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$726+ Cheap flights from Bulgaria to San Francisco (SFO)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/23. Fares are subject to change and may not be available on all flights or dates of travel.
SOF — SFO
nov. 13 — nov. 201
jeu. 11/13
jeu. 11/20
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 octobre 14, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$667
(Connections by easyJet)

Popular in

January

Cheapest in

February

Average price

$948
Provider with most accurate pricing for Sofia-San Francisco flight deals.
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Provider most trusted by Cheapflights users for Sofia-San Francisco flights.
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From Bulgaria to San Francisco
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Highest demand for flights based on searches. 2% potential increase in price ($21 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($26 potential savings vs. average RT price).
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Average for round-trip flights in October 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 octobre 14, 2025.

This Connections by easyJet deal was found by Cheapflights users on 10/13. 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 Connections by easyJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/238:25 pmSOF - SFO
1 stop33h 45mMultiple Airlines
jeu. 1/87:55 pmSFO - SOF
1 stop37h 05mMultiple Airlines
Deal found 10/13$726
This Mytrip deal was found by Cheapflights users on 10/14. 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.
ven. 11/289:35 amSOF - SFO
2 stops20h 00mMultiple Airlines
ven. 12/511:20 amSFO - SOF
3 stops20h 35mMultiple Airlines
Deal found 10/14$832
This Kiwi.com deal was found by Cheapflights users on 10/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/152:20 pmSOF - SFO
1 stop15h 50mLufthansa
mer. 1/141:30 pmSFO - SOF
1 stop18h 50mLufthansa
Deal found 10/14$872
This British Airways deal was found by Cheapflights users on 10/13. 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.
mer. 12/39:00 pmSOF - SFO
2 stops31h 30mBritish Airways
ven. 2/610:29 pmSFO - SOF
2 stops28h 31mBritish Airways
Deal found 10/13$878
This Kiwi.com deal was found by Cheapflights users on 10/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 11/286:05 amSOF - SFO
1 stop23h 30mLufthansa
ven. 12/59:40 pmSFO - SOF
1 stop15h 05mLufthansa
Deal found 10/14$883
This Air France deal was found by Cheapflights users on 10/13. 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.
lun. 12/157:00 amSOF - SFO
2 stops21h 04mMultiple Airlines
mer. 1/147:00 amSFO - SOF
2 stops21h 05mMultiple Airlines
Deal found 10/13$886
This Cheapflightsfares deal was found by Cheapflights users on 10/13. 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.
sam. 12/132:25 pmSOF - SFO
1 stop15h 45mLufthansa
ven. 1/29:40 pmSFO - SOF
1 stop15h 05mLufthansa
Deal found 10/13$892
This Cheapflightsfares deal was found by Cheapflights users on 10/13. 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.
sam. 11/84:00 pmVAR - SFO
2 stops30h 40mLufthansa
sam. 11/151:35 pmSFO - VAR
1 stop17h 20mLufthansa
Deal found 10/13$946

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 octobre 14, 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

mar. 12/23

8:25 pm-8:10 pm

1 stop33h 45m

San Francisco

jeu. 1/8

7:55 pm-7:00 pm

1 stop37h 05m

$726

SofiaSan Francisco

SOF - SFO

SOFSFO

Sofia

lun. 12/15

6:10 am-12:40 pm

1 stop16h 30m

San Francisco

mer. 1/14

9:40 pm-10:45 pm

1 stop15h 05m

$874

SofiaSan Francisco

SOF - SFO

SOFSFO

Sofia

mer. 12/3

9:00 pm-6:30 pm

2 stops31h 30m

San Francisco

ven. 2/6

10:29 pm-1:00 pm

2 stops28h 31m

$878

SofiaSan Francisco

SOF - SFO

SOFSFO

Sofia

lun. 12/15

7:00 am-5:58 pm

2 stops20h 58m

San Francisco

mer. 1/14

3:40 pm-1:55 pm

1 stop36h 15m

$883

SofiaSan Francisco

SOF - SFO

SOFSFO

Sofia

ven. 11/28

6:05 am-7:35 pm

1 stop23h 30m

San Francisco

ven. 12/5

9:40 pm-10:45 pm

1 stop15h 05m

$883

SofiaSan Francisco

SOF - SFO

SOFSFO

Sofia

ven. 11/28

7:00 am-3:57 pm

2 stops18h 57m

San Francisco

ven. 12/5

7:15 am-1:55 pm

2 stops20h 40m

$887

SofiaSan Francisco

SOF - SFO

SOFSFO

Sofia

sam. 12/13

2:25 pm-8:10 pm

1 stop15h 45m

San Francisco

ven. 1/2

9:40 pm-10:45 pm

1 stop15h 05m

$892

SofiaSan Francisco

SOF - SFO

SOFSFO

Sofia

mer. 12/3

6:10 am-8:10 pm

1 stop24h 00m

San Francisco

ven. 2/6

9:25 pm-10:45 pm

1 stop15h 20m

$895

SofiaSan Francisco

SOF - SFO

SOFSFO

Sofia

mar. 12/23

6:00 am-3:55 pm

1 stop19h 55m

San Francisco

jeu. 1/8

8:25 am-1:50 pm

2 stops19h 25m

$902

VarnaSan Francisco

VAR - SFO

VARSFO

Varna

sam. 11/8

4:00 pm-12:40 pm

2 stops30h 40m

San Francisco

sam. 11/15

1:35 pm-4:55 pm

1 stop17h 20m

$946

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/13

Showing 1-10 of 18 results
1
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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, June is the cheapest month in which you can book a flight from Bulgaria to San Francisco (average of $462). Flying from Bulgaria to San Francisco in August is currently the most expensive (average of $951). 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 octobre 14, 2025.

It’s typically best to fly out from Bulgaria to San Francisco in the afternoon. Doing so could potentially save you 21% on the flight price compared to flying in the morning, which is usually more expensive.

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 octobre 14, 2025.
Peruse reviews from past customers who have flown with United Airlines, Turkish Airlines, and Lufthansa 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.
United Airlines
7.4
Good
8,977 reviews

Boarding

7.7

Comfort

7.3

Crew

8.1

Food

6.6

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
United Airlines
7.4
Good
8,977 reviews
United Airlines
7.4
Good
8,977 reviews

Boarding

7.7

Comfort

7.3

Crew

8.1

Food

6.6

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
Turkish Airlines
7.3
Good
4,010 reviews
United Airlines
7.4
Good
8,977 reviews

Boarding

7.7

Comfort

7.3

Crew

8.1

Food

6.6

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
Lufthansa
6.8
Okay
7,489 reviews
United Airlines
7.4
Good
8,977 reviews

Boarding

7.7

Comfort

7.3

Crew

8.1

Food

6.6

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

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.

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

    Airlines like Lufthansa, British Airways, and Austrian Airlines fly from Bulgaria to San Francisco in about 16h 30m. The time it takes to get you to your destination can typically vary by up to 23h 09m. Bulgaria and San Francisco are separated by a distance of 6481 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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, June is the cheapest month in which you can book a flight from Bulgaria to San Francisco (average of $462). Flying from Bulgaria to San Francisco in August is currently the most expensive (average of $951). 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
Santa Cruz
Livermore
South San Francisco
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Antioch
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Santa Clara
Manteca
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Vacaville
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San Mateo

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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 octobre 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$736Average$852FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$796Average$885FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$813Average$941FlexibilityNo cancel feeOn-time69%

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