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$415+ 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 4/28. Fares are subject to change and may not be available on all flights or dates of travel.
SOF — SFO
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
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 April 17, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$776
(American Airlines)

One-way from

$415
(Kiwi.com)

Popular in

January

Cheapest in

February

Average price

$878
Provider with most accurate pricing for Sofia-San Francisco flight deals.
Search Deals
Provider most trusted by Cheapflights users for Sofia-San Francisco flights.
Search Deals
From Sofia to San Francisco
Search Deals
One-way flight from Sofia to San Francisco
Search Deals
Highest demand for flights based on searches. 0% potential increase in price ($5 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($23 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 17, 2025.

This American Airlines deal was found by Cheapflights users on 4/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/19:10 pmSOF - SFO
1 stop26h 40mAmerican Airlines
Sun 6/81:17 pmSFO - SOF
2 stops19h 53mAmerican Airlines
Deal found 4/17$776
This United Airlines deal was found by Cheapflights users on 4/17. 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.
Sun 6/18:00 amSOF - SFO
2 stops33h 38mUnited Airlines
Sun 6/811:55 pmSFO - SOF
2 stops36h 55mUnited Airlines
Deal found 4/17$903
This Cheapflightsfares deal was found by Cheapflights users on 4/17. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/19:10 pmSOF - SFO
1 stop26h 40mBritish Airways
Sun 6/154:35 pmSFO - SOF
1 stop16h 35mBritish Airways
Deal found 4/17$943
This KLM deal was found by Cheapflights users on 4/17. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/17:00 amSOF - SFO
1 stop21h 15mMultiple Airlines
Sun 6/157:00 amSFO - SOF
2 stops21h 00mMultiple Airlines
Deal found 4/17$1,003
This Turkish Airlines deal was found by Cheapflights users on 4/17. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/213:35 pmSOF - SFO
1 stop35h 05mTurkish Airlines
Wed 5/76:45 pmSFO - SOF
1 stop34h 00mTurkish Airlines
Deal found 4/17$2,906
This Air Canada deal was found by Cheapflights users on 4/17. 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.
Fri 4/256:15 amSOF - SFO
2 stops39h 55mAir Canada
Mon 5/58:29 amSFO - SOF
2 stops24h 11mAir Canada
Deal found 4/17$2,928
This ITA Airways deal was found by Cheapflights users on 4/17. 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 ITA Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/247:20 amSOF - SFO
1 stop15h 55mITA Airways
Mon 5/510:30 pmSFO - SOF
2 stops32h 40mITA Airways
Deal found 4/17$3,031
This lol.travel deal was found by Cheapflights users on 4/17. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2310:50 amSOF - SFO
1 stop15h 20mSWISS
Mon 5/57:30 pmSFO - SOF
1 stop28h 35mSWISS
Deal found 4/17$3,337
This Lufthansa deal was found by Cheapflights users on 4/17. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/246:00 amSOF - SFO
1 stop18h 35mLufthansa
Wed 5/73:55 pmSFO - SOF
2 stops20h 55mLufthansa
Deal found 4/17$3,463
This KLM deal was found by Cheapflights users on 4/17. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/227:00 amSOF - SFO
2 stops22h 57mKLM
Tue 5/61:45 pmSFO - SOF
1 stop14h 15mKLM
Deal found 4/17$3,618

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 April 17, 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

