$424 Find Cheap Flights from San Francisco to Sofia - Compare and Save

Three cabin classes are available on flights from San Francisco to Sofia:

• Economy Class
• Premium Economy Class
• Business Class

A nonstop flight from San Francisco to Sofia takes 00m, covering 6,481 miles.

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

Round-trip flights from San Francisco to Sofia range from $680 to $1,049, with an average of $853 over the past 12 months. Anything below $680 counts as a good deal.

Last-minute fares on this route (booked within two weeks of departure) run 5% above the $853 route average. Book 23 weeks before departure for the lowest fares.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $599 to $2,106. That means the highest observed fare was about 4x higher than the lowest one.

One-way fares from San Francisco to Sofia are currently higher than usual. Average one-way flight prices are about $3,218, which is 541% above the typical average for this route.

Sofia Airport (SOF) hosts 5 major car rental companies, with daily rates starting from around $1 for economy cars. Top options include:

• MEXRENTACAR
• Easyrent
• Top Rent a Car - Bulgaria
• NU Car
• Priceless

Flights from San Francisco to Sofia usually depart from San Francisco (SFO) and arrive at Sofia (SOF).

One-stop flights from San Francisco to Sofia most commonly connect through:

• Istanbul (IST) - 44% of one-stop connections
• Munich Franz Josef Strauss (MUC) - 36% of one-stop connections
• London Heathrow (LHR) - 13% of one-stop connections
• Frankfurt am Main (FRA) - 5% of one-stop connections

Yes. Flexible dates can save you up to 21% on flights from San Francisco to Sofia. Sunday is the cheapest departure day at $732 round-trip on average, while Wednesday is the most expensive at $925, a difference of $193.

Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

Flying via Zurich (ZRH) gives the shortest average 1-stop total travel time at 15h 04m, compared with 16h 28m via Munich Franz Josef Strauss (MUC) and 16h 31m via Warsaw Frederic Chopin (WAW).

Sofia is 10 hours ahead of San Francisco (Eastern European Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

Some of the most popular sights in Sofia are Vasil Levski National Stadium, National Palace of Culture and Central Sofia Market Hall. These are among the most viewed places in Sofia on KAYAK.

You can upgrade to first class on the San Francisco to Sofia route if you need a smooth journey. Upgrading is cheaper than originally booking first class. In general, your airline emails you about available first-class seats and requests you to upgrade. However, consider your travel budget before upgrading to avoid inconveniences. In addition, you need to upgrade at least 24 hours before take-off.

Most airlines from San Francisco to Sofia, including SWISS, Austrian Airlines, and British Airways, have one or more stopovers. The layover city and duration vary. Therefore, research the flight route before booking to choose the best journey. The major layover cities include Zurich, Amsterdam, Frankfurt, Munich, Copenhagen, Paris, London, Dublin, Rome, Istanbul, Barcelona, Lisbon, Tel Aviv, Doha, and Dubai.

SWISS offers a sustainable journey by using sustainable aviation fuel (SAF). These airlines aim to make these fuels their long-term goal to reduce carbon emissions. Turkish Airlines ensure sustainability through its ground and operational practices. These airlines use sustainable aviation fuel to lower greenhouse gas emissions.

The Line 20 tram offers a reliable journey from SOF airport to downtown. The trip takes approximately 56 minutes, depending on the traffic or local stops. If you have heavy luggage or need a quick trip to the city, consider taking a shuttle or taxi to get there in about 8 minutes. If you take Line 2 via the subway, you arrive in the city in around 16 minutes. Another option is a rental car to drive at your own pace.