$143 Cheap United flights Washington (DCA) to St. Thomas (STT)

View $143 flight on Sun, Jan 4, 2026Opens in a new window

$143 Cheap United flights Washington (DCA) to St. Thomas (STT)

Prices were available within the past 7 days and start at $143 for one-way flights and $258 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sun, Jan 4 - Thu, Jan 8
DCA
Washington
STT
St. Thomas
$258 Roundtrip, found 6 hours ago
$258
Roundtrip
found 6 hours ago
Select United flight, departing Sun, Jan 4 from Washington to St. Thomas, returning Thu, Jan 8, priced at $258 found 6 hours ago
United
Sun, Jan 4 - Thu, Jan 8
DCA
Washington
STT
St. Thomas
$500 Roundtrip, found 6 hours ago
$500
Roundtrip
found 6 hours ago
Select United flight, departing Sun, Jan 4 from Washington to St. Thomas, returning Thu, Jan 8, priced at $500 found 6 hours ago
United
Sun, Jan 4 - Thu, Jan 8
DCA
Washington
STT
St. Thomas
$590 Roundtrip, found 6 hours ago
$590
Roundtrip
found 6 hours ago
Select United flight, departing Sun, Jan 4 from Washington to St. Thomas, returning Thu, Jan 8, priced at $590 found 6 hours ago

Find the cheapest month to fly from Washington (DCA) to St. Thomas (STT)

October is typically the cheapest month to fly

From $199 - $546 per traveler.

Alternative airports near St. Thomas

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Cyril E. King STT. Cheapest option available. Flights from $1,940
STT
Cyril E. King
Cheapest
Flights from $1,940
Flights from Washington (DCA) to St. Thomas (STT)
Origin airport
Ronald Reagan Washington National
Destination airport
Cyril E. King
Airlines serving
American Airlines, Delta, JetBlue Airways, United
Popular airline
Delta
Distance
2546 km