Sun 6/1

9:10 pm-1:50 pm

1 stop26h 40m

San Francisco

Sun 6/8

1:17 pm-7:10 pm

2 stops19h 53m

$776

SofiaSan Francisco

SOF - SFO

SOFSFO

Sofia

Sun 6/1

8:00 am-7:38 am

2 stops33h 38m

San Francisco

Sun 6/8

11:55 pm-10:50 pm

2 stops36h 55m

$903

SofiaSan Francisco

SOF - SFO

SOFSFO

Sofia

Sun 6/1

9:10 pm-1:50 pm

1 stop26h 40m

San Francisco

Sun 6/15

4:35 pm-7:10 pm

1 stop16h 35m

$943

SofiaSan Francisco

SOF - SFO

SOFSFO

Sofia

Sun 6/1

7:00 am-6:15 pm

1 stop21h 15m

San Francisco

Sun 6/15

7:00 am-2:00 pm

2 stops21h 00m

$1,003

SofiaSan Francisco

SOF - SFO

SOFSFO

Sofia

Mon 4/28

9:15 pm-12:45 pm

3 stops49h 30m

$415

SofiaSan Francisco

SOF - SFO

SOFSFO

Sofia

Sun 7/20

7:00 am-6:15 pm

1 stop21h 15m

$813

SofiaSan Francisco

SOF - SFO

SOFSFO

Sofia

Wed 4/23

12:45 pm-7:00 pm

1 stop16h 15m

$840

SofiaSan Francisco

SOF - SFO

SOFSFO

Sofia

Sat 4/26

10:50 am-4:10 pm

1 stop15h 20m

$884

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/16

Compare providers for flights from Sofia to San Francisco

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Sofia to San Francisco in April.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Sofia-San Francisco flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Sofia-San Francisco flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Sofia-San Francisco flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Sofia-San Francisco flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Sofia-San Francisco flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 April 11, 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 $393). 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 April 17, 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 April 17, 2025.
Read through reviews of airlines operating flights from Sofia to San Francisco, such as Air France, SWISS and United Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air France
7.5
Good
1,435 reviews

Entertainment

7.0

Boarding

7.4

Comfort

7.4

Overall

7.5

Crew

8.2

Food

7.0

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2025

SGN - CDG

Staff attentive, would have liked a covering on the seats for sleeping (as Vietnam airways did - and others) ‘duvet’ cover very light- needed but heavier. Food not great, scallop did not smell right, chicken over cooked.
Air France
7.5
Good
1,435 reviews
Air France
7.5
Good
1,435 reviews

Entertainment

7.0

Boarding

7.4

Comfort

7.4

Overall

7.5

Crew

8.2

Food

7.0

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2025

SGN - CDG

Staff attentive, would have liked a covering on the seats for sleeping (as Vietnam airways did - and others) ‘duvet’ cover very light- needed but heavier. Food not great, scallop did not smell right, chicken over cooked.
SWISS
7.5
Good
1,580 reviews
Air France
7.5
Good
1,435 reviews

Entertainment

7.0

Boarding

7.4

Comfort

7.4

Overall

7.5

Crew

8.2

Food

7.0

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2025

SGN - CDG

Staff attentive, would have liked a covering on the seats for sleeping (as Vietnam airways did - and others) ‘duvet’ cover very light- needed but heavier. Food not great, scallop did not smell right, chicken over cooked.
United Airlines
7.4
Good
8,667 reviews
Air France
7.5
Good
1,435 reviews

Entertainment

7.0

Boarding

7.4

Comfort

7.4

Overall

7.5

Crew

8.2

Food

7.0

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2025

SGN - CDG

Staff attentive, would have liked a covering on the seats for sleeping (as Vietnam airways did - and others) ‘duvet’ cover very light- needed but heavier. Food not great, scallop did not smell right, chicken over cooked.
American Airlines
7.2
Good
10,000 reviews
Air France
7.5
Good
1,435 reviews

Entertainment

7.0

Boarding

7.4

Comfort

7.4

Overall

7.5

Crew

8.2

Food

7.0

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2025

SGN - CDG

Staff attentive, would have liked a covering on the seats for sleeping (as Vietnam airways did - and others) ‘duvet’ cover very light- needed but heavier. Food not great, scallop did not smell right, chicken over cooked.
Lufthansa
6.7
Okay
7,012 reviews
Air France
7.5
Good
1,435 reviews

Entertainment

7.0

Boarding

7.4

Comfort

7.4

Overall

7.5

Crew

8.2

Food

7.0

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2025

SGN - CDG

Staff attentive, would have liked a covering on the seats for sleeping (as Vietnam airways did - and others) ‘duvet’ cover very light- needed but heavier. Food not great, scallop did not smell right, chicken over cooked.

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, American Airlines ($776), United Airlines ($903), and British Airways ($943) offers the cheapest pricing from Sofia to San Francisco. Users have found that American Airlines 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 Air France, which is currently one of the cheapest options available, starting at $813. Lufthansa flights start at $840 while deals on SWISS start at $884 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 $393). 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
Santa Cruz
Turlock
South San Francisco
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Richmond
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Milpitas
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Alternative routes for Sofia to San Francisco

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Top 4 airlines flying from Sofia to San Francisco

Discover the top 4 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 April 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$622Average$737FlexibilityNo cancel feeOn-time70%
Turkish AirlinesCheapest$737Average$894FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$799Average$952FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$820Average$932FlexibilityNo cancel feeOn-time69%

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