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London → Philadelphia award seat availability
A free, live calendar of British Airways reward-flight (Avios) seat availability from London (LON) to Philadelphia (PHL) — every bookable date in the next year, updated within seconds of the airline's own data, with free instant alerts when new seats open.
251 dates have award seats right now (snapshot from 2026-11-06; the live calendar below updates continuously).
| Cabin | Dates with seats | Next available |
|---|---|---|
| Economy | 239 days | 2026-11-06 |
| Premium Economy | 240 days | 2026-11-06 |
| Business | 240 days | 2026-11-08 |
- Economy award seats have opened about 41 times a week on this route.
- Premium Economy award seats have opened about 33 times a week on this route.
- Business award seats have opened about 45 times a week on this route.
Most award-seat openings so far have been for travel in August and September.
Plan a London ⇄ Philadelphia round trip · Philadelphia → London (return direction) · everywhere from London
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