How long does it take to fly to San Francisco?

Flight times from Bulgaria to San Francisco vary, but if you’re flying out of Sofia and flying into San Francisco (one of the most popular routes), then the duration is 16h 20m on average. Another popular route from Bulgaria to San Francisco is flying from Varna to San Francisco, which will take roughly 28h 35m. Keep in mind that layovers or delays could extend your travel time.

What airlines fly to San Francisco?

Turkish Airlines, Lufthansa and United Airlines are the top three most popular airlines that fly to San Francisco from Bulgaria according to our data. Turkish Airlines is the first choice among our users, with 50% of people opting to fly with this airline when traveling to San Francisco. Keep in mind that there are 3 different airlines that fly to San Francisco on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Bulgaria to San Francisco?

Lufthansa is the most popular carrier operating from Bulgaria to San Francisco

When did momondo last update prices for flights from Bulgaria to San Francisco Airport?

Prices for flights from Bulgaria to San Francisco Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Bulgaria to San Francisco Airport?

The number of operators available for flights from Bulgaria to San Francisco Airport is 3 as of January 2026.

How old do you have to be to fly from Bulgaria to San Francisco Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Bulgaria to San Francisco Airport.

What documentation or ID do you need to fly to San Francisco Airport?

The travel and health documents you'll need for your trip to San Francisco Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San Francisco Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$403 Cheap Flights from Bulgaria to San Francisco in 2026

