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Cheap flights from Bulgaria to San Francisco from $426

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 3/20. 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

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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.
Turkish Airlines Logo
4:00 pm - 5:45 pm
SOF
-
SFO
34h 45m1 stop
Turkish Airlines Logo
2:10 pm - 7:15 pm
SFO
-
SOF
20h 05m1 stop
$699Turkish Airlines
Sun, Mar 22 - Sat, Mar 28
Multiple Airlines Logo
7:45 pm - 8:10 pm
SOF
-
SFO
34h 25m1 stop
Multiple Airlines Logo
1:00 pm - 2:55 am
SFO
-
SOF
27h 55m2 stops
$717Multiple Airlines
Sat, Jan 24 - Sun, Feb 1
Multiple Airlines Logo
8:25 pm - 8:10 pm
SOF
-
SFO
33h 45m1 stop
Multiple Airlines Logo
1:00 pm - 2:55 am
SFO
-
SOF
27h 55m2 stops
$722Multiple Airlines
Tue, Jan 27 - Sun, Feb 1
Multiple Airlines Logo
8:25 pm - 8:10 pm
SOF
-
SFO
33h 45m1 stop
Multiple Airlines Logo
1:00 pm - 2:55 am
SFO
-
SOF
27h 55m2 stops
$732Multiple Airlines
Tue, Jan 27 - Tue, Feb 3
Multiple Airlines Logo
8:25 pm - 8:10 pm
SOF
-
SFO
33h 45m1 stop
Multiple Airlines Logo
9:16 am - 11:30 pm
SFO
-
SOF
28h 14m2 stops
$735Multiple Airlines
Tue, Jan 27 - Mon, Feb 2
Turkish Airlines Logo
9:35 am - 4:45 pm
SOF
-
SFO
17h 10m1 stop
Turkish Airlines Logo
7:50 pm - 8:50 pm
SFO
-
SOF
16h 00m1 stop
$736Turkish Airlines
Tue, Feb 17 - Mon, Mar 16
Multiple Airlines Logo
8:25 pm - 12:12 pm
SOF
-
SFO
49h 47m2 stops
Multiple Airlines Logo
6:40 pm - 6:10 pm
SFO
-
SOF
37h 30m1 stop
$740Multiple Airlines
Tue, Jan 27 - Fri, Feb 6
Multiple Airlines Logo
7:45 pm - 8:10 pm
SOF
-
SFO
34h 25m1 stop
Multiple Airlines Logo
1:00 pm - 2:55 am
SFO
-
SOF
27h 55m2 stops
$745Multiple Airlines
Sat, Jan 31 - Thu, Feb 5
Turkish Airlines Logo
10:00 am - 4:45 pm
VAR
-
SFO
16h 45m1 stop
Turkish Airlines Logo
1:10 pm - 9:10 am
SFO
-
VAR
34h 00m1 stop
$806Turkish Airlines
Wed, Feb 18 - Sun, Feb 22
Austrian Airlines Logo
4:00 pm - 9:39 pm
VAR
-
SFO
39h 39m2 stops
Austrian Airlines Logo
9:25 pm - 3:15 pm
SFO
-
VAR
55h 50m2 stops
$908Austrian Airlines
Wed, Feb 18 - Sun, Feb 22

Lufthansa flights from Bulgaria to San Francisco

Our best Lufthansa deals on Bulgaria to San Francisco flight tickets
Lufthansa
Jan 22
SOF6:00 amSofia
16h 40m
1 stop
SFO12:40 pmSan Francisco
Jan 25
SFO8:25 amSan Francisco
19h 10m
2 stops
SOF1:35 pmSofia
$797
Find similar
Lufthansa
Jan 22
SOF6:00 amSofia
16h 40m
1 stop
SFO12:40 pmSan Francisco
Jan 25
SFO1:30 pmSan Francisco
18h 50m
1 stop
SOF6:20 pmSofia
$811
Find similar
Lufthansa
Jan 24
SOF2:25 pmSofia
15h 45m
1 stop
SFO8:10 pmSan Francisco
Jan 29
SFO8:45 pmSan Francisco
16h 00m
1 stop
SOF10:45 pmSofia
$815
Find similar

