Award flights from Washington Dulles (IAD) to London Stansted (STN)
Search flights from Washington Dulles (IAD) to London Stansted (STN)
Search live to see every flight, program and cabin price for your dates.
In the last 30 days AwardTool saw award space on 1 program for IAD→STN. Lowest economy: 21,000 miles + $5.60 (American Airlines AAdvantage). Lowest business class: 57,500 miles + $733.50 (American Airlines AAdvantage). Lowest first class: 131,500 miles + $5.60 (American Airlines AAdvantage).
Prices observed – ; newest observation .
Page regenerated from the Oct 19, 2026 data snapshot (normally daily). Summary last changed . Seats change quickly.
Washington Dulles (IAD) to London Stansted (STN) at a glance
- From
- Washington Dulles International, Washington, D.C., United States (IAD)
- To
- London Stansted Airport, London, United Kingdom (STN)
- Programs with award space seen
- 1 of 1 program tracked on this route
- Nonstop award space seen
- Yes, in economy, premium economy and business class, via American Airlines AAdvantage
- Airlines seen on these awards
- American Airlines (AA), Royal Air Maroc (AT), British Airways (BA), Aer Lingus (EI), IBERIA (IB)
- Departures with open awards
- Oct 2026 to Aug 2027
- Most dates with space
- 27 of 28 departure dates checked (American Airlines AAdvantage, premium economy)
- Latest departure with space
- Observation window
- Awards observed in the last 30 days
- Destination guide
- Award flights to London Stansted (STN)
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 | |
|---|---|---|---|---|---|---|---|
| American Airlines AAdvantage | 21,000 pts + $5.60 | 1 stopNonstop from 22,500 pts | American Airlines (AA), British Airways (BA), Aer Lingus (EI), IBERIA (IB) | — | 25 | See dates |
Premium Economy
| Program | Points + taxes | Stops | Airlines seen | Seats | Dates seen | Newest observation | |
|---|---|---|---|---|---|---|---|
| American Airlines AAdvantage | 40,000 pts + $533.50 | Nonstop | American Airlines (AA), Royal Air Maroc (AT), British Airways (BA) | — | 27 | See dates |
Business Class
| Program | Points + taxes | Stops | Airlines seen | Seats | Dates seen | Newest observation | |
|---|---|---|---|---|---|---|---|
| American Airlines AAdvantage | 57,500 pts + $733.50 | Nonstop | American Airlines (AA), British Airways (BA) | — | 25 | See dates |
First Class
| Program | Points + taxes | Stops | Airlines seen | Seats | Dates seen | Newest observation | |
|---|---|---|---|---|---|---|---|
| American Airlines AAdvantage | 131,500 pts + $5.60 | 1 stop | American Airlines (AA) | — | 5 | See dates |
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 | American Airlines AAdvantage | 22,500 pts + $9.00 | — | 1 stop | Check this date | ||
| Premium Economy | American Airlines AAdvantage | 40,000 pts + $533.50 | — | 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 in the observation window. 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 22,500 miles via American Airlines AAdvantage, which showed nonstop space on 19 dates.
- Premium economy: nonstop from 40,000 miles via American Airlines AAdvantage, which showed nonstop space on 12 dates.
- Business class: nonstop from 57,500 miles via American Airlines AAdvantage, which showed nonstop space on 12 dates.
