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$466+ Cheap flights from Bulgaria 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 10/18. Fares are subject to change and may not be available on all flights or dates of travel.
SOF — SFO
Aug 4 — Aug 111
Mon 8/4
Mon 8/11
1 adult, Economy
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Cheap flight deals from Bulgaria to San Francisco

Keep the following information in mind while searching for Bulgaria to San Francisco flight deals. Data was last updated July 30, 2025.

Round-trip from

$770
(Justfly.com)

One-way from

$466
(Kiwi.com)

Popular in

January

Cheapest in

February

Average price

$1,036
From Bulgaria to San Francisco
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One-way flight from Bulgaria to San Francisco
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Highest demand for flights based on searches. 6% potential increase in price ($64 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 July 2025
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Find flight deals from Bulgaria to San Francisco

Cheapest flights from Bulgaria to San Francisco
Explore the most affordable flight options available from Bulgaria to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2025.

This Justfly.com deal was found by Cheapflights users on 7/30. 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 9/183:35 pmSOF - SFO
1 stop29h 00mTurkish Airlines
Wed 10/112:40 pmSFO - SOF
1 stop16h 05mTurkish Airlines
Deal found 7/30$770
This United Airlines deal was found by Cheapflights users on 7/29. 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.
Wed 9/246:15 amSOF - SFO
1 stop23h 40mUnited Airlines
Fri 10/311:56 pmSFO - SOF
2 stops26h 04mUnited Airlines
Deal found 7/29$816
This British Airways deal was found by Cheapflights users on 7/29. 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.
Sun 12/72:30 pmSOF - SFO
1 stop34h 30mBritish Airways
Wed 1/2111:59 pmSFO - SOF
2 stops49h 16mBritish Airways
Deal found 7/29$817
This Air Canada deal was found by Cheapflights users on 7/29. 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.
Tue 12/96:00 amSOF - SFO
2 stops43h 15mAir Canada
Mon 1/191:20 pmSFO - SOF
2 stops43h 00mAir Canada
Deal found 7/29$830
This Mytrip deal was found by Cheapflights users on 7/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/241:35 pmSOF - SFO
2 stops34h 55mMultiple Airlines
Fri 10/37:10 amSFO - SOF
3 stops31h 40mMultiple Airlines
Deal found 7/29$845
This Lufthansa deal was found by Cheapflights users on 7/29. 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 9/186:00 amSOF - SFO
2 stops16h 40mLufthansa
Wed 10/11:02 pmSFO - SOF
2 stops18h 48mLufthansa
Deal found 7/29$852
This Mytrip deal was found by Cheapflights users on 7/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/134:30 amVAR - SFO
3 stops25h 21mMultiple Airlines
Sat 9/208:30 amSFO - VAR
3 stops33h 00mMultiple Airlines
Deal found 7/30$1,056
This oojo deal was found by Cheapflights users on 7/30. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1310:10 pmVAR - SFO
1 stop22h 25mTurkish Airlines
Sat 9/2012:40 pmSFO - VAR
1 stop28h 05mTurkish Airlines
Deal found 7/30$1,067
This Air France deal was found by Cheapflights users on 7/30. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/137:05 pmVAR - SFO
2 stops33h 10mAir France
Sat 9/201:45 pmSFO - VAR
2 stops39h 45mAir France
Deal found 7/30$1,079

Cheapflights Fare Finder

 
Customize your flight search to find flights from Bulgaria 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 July 30, 2025.
Use the filters below to find and compare flights from Bulgaria to San Francisco that are best for you.

