Cheapest return flights from Washington (IAD) to St. Thomas (STT), July

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
11 Jul 16 Jul United
24 Jul 27 Jul United
Direct Flight
26 Jul 02 Aug United
Direct Flight
07 Jul 15 Jul United
Direct Flight
04 Jul 15 Jul United
Direct Flight
12 Jul 19 Jul United
31 Jul 04 Aug United
31 Jul 02 Aug United
07 Jul 18 Jul United
Direct Flight
02 Jul 01 Aug United
03 Jul 01 Aug Allegiant Air
02 Jul 15 Jul United
01 Jul 01 Aug Frontier Airlines
01 Jul 01 Aug United
Direct Flight
01 Jul 14 Jul United
Direct Flight
10 Jul 13 Jul United
Direct Flight
01 Jul 15 Jul United
Direct Flight
Powered by

deals for one-way flights from Washington to St. Thomas in July.

Book a cheap hotel in St. Thomas

Cheap car rent in Cyril E King

Updated Jun 24, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

Feel free to contact us with any feedback or request another flight research.