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Cheap flights from San Francisco to Bulgaria from $216

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Francisco to Bulgaria departing on 1/20. 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 San Francisco to Bulgaria

Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
9:25 pm - 10:45 pm
SFO
-
SOF
15h 20m
1 stop
Lufthansa Logo
6:10 am - 7:19 pm
SOF
-
SFO
23h 09m
2 stops
$446Lufthansa
Wed, Feb 4 - Wed, Feb 18
Lufthansa Logo
9:25 pm - 10:45 pm
SFO
-
SOF
15h 20m
1 stop
Lufthansa Logo
2:00 pm - 7:35 pm
SOF
-
SFO
15h 35m
1 stop
$457Lufthansa
Wed, Feb 4 - Wed, Feb 18
Multiple Airlines Logo
1:20 pm - 6:40 pm
SFO
-
SOF
19h 20m
2 stops
Multiple Airlines Logo
6:20 am - 12:40 pm
SOF
-
SFO
16h 20m
1 stop
$476Multiple Airlines
Wed, Apr 8 - Wed, May 13
Multiple Airlines Logo
8:30 am - 12:10 pm
SFO
-
SOF
17h 40m
2 stops
Multiple Airlines Logo
6:20 am - 12:40 pm
SOF
-
SFO
16h 20m
1 stop
$479Multiple Airlines
Wed, Apr 15 - Wed, Apr 29
British Airways Logo
10:13 am - 1:25 pm
SFO
-
SOF
41h 12m
2 stops
British Airways Logo
8:10 pm - 10:11 pm
SOF
-
SFO
36h 01m
2 stops
$484British Airways
Wed, May 13 - Mon, May 25
British Airways Logo
10:13 am - 8:30 pm
SFO
-
SOF
24h 17m
2 stops
British Airways Logo
9:25 pm - 1:50 pm
SOF
-
SFO
26h 25m
1 stop
$490British Airways
Tue, May 19 - Wed, Jun 3
Turkish Airlines Logo
12:55 pm - 8:45 am
SFO
-
VAR
33h 50m
1 stop
Turkish Airlines Logo
3:35 am - 4:40 pm
VAR
-
SFO
23h 05m
1 stop
$714Turkish Airlines
Fri, Apr 24 - Mon, Apr 27
ITA Airways Logo
3:15 pm - 9:35 pm
SFO
-
VAR
20h 20m
2 stops
ITA Airways Logo
4:30 pm - 1:15 pm
VAR
-
SFO
54h 45m
2 stops
$5,157ITA Airways
Sat, May 9 - Sun, May 24
ITA Airways Logo
3:15 pm - 9:35 pm
SFO
-
VAR
20h 20m
2 stops
ITA Airways Logo
8:30 am - 1:15 pm
VAR
-
SFO
38h 45m
2 stops
$5,393ITA Airways
Thu, May 7 - Fri, May 22
Turkish Airlines Logo
6:45 pm - 2:45 am
SFO
-
VAR
22h 00m
1 stop
Turkish Airlines Logo
3:35 am - 4:40 pm
VAR
-
SFO
23h 05m
1 stop
$5,568Turkish Airlines
Sun, May 10 - Sat, May 23

Lufthansa flights from San Francisco to Bulgaria

Our best Lufthansa deals on San Francisco to Bulgaria flight tickets
Lufthansa
Feb 4
SFO9:25 pmSan Francisco
15h 20m
1 stop
SOF10:45 pmSofia
Feb 18
SOF6:10 amSofia
23h 09m
2 stops
SFO7:19 pmSan Francisco
$446
Lufthansa
Feb 4
SFO9:25 pmSan Francisco
15h 20m
1 stop
SOF10:45 pmSofia
Feb 18
SOF2:00 pmSofia
15h 35m
1 stop
SFO7:35 pmSan Francisco
$457
Lufthansa
Mar 9
SFO10:40 pmSan Francisco
15h 05m
1 stop
SOF10:45 pmSofia
Mar 23
SOF2:20 pmSofia
32h 20m
1 stop
SFO1:40 pmSan Francisco
$477

British Airways flights from San Francisco to Bulgaria

Our best British Airways deals on San Francisco to Bulgaria flight tickets
British Airways
May 13
SFO10:13 amSan Francisco
41h 12m
2 stops
SOF1:25 pmSofia
May 25
SOF8:10 pmSofia
36h 01m
2 stops
SFO10:11 pmSan Francisco
$484
British Airways
May 19
SFO10:13 amSan Francisco
24h 17m
2 stops
SOF8:30 pmSofia
Jun 3
SOF9:25 pmSofia
26h 25m
1 stop
SFO1:50 pmSan Francisco
$490
British Airways
May 19
SFO4:35 pmSan Francisco
17h 55m
1 stop
SOF8:30 pmSofia
Jun 3
SOF9:25 pmSofia
26h 25m
1 stop
SFO1:50 pmSan Francisco
$492

momondo Fare Finder

 
Customize your flight search to find flights from San Francisco to Bulgaria 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 January 15, 2026.
Use the filters below to find and compare flights from San Francisco to Bulgaria that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Wed 2/4

