AirHint found the following cheapest return flights from Boston (BOS) to Sofia (SOF) in February 2026 (see full year).
Return flights
| 10 Feb - 24 Feb | Lufthansa | ||
| 11 Feb - 25 Feb | Air Canada | ||
| 05 Feb - 12 Feb | Air Canada | ||
| 07 Feb - 14 Feb | Lufthansa | ||
| 15 Feb - 22 Feb | KLM | ||
| 05 Feb - 08 Feb | Lufthansa | ||
| 14 Feb - 28 Feb | KLM | ||
| 24 Feb - 28 Feb | Air Canada |
Also check the deals for one-way flights from Boston to Sofia in February.
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