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Cheap flights from San Francisco to Bulgaria from $262

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 7/15. 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

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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.
Multiple Airlines Logo
10:40 pm - 10:45 pm
SFO
-
SOF
15h 05m
1 stop
Multiple Airlines Logo
3:00 pm - 5:30 pm
SOF
-
SFO
35h 30m
1 stop
$500Multiple Airlines
Mon, Mar 9 - Mon, Mar 16
British Airways Logo
9:40 pm - 8:10 pm
SFO
-
SOF
37h 30m
1 stop
British Airways Logo
5:25 pm - 6:30 pm
SOF
-
SFO
34h 05m
2 stops
$510British Airways
Mon, Mar 9 - Mon, Mar 16
British Airways Logo
11:35 pm - 8:10 pm
SFO
-
SOF
35h 35m
2 stops
British Airways Logo
5:25 pm - 8:47 pm
SOF
-
SFO
36h 22m
2 stops
$514British Airways
Mon, Mar 9 - Mon, Mar 16
Lufthansa Logo
9:05 pm - 11:10 pm
SFO
-
SOF
16h 05m
1 stop
Lufthansa Logo
6:10 am - 12:40 pm
SOF
-
SFO
16h 30m
1 stop
$534Lufthansa
Wed, Apr 29 - Tue, Oct 6
Multiple Airlines Logo
9:05 pm - 11:10 pm
SFO
-
SOF
16h 05m
1 stop
Multiple Airlines Logo
1:05 pm - 4:15 pm
SOF
-
SFO
37h 10m
1 stop
$536Multiple Airlines
Wed, Apr 29 - Tue, Oct 6
United Airlines Logo
9:05 pm - 11:10 pm
SFO
-
SOF
16h 05m
1 stop
United Airlines Logo
6:10 am - 11:03 pm
SOF
-
SFO
26h 53m
2 stops
$545United Airlines
Wed, Apr 29 - Tue, Oct 6
United Airlines Logo
1:30 pm - 6:20 pm
SFO
-
SOF
18h 50m
1 stop
United Airlines Logo
6:05 am - 7:35 pm
SOF
-
SFO
23h 30m
1 stop
$550United Airlines
Wed, Mar 4 - Sun, Mar 8
Lufthansa Logo
9:05 pm - 11:10 pm
SFO
-
SOF
16h 05m
1 stop
Lufthansa Logo
6:30 am - 12:40 pm
SOF
-
SFO
16h 10m
1 stop
$551Lufthansa
Sun, May 17 - Thu, May 28
Turkish Airlines Logo
12:55 pm - 8:45 am
SFO
-
VAR
33h 50m
1 stop
Turkish Airlines Logo
9:35 am - 4:40 pm
VAR
-
SFO
17h 05m
1 stop
$714Turkish Airlines
Fri, Apr 24 - Tue, Apr 28
Turkish Airlines Logo
12:55 pm - 2:45 am
SFO
-
VAR
27h 50m
1 stop
Turkish Airlines Logo
3:35 am - 10:50 am
VAR
-
SFO
17h 15m
1 stop
$838Turkish 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
Mar 9
SFO9:40 pmSan Francisco
37h 30m
1 stop
SOF8:10 pmSofia
Mar 16
SOF5:25 pmSofia
34h 05m
2 stops
SFO6:30 pmSan Francisco
$510
British Airways
Mar 9
SFO11:35 pmSan Francisco
35h 35m
2 stops
SOF8:10 pmSofia
Mar 16
SOF5:25 pmSofia
36h 22m
2 stops
SFO8:47 pmSan Francisco
$514
British Airways
May 16
SFO4:35 pmSan Francisco
17h 35m
1 stop
SOF8:10 pmSofia
May 27
SOF9:25 pmSofia
26h 25m
1 stop
SFO1:50 pmSan Francisco
$644

United Airlines flights from San Francisco to Bulgaria

Our best United Airlines deals on San Francisco to Bulgaria flight tickets
United Airlines
Apr 29
SFO9:05 pmSan Francisco
16h 05m
1 stop
SOF11:10 pmSofia
Oct 6
SOF6:10 amSofia
26h 53m
2 stops
SFO11:03 pmSan Francisco
$545
United Airlines
Mar 4
SFO1:30 pmSan Francisco
18h 50m
1 stop
SOF6:20 pmSofia
Mar 8
SOF6:05 amSofia
23h 30m
1 stop
SFO7:35 pmSan Francisco
$550
United Airlines
Mar 4
SFO8:35 amSan Francisco
23h 45m
2 stops
SOF6:20 pmSofia
Mar 8
SOF2:00 pmSofia
15h 35m
1 stop
SFO8:35 pmSan Francisco
$554

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 25, 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

Mon 3/9

10:40 pm-10:45 pm

1 stop15h 05m

Sofia

Mon 3/16

3:00 pm-5:30 pm

1 stop35h 30m

$500

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Mon 3/9

9:40 pm-8:10 pm

1 stop37h 30m

Sofia

Mon 3/16

5:25 pm-6:30 pm

2 stops34h 05m

$510

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Mon 3/9

11:35 pm-8:10 pm

2 stops35h 35m

Sofia

Mon 3/16

5:25 pm-8:47 pm

2 stops36h 22m

$514

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Wed 4/29

9:05 pm-11:10 pm

1 stop16h 05m

Sofia

Tue 10/6

6:10 am-12:40 pm

1 stop16h 30m

$534

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Wed 4/29

9:05 pm-11:10 pm

1 stop16h 05m

Sofia

Tue 10/6

1:05 pm-4:15 pm

1 stop37h 10m

$536

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Wed 4/29

9:05 pm-11:10 pm

1 stop16h 05m

Sofia

Tue 10/6

6:10 am-11:03 pm

2 stops26h 53m

$545

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Wed 3/4

1:30 pm-6:20 pm

1 stop18h 50m

Sofia

Sun 3/8

6:05 am-7:35 pm

1 stop23h 30m

$550

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Sun 5/17

9:05 pm-11:10 pm

1 stop16h 05m

Sofia

Thu 5/28

6:30 am-12:40 pm

1 stop16h 10m

$551

San FranciscoVarna

SFO - VAR

SFOVAR

San Francisco

Fri 4/24

12:55 pm-8:45 am

1 stop33h 50m

Varna

Tue 4/28

9:35 am-4:40 pm

1 stop17h 05m

$714

San FranciscoVarna

SFO - VAR

SFOVAR

San Francisco

Fri 4/24

12:55 pm-2:45 am

1 stop27h 50m

Varna

Mon 4/27

3:35 am-10:50 am

1 stop17h 15m

$838

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 $806 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 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
4,208 reviews
Search Turkish Airlines flights
LufthansaPriceFrom $563Free CancellationRating
6.8
7,747 reviews
Search Lufthansa flights
British AirwaysPriceFrom $594Free CancellationRating
6.7
7,698 reviews
Search British Airways flights
United AirlinesPriceFrom $616Free CancellationRating
7.4
9,199 reviews
Search United Airlines flights
ITA AirwaysPriceFrom $651Free CancellationRating
6.7
1,131 reviews
Search ITA Airways flights
Air CanadaPriceFrom $771Free CancellationRating
7.1
10,656 reviews
Search Air Canada 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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