American Airlines AAdvantage award flights from London Heathrow (LHR) to Seattle (SEA)
In the last 30 days AwardTool saw American Airlines AAdvantage award space for LHR→SEA in economy, premium economy, business class and first class. Lowest economy: 21,000 miles + $235.29 (economy space on 305 dates). Lowest business class: 57,500 miles + $418.49 (business-class space on 305 dates). Lowest first class: 85,000 miles + $413.69 (first-class space on 29 dates).
Data as of
Award prices last changed . AwardTool checks these routes daily; seats change quickly.
- Lowest economy
- 21,000 miles + $235.29
- economy space on 305 dates
- Lowest business class
- 57,500 miles + $418.49
- business-class space on 305 dates
- Lowest first class
- 85,000 miles + $413.69
- first-class space on 29 dates
- Lowest premium economy
- 40,000 miles + $418.49
- premium economy space on 302 dates
AAdvantage award prices by cabin
The lowest one-way American Airlines AAdvantage award AwardTool observed on LHR→SEA in each cabin, in miles plus taxes.
| Cabin | Points + taxes | Stops | Airlines seen | Seats | Dates seen | Newest observation | |
|---|---|---|---|---|---|---|---|
| Economy | 21,000 miles + $235.29 | 1 stopNonstop from 22,500 pts | American Airlines (AA), Alaska Airlines (AS), Finnair (AY), British Airways (BA) +1 more | — | 305 | See dates | |
| Premium Economy | 40,000 miles + $418.49 | 1 stopNonstop from 40,000 pts | American Airlines (AA), Alaska Airlines (AS), British Airways (BA) | — | 302 | See dates | |
| Business | 57,500 miles + $418.49 | 1 stopNonstop from 57,500 pts | American Airlines (AA), Alaska Airlines (AS), British Airways (BA) | — | 305 | See dates | |
| First | 85,000 miles + $413.69 | 1 stop | American Airlines (AA), Alaska Airlines (AS), British Airways (BA) | — | 29 | 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 + $220.49 | — | Nonstop | Check this date | ||
| Economy | 22,500 miles + $220.49 | — | Nonstop | Check this date | ||
| Economy | 22,500 miles + $220.49 | — | Nonstop | Check this date | ||
| Premium Economy | 40,000 miles + $698.49 | — | Nonstop | Check this date | ||
| Premium Economy | 40,000 miles + $698.49 | — | Nonstop | Check this date | ||
| Premium Economy | 40,000 miles + $698.49 | — | Nonstop | Check this date | ||
| Business | 57,500 miles + $852.99 | — | Nonstop | Check this date | ||
| First | 85,000 miles + $1,126.79 | — | 1 stop | 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.
Best months to fly from London Heathrow (LHR) to Seattle (SEA) with AAdvantage
| Month | Economy | Premium Economy | Business | First |
|---|---|---|---|---|
| 30,000 (16 dates) | 40,000 (14 dates) | 57,500 (16 dates) | 85,000 (12 dates) | |
| 22,500 (28 dates) | 40,000 (27 dates) | 57,500 (28 dates) | 85,000 (17 dates) | |
| 22,500 (30 dates) | 40,000 (30 dates) | 57,500 (30 dates) | — | |
| 22,500 (24 dates) | 40,000 (24 dates) | 57,500 (24 dates) | — | |
| 22,500 (26 dates) | 40,000 (26 dates) | 57,500 (26 dates) | — | |
| 22,500 (30 dates) | 40,000 (30 dates) | 57,500 (30 dates) | — | |
| 21,000 (28 dates) | 40,000 (28 dates) | 57,500 (28 dates) | — | |
| 21,000 (24 dates) | 40,000 (24 dates) | 57,500 (24 dates) | — | |
| 21,000 (30 dates) | 40,000 (30 dates) | 57,500 (30 dates) | — | |
| 21,000 (31 dates) | 40,000 (31 dates) | 57,500 (31 dates) | — | |
| 21,000 (31 dates) | 40,000 (31 dates) | 57,500 (31 dates) | — | |
| 21,000 (7 dates) | 40,000 (7 dates) | 57,500 (7 dates) | — |
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 London Heathrow (LHR) to Seattle (SEA)
Lowest one-way award per program and cabin on this route.
| Program | Economy | Premium Economy | Business | First |
|---|---|---|---|---|
| Aeromexico Club Premier | 86,000 pts + $307.56 | — | 244,000 pts + $493.30 | — |
| Air France/KLM Flying Blue | 21,875 pts + $302.59 | 40,000 pts + $644.59 | 60,000 pts + $831.13 | — |
| Alaska Atmos Rewards | 27,500 pts + $216.89 | 35,000 pts + $718.49 | 55,000 pts + $872.99 | 55,000 pts + $921.69Lowest |
| American Airlines AAdvantage | 21,000 pts + $235.29 | 40,000 pts + $418.49 | 57,500 pts + $418.49 | 85,000 pts + $413.69 |
| Delta SkyMiles | 46,000 pts + $224.05 | 105,000 pts + $415.53 | 320,000 pts + $420.12 | 320,000 pts + $425.77 |
| Qantas Frequent Flyer | 34,700 pts + $509.65 | 70,800 pts + $1,041.53 | 90,000 pts + $869.17 | 299,300 pts + $1,650.37 |
| Qatar Airways Privilege Club | 25,750 pts + taxes not reported | — | 99,000 pts + taxes not reported | — |
| Virgin Atlantic Flying Club | 7,000 pts + $353.50Lowest | 16,500 pts + $661.21Lowest | 47,000 pts + $1,014.14Lowest | — |
Questions about AAdvantage award flights from London Heathrow (LHR) to Seattle (SEA)
What's the lowest AAdvantage award from London Heathrow (LHR) to Seattle (SEA)?
In economy, 21,000 miles + $235.29. American Airlines AAdvantage showed economy award space on 305 departure dates (newest observation Oct 16, 2026, 05:46 UTC). In business class, 57,500 miles + $418.49. American Airlines AAdvantage showed business-class award space on 305 departure dates (newest observation Oct 16, 2026, 05:46 UTC). Search live before transferring points.
Can you book nonstop awards from London Heathrow (LHR) to Seattle (SEA) with AAdvantage?
Yes. AwardTool observed nonstop American Airlines AAdvantage award space in premium economy and business class, and in economy from 22,500 miles.
Which credit card points can book AAdvantage awards from London Heathrow (LHR) to Seattle (SEA)?
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 London Heathrow (LHR) to Seattle (SEA)?
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 Jul 2027 departures: 21,000 miles (31 dates). The month table shows every lowest price, including those. Based on dates we observed, not a forecast.