SOF - SFO

£572 Find Cheap Flights from Sofia to San Francisco – Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest return flight
£706
Typical prices: £681-£820
Turkish Airlines
Mon 10/12Wed 26/12
SOF - SFO • 1 stop
Cheapest one-way flight
£572
Typical prices: £571-£755
British Airways
Thu 11/1
SOF - SFO • 1 stop
Direct flights
Not available
There are currently no direct flights between Sofia and San Francisco. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
February
Cheapest • 8% price drop
November
Most popular
Good to know
+1
Good to know
+1
Top stopover airports
Warsaw Frederic Chopin (WAW)
Cheapest • Avg £691 (return)
Zurich (ZRH)
Shortest trip • 14h 57m (one-way)
Insights
Insights
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We hope you enjoy your trip to San Francisco!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Sofia to San Francisco (SOF-SFO)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Sofia to San Francisco

Thu, 10 Dec - Sat, 26 Dec
Turkish Airlines Logo
16:00 - 16:30SOF  Sofia-SFO San Francisco
34h 30m1 stop Istanbul
Turkish Airlines Logo
18:35 - 15:10SFO  San Francisco-SOF Sofia
34h 35m1 stop Istanbul
£706Turkish Airlines
Fri, 22 Jan - Sun, 31 Jan
Turkish Airlines Logo
11:40 - 16:30SOF  Sofia-SFO San Francisco
38h 50m1 stop Istanbul
Turkish Airlines Logo
18:35 - 15:10SFO  San Francisco-SOF Sofia
34h 35m1 stop Istanbul
£710Turkish Airlines
Tue, 19 Jan - Fri, 29 Jan
Turkish Airlines Logo
09:30 - 16:30SOF  Sofia-SFO San Francisco
17h 00m1 stop Istanbul
Turkish Airlines Logo
18:35 - 15:10SFO  San Francisco-SOF Sofia
34h 35m1 stop Istanbul
£728Turkish Airlines
Mon, 18 Jan - Mon, 15 Mar
Turkish Airlines Logo
21:45 - 16:30SOF  Sofia-SFO San Francisco
28h 45m1 stop Istanbul
Turkish Airlines Logo
19:35 - 15:10SFO  San Francisco-SOF Sofia
34h 35m1 stop Istanbul
£728Turkish Airlines
Tue, 19 Jan - Sun, 31 Jan
Turkish Airlines Logo
09:30 - 16:30SOF  Sofia-SFO San Francisco
17h 00m1 stop Istanbul
Turkish Airlines Logo
18:35 - 20:55SFO  San Francisco-SOF Sofia
16h 20m1 stop Istanbul
£731Turkish Airlines
Sun, 17 Jan - Wed, 10 Mar
Turkish Airlines Logo
11:40 - 16:30SOF  Sofia-SFO San Francisco
38h 50m1 stop Istanbul
Turkish Airlines Logo
19:35 - 10:50SFO  San Francisco-SOF Sofia
29h 15m1 stop Istanbul
£745Turkish Airlines
Wed, 13 Jan - Wed, 10 Mar
Turkish Airlines Logo
21:45 - 16:30SOF  Sofia-SFO San Francisco
28h 45m1 stop Istanbul
Turkish Airlines Logo
19:35 - 20:55SFO  San Francisco-SOF Sofia
15h 20m1 stop Istanbul
£770Turkish Airlines
Mon, 18 Jan - Sat, 13 Mar
Turkish Airlines Logo
16:00 - 16:30SOF  Sofia-SFO San Francisco
34h 30m1 stop Istanbul
Turkish Airlines Logo
19:35 - 15:10SFO  San Francisco-SOF Sofia
33h 35m1 stop Istanbul
£774Turkish Airlines
Thu, 10 Dec - Sat, 26 Dec
United Airlines Logo
06:25 - 16:05SOF  Sofia-SFO San Francisco
19h 40m1 stop Frankfurt am Main
United Airlines Logo
21:40 - 22:55SFO  San Francisco-SOF Sofia
15h 15m1 stop Munich Franz Josef Strauss
£787United Airlines
Wed, 11 Nov - Wed, 9 Dec
United Airlines Logo
14:10 - 20:10SOF  Sofia-SFO San Francisco
16h 00m1 stop Frankfurt am Main
United Airlines Logo
21:40 - 22:55SFO  San Francisco-SOF Sofia
15h 15m1 stop Munich Franz Josef Strauss
£789United Airlines
Booking Insights

Price, demand, and travel trends for Sofia to San Francisco flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights with more confidence.

