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$590+ Cheap flights from Sofia (SOF) to San Francisco (SFO)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/22. Fares are subject to change and may not be available on all flights or dates of travel.
SOF — SFO
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Sofia to San Francisco are usually found in February or March, booked 49 days in advance, depart on a Saturday or Thursday and return on a Thursday

Cheap flight deals from Sofia to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Sofia (SOF) to San Francisco (SFO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 12, 2025.

Round-trip from

$785
(British Airways)

One-way from

$590
(Connections by easyJet)

Popular in

January

Cheapest in

February

Average price

$879
From Sofia to San Francisco
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One-way flight from Sofia to San Francisco
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Highest demand for flights based on searches. 6% potential increase in price ($65 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($41 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Sofia to San Francisco

Cheapest flights from Sofia to San Francisco
Explore the most affordable flight options available from Sofia to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This British Airways deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/122:20 pmSOF - SFO
2 stops29h 04mBritish Airways
Wed 9/2410:43 pmSFO - SOF
2 stops28h 47mBritish Airways
Deal found 6/10$785
This Justfly.com deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/263:35 pmSOF - SFO
1 stop29h 00mTurkish Airlines
Sat 7/126:45 pmSFO - SOF
1 stop27h 50mTurkish Airlines
Deal found 6/10$841
This Gotogate deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/166:00 amSOF - SFO
1 stop16h 35mLufthansa
Tue 1/69:40 pmSFO - SOF
1 stop15h 05mLufthansa
Deal found 6/10$854
This United Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/266:15 amSOF - SFO
1 stop23h 35mUnited Airlines
Thu 7/102:00 pmSFO - SOF
1 stop23h 00mUnited Airlines
Deal found 6/11$858
This Gotogate deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/11:15 pmSOF - SFO
1 stop36h 55mMultiple Airlines
Tue 7/228:40 amSFO - SOF
2 stops17h 20mMultiple Airlines
Deal found 6/12$893
This Air Canada deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/266:15 amSOF - SFO
2 stops23h 25mAir Canada
Thu 7/108:36 amSFO - SOF
2 stops23h 14mAir Canada
Deal found 6/11$917
This KAYAK deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/105:20 amSOF - SFO
2 stops30h 23mLOT
Tue 7/1510:30 pmSFO - SOF
2 stops33h 25mLOT
Deal found 6/10$931
This Gotogate deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/151:15 pmSOF - SFO
1 stop36h 55mSWISS
Sat 7/197:30 pmSFO - SOF
2 stops30h 30mSWISS
Deal found 6/9$1,180
This Gotogate deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/156:55 pmSOF - SFO
2 stops34h 05mAustrian Airlines
Sat 7/199:05 pmSFO - SOF
2 stops16h 50mAustrian Airlines
Deal found 6/9$1,189
This KAYAK deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/107:00 amSOF - SFO
2 stops20h 42mITA Airways
Tue 7/153:15 pmSFO - SOF
1 stop34h 55mITA Airways
Deal found 6/10$1,216
This Qatar Airways deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/261:30 pmSOF - SFO
1 stop34h 05mQatar Airways
Thu 7/103:55 pmSFO - SOF
1 stop34h 35mQatar Airways
Deal found 6/11$1,287

Cheapflights Fare Finder

Customize your flight search to find flights from Sofia to San Francisco that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
Use the filters below to find and compare flights from Sofia to San Francisco that are best for you.

Fly from

Sofia

Fly to

San Francisco

Route

Depart

Return

Price

SofiaSan Francisco

SOF - SFO

SOFSFO

Sofia

Fri 9/12

2:20 pm-9:24 am

2 stops29h 04m

San Francisco

Wed 9/24

10:43 pm-1:30 pm

2 stops28h 47m

$785

SofiaSan Francisco

SOF - SFO

SOFSFO

Sofia

Thu 6/26

3:35 pm-10:35 am

1 stop29h 00m

San Francisco

Sat 7/12

6:45 pm-8:35 am

1 stop27h 50m

$841

SofiaSan Francisco

SOF - SFO

SOFSFO

Sofia

Thu 6/26

6:15 am-7:50 pm

1 stop23h 35m

San Francisco

Thu 7/10

2:00 pm-11:00 pm

1 stop23h 00m

$858

SofiaSan Francisco

SOF - SFO

SOFSFO

Sofia

Fri 9/12

12:00 pm-7:55 pm

1 stop17h 55m

San Francisco

Wed 9/24

7:00 am-1:15 pm

2 stops20h 15m

$863

SofiaSan Francisco

SOF - SFO

SOFSFO

Sofia

Tue 7/1

1:15 pm-4:10 pm

1 stop36h 55m

San Francisco

Tue 7/22

8:40 am-12:00 pm

2 stops17h 20m

$893

SofiaSan Francisco

SOF - SFO

SOFSFO

Sofia

Thu 6/26

6:15 am-7:40 pm

2 stops23h 25m

San Francisco

Thu 7/10

8:36 am-5:50 pm

2 stops23h 14m

$917

SofiaSan Francisco

SOF - SFO

SOFSFO

Sofia

Thu 7/10

5:20 am-1:43 am

2 stops30h 23m

San Francisco

Tue 7/15

10:30 pm-5:55 pm

2 stops33h 25m

$931

SofiaSan Francisco

SOF - SFO

SOFSFO

Sofia

Tue 7/15

1:15 pm-4:10 pm

1 stop36h 55m

San Francisco

Sat 7/19

7:30 pm-12:00 pm

2 stops30h 30m

$1,180

SofiaSan Francisco

SOF - SFO

SOFSFO

Sofia

Tue 7/15

6:55 pm-7:00 pm

2 stops34h 05m

San Francisco

Sat 7/19

9:05 pm-11:55 pm

2 stops16h 50m

$1,189

SofiaSan Francisco

SOF - SFO

SOFSFO

Sofia

Thu 7/10

7:00 am-5:42 pm

2 stops20h 42m

San Francisco

Tue 7/15

3:15 pm-12:10 pm

1 stop34h 55m

$1,216

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 18 results
1
2

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 round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

