Cheap flights from Frederick to St. Thomas

View AU$408 flight on Mon, 18 Aug. 2025Opens in a new window

Popular airlines from Frederick to St. Thomas

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Cheap Flights from Frederick (IAD) to St. Thomas (STT)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Fri, 19 Sep. - Mon, 22 Sep.
BWI
Baltimore
STT
St. Thomas
AU$715 Return, found 2 days ago
AU$715
Return
found 2 days ago
Select American Airlines flight, departing Fri, 19 Sep. from Baltimore to St. Thomas, returning Mon, 22 Sep., priced at AU$715 found 2 days ago
American Airlines
Fri, 19 Sep. - Mon, 22 Sep.
BWI
Baltimore
STT
St. Thomas
AU$753 Return, found 2 days ago
AU$753
Return
found 2 days ago
Select American Airlines flight, departing Fri, 19 Sep. from Baltimore to St. Thomas, returning Mon, 22 Sep., priced at AU$753 found 2 days ago
American Airlines
Mon, 18 Aug. - Mon, 25 Aug.
BWI
Baltimore
STT
St. Thomas
AU$814 Return, found 3 days ago
AU$814
Return
found 3 days ago
Select American Airlines flight, departing Mon, 18 Aug. from Baltimore to St. Thomas, returning Mon, 25 Aug., priced at AU$814 found 3 days ago
American Airlines
Mon, 18 Aug. - Mon, 25 Aug.
IAD
Washington
STT
St. Thomas
AU$814 Return, found 3 days ago
AU$814
Return
found 3 days ago
Select American Airlines flight, departing Mon, 18 Aug. from Washington to St. Thomas, returning Mon, 25 Aug., priced at AU$814 found 3 days ago
Delta
Fri, 19 Sep. - Mon, 22 Sep.
BWI
Baltimore
STT
St. Thomas
AU$821 Return, found 2 days ago
AU$821
Return
found 2 days ago
Select Delta flight, departing Fri, 19 Sep. from Baltimore to St. Thomas, returning Mon, 22 Sep., priced at AU$821 found 2 days ago
United
Mon, 18 Aug. - Mon, 25 Aug.
IAD
Washington
STT
St. Thomas
AU$1,170 Return, found 3 days ago
AU$1,170
Return
found 3 days ago
Select United flight, departing Mon, 18 Aug. from Washington to St. Thomas, returning Mon, 25 Aug., priced at AU$1,170 found 3 days ago

Find the cheapest month to fly from Baltimore (BWI) to St. Thomas (STT)

March is typically the cheapest month to fly

From AU$230 - AU$1,236 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.