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4:45 pm - 10:17 am

SOF

SFO

50h 32m2 stops

9:05 pm - 11:10 pm

SFO

SOF

16h 05m1 stop

$618Multiple Airlines

seg, mar 16 - ter, abr 21

4:45 pm - 10:17 am

SOF

SFO

50h 32m2 stops

9:05 pm - 11:10 pm

SFO

SOF

16h 05m1 stop

$619Multiple Airlines

seg, mar 16 - qua, abr 22

4:50 pm - 3:45 pm

SOF

SFO

31h 55m2 stops

9:05 pm - 11:10 pm

SFO

SOF

16h 05m1 stop

$655Multiple Airlines

sex, mar 20 - ter, abr 21

4:50 pm - 3:45 pm

SOF

SFO

31h 55m2 stops

9:05 pm - 11:10 pm

SFO

SOF

16h 05m1 stop

$658Multiple Airlines

sex, mar 13 - ter, abr 21

4:50 pm - 3:45 pm

SOF

SFO

31h 55m2 stops

9:05 pm - 11:10 pm

SFO

SOF

16h 05m1 stop

$659Multiple Airlines

sex, mar 13 - qua, abr 22

4:45 pm - 3:35 pm

SOF

SFO

31h 50m2 stops

9:05 pm - 11:10 pm

SFO

SOF

16h 05m1 stop

$663Multiple Airlines

dom, mar 22 - ter, abr 21

4:45 pm - 3:35 pm

SOF

SFO

31h 50m2 stops

9:05 pm - 11:10 pm

SFO

SOF

16h 05m1 stop

$664Multiple Airlines

dom, mar 22 - qua, abr 22

5:25 pm - 3:35 pm

SOF

SFO

31h 10m2 stops

9:05 pm - 11:10 pm

SFO

SOF

16h 05m1 stop

$665Multiple Airlines

dom, mar 15 - ter, abr 21

5:25 pm - 3:35 pm

SOF

SFO

31h 10m2 stops

9:05 pm - 11:10 pm

SFO

SOF

16h 05m1 stop

$666Multiple Airlines

dom, mar 15 - qua, abr 22

4:45 pm - 5:05 pm

SOF

SFO

33h 20m2 stops

9:05 pm - 11:10 pm

SFO

SOF

16h 05m1 stop

$674Multiple Airlines

qui, mar 19 - ter, abr 21

United Airlines flights from Bulgaria to San Francisco

Our best United Airlines deals on Bulgaria to San Francisco flight tickets

United Airlines

Jan 17

SOF6:05 amSofia

23h 30m

1 stop

SFO7:35 pmSan Francisco

Jan 24

SFO9:25 pmSan Francisco

15h 20m

1 stop

SOF10:45 pmSofia

$938

United Airlines

Jan 14

SOF2:00 pmSofia

15h 35m

1 stop

SFO7:35 pmSan Francisco

Jan 21

SFO9:25 pmSan Francisco

15h 20m

1 stop

SOF10:45 pmSofia

$965

United Airlines

Jan 22

SOF6:05 amSofia

23h 30m

1 stop

SFO7:35 pmSan Francisco

Feb 10

SFO6:25 amSan Francisco

25h 55m

2 stops

SOF6:20 pmSofia

$3,354

Turkish Airlines flights from Bulgaria to San Francisco

Our best Turkish Airlines deals on Bulgaria to San Francisco flight tickets

Turkish Airlines

May 1

SOF9:35 amSofia

17h 05m

1 stop

SFO4:40 pmSan Francisco

May 10

SFO6:45 pmSan Francisco

15h 30m

1 stop

SOF8:15 pmSofia

$804

Turkish Airlines

Jan 22

SOF4:00 pmSofia

34h 45m

1 stop

SFO4:45 pmSan Francisco

Jan 26

SFO6:50 pmSan Francisco

16h 00m

1 stop

SOF8:50 pmSofia

$1,233

Turkish Airlines

Jan 21

SOF4:00 pmSofia

34h 45m

1 stop

SFO4:45 pmSan Francisco

Feb 8

SFO6:50 pmSan Francisco

16h 00m

1 stop

SOF8:50 pmSofia

$3,024

Fly from

Fly to

Route

Depart

Return

Price

SofiaSan Francisco

SOF - SFO

SOFSFO

Sofia

seg 3/16

4:45 pm-10:17 am

2 stops50h 32m

San Francisco

ter 4/21

9:05 pm-11:10 pm

1 stop16h 05m

$618

SofiaSan Francisco

SOF - SFO

SOFSFO

Sofia

seg 3/16

4:45 pm-10:17 am

2 stops50h 32m

San Francisco

qua 4/22

9:05 pm-11:10 pm

1 stop16h 05m

$619

SofiaSan Francisco

SOF - SFO

SOFSFO

Sofia

sex 3/20

4:50 pm-3:45 pm

2 stops31h 55m

San Francisco

ter 4/21

9:05 pm-11:10 pm

1 stop16h 05m

$655

SofiaSan Francisco

SOF - SFO

SOFSFO

Sofia

sex 3/13

4:50 pm-3:45 pm

2 stops31h 55m

San Francisco

ter 4/21

9:05 pm-11:10 pm

1 stop16h 05m

$658

SofiaSan Francisco

SOF - SFO

SOFSFO

Sofia

sex 3/13

4:50 pm-3:45 pm

2 stops31h 55m

San Francisco

qua 4/22

9:05 pm-11:10 pm

1 stop16h 05m

$659

SofiaSan Francisco

SOF - SFO

SOFSFO

Sofia

dom 3/22

4:45 pm-3:35 pm

2 stops31h 50m

San Francisco

ter 4/21

9:05 pm-11:10 pm

1 stop16h 05m

$663

SofiaSan Francisco

SOF - SFO

SOFSFO

Sofia

dom 3/22

4:45 pm-3:35 pm

2 stops31h 50m

San Francisco

qua 4/22

9:05 pm-11:10 pm

1 stop16h 05m

$664

SofiaSan Francisco

SOF - SFO

SOFSFO

Sofia

dom 3/15

5:25 pm-3:35 pm

2 stops31h 10m

San Francisco

ter 4/21

9:05 pm-11:10 pm

1 stop16h 05m

$665

SofiaSan Francisco

SOF - SFO

SOFSFO

Sofia

dom 3/15

5:25 pm-3:35 pm

2 stops31h 10m

San Francisco

qua 4/22

9:05 pm-11:10 pm

1 stop16h 05m

$666

SofiaSan Francisco

SOF - SFO

SOFSFO

Sofia

qui 3/19

4:45 pm-5:05 pm

2 stops33h 20m

San Francisco

ter 4/21

9:05 pm-11:10 pm

1 stop16h 05m

$674

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Bulgaria to San Francisco

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to San Francisco?

If you aren’t able to travel to San Francisco during the month of September, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $854.

How far in advance should I book a flight to San Francisco?

You are more likely to see cheaper flights to San Francisco from Bulgaria when booking weeks ahead of your departure date. In general, you can expect to find flights to San Francisco for around $921 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Francisco from Bulgaria for as low as $753 on momondo.

Can stopping save me money on Bulgaria to San Francisco flights?

You could potentially save up to 18% on your flight if you consider stops on a Bulgaria to San Francisco flight.

Cheap Bulgaria to San Francisco flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Bulgaria to San Francisco

Fastest flight time	16h 20m
Direct flights	None

The fastest flight from Bulgaria to San Francisco takes 16h 20m

There are no direct flights from Bulgaria to San Francisco. There are no popular flight routes from Bulgaria to San Francisco.

Search flight deals

When did momondo last update prices for flights from Bulgaria to San Francisco Airport?
Prices for flights from Bulgaria to San Francisco Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Bulgaria to San Francisco Airport?
The number of operators available for flights from Bulgaria to San Francisco Airport is 3 as of January 2026.
How old do you have to be to fly from Bulgaria to San Francisco Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Bulgaria to San Francisco Airport.
What documentation or ID do you need to fly to San Francisco Airport?
The travel and health documents you'll need for your trip to San Francisco Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San Francisco Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Bulgaria to San Francisco

Compare and see reviews for airlines that fly from Bulgaria to San Francisco with momondo

Airline	Rating	Free Cancellation	Price
Lufthansa	PriceFrom $712	Free Cancellation	Rating 6.8 7,694 reviews	Search Lufthansa flights
Turkish Airlines	PriceFrom $736	Free Cancellation	Rating 7.3 4,150 reviews	Search Turkish Airlines flights
United Airlines	PriceFrom $813	Free Cancellation	Rating 7.4 9,139 reviews	Search United Airlines flights

Santa Cruz

Carmel-by-the-Sea

Modesto

Sonoma

Bodega Bay

Roseville

Hayward

Calistoga

Big Sur

Santa Clara

Berkeley

Walnut Creek

Fremont

Daly City

Half Moon Bay

Vallejo

Livermore

Salinas

Turlock

Sunnyvale

Why use momondo?

Why should I use momondo to find a flight deal from Bulgaria to San Francisco?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Bulgaria to San Francisco. momondo saves you time and could save you money on your trip.

Can I find flights from Bulgaria to San Francisco with flexible booking policies on momondo?

Yes. All flights to San Francisco from Bulgaria on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Bulgaria to San Francisco?

Once all potential Bulgaria to San Francisco flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Bulgaria to San Francisco right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to San Francisco from Bulgaria. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.