American Airlines AAdvantage award flights from Washington Dulles (IAD) to London Stansted (STN)
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In the last 30 days AwardTool saw American Airlines AAdvantage award space for IAD→STN in economy, premium economy, business class and first class. Lowest economy: 21,000 miles + $5.60 (economy space on 34 dates). Lowest business class: 57,500 miles + $733.50 (business-class space on 34 dates). Lowest first class: 85,000 miles + $1,633.50 (first-class space on 6 dates).
Prices observed – ; newest observation .
Page regenerated from the Oct 19, 2026 data snapshot (normally daily). Summary last changed . Seats change quickly.
- Lowest economy
- 21,000 miles + $5.60
- economy space on 34 dates
- Lowest business class
- 57,500 miles + $733.50
- business-class space on 34 dates
- Lowest first class
- 85,000 miles + $1,633.50
- first-class space on 6 dates
- Lowest premium economy
- 40,000 miles + $533.50
- premium economy space on 36 dates
AAdvantage award prices by cabin
The lowest one-way American Airlines AAdvantage award AwardTool observed on IAD→STN in each cabin, in miles plus taxes.
| Cabin | Points + taxes | Stops | Airlines seen | Seats | Dates seen | Newest observation | |
|---|---|---|---|---|---|---|---|
| Economy | 21,000 miles + $5.60 | 1 stopNonstop from 22,500 pts | American Airlines (AA), British Airways (BA), Aer Lingus (EI), IBERIA (IB) | — | 34 | See dates | |
| Premium Economy | 40,000 miles + $533.50 | Nonstop | American Airlines (AA), Royal Air Maroc (AT), British Airways (BA) | — | 36 | See dates | |
| Business | 57,500 miles + $733.50 | Nonstop | American Airlines (AA), British Airways (BA) | — | 34 | See dates | |
| First | 85,000 miles + $1,633.50 | Nonstop | American Airlines (AA), British Airways (BA) | — | 6 | 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 AAdvantage award examples
| Departure | Cabin | Points + taxes | Seats | Stops | Observed (UTC) | |
|---|---|---|---|---|---|---|
| Economy | 22,500 miles + $9.00 | — | 1 stop | Check this date | ||
| Economy | 22,500 miles + $9.00 | — | 1 stop | Check this date | ||
| Economy | 22,500 miles + $9.00 | — | 1 stop | Check this date | ||
| Premium Economy | 40,000 miles + $533.50 | — | Nonstop | Check this date | ||
| Premium Economy | 40,000 miles + $533.50 | — | Nonstop | Check this date | ||
| Premium Economy | 40,000 miles + $533.50 | — | Nonstop | Check this date | ||
| Business | 57,500 miles + $733.50 | — | Nonstop | Check this date | ||
| First | 85,000 miles + $1,633.50 | — | 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.
How often AAdvantage award space showed up
Departure dates in the next 365 days that AwardTool checked for American Airlines AAdvantage in the last 30 days, how many had award space in each cabin at any price, and the latest departure with space.
| Cabin | Dates with space | Share of dates checked | Latest departure with space |
|---|---|---|---|
| Economy | 34 of 37 | 91% | |
| Premium Economy | 36 of 37 | 97% | |
| Business | 34 of 37 | 91% | |
| First | 6 of 37 | 16% |
Best months to fly from Washington Dulles (IAD) to London Stansted (STN) with AAdvantage
| Month | Economy | Premium Economy | Business | First |
|---|---|---|---|---|
| 30,000 (1 date) | 40,000 (3 dates) | 57,500 (1 date) | 85,000 (1 date) | |
| 22,500 (6 dates) | 40,000 (6 dates) | 57,500 (6 dates) | 131,500 (5 dates) | |
| 22,500 (5 dates) | 40,000 (5 dates) | 57,500 (5 dates) | — | |
| 22,500 (1 date) | 40,000 (1 date) | 57,500 (1 date) | — | |
| 22,500 (2 dates) | 40,000 (2 dates) | 57,500 (2 dates) | — | |
| 22,500 (4 dates) | 40,000 (4 dates) | 57,500 (4 dates) | — | |
| 21,000 (1 date) | 40,000 (1 date) | 122,000 (1 date) | — | |
| 21,000 (5 dates) | 40,000 (5 dates) | 57,500 (5 dates) | — | |
| 21,000 (4 dates) | 40,000 (4 dates) | 57,500 (4 dates) | — | |
| 21,000 (1 date) | 40,000 (1 date) | 57,500 (1 date) | — | |
| 21,000 (3 dates) | 40,000 (3 dates) | 57,500 (3 dates) | — | |
| 21,000 (1 date) | 40,000 (1 date) | 57,500 (1 date) | — |
How to get AAdvantage miles
- Citi ThankYou Points: 1:1 · Instant
Check current transfer bonuses. Most transfers can't be reversed.
AAdvantage vs other programs from Washington Dulles (IAD) to London Stansted (STN)
Lowest one-way award per program and cabin on this route.
| Program | Economy | Premium Economy | Business | First |
|---|---|---|---|---|
| American Airlines AAdvantage | 21,000 pts + $5.60Lowest | 40,000 pts + $533.50Lowest | 57,500 pts + $733.50Lowest | 85,000 pts + $1,633.50Lowest |
| Turkish Miles & Smiles | 55,000 pts + taxes not reported | — | 175,000 pts + taxes not reported | — |
Questions about AAdvantage 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 19, 2026): economy 21,000 miles + $5.60, with a typical monthly low of 21,000 miles over 12 months and award space on 34 departure dates; premium economy 40,000 miles + $533.50, the lowest price in each of 12 months, with award space on 36 departure dates; business class 57,500 miles + $733.50, with monthly lows of 57,500 miles in 11 months and 122,000 miles in 1 month, and award space on 34 departure dates; first class 85,000 miles + $1,633.50, with award space on 6 departure dates. Monthly lows varied in economy (21,000 to 30,000 miles), business class (57,500 to 122,000 miles) and first class (85,000 to 131,500 miles), so the award on your dates may cost more. Search live before transferring points.
What's the lowest AAdvantage award from Washington Dulles (IAD) to London Stansted (STN)?
In economy, 21,000 miles + $5.60. American Airlines AAdvantage showed economy award space on 34 departure dates at any price (newest observation Oct 19, 2026, 20:47 UTC). In business class, 57,500 miles + $733.50. Seen Oct 19, 2026, 18:24 UTC for an Oct 23, 2026 departure. American Airlines AAdvantage showed business-class award space on 34 departure dates at any price (newest observation Oct 19, 2026, 20:47 UTC). Search live before transferring points.
Can you book nonstop awards from Washington Dulles (IAD) to London Stansted (STN) with AAdvantage?
Yes. AwardTool observed nonstop American Airlines AAdvantage award space in premium economy, business class and first class, and in economy from 22,500 miles.
Which credit card points can book AAdvantage awards from Washington Dulles (IAD) to London Stansted (STN)?
Citi ThankYou Points (1:1, Instant). Check current transfer bonuses; most transfers can't be reversed.
Which months had the lowest AAdvantage 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, the lowest economy award AwardTool observed was for May 2027 departures: 21,000 miles (5 dates). The month table shows every lowest price, including those. Based on dates we observed, not a forecast.