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Cheap flights from Bulgaria to San Francisco from $405

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 12/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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
6:00 am - 3:35 pmSOF-SFO
42h 35m2 stops
Multiple Airlines Logo
5:40 pm - 2:55 amSFO-SOF
24h 15m2 stops
$687Multiple Airlines
Find Deal
Thu, Mar 12 - Thu, Mar 19
Multiple Airlines Logo
8:25 pm - 8:10 pmSOF-SFO
33h 45m1 stop
Multiple Airlines Logo
1:00 pm - 2:55 amSFO-SOF
27h 55m2 stops
$722Multiple Airlines
Find Deal
Tue, Jan 20 - Sun, Jan 25
Multiple Airlines Logo
4:45 pm - 3:09 pmSOF-SFO
56h 24m2 stops
Multiple Airlines Logo
6:40 pm - 7:00 pmSFO-SOF
14h 20m1 stop
$743Multiple Airlines
Find Deal
Tue, Jan 20 - Fri, Feb 13
Lufthansa Logo
6:10 am - 12:40 pmSOF-SFO
16h 30m1 stop
Lufthansa Logo
8:25 am - 1:50 pmSFO-SOF
19h 25m2 stops
$851Lufthansa
Find Deal
Fri, Dec 12 - Thu, Jan 15
Lufthansa Logo
2:20 pm - 1:15 amSOF-SFO
20h 55m2 stops
Lufthansa Logo
6:50 pm - 10:45 pmSFO-SOF
17h 55m1 stop
$864Lufthansa
Find Deal
Mon, Nov 17 - Sun, Nov 30
KLM Logo
7:00 am - 7:28 pmSOF-SFO
21h 28m2 stops
KLM Logo
8:50 am - 2:05 pmSFO-SOF
20h 15m2 stops
$869KLM
Find Deal
Tue, Mar 10 - Thu, Mar 19
United Airlines Logo
2:20 pm - 8:10 pmSOF-SFO
15h 50m1 stop
United Airlines Logo
1:35 pm - 6:20 pmSFO-SOF
18h 45m2 stops
$882United Airlines
Find Deal
Mon, Jan 26 - Wed, Feb 4
United Airlines Logo
6:00 am - 3:55 pmSOF-SFO
19h 55m1 stop
United Airlines Logo
1:30 pm - 10:45 pmSFO-SOF
23h 15m1 stop
$884United Airlines
Find Deal
Tue, Jan 20 - Thu, Jan 29
Turkish Airlines Logo
4:00 pm - 11:05 amSOF-SFO
29h 05m1 stop
Turkish Airlines Logo
6:50 pm - 3:10 pmSFO-SOF
34h 20m1 stop
$888Turkish Airlines
Find Deal
Fri, Dec 19 - Wed, Jan 21
Turkish Airlines Logo
10:00 am - 4:45 pmVAR-SFO
16h 45m1 stop
Turkish Airlines Logo
1:10 pm - 9:10 amSFO-VAR
34h 00m1 stop
$1,057Turkish Airlines
Find Deal
Sun, Dec 21 - Sun, Dec 28

United Airlines flights from Bulgaria to San Francisco

Our best United Airlines deals on Bulgaria to San Francisco flight tickets
United Airlines
Jan 26
SOF2:20 pmSofia
15h 50m
1 stop
SFO8:10 pmSan Francisco
Feb 4
SFO1:35 pmSan Francisco
18h 45m
2 stops
SOF6:20 pmSofia
$882
Find similar
United Airlines
Jan 20
SOF6:00 amSofia
19h 55m
1 stop
SFO3:55 pmSan Francisco
Jan 29
SFO1:30 pmSan Francisco
23h 15m
1 stop
SOF10:45 pmSofia
$884
Find similar
United Airlines
Jan 23
SOF2:35 pmSofia
15h 35m
1 stop
SFO8:10 pmSan Francisco
Feb 12
SFO1:30 pmSan Francisco
23h 15m
1 stop
SOF10:45 pmSofia
$886
Find similar

