Expect long security queues at IAD, especially in the afternoon. Plan extra time to navigate the airport's complex layout.

Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $199 (American Airlines) |
One-way from | $93 (United Airlines) |
Popular in | April |
Cheapest in | September |
Average price | $594 |
Good round-trip deal | $417 or less |
Good one-way deal | $195 or less |
Fly from
Fly to
Route
Depart
Return
Price
BaltimoreSaint Thomas Island
BWI - STT
BWISTT
Baltimore/Washington
Tue 2/24
8:20 am-4:22 pm
1 stop7h 02m
Saint Thomas Island Cyril E King
Wed 3/4
4:15 pm-12:37 am
1 stop9h 22m
BaltimoreSaint Thomas Island
BWI - STT
BWISTT
Baltimore/Washington
Mon 5/4
6:05 am-3:43 pm
1 stop9h 38m
Saint Thomas Island Cyril E King
Wed 5/13
1:22 pm-10:34 pm
1 stop9h 12m
Washington, D.C.Saint Thomas Island
IAD - STT
IADSTT
Washington, D.C. Dulles Intl
Mon 5/4
6:30 am-3:43 pm
1 stop9h 13m
Saint Thomas Island Cyril E King
Wed 5/13
1:22 pm-10:36 pm
1 stop9h 14m
BaltimoreSaint Thomas Island
BWI - STT
BWISTT
Baltimore/Washington
Sat 1/24
9:26 am-4:37 pm
1 stop6h 11m
Saint Thomas Island Cyril E King
Thu 2/19
3:36 pm-11:17 pm
1 stop8h 41m
Washington, D.C.Saint Thomas Island
DCA - STT
DCASTT
Washington, D.C. Reagan-National
Tue 1/6
8:15 am-3:05 pm
1 stop5h 50m
Saint Thomas Island Cyril E King
Fri 1/9
4:00 pm-9:32 pm
1 stop6h 32m
Washington, D.C.Saint Thomas Island
DCA - STT
DCASTT
Washington, D.C. Reagan-National
Wed 1/7
8:15 am-3:05 pm
1 stop5h 50m
Saint Thomas Island Cyril E King
Fri 1/9
4:00 pm-9:32 pm
1 stop6h 32m
Washington, D.C.Saint Thomas Island
DCA - STT
DCASTT
Washington, D.C. Reagan-National
Fri 2/20
6:00 am-1:49 pm
1 stop6h 49m
Saint Thomas Island Cyril E King
Fri 2/27
4:15 pm-10:33 pm
1 stop7h 18m
Washington, D.C.Saint Thomas Island
DCA - STT
DCASTT
Washington, D.C. Reagan-National
Mon 1/19
8:15 am-3:05 pm
1 stop5h 50m
Saint Thomas Island Cyril E King
Sat 1/24
4:00 pm-9:36 pm
1 stop6h 36m
Washington, D.C.Saint Thomas Island
DCA - STT
DCASTT
Washington, D.C. Reagan-National
Fri 1/9
6:00 am-1:22 pm
1 stop6h 22m
Saint Thomas Island Cyril E King
Mon 1/12
4:25 pm-11:32 pm
1 stop8h 07m
Washington, D.C.Saint Thomas Island
DCA - STT
DCASTT
Washington, D.C. Reagan-National
Thu 1/29
8:15 am-3:05 pm
1 stop5h 50m
Saint Thomas Island Cyril E King
Mon 2/2
4:00 pm-9:32 pm
1 stop6h 32m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
To ensure you get the cheapest price possible for a flight from Washington, D.C. to Saint Thomas Island, you should look to book at least 37 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Currently, March is the cheapest month in which you can book a flight from Washington, D.C. to Saint Thomas Island (average of $153). Flying from Washington, D.C. to Saint Thomas Island in October is currently the most expensive (average of $309). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
When flying from Washington, D.C. to Saint Thomas Island, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 44% versus a flight in the morning.
Overall
Food
Boarding
Crew
Comfort
Entertainment
Reviews
Jim,Nov 2025
AVL - ATL
Overall
Food
Boarding
Crew
Comfort
Entertainment
Reviews
Jim,Nov 2025
AVL - ATL
Overall
Food
Boarding
Crew
Comfort
Entertainment
Reviews
Jim,Nov 2025
AVL - ATL
Overall
Food
Boarding
Crew
Comfort
Entertainment
Reviews
Jim,Nov 2025
AVL - ATL
Overall
Food
Boarding
Crew
Comfort
Entertainment
Reviews
Jim,Nov 2025
AVL - ATL
Overall
Food
Boarding
Crew
Comfort
Entertainment
Reviews
Jim,Nov 2025
AVL - ATL
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$193 | Average$367 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$276 | Average$604 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$347 | Average$611 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$422 | Average$671 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$464 | Average$653 | FlexibilityNo cancel fee | On-time71% |