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

How far ahead should I book a flight from Sofia to San Francisco?

Use this chart to determine the optimal time to book a round-trip flight from Sofia to San Francisco. Price data was last updated on June 9, 2025.

The best time to book flights from Sofia to San Francisco is 49 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, January is the cheapest month in which you can book a flight from Sofia to San Francisco (average of $276). Flying from Sofia to San Francisco in June is currently the most expensive (average of $364). 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.

What is the cheapest time of day to fly from SOF to SFO?

Find hourly flight availability from Sofia to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

It’s optimal to fly from Sofia to San Francisco in the afternoon. By choosing this option you can save up to 9% on the cost of your flight, compared to a flight in the morning.

Rainfall in San Francisco by month

Plan your trip to San Francisco by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 4.4 inches per month. January is typically the wettest month, when rainfall can reach 4.4 in. July is typically the driest time to visit San Francisco when rainfall is around 0.0 in.

Temperature in San Francisco by month

Plan your trip to San Francisco by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Francisco, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing San Francisco

Get insights into the airlines that provide service to San Francisco. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Francisco. Reviews last updated June 12, 2025.
LOT
7.6
Good
1,077 reviews

Crew

8.2

Overall

7.6

Boarding

7.6

Comfort

7.5

Food

7.2

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Tomasz,Jan 2025

JFK - WAW

The food this time was delicious. Pasta meal with mushroom sauce, cobb salad, and real metal utensils.
LOT
7.6
Good
1,077 reviews
LOT
7.6
Good
1,077 reviews

Crew

8.2

Overall

7.6

Boarding

7.6

Comfort

7.5

Food

7.2

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Tomasz,Jan 2025

JFK - WAW

The food this time was delicious. Pasta meal with mushroom sauce, cobb salad, and real metal utensils.
Austrian Airlines
7.6
Good
802 reviews
LOT
7.6
Good
1,077 reviews

Crew

8.2

Overall

7.6

Boarding

7.6

Comfort

7.5

Food

7.2

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Tomasz,Jan 2025

JFK - WAW

The food this time was delicious. Pasta meal with mushroom sauce, cobb salad, and real metal utensils.
SWISS
7.5
Good
1,623 reviews
LOT
7.6
Good
1,077 reviews

Crew

8.2

Overall

7.6

Boarding

7.6

Comfort

7.5

Food

7.2

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Tomasz,Jan 2025

JFK - WAW

The food this time was delicious. Pasta meal with mushroom sauce, cobb salad, and real metal utensils.
Qatar Airways
7.4
Good
3,584 reviews
LOT
7.6
Good
1,077 reviews

Crew

8.2

Overall

7.6

Boarding

7.6

Comfort

7.5

Food

7.2

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Tomasz,Jan 2025

JFK - WAW

The food this time was delicious. Pasta meal with mushroom sauce, cobb salad, and real metal utensils.
United Airlines
7.4
Good
8,790 reviews
LOT
7.6
Good
1,077 reviews

Crew

8.2

Overall

7.6

Boarding

7.6

Comfort

7.5

Food

7.2

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Tomasz,Jan 2025

JFK - WAW

The food this time was delicious. Pasta meal with mushroom sauce, cobb salad, and real metal utensils.

Related info for your journey

Find useful and relevant information for your journey from Sofia to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Sofia to San Francisco round-trip?

    According to our current data, British Airways ($785), Turkish Airlines ($841), and United Airlines ($858) offers the cheapest pricing from Sofia to San Francisco. Users have found that British Airways is 17% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Sofia to San Francisco one-way?

    To fly one-way, consider booking your trip with Lufthansa, which is currently one of the cheapest options available, starting at $842. Turkish Airlines flights start at $843 while deals on Austrian Airlines start at $870 one-way.

  • 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 vacation 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, January is the cheapest month in which you can book a flight from Sofia to San Francisco (average of $276). Flying from Sofia to San Francisco in June is currently the most expensive (average of $364). 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

Traveling to a place near Sofia?

Book flights to Sofia if you plan to visit one of these locations
Roseville
Mountain View
South San Francisco
Livermore
Turlock
Santa Cruz
Manteca
Fairfield
Watsonville
Antioch
Hollister
Milpitas
Newark
Hayward
Alameda
Sunnyvale
Daly City
Union City
Campbell
Capitola

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Sofia to San Francisco

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Sofia to San Francisco

Discover the top 3 airlines that operate flights from Sofia to San Francisco. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$737Average$896FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$796Average$922FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$820Average$916FlexibilityNo cancel feeOn-time69%

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