Austrian Airlines flights from Bulgaria to San Francisco

Our best Austrian Airlines deals on Bulgaria to San Francisco flight tickets
Austrian Airlines
Mar 6
VAR4:00 pmVarna
39h 39m
2 stops
SFO9:39 pmSan Francisco
Mar 10
SFO8:40 amSan Francisco
21h 35m
2 stops
VAR3:15 pmVarna
$1,264
Find similar
Austrian Airlines
Mar 6
VAR4:00 pmVarna
39h 39m
2 stops
SFO9:39 pmSan Francisco
Mar 10
SFO8:40 amSan Francisco
21h 35m
2 stops
VAR3:15 pmVarna
$1,266
Find similar
Austrian Airlines
Mar 6
VAR4:00 pmVarna
39h 39m
2 stops
SFO9:39 pmSan Francisco
Mar 10
SFO8:25 amSan Francisco
21h 50m
2 stops
VAR3:15 pmVarna
$1,272
Find similar

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 November 6, 2025.
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

SofiaSan Francisco

SOF - SFO

SOFSFO

Sofia

Thu 3/12

6:00 am-3:35 pm

2 stops42h 35m

San Francisco

Thu 3/19

5:40 pm-2:55 am

2 stops24h 15m

$687

SofiaSan Francisco

SOF - SFO

SOFSFO

Sofia

Tue 1/20

8:25 pm-8:10 pm

1 stop33h 45m

San Francisco

Sun 1/25

1:00 pm-2:55 am

2 stops27h 55m

$722

SofiaSan Francisco

SOF - SFO

SOFSFO

Sofia

Tue 1/20

4:45 pm-3:09 pm

2 stops56h 24m

San Francisco

Fri 2/13

6:40 pm-7:00 pm

1 stop14h 20m

$743

SofiaSan Francisco

SOF - SFO

SOFSFO

Sofia

Fri 12/12

6:10 am-12:40 pm

1 stop16h 30m

San Francisco

Thu 1/15

8:25 am-1:50 pm

2 stops19h 25m

$851

SofiaSan Francisco

SOF - SFO

SOFSFO

Sofia

Mon 11/17

2:20 pm-1:15 am

2 stops20h 55m

San Francisco

Sun 11/30

6:50 pm-10:45 pm

1 stop17h 55m

$864

SofiaSan Francisco

SOF - SFO

SOFSFO

Sofia

Tue 3/10

7:00 am-7:28 pm

2 stops21h 28m

San Francisco

Thu 3/19

8:50 am-2:05 pm

2 stops20h 15m

$869

SofiaSan Francisco

SOF - SFO

SOFSFO

Sofia

Mon 1/26

2:20 pm-8:10 pm

1 stop15h 50m

San Francisco

Wed 2/4

1:35 pm-6:20 pm

2 stops18h 45m

$882

SofiaSan Francisco

SOF - SFO

SOFSFO

Sofia

Tue 1/20

6:00 am-3:55 pm

1 stop19h 55m

San Francisco

Thu 1/29

1:30 pm-10:45 pm

1 stop23h 15m

$884

SofiaSan Francisco

SOF - SFO

SOFSFO

Sofia

Fri 12/19

4:00 pm-11:05 am

1 stop29h 05m

San Francisco

Wed 1/21

6:50 pm-3:10 pm

1 stop34h 20m

$888

VarnaSan Francisco

VAR - SFO

VARSFO

Varna

Sun 12/21

10:00 am-4:45 pm

1 stop16h 45m

San Francisco

Sun 12/28

1:10 pm-9:10 am

1 stop34h 00m

$1,057

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 February, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $821.

What is the cheapest day to depart on your flight to San Francisco?

The cheapest day to depart from Bulgaria to San Francisco is on a Saturday when prices can be found for as low as $882. The most expensive day to fly to San Francisco is Sunday, with ticket prices averaging around $1,138.

What is the cheapest time of day to depart on your flight to San Francisco?

Our data shows that the cheapest Bulgaria to San Francisco flights are usually those with departure times in the evening. Our users have found flights to San Francisco in the evening for as low as $884. Flights in the morning are often more expensive with an average ticket price of $962.

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 $922 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 $792 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

Direct flights

None
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?

  • 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
7,555 reviews
Search Lufthansa flights
Turkish AirlinesPriceFrom $736Free CancellationRating
7.3
4,031 reviews
Search Turkish Airlines flights
United AirlinesPriceFrom $813Free CancellationRating
7.4
9,003 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
Roseville
Calistoga
Hayward
Big Sur
Santa Clara
Daly City
Fremont
Berkeley
Vallejo
Walnut Creek
Half Moon Bay
Salinas
Livermore
Turlock
South San Francisco

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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