Fly from

Bulgaria

Fly to

San Francisco

Route

Depart

Return

Price

SofiaSan Francisco

SOF - SFO

SOFSFO

Sofia

Thu 9/18

3:35 pm-10:35 am

1 stop29h 00m

San Francisco

Wed 10/1

12:40 pm-2:45 pm

1 stop16h 05m

$770

SofiaSan Francisco

SOF - SFO

SOFSFO

Sofia

Wed 9/24

6:15 am-12:10 pm

2 stops39h 55m

San Francisco

Fri 10/3

11:56 pm-12:00 pm

2 stops26h 04m

$816

SofiaSan Francisco

SOF - SFO

SOFSFO

Sofia

Sun 12/7

2:30 pm-3:00 pm

1 stop34h 30m

San Francisco

Wed 1/21

11:59 pm-11:15 am

2 stops49h 16m

$817

SofiaSan Francisco

SOF - SFO

SOFSFO

Sofia

Tue 12/9

6:00 am-3:15 pm

2 stops43h 15m

San Francisco

Mon 1/19

1:20 pm-6:20 pm

2 stops43h 00m

$830

SofiaSan Francisco

SOF - SFO

SOFSFO

Sofia

Wed 9/24

1:35 pm-2:30 pm

2 stops34h 55m

San Francisco

Fri 10/3

7:10 am-12:50 am

3 stops31h 40m

$845

SofiaSan Francisco

SOF - SFO

SOFSFO

Sofia

Thu 9/18

6:00 am-12:40 pm

2 stops16h 40m

San Francisco

Wed 10/1

1:02 pm-5:50 pm

2 stops18h 48m

$852

VarnaSan Francisco

VAR - SFO

VARSFO

Varna

Sat 9/13

4:30 am-7:51 pm

3 stops25h 21m

San Francisco

Sat 9/20

8:30 am-3:30 am

3 stops33h 00m

$1,056

VarnaSan Francisco

VAR - SFO

VARSFO

Varna

Sat 9/13

10:10 pm-10:35 am

1 stop22h 25m

San Francisco

Sat 9/20

12:40 pm-2:45 am

1 stop28h 05m

$1,067

VarnaSan Francisco

VAR - SFO

VARSFO

Varna

Sat 9/13

7:05 pm-6:15 pm

2 stops33h 10m

San Francisco

Sat 9/20

1:45 pm-3:30 pm

2 stops39h 45m

$1,079

SofiaSan Francisco

SOF - SFO

SOFSFO

Sofia

Sat 10/18

5:00 am-6:10 pm

2 stops23h 10m

$466

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Showing 1-10 of 22 results
1
2
3

Best time to book a flight from Bulgaria to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Bulgaria 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 Bulgaria to San Francisco

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

Currently, January is the cheapest month in which you can book a flight from Bulgaria to San Francisco (average of $276). Flying from Bulgaria to San Francisco in June is currently the most expensive (average of $358). 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 BG to SFO?

Find hourly flight availability from Bulgaria 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 July 30, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Bulgaria to San Francisco as you normally would.

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 July 30, 2025.
Peruse reviews from past customers who have flown with KLM, Austrian Airlines, and Air France from Bulgaria to San Francisco to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,383 reviews

Boarding

7.8

Comfort

7.7

Crew

8.4

Overall

7.8

Food

7.3

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
KLM
7.8
Good
1,383 reviews
KLM
7.8
Good
1,383 reviews

Boarding

7.8

Comfort

7.7

Crew

8.4

Overall

7.8

Food

7.3

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Austrian Airlines
7.6
Good
823 reviews
KLM
7.8
Good
1,383 reviews

Boarding

7.8

Comfort

7.7

Crew

8.4

Overall

7.8

Food

7.3

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Air France
7.5
Good
1,465 reviews
KLM
7.8
Good
1,383 reviews

Boarding

7.8

Comfort

7.7

Crew

8.4

Overall

7.8

Food

7.3

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
SWISS
7.5
Good
1,686 reviews
KLM
7.8
Good
1,383 reviews

Boarding

7.8

Comfort

7.7

Crew

8.4

Overall

7.8

Food

7.3

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Qatar Airways
7.4
Good
3,607 reviews
KLM
7.8
Good
1,383 reviews

Boarding

7.8

Comfort

7.7

Crew

8.4

Overall

7.8

Food

7.3

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Related info for your journey

Find useful and relevant information for your journey from Bulgaria 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 airport do you fly into for flights to San Francisco from Bulgaria?

    Most people fly into San Francisco (SFO) if they book a flight to San Francisco from Bulgaria. San Francisco is conveniently located just 11.8 mi from San Francisco’s city center.

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

    $688 is the cheapest one-way deal found within the past few days, from Air Serbia. You may also be able to find cheap deals on Lufthansa and Qatar Airways, with prices starting from $733 and $795, respectively.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Bulgaria 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 Bulgaria to San Francisco?

    Currently, January is the cheapest month in which you can book a flight from Bulgaria to San Francisco (average of $276). Flying from Bulgaria to San Francisco in June is currently the most expensive (average of $358). 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 San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Roseville
Mountain View
Santa Cruz
South San Francisco
Livermore
Turlock
Manteca
Antioch
Hollister
Watsonville
Sunnyvale
Newark
Milpitas
Campbell
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Santa Clara
San Leandro
Burlingame
Redwood City

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Alternative routes for Bulgaria to San Francisco

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Top 3 airlines flying from Bulgaria to San Francisco

Discover the top 3 airlines that operate flights from Bulgaria 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 July 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$773Average$1,017FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$796Average$909FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$816Average$922FlexibilityNo cancel feeOn-time69%

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