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Sofia → London award seat availability
A free, live calendar of British Airways reward-flight (Avios) seat availability from Sofia (SOF) to London (LON) — every bookable date in the next year, updated within seconds of the airline's own data, with free instant alerts when new seats open.
144 dates have award seats right now (snapshot from 2026-11-06; the live calendar below updates continuously).
| Cabin | Dates with seats | Next available |
|---|---|---|
| Economy | 141 days | 2026-11-06 |
| Business | 140 days | 2026-11-06 |
- Economy award seats have opened about 16 times a week on this route.
- Business award seats have opened about 20 times a week on this route.
Most award-seat openings so far have been for travel in April and May.
Plan a Sofia ⇄ London round trip · London → Sofia (return direction) · everywhere from Sofia
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