Best months to fly from Washington Dulles (IAD) to London Stansted (STN) on points
| Month | Economy | Premium Economy | Business | First |
|---|---|---|---|---|
| — | 40,000 · AAdvantage (2 dates) | — | — | |
| 22,500 · AAdvantage (6 dates) | 40,000 · AAdvantage (6 dates) | 57,500 · AAdvantage (6 dates) | 131,500 · AAdvantage (5 dates) | |
| 22,500 · AAdvantage (6 dates) | 40,000 · AAdvantage (6 dates) | 57,500 · AAdvantage (6 dates) | — | |
| 22,500 · AAdvantage (1 date) | 40,000 · AAdvantage (1 date) | 57,500 · AAdvantage (1 date) | — | |
| 22,500 · AAdvantage (2 dates) | 40,000 · AAdvantage (2 dates) | 57,500 · AAdvantage (2 dates) | — | |
| 22,500 · AAdvantage (3 dates) | 40,000 · AAdvantage (3 dates) | 57,500 · AAdvantage (3 dates) | — | |
| 21,000 · AAdvantage (1 date) | 40,000 · AAdvantage (1 date) | 122,000 · AAdvantage (1 date) | — | |
| 21,000 · AAdvantage (2 dates) | 40,000 · AAdvantage (2 dates) | 57,500 · AAdvantage (2 dates) | — | |
| 21,000 · AAdvantage (2 dates) | 40,000 · AAdvantage (2 dates) | 57,500 · AAdvantage (2 dates) | — | |
| 21,000 · AAdvantage (1 date) | 40,000 · AAdvantage (1 date) | 57,500 · AAdvantage (1 date) | — | |
| 21,000 · AAdvantage (1 date) | 40,000 · AAdvantage (1 date) | 57,500 · AAdvantage (1 date) | — |
Points that transfer to these programs
| Program | Amex | Bilt | Capital One | Chase | Citi | Wells Fargo |
|---|---|---|---|---|---|---|
| American Airlines AAdvantage | — | — | — | — | 1:1 · Instant | — |
Check current transfer bonuses. Most transfers can't be reversed.
Search, calendar and alerts from Washington Dulles (IAD) to London Stansted (STN)
Route calendar
Every departure date with open award seats on IAD→STN 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 London Stansted (STN)Questions about award flights from Washington Dulles (IAD) to London Stansted (STN)
How many miles do you need to fly from Washington Dulles (IAD) to London Stansted (STN) with American Airlines AAdvantage?
The lowest one-way American Airlines AAdvantage awards AwardTool observed in the last 30 days (newest observation Oct 18, 2026): economy 21,000 miles + $5.60, with monthly lows of 21,000 miles in 5 months and 22,500 miles in 5 months, and award space on 25 departure dates; premium economy 40,000 miles + $533.50, the lowest price in each of 11 months, with award space on 27 departure dates; business class 57,500 miles + $733.50, with monthly lows of 57,500 miles in 9 months and 122,000 miles in 1 month, and award space on 25 departure dates; first class 131,500 miles + $5.60, with award space on 5 departure dates. Monthly lows varied in economy (21,000 to 22,500 miles) and business class (57,500 to 122,000 miles), so the award on your dates may cost more. Search live before transferring points.
What's the lowest Washington Dulles (IAD) to London Stansted (STN) award price AwardTool has seen?
In economy, 21,000 miles + $5.60 with American Airlines AAdvantage. American Airlines AAdvantage showed economy award space on 25 departure dates at any price (newest observation Oct 18, 2026, 16:03 UTC). In business class, 57,500 miles + $733.50 with American Airlines AAdvantage. Seen Oct 18, 2026, 16:03 UTC for a Nov 15, 2026 departure. American Airlines AAdvantage showed business-class award space on 25 departure dates at any price (newest observation Oct 18, 2026, 16:03 UTC). Search live before transferring points.
Is there nonstop award space from Washington Dulles (IAD) to London Stansted (STN)?
Yes. AwardTool observed nonstop award space in economy, premium economy and business class, bookable via American Airlines AAdvantage. The lowest nonstop award in economy was 22,500 miles with American Airlines AAdvantage.
Which credit card points can book awards from Washington Dulles (IAD) to London Stansted (STN)?
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 London Stansted (STN)?
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 May 2027 departures, 21,000 miles with AAdvantage (2 dates); in business class, the lowest award was for Nov 2026 departures, 57,500 miles with AAdvantage (6 dates). The month table shows every lowest price, including those. Based on dates we observed, not a forecast.