Award flights from Washington Dulles (IAD) to St. Thomas (STT)
In the last 30 days AwardTool saw award space on 3 programs for IAD→STT. Lowest economy: 18,300 miles + $5.60 (United MileagePlus). Lowest business class: 42,000 miles + $5.60 (American Airlines AAdvantage).
Data as of
Award prices last changed . AwardTool checks these routes daily; seats change quickly.
Washington Dulles (IAD) to St. Thomas (STT) at a glance
- From
- Washington Dulles International, Washington, D.C., United States (IAD)
- To
- Cyril E. King Airport, St. Thomas, Virgin Islands, United States (STT)
- Programs with award space seen
- 3 of 3 programs tracked on this route
- Nonstop award space seen
- Yes, in economy and business class, via United MileagePlus and Virgin Australia Velocity
- Airlines seen on these awards
- American Airlines (AA), United Airlines (UA)
- Departures with open awards
- Oct 2026 to Sep 2027
- Observation window
- Awards observed in the last 30 days
- Destination guide
- Award flights to St. Thomas (STT)
Compare programs by cabin
The lowest one-way award each program showed in each cabin, sorted by points.
Economy
| Program | Points + taxes | Stops | Airlines seen | Seats | Dates seen | Newest observation | |
|---|---|---|---|---|---|---|---|
| United MileagePlusLowest observed | 18,300 pts + $5.60 | Nonstop | United Airlines (UA) | 1 | 294 | See dates | |
| Virgin Australia Velocity | 19,000 pts + $9.53 | Nonstop | United Airlines (UA) | 9+ | 94 | See dates | |
| American Airlines AAdvantage | 19,500 pts + $5.60 | 2 stops | American Airlines (AA) | — | 314 | See dates |
Business Class
| Program | Points + taxes | Stops | Airlines seen | Seats | Dates seen | Newest observation | |
|---|---|---|---|---|---|---|---|
| American Airlines AAdvantageLowest observed | 42,000 pts + $5.60 | 2 stops | American Airlines (AA) | — | 314 | See dates | |
| United MileagePlus | 51,700 pts + $5.60 | Nonstop | United Airlines (UA) | 5 | 294 | See dates |
Not seen in business class: Virgin Australia Velocity.
Premium economy: not seen in the last 30 days.
First class: not seen in the last 30 days.
Not seen means AwardTool hasn't observed this cabin on this route in the last 30 days. It doesn't mean the airline has no seats. Dates seen counts departure dates with an open award in that cabin at any price; newest observation is the latest time AwardTool saw one of them. Seats is the count the program reported when we observed it; some programs report at most 9.
Observed award examples
| Departure | Cabin | Program | Points + taxes | Seats | Stops | Observed (UTC) | |
|---|---|---|---|---|---|---|---|
| Economy | United MileagePlus | 18,300 pts + $5.60 | 9+ | Nonstop | Check this date | ||
| Economy | Virgin Australia Velocity | 19,000 pts + $9.53 | 9+ | Nonstop | Check this date | ||
| Business | American Airlines AAdvantage | 42,000 pts + $11.20 | — | 2 stops | Check this date | ||
| Business | United MileagePlus | 51,700 pts + $5.60 | 9+ | Nonstop | Check this date |
Prices are one-way per traveler: the program's points or miles plus taxes and carrier fees in USD, as AwardTool observed them at the time shown. Award space changes constantly. A seat we saw may be gone, and space we haven't seen may exist. Always confirm with a live search before transferring points; most transfers can't be reversed.
Nonstop award space
- Economy: nonstop from 18,300 miles via United MileagePlus, which showed nonstop space on 294 dates (2 programs had nonstop space).
- Business class: nonstop from 51,700 miles via United MileagePlus, which showed nonstop space on 291 dates.
