Cheap Flights from Boston to St. Thomas

View €228 flight on Fri, 1 Aug 2025Opens in a new window

Popular airlines from Boston to St. Thomas

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Cheap flights from Boston to St. Thomas (BOS-STT)

Prices were available within the past 7 days and start at €228 for one-way flights and €266 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Fri, 22 Aug - Sat, 30 Aug
BOS
Boston
STT
St. Thomas
€266 Return, found 5 days ago
€266
Return
found 5 days ago
Select American Airlines flight, departing Fri, 22 Aug from Boston to St. Thomas, returning Sat, 30 Aug, priced at €266 found 5 days ago
American Airlines
Fri, 22 Aug - Sat, 30 Aug
BOS
Boston
STT
St. Thomas
€305 Return, found 5 days ago
€305
Return
found 5 days ago
Select American Airlines flight, departing Fri, 22 Aug from Boston to St. Thomas, returning Sat, 30 Aug, priced at €305 found 5 days ago
JetBlue Airways
Fri, 22 Aug - Sat, 30 Aug
BOS
Boston
STT
St. Thomas
€324 Return, found 5 days ago
€324
Return
found 5 days ago
Select JetBlue Airways flight, departing Fri, 22 Aug from Boston to St. Thomas, returning Sat, 30 Aug, priced at €324 found 5 days ago
American Airlines
Fri, 22 Aug - Sat, 30 Aug
BOS
Boston
STT
St. Thomas
€376 Return, found 5 days ago
€376
Return
found 5 days ago
Select American Airlines flight, departing Fri, 22 Aug from Boston to St. Thomas, returning Sat, 30 Aug, priced at €376 found 5 days ago
Delta
Fri, 1 Aug - Tue, 5 Aug
PVD
Providence
STT
St. Thomas
€409 Return, found 2 hours ago
€409
Return
found 2 hours ago
Select Delta flight, departing Fri, 1 Aug from Providence to St. Thomas, returning Tue, 5 Aug, priced at €409 found 2 hours ago
United
Fri, 22 Aug - Sat, 30 Aug
BOS
Boston
STT
St. Thomas
€522 Return, found 5 days ago
€522
Return
found 5 days ago
Select United flight, departing Fri, 22 Aug from Boston to St. Thomas, returning Sat, 30 Aug, priced at €522 found 5 days ago

Find the cheapest month to fly from Boston (BOS) to St. Thomas (STT)

January is typically the cheapest month to fly

From €132 - €471 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.