
| UA | Direct |
| YI | Direct |
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St. Thomas to San Juan — quick answers
How far is St. Thomas from San Juan by plane?
The nonstop flight distance from St. Thomas (STT) to San Juan (SJU) is 68 miles (109 km), calculated as a great-circle line from published OpenFlights airport coordinates. Actual flown distance is slightly longer due to airways and winds.
How long is the flight from St. Thomas to San Juan?
The average nonstop flight time from STT to SJU is 45 minutes. Gate-to-gate time is usually 20–35 minutes longer; connecting itineraries add 1–4 hours depending on the layover.
Which airlines fly from St. Thomas to San Juan?
5 airlines serve this route nonstop: 9K, B6, BB, UA, YI. Schedules and amenities differ by carrier — compare live frequencies and fare classes on Kayak before you book.