Cheapest return flights from San Francisco to Sofia in January from $505

AirHint found the following cheapest return flights from San Francisco (SFO) to Sofia (SOF) in January 2026 (see full year).

Return flights

25 Jan - 08 Feb Air Canada
22 Jan - 05 Feb Air Canada
06 Jan - 19 Jan Lufthansa

Also check the deals for one-way flights from San Francisco to Sofia in January.

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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