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Cheap flights from Sofia to San Francisco from £401

SOF — SFO
13 Oct — 20 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Sofia to San Francisco

Enter your travel dates to find the best prices.

Cheapest flights from Sofia to San Francisco

Mon 21/915:20 -
1 stop34h 35m
Thu 8/1017:55 -
1 stop34h 10m
Deal found 9/9£701
Tue 22/923:45 -
2 stops31h 05m
Thu 8/1016:10 -
1 stop15h 50m
Deal found 9/9£733
Tue 22/923:45 -
2 stops31h 05m
Mon 5/1021:05 -
1 stop16h 10m
Deal found 9/9£739
Tue 22/923:45 -
2 stops31h 05m
Wed 7/1014:40 -
1 stop22h 10m
Deal found 9/9£740
Tue 22/923:45 -
2 stops31h 05m
Sat 10/1020:30 -
1 stop17h 35m
Deal found 9/9£744
Sun 1/1119:45 -
1 stop29h 10m
Sat 14/1110:33 -
2 stops22h 02m
Deal found 8/9£751
Tue 22/914:10 -
1 stop32h 30m
Wed 7/1014:40 -
1 stop22h 10m
Deal found 9/9£762
Wed 23/905:45 -
2 stops25h 05m
Sat 10/1020:30 -
1 stop17h 35m
Deal found 9/9£765
Sun 1/1106:25 -
1 stop16h 10m
Sat 14/1113:40 -
1 stop23h 15m
Deal found 8/9£768
Thu 24/906:30 -
1 stop16h 10m
Thu 8/1013:55 -
1 stop23h 20m
Deal found 9/9£769

Find flight deals from Sofia to San Francisco

Round-trip from

£701

One-way from

£401

Popular in

October

Cheapest in

December

Average price

£772
23/9-8/10
  • 23/9-8/10
  • 2 total stops
  • 68h 45m total
  • Sofia to San Francisco
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22/10-31/12
  • 22/10-31/12
  • 1 total stop
  • 34h 40m total
  • Sofia to San Francisco
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (£29 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£11 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2026
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Sofia to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SofiaSan Francisco

SOF Sofia - SFO San Francisco

SOFSFO

Sofia

Thu 22/10

20:10-20:50

1 stop34h 40m

San Francisco

Wed 31/12

00:00-10:00

Nonstop0h 00m

£401
Fastest return journey

SofiaSan Francisco

SOF Sofia - SFO San Francisco

SOFSFO

Sofia

Mon 26/10

14:00-20:35

1 stop15h 35m

San Francisco

Wed 31/12

00:00-10:00

Nonstop0h 00m

£735

SofiaSan Francisco

SOF Sofia - SFO San Francisco

SOFSFO

Sofia

Sun 1/11

19:45-14:55

1 stop29h 10m

San Francisco

Sat 14/11

10:33-18:35

2 stops22h 02m

£751

SofiaSan Francisco

SOF Sofia - SFO San Francisco

SOFSFO

Sofia

Wed 3/2

21:05-14:55

1 stop27h 50m

San Francisco

Wed 17/2

17:00-19:20

2 stops40h 20m

£757

SofiaSan Francisco

SOF Sofia - SFO San Francisco

SOFSFO

Sofia

Sun 1/11

06:25-13:35

1 stop16h 10m

San Francisco

Sat 14/11

13:40-22:55

1 stop23h 15m

£768

SofiaSan Francisco

SOF Sofia - SFO San Francisco

SOFSFO

Sofia

Wed 23/9

06:20-12:40

1 stop16h 20m

San Francisco

Tue 6/10

13:50-18:40

2 stops18h 50m

£769

SofiaSan Francisco

SOF Sofia - SFO San Francisco

SOFSFO

Sofia

Thu 24/9

06:30-19:50

1 stop23h 20m

San Francisco

Thu 8/10

13:50-23:15

2 stops23h 25m

£769

SofiaSan Francisco

SOF Sofia - SFO San Francisco

SOFSFO

Sofia

Thu 24/9

06:30-12:40

1 stop16h 10m

San Francisco

Sat 10/10

12:45-18:40

2 stops19h 55m

£769

SofiaSan Francisco

SOF Sofia - SFO San Francisco

SOFSFO

Sofia

Wed 23/9

06:20-12:40

1 stop16h 20m

San Francisco

Thu 8/10

05:00-12:10

2 stops21h 10m

£769

SofiaSan Francisco

SOF Sofia - SFO San Francisco

SOFSFO

Sofia

Fri 25/9

06:10-19:00

1 stop22h 50m

San Francisco

Fri 9/10

21:05-23:15

1 stop16h 10m

£778

Flights are sorted by cheapest return flights first.

Deals found on 12/9

Sorted by cheapest first

Best time to book a flight from Sofia to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Sofia with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight from Sofia to San Francisco

What is the cheapest month to book a flight from Sofia to San Francisco?

Currently, December is the cheapest month in which you can book a flight from Sofia to San Francisco (average of £656). Flying from Sofia to San Francisco in October is currently the most expensive (average of £892). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost for a return flight from Sofia to San Francisco?

Airfare is typical for this route at the moment.

Sofia to San Francisco flights typically cost between £505 and £827 in September.
The cheapest return price found within the last 5 days was £701 on Multiple Airlines (23 Sept–6 Oct).

Related info for your journey

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

    Airlines like British Airways and United Airlines fly from Sofia to San Francisco in about 16h 10m. The time it takes to get you to your destination can typically vary by up to 13h. The distance from Sofia to San Francisco is about 6481 mi. This flight may include one or multiple stops.

  • Can I find deals for flights from Sofia to San Francisco that include hotel bookings?

    Yes. In addition to deals on Sofia to San Francisco flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Sofia to San Francisco?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sofia to San Francisco.

  • Can I find deals for business class flights from Sofia to San Francisco?

    Yes. Cheapflights offers flight deals from Sofia to San Francisco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Sofia to San Francisco?

    Currently, December is the cheapest month in which you can book a flight from Sofia to San Francisco (average of £656). Flying from Sofia to San Francisco in October is currently the most expensive (average of £892). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
San Bruno
Santa Cruz
Roseville
Newark
Bodega Bay
Sunnyvale
South San Francisco

Browse thousands of different options on Cheapflights for your next trip

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Cheapflights makes it easy to find Sofia to San Francisco flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Sofia to San Francisco?

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Can Cheapflights find flights from Sofia to San Francisco with no change fees?

Need flexible booking options for your flight to San Francisco from Sofia? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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