9:25 pm-10:45 pm

1 stop15h 20m

Sofia

Wed 2/18

6:10 am-7:19 pm

2 stops23h 09m

$446

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Wed 2/4

9:25 pm-10:45 pm

1 stop15h 20m

Sofia

Wed 2/18

2:00 pm-7:35 pm

1 stop15h 35m

$457

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Wed 4/8

1:20 pm-6:40 pm

2 stops19h 20m

Sofia

Wed 5/13

6:20 am-12:40 pm

1 stop16h 20m

$476

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Wed 4/15

8:30 am-12:10 pm

2 stops17h 40m

Sofia

Wed 4/29

6:20 am-12:40 pm

1 stop16h 20m

$479

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Wed 5/13

10:13 am-1:25 pm

2 stops41h 12m

Sofia

Mon 5/25

8:10 pm-10:11 pm

2 stops36h 01m

$484

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Tue 5/19

10:13 am-8:30 pm

2 stops24h 17m

Sofia

Wed 6/3

9:25 pm-1:50 pm

1 stop26h 25m

$490

San FranciscoVarna

SFO - VAR

SFOVAR

San Francisco

Fri 4/24

12:55 pm-8:45 am

1 stop33h 50m

Varna

Mon 4/27

3:35 am-4:40 pm

1 stop23h 05m

$714

San FranciscoVarna

SFO - VAR

SFOVAR

San Francisco

Sat 5/9

3:15 pm-9:35 pm

2 stops20h 20m

Varna

Sun 5/24

4:30 pm-1:15 pm

2 stops54h 45m

$5,157

San FranciscoVarna

SFO - VAR

SFOVAR

San Francisco

Thu 5/7

3:15 pm-9:35 pm

2 stops20h 20m

Varna

Fri 5/22

8:30 am-1:15 pm

2 stops38h 45m

$5,393

San FranciscoVarna

SFO - VAR

SFOVAR

San Francisco

Sun 5/10

6:45 pm-2:45 am

1 stop22h 00m

Varna

Sat 5/23

3:35 am-4:40 pm

1 stop23h 05m

$5,568

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 Bulgaria from

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

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 Bulgaria?

If you aren’t able to travel to Bulgaria during the month of October, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $623.

How far in advance should I book a flight to Bulgaria?

You are more likely to see cheaper flights to Bulgaria from San Francisco when booking weeks ahead of your departure date. In general, you can expect to find flights to Bulgaria for around $809 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Bulgaria from San Francisco for as low as $692 on momondo.

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

You could potentially save up to 53% on your flight if you consider stops on a San Francisco to Bulgaria flight.

Cheap San Francisco to Bulgaria flight deals and tips

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

Fastest flight time

15h 05m

Direct flights

None
The fastest flight from San Francisco to Bulgaria takes 15h 05m
There are no direct flights from San Francisco to Bulgaria. There are no popular flight routes from San Francisco to Bulgaria.
Search flight deals

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

    Prices for flights from San Francisco Airport to Bulgaria refresh daily.

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

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

    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 San Francisco Airport to Bulgaria.

  • What documentation or ID do you need to fly to Bulgaria?

    The required travel and health documents for your Bulgaria trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Bulgaria. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from San Francisco to Bulgaria

Compare and see reviews for airlines that fly from San Francisco to Bulgaria with momondo
Airline
Rating
Free Cancellation
Price
Turkish AirlinesPriceFrom $542Free CancellationRating
7.3
4,175 reviews
Search Turkish Airlines flights
LufthansaPriceFrom $563Free CancellationRating
6.8
7,717 reviews
Search Lufthansa flights
British AirwaysPriceFrom $594Free CancellationRating
6.7
7,676 reviews
Search British Airways flights
United AirlinesPriceFrom $616Free CancellationRating
7.4
9,164 reviews
Search United Airlines flights
ITA AirwaysPriceFrom $651Free CancellationRating
6.7
1,128 reviews
Search ITA Airways flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Bulgaria from San Francisco.

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

Yes. momondo enables you to select and highlight flights to Bulgaria from San Francisco with this policy.

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

Once all potential San Francisco to Bulgaria 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 San Francisco to Bulgaria right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of San Francisco to Bulgaria flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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