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Cheap flights from Bulgaria to San Francisco from $523

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Bulgaria to San Francisco departing on 5/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Bulgaria to San Francisco

Recent round-trip flight deals from Bulgaria to San Francisco

Enter your travel dates to find the best prices.
Multiple Airlines Logo
11:25 pm - 2:35 pm
SOF
-
SFO
25h 10m
2 stops
Multiple Airlines Logo
9:05 pm - 11:15 pm
SFO
-
SOF
16h 10m
1 stop
$875Multiple Airlines
Tue, Sep 1 - Sun, Sep 13
Multiple Airlines Logo
11:25 pm - 2:35 pm
SOF
-
SFO
25h 10m
2 stops
Multiple Airlines Logo
9:05 pm - 11:15 pm
SFO
-
SOF
16h 10m
1 stop
$892Multiple Airlines
Tue, Sep 1 - Tue, Sep 15
LOT Logo
5:25 am - 1:50 pm
SOF
-
SFO
18h 25m
1 stop
LOT Logo
3:50 pm - 1:55 am
SFO
-
SOF
24h 05m
1 stop
$902LOT
Thu, May 7 - Thu, May 21
LOT Logo
5:30 am - 1:50 pm
SOF
-
SFO
18h 20m
1 stop
LOT Logo
10:15 pm - 1:45 am
SFO
-
SOF
17h 30m
1 stop
$904LOT
Thu, Jun 4 - Wed, Jun 17
LOT Logo
5:25 am - 1:50 pm
SOF
-
SFO
18h 25m
1 stop
LOT Logo
10:15 pm - 1:50 pm
SFO
-
SOF
29h 35m
1 stop
$908LOT
Thu, May 21 - Wed, Jun 3
Multiple Airlines Logo
6:15 am - 2:05 pm
SOF
-
SFO
41h 50m
2 stops
Multiple Airlines Logo
9:05 pm - 11:15 pm
SFO
-
SOF
16h 10m
1 stop
$909Multiple Airlines
Sun, Aug 30 - Mon, Sep 14
LOT Logo
5:25 am - 1:50 pm
SOF
-
SFO
18h 25m
1 stop
LOT Logo
3:50 pm - 6:00 pm
SFO
-
SOF
16h 10m
1 stop
$918LOT
Thu, Sep 3 - Sun, Sep 13
Multiple Airlines Logo
11:25 pm - 2:35 pm
SOF
-
SFO
25h 10m
2 stops
Multiple Airlines Logo
9:05 pm - 11:15 pm
SFO
-
SOF
16h 10m
1 stop
$924Multiple Airlines
Tue, Sep 1 - Sat, Sep 12
Multiple Airlines Logo
12:40 pm - 5:35 pm
SOF
-
SFO
38h 55m
2 stops
Multiple Airlines Logo
9:05 pm - 11:15 pm
SFO
-
SOF
16h 10m
1 stop
$925Multiple Airlines
Fri, Sep 4 - Wed, Sep 16
Multiple Airlines Logo
12:55 pm - 12:47 pm
SOF
-
SFO
33h 52m
2 stops
Multiple Airlines Logo
9:05 pm - 11:15 pm
SFO
-
SOF
16h 10m
1 stop
$926Multiple Airlines
Thu, Sep 3 - Mon, Sep 14

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Turkish Airlines flights from Bulgaria to San Francisco

Our best Turkish Airlines deals on Bulgaria to San Francisco flight tickets
Turkish Airlines
Jun 4
SOF9:05 pmSofia
29h 35m
1 stop
SFO4:40 pmSan Francisco
Jun 17
SFO12:55 pmSan Francisco
16h 05m
1 stop
SOF3:00 pmSofia
$927
Turkish Airlines
May 18
SOF9:05 pmSofia
23h 45m
1 stop
SFO10:50 amSan Francisco
Jun 18
SFO3:45 pmSan Francisco
31h 00m
1 stop
SOF8:45 amSofia
$1,002
Turkish Airlines
Jun 5
SOF3:50 pmSofia
34h 50m
1 stop
SFO4:40 pmSan Francisco
Jun 12
SFO12:55 pmSan Francisco
16h 05m
1 stop
SOF3:00 pmSofia
$1,008