How much is a return flight from Sofia to San Francisco?

Return flights from Sofia to San Francisco typically range from £681 to £820. The lowest price found in the past 5 days was £706 on Turkish Airlines.

What's the cheapest day of the week to fly from Sofia to San Francisco?

Based on deals KAYAK users found in the last 12 months, Monday is the cheapest day of the week to fly from Sofia to San Francisco. It's 6% cheaper than the average day, while Friday is the most expensive, with prices 12% higher.

What is the cheapest month to fly from Sofia to San Francisco?

•February is the cheapest month to fly from Sofia to San Francisco at £664 return.
•August (£866) and September (£835) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 30% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

Find deals

Key details for Sofia to San Francisco flights

Low season

February

Cheapest flight

£572
Beat the crowds with an average 51% drop in traveller numbers.
The most popular month to fly with an average 70% increase in traveller numbers.
One-way flight from Sofia to San Francisco

When to book flights from Sofia to San Francisco

Are your dates flexible? Find out the best times to travel from Sofia to San Francisco based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price

Your Sofia to San Francisco flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines, and booking tips.

  • How long is a flight from Sofia to San Francisco?

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

  • Do I need a passport to fly from Sofia to San Francisco?

    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.

  • How much should I expect to pay for a Sofia to San Francisco flight?

    Return flights from Sofia to San Francisco range from £681 to £820, with an average of £722 over the past 12 months. Anything below £681 counts as a good deal.

  • Have flight prices from Sofia to San Francisco changed much recently?

    Yes. Based on fares seen in the past 5 days, return flight prices on this route showed a wide range, from about £706 to £4,081. That means the highest observed fare was about 6x higher than the lowest one.

  • How are flight prices from Sofia to San Francisco looking right now?

    One-way fares from Sofia to San Francisco are currently lower than usual. Average one-way flight prices are about £661, which is 5% below the typical average for this route.

  • Which car hire options are available at San Francisco Airport (SFO)?

    San Francisco Airport (SFO) hosts 5 major car hire companies, with daily rates starting from around £47 for economy cars. Top options include:

    • Europcar
    • Thrifty
    • Dollar
    • Hertz
    • Fox

  • Which airports can I use when flying from Sofia to San Francisco?

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

  • Which airports do connecting flights from Sofia to San Francisco pass through?

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

    • Istanbul (IST) – 64% of one-stop connections
    • Munich Franz Josef Strauss (MUC) – 26% of one-stop connections
    • Warsaw Frederic Chopin (WAW) – 4% of one-stop connections
    • Zurich (ZRH) – 3% of one-stop connections

  • Can I save money by using flexible dates for flights from Sofia to San Francisco?

    Yes. Flexible dates can save you up to 17% on flights from Sofia to San Francisco. Monday is the cheapest departure day at £681 return on average, while Friday is the most expensive at £813, a difference of £132.

    KAYAK's flexible dates feature shows options up to three days before and after your selected dates, making it easier to compare nearby fares.

  • How much time can I save by choosing a different stopover airport from Sofia to San Francisco?

    Flying via Zurich (ZRH) gives the shortest average 1-stop total travel time of 14h 57m, compared to 15h 57m via Munich Franz Josef Strauss (MUC) and 16h 33m via Warsaw Frederic Chopin (WAW).

  • What is the time difference between Sofia and San Francisco?

    San Francisco is 9 hours behind Sofia (Pacific Time vs Eastern European Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in San Francisco?

    Some of the most popular sights in San Francisco are Union Square, Fisherman's Wharf, and Moscone Center. These are among the most viewed places in San Francisco on KAYAK.

Your guide to booking Sofia to San Francisco flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Monday departure and avoid flying on Friday. On this route, Monday flights average £681, about £132 less than Friday fares (16% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Sofia to San Francisco trip for February. Fares historically average £664 return in that month – typically £202 less than the most expensive month, which is August (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to San Francisco Airport.

    • Grand Hyatt At Sfo

More options for your flight from Sofia to San Francisco

Complete your trip to San Francisco with a hotel stay or car hire

Car hire in San Francisco
Hotels in San Francisco
Holidays in San Francisco