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Cheap flights from San Francisco to Bulgaria from $221

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 4/8. 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.
British Airways Logo
4:35 pm - 1:30 pm
SFO
-
SOF
34h 55m1 stop
British Airways Logo
9:30 pm - 5:40 pm
SOF
-
SFO
30h 10m1 stop
$522British Airways
Wed, Apr 29 - Wed, May 13
Lufthansa Logo
9:25 pm - 10:45 pm
SFO
-
SOF
15h 20m1 stop
Lufthansa Logo
6:10 am - 3:55 pm
SOF
-
SFO
19h 45m1 stop
$534Lufthansa
Wed, Jan 28 - Wed, Feb 11
Multiple Airlines Logo
12:50 pm - 6:00 pm
SFO
-
SOF
19h 10m2 stops
Multiple Airlines Logo
6:10 am - 3:55 pm
SOF
-
SFO
19h 45m1 stop
$535Multiple Airlines
Wed, Jan 28 - Wed, Feb 11
KLM Logo
1:45 pm - 2:00 pm
SFO
-
SOF
14h 15m1 stop
KLM Logo
7:00 am - 3:59 pm
SOF
-
SFO
18h 59m2 stops
$540KLM
Wed, Apr 1 - Wed, Apr 15
Lufthansa Logo
9:25 pm - 10:45 pm
SFO
-
SOF
15h 20m1 stop
Lufthansa Logo
6:10 am - 12:40 pm
SOF
-
SFO
16h 30m1 stop
$543Lufthansa
Wed, Feb 18 - Wed, Mar 4
KLM Logo
11:00 am - 2:00 pm
SFO
-
SOF
17h 00m2 stops
KLM Logo
7:00 am - 8:51 pm
SOF
-
SFO
23h 51m2 stops
$544KLM
Wed, Apr 1 - Wed, Apr 15
Lufthansa Logo
8:45 pm - 10:45 pm
SFO
-
SOF
16h 00m1 stop
Lufthansa Logo
6:00 am - 12:40 pm
SOF
-
SFO
16h 40m1 stop
$550Lufthansa
Thu, Jan 29 - Thu, Feb 12
Lufthansa Logo
9:05 pm - 11:10 pm
SFO
-
SOF
16h 05m1 stop
Lufthansa Logo
6:10 am - 12:40 pm
SOF
-
SFO
16h 30m1 stop
$555Lufthansa
Tue, Apr 28 - Tue, May 12
KLM Logo
1:45 pm - 2:00 pm
SFO
-
SOF
14h 15m1 stop
KLM Logo
7:00 am - 8:18 pm
SOF
-
SFO
23h 18m2 stops
$557KLM
Wed, Apr 29 - Tue, Oct 6
Turkish Airlines Logo
12:55 pm - 8:45 am
SFO
-
VAR
33h 50m1 stop
Turkish Airlines Logo
3:35 am - 4:40 pm
VAR
-
SFO
23h 05m1 stop
$793Turkish Airlines
Fri, Apr 24 - Mon, Apr 27

British Airways flights from San Francisco to Bulgaria

Our best British Airways deals on San Francisco to Bulgaria flight tickets
British Airways
Apr 29
SFO4:35 pmSan Francisco
34h 55m
1 stop
SOF1:30 pmSofia
May 13
SOF9:30 pmSofia
30h 10m
1 stop
SFO5:40 pmSan Francisco
$522
Find similar
British Airways
Apr 23
SFO6:14 amSan Francisco
21h 16m
2 stops
SOF1:30 pmSofia
Oct 5
SOF8:00 pmSofia
27h 50m
1 stop
SFO1:50 pmSan Francisco
$592
Find similar
British Airways
Apr 23
SFO6:14 amSan Francisco
21h 16m
2 stops
SOF1:30 pmSofia
Jun 3
SOF9:30 pmSofia
31h 32m
2 stops
SFO7:02 pmSan Francisco
$595
Find similar

Austrian Airlines flights from San Francisco to Bulgaria

Our best Austrian Airlines deals on San Francisco to Bulgaria flight tickets
Austrian Airlines
Jan 29
SFO12:50 pmSan Francisco
19h 10m
2 stops
SOF6:00 pmSofia
Feb 12
SOF7:55 amSofia
21h 00m
2 stops
SFO6:55 pmSan Francisco
$612
Find similar
Austrian Airlines
May 30
SFO2:40 pmSan Francisco
38h 35m
2 stops
VAR3:15 pmVarna
Jun 11
VAR8:30 pmVarna
26h 10m
2 stops
SFO12:40 pmSan Francisco
$1,155
Find similar

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 December 30, 2025.
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 4/29

4:35 pm-1:30 pm

1 stop34h 55m

Sofia

Wed 5/13

9:30 pm-5:40 pm

1 stop30h 10m

$522

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Wed 1/28

9:25 pm-10:45 pm

1 stop15h 20m

Sofia

Wed 2/11

6:10 am-3:55 pm

1 stop19h 45m

$534

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Wed 1/28

12:50 pm-6:00 pm

2 stops19h 10m

Sofia

Wed 2/11

6:10 am-3:55 pm

1 stop19h 45m

$535

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Wed 4/1

1:45 pm-2:00 pm

1 stop14h 15m

Sofia

Wed 4/15

7:00 am-3:59 pm

2 stops18h 59m

$540

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Wed 2/18

9:25 pm-10:45 pm

1 stop15h 20m

Sofia

Wed 3/4

6:10 am-12:40 pm

1 stop16h 30m

$543

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Wed 4/1

11:00 am-2:00 pm

2 stops17h 00m

Sofia

Wed 4/15

7:00 am-8:51 pm

2 stops23h 51m

$544

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Thu 1/29

8:45 pm-10:45 pm

1 stop16h 00m

Sofia

Thu 2/12

6:00 am-12:40 pm

1 stop16h 40m

$550

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Tue 4/28

9:05 pm-11:10 pm

1 stop16h 05m

Sofia

Tue 5/12

6:10 am-12:40 pm

1 stop16h 30m

$555

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Wed 4/29

1:45 pm-2:00 pm

1 stop14h 15m

Sofia

Tue 10/6

7:00 am-8:18 pm

2 stops23h 18m

$557

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

$793

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 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 $633.

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 $826 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 $696 on momondo.

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

You could potentially save up to 17% 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 20m

Direct flights

None
The fastest flight from San Francisco to Bulgaria takes 15h 20m
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
4,131 reviews
Search Turkish Airlines flights
LufthansaPriceFrom $564Free CancellationRating
6.8
7,663 reviews
Search Lufthansa flights
British AirwaysPriceFrom $594Free CancellationRating
6.7
7,625 reviews
Search British Airways flights
United AirlinesPriceFrom $616Free CancellationRating
7.4
9,123 reviews
Search United Airlines flights
ITA AirwaysPriceFrom $652Free CancellationRating
6.7
1,116 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.

An easier way to manage your Bulgaria trip

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