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Results refresh when you open or revisit this page. Last snapshot: Jun 28, 2026.

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Cheapest return flights from San Francisco (SFO) to Sofia (SOF), September

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Dates, airline, and price
Dates	Airline	Price
29 Sep 13 Oct	Lufthansa
07 Sep 04 Oct	Turkish Airlines
26 Sep 10 Oct	Austrian Airlines
04 Sep 04 Oct	Alaska Airlines

deals for one-way flights from San Francisco to Sofia in September.

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Updated Jun 28, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

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Cheapest return flights from San Francisco (SFO) to Sofia (SOF), September

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