Best months to fly from Washington Dulles (IAD) to St. Thomas (STT) on points
| Month | Economy | Business |
|---|---|---|
| 26,000 · AAdvantage (16 dates) | 71,800 · MileagePlus (9 dates) | |
| 18,300 · MileagePlus (30 dates) | 42,000 · AAdvantage (29 dates) | |
| 18,300 · MileagePlus (31 dates) | 42,000 · AAdvantage (26 dates) | |
| 18,300 · MileagePlus (31 dates) | 42,000 · AAdvantage (30 dates) | |
| 18,300 · MileagePlus (28 dates) | 42,000 · AAdvantage (28 dates) | |
| 18,300 · MileagePlus (31 dates) | 42,000 · AAdvantage (28 dates) | |
| 18,300 · MileagePlus (30 dates) | 42,000 · AAdvantage (30 dates) | |
| 18,300 · MileagePlus (31 dates) | 42,000 · AAdvantage (29 dates) | |
| 20,000 · MileagePlus (30 dates) | 45,000 · AAdvantage (30 dates) | |
| 18,300 · MileagePlus (31 dates) | 42,000 · AAdvantage (31 dates) | |
| 19,500 · AAdvantage (31 dates) | 42,000 · AAdvantage (31 dates) | |
| 19,500 · AAdvantage (6 dates) | 42,000 · AAdvantage (6 dates) |
Points that transfer to these programs
| Program | Amex | Bilt | Capital One | Chase | Citi | Wells Fargo |
|---|---|---|---|---|---|---|
| American Airlines AAdvantage | — | — | — | — | 1:1 · Instant | — |
| United MileagePlus | — | 1:1 · Instant | — | 1:1 · Instant | — | — |
Check current transfer bonuses. Most transfers can't be reversed. No bank transfers to Virgin Australia Velocity.
Search, calendar and alerts from Washington Dulles (IAD) to St. Thomas (STT)
Route calendar
Every departure date with open award seats on IAD→STT for American Airlines AAdvantage and the other programs: a limited window on the free plan and 365 days with Pro.
Open the route calendarLive search
Search one date across programs to see current flights, seats and taxes before you transfer points.
Search Washington Dulles (IAD) to St. Thomas (STT)Questions about award flights from Washington Dulles (IAD) to St. Thomas (STT)
What's the lowest Washington Dulles (IAD) to St. Thomas (STT) award price AwardTool has seen?
In economy, 18,300 miles + $5.60 with United MileagePlus. United MileagePlus showed economy award space on 294 departure dates (newest observation Oct 13, 2026, 01:29 UTC). In business class, 42,000 miles + $5.60 with American Airlines AAdvantage. American Airlines AAdvantage showed business-class award space on 314 departure dates (newest observation Oct 15, 2026, 14:12 UTC). Search live before transferring points.
Which loyalty programs had award space from Washington Dulles (IAD) to St. Thomas (STT)?
3 programs in the last 30 days: American Airlines AAdvantage (economy 314 dates, business class 314 dates); United MileagePlus (economy 294 dates, business class 294 dates); Virgin Australia Velocity (economy 94 dates). Dates count departure dates with an open award.
Is there nonstop award space from Washington Dulles (IAD) to St. Thomas (STT)?
Yes. AwardTool observed nonstop award space in economy and business class, bookable via United MileagePlus and Virgin Australia Velocity. The lowest nonstop award in economy was 18,300 miles with United MileagePlus.
Which credit card points can book awards from Washington Dulles (IAD) to St. Thomas (STT)?
Bilt Rewards: United MileagePlus (1:1). Chase Ultimate Rewards: United MileagePlus (1:1). Citi ThankYou Points: American Airlines AAdvantage (1:1). Ratios come from AwardTool's transfer partner list; check current bonuses first.
Which months had the lowest award prices from Washington Dulles (IAD) to St. Thomas (STT)?
Counting only month prices from programs with award space on 2 or more dates that month, and leaving out unusually low outliers: in economy, the lowest award was for Dec 2026 departures, 18,300 miles with MileagePlus (31 dates); in business class, the lowest award was for Jul 2027 departures, 42,000 miles with AAdvantage (31 dates). The month table shows every lowest price, including those. Based on dates we observed, not a forecast.