Nonstop flights from Washington to Saint Thomas
2 airlines fly from 2 Washington airports (IAD and BWI) to Saint Thomas (STT), with up to 3 flights a day.
Routes
2 airport pairs- IAD to STTDulles to Cyril E. King1 to 2 a day
- BWI to STTBaltimore/Washington International Thurgood Marshall to Cyril E. KingDaily
When they leave
Washington timeTwo in the morning, 8:15 AM to 8:40 AM, then one afternoon flight at 12:53 PM.
Every flight
Earliest first
Schedules last checked Sep 22, 2026. Times are local.
Flying from Washington to Saint Thomas
United Airlines flies most often, 1 to 2 times a day on the Boeing 737 MAX 8. Southwest Airlines flies daily on the Boeing 737-700.
Flights run every day of the week, 3 on Saturdays and 2 on the other days. The first arrival in Saint Thomas is at 12:20 PM and the last at 5:00 PM.
IAD to STT is the busiest airport pair, with 8 flights a week, then BWI to STT with 7.
On BWI to STT, Southwest Airlines starts on Nov 1.
Flying back, Saint Thomas to Washington has 12 nonstop flights a week.
Return flights
Find the cheapest day to fly from Washington to Saint Thomas.
Schedules as of Oct 9, 2026.