Cheap flights from San Francisco to Sofia from $348

The cheapest month to fly to Sofia from San Francisco is in October. Flight prices, which tend to average around $631, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of October, then book flights to Sofia from San Francisco during April instead. Flights to Sofia in April, while not as cheap as those in October, still average around $653.

You are more likely to see cheaper flights to Sofia from San Francisco when booking weeks ahead of your departure date. In general, you can expect to find flights to Sofia for around $777 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sofia from San Francisco for as low as $682 on momondo.

You could potentially save up to 60% on your flight if you consider stops on a San Francisco to Sofia flight.

Lufthansa, British Airways, and United Airlines are the most popular carriers operating from San Francisco to Sofia

Turkish Airlines, Lufthansa and United Airlines are the top three most popular airlines that fly to Sofia from San Francisco according to our data. Turkish Airlines is the first choice among our users, with 41% of people opting to fly with this airline when traveling to Sofia. Keep in mind that there are 4 different airlines that fly to Sofia on a routine basis, so you have a few additional options to choose from.

Istanbul (IST) was the most common stop: 72% of momondo users choosing 1-stop flights on this route connected there.

Flights via Frankfurt am Main (FRA) offer the lowest average round-trip price of $651.

Flights connecting via Munich (MUC) have the shortest average one-way travel time: 15h 59m.

Istanbul (IST) has the shortest average layover time for this route: 2h 44m.