United Airlines flights from Bulgaria to San Francisco

Our best United Airlines deals on Bulgaria to San Francisco flight tickets
United Airlines
May 20
SOF6:20 amSofia
23h 40m
1 stop
SFO8:00 pmSan Francisco
May 29
SFO8:10 amSan Francisco
18h 00m
2 stops
SOF12:10 pmSofia
$1,029
United Airlines
May 16
SOF1:55 pmSofia
16h 05m
1 stop
SFO8:00 pmSan Francisco
Jun 15
SFO12:00 pmSan Francisco
24h 40m
2 stops
SOF10:40 pmSofia
$1,033
United Airlines
Jul 8
SOF6:20 amSofia
25h 14m
2 stops
SFO9:34 pmSan Francisco
Jul 19
SFO2:20 pmSan Francisco
22h 55m
2 stops
SOF11:15 pmSofia
$1,034

momondo 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, momondo users made 832,500 searches. Data last updated April 25, 2026.
Use the filters below to find and compare flights from Bulgaria to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SofiaSan Francisco

SOF - SFO

SOFSFO

Sofia

Tue 9/1

11:25 pm-2:35 pm

2 stops25h 10m

San Francisco

Sun 9/13

9:05 pm-11:15 pm

1 stop16h 10m

$875

SofiaSan Francisco

SOF - SFO

SOFSFO

Sofia

Tue 9/1

11:25 pm-2:35 pm

2 stops25h 10m

San Francisco

Tue 9/15

9:05 pm-11:15 pm

1 stop16h 10m

$892

SofiaSan Francisco

SOF - SFO

SOFSFO

Sofia

Thu 5/7

5:25 am-1:50 pm

1 stop18h 25m

San Francisco

Thu 5/21

3:50 pm-1:55 am

1 stop24h 05m

$902

SofiaSan Francisco

SOF - SFO

SOFSFO

Sofia

Thu 6/4

5:30 am-1:50 pm

1 stop18h 20m

San Francisco

Wed 6/17

10:15 pm-1:45 am

1 stop17h 30m

$904

SofiaSan Francisco

SOF - SFO

SOFSFO

Sofia

Thu 5/21

5:25 am-1:50 pm

1 stop18h 25m

San Francisco

Wed 6/3

10:15 pm-1:50 pm

1 stop29h 35m

$908

SofiaSan Francisco

SOF - SFO

SOFSFO

Sofia

Sun 8/30

6:15 am-2:05 pm

2 stops41h 50m

San Francisco

Mon 9/14

9:05 pm-11:15 pm

1 stop16h 10m

$909
Quickest round-trip

SofiaSan Francisco

SOF - SFO

SOFSFO

Sofia

Thu 9/3

5:25 am-1:50 pm

1 stop18h 25m

San Francisco

Sun 9/13

3:50 pm-6:00 pm

1 stop16h 10m

$918

SofiaSan Francisco

SOF - SFO

SOFSFO

Sofia

Tue 9/1

11:25 pm-2:35 pm

2 stops25h 10m

San Francisco

Sat 9/12

9:05 pm-11:15 pm

1 stop16h 10m

$924

SofiaSan Francisco

SOF - SFO

SOFSFO

Sofia

Fri 9/4

12:40 pm-5:35 pm

2 stops38h 55m

San Francisco

Wed 9/16

9:05 pm-11:15 pm

1 stop16h 10m

$925

SofiaSan Francisco

SOF - SFO

SOFSFO

Sofia

Thu 9/3

12:55 pm-12:47 pm

2 stops33h 52m

San Francisco

Mon 9/14

9:05 pm-11:15 pm

1 stop16h 10m

$926

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San Francisco from

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

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 December is also cheap. Prices for this month can be found on momondo for an average of $869.

How far in advance should I book a flight from Bulgaria 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 $942 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 $802 on momondo.

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

You could potentially save up to 16% 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

Frequently asked questions about flying 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?

  • 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
LufthansaPriceFrom $712Free CancellationRating
6.8
7,948 reviews
Search Lufthansa flights
Turkish AirlinesPriceFrom $737Free CancellationRating
7.4
4,330 reviews
Search Turkish Airlines flights
United AirlinesPriceFrom $817Free CancellationRating
7.4
9,651 reviews
Search United Airlines flights

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Santa Cruz
Carmel-by-the-Sea
Modesto
Sonoma
Bodega Bay
Walnut Creek
Roseville
Hayward
Santa Clara
Berkeley
Fremont
Vallejo
Big Sur
Calistoga
Daly City
Salinas
South San Francisco
Sunnyvale
Milpitas
Pacific Grove

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.

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