KLM flights from Bulgaria to San Francisco

Our best KLM deals on Bulgaria to San Francisco flight tickets
KLM
Jan 31
SOF7:00 amSofia
20h 49m
2 stops
SFO5:49 pmSan Francisco
Feb 28
SFO10:58 amSan Francisco
17h 07m
2 stops
SOF2:05 pmSofia
$826
Find similar
KLM
Dec 12
SOF7:00 amSofia
23h 59m
2 stops
SFO8:59 pmSan Francisco
Jan 15
SFO1:55 pmSan Francisco
14h 10m
1 stop
SOF2:05 pmSofia
$881
Find similar
KLM
Dec 12
SOF7:00 amSofia
21h 04m
2 stops
SFO6:04 pmSan Francisco
Jan 15
SFO1:55 pmSan Francisco
14h 10m
1 stop
SOF2:05 pmSofia
$905
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 December 4, 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

Sun 3/22

4:00 pm-5:45 pm

1 stop34h 45m

San Francisco

Sat 3/28

2:10 pm-7:15 pm

1 stop20h 05m

$699

SofiaSan Francisco

SOF - SFO

SOFSFO

Sofia

Sat 1/24

7:45 pm-8:10 pm

1 stop34h 25m

San Francisco

Sun 2/1

1:00 pm-2:55 am

2 stops27h 55m

$717

SofiaSan Francisco

SOF - SFO

SOFSFO

Sofia

Tue 1/27

8:25 pm-8:10 pm

1 stop33h 45m

San Francisco

Sun 2/1

1:00 pm-2:55 am

2 stops27h 55m

$722

SofiaSan Francisco

SOF - SFO

SOFSFO

Sofia

Tue 1/27

8:25 pm-8:10 pm

1 stop33h 45m

San Francisco

Tue 2/3

1:00 pm-2:55 am

2 stops27h 55m

$732

SofiaSan Francisco

SOF - SFO

SOFSFO

Sofia

Tue 1/27

8:25 pm-8:10 pm

1 stop33h 45m

San Francisco

Mon 2/2

9:16 am-11:30 pm

2 stops28h 14m

$735

SofiaSan Francisco

SOF - SFO

SOFSFO

Sofia

Tue 2/17

9:35 am-4:45 pm

1 stop17h 10m

San Francisco

Mon 3/16

7:50 pm-8:50 pm

1 stop16h 00m

$736

SofiaSan Francisco

SOF - SFO

SOFSFO

Sofia

Tue 1/27

8:25 pm-12:12 pm

2 stops49h 47m

San Francisco

Fri 2/6

6:40 pm-6:10 pm

1 stop37h 30m

$740

SofiaSan Francisco

SOF - SFO

SOFSFO

Sofia

Sat 1/31

7:45 pm-8:10 pm

1 stop34h 25m

San Francisco

Thu 2/5

1:00 pm-2:55 am

2 stops27h 55m

$745

VarnaSan Francisco

VAR - SFO

VARSFO

Varna

Wed 2/18

10:00 am-4:45 pm

1 stop16h 45m

San Francisco

Sun 2/22

1:10 pm-9:10 am

1 stop34h 00m

$806

VarnaSan Francisco

VAR - SFO

VARSFO

Varna

Wed 2/18

4:00 pm-9:39 pm

2 stops39h 39m

San Francisco

Sun 2/22

9:25 pm-3:15 pm

2 stops55h 50m

$908

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 $923 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 $771 on momondo.

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

You could potentially save up to 2% 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

15h 50m

Direct flights

None
The fastest flight from Bulgaria to San Francisco takes 15h 50m
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
7,612 reviews
Search Lufthansa flights
Turkish AirlinesPriceFrom $736Free CancellationRating
7.3
4,077 reviews
Search Turkish Airlines flights
United AirlinesPriceFrom $813Free CancellationRating
7.4
9,066 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
Hayward
Calistoga
Big Sur
Santa Clara
Berkeley
Walnut Creek
Daly City
Fremont
Half Moon Bay
Vallejo
Salinas
Livermore
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.

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