AirHint found the following cheapest return flights from San Francisco (SFO) to Sofia (SOF) in June 2026 (see full year).
Return flights
| 18 Jun - 02 Jul | WestJet | ||
| 17 Jun - 01 Jul | Scandinavian Airlines | ||
| 15 Jun - 29 Jun | Alaska Airlines | ||
| 03 Jun - 30 Jul | WestJet |
Also check the deals for one-way flights from San Francisco to Sofia in June.
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