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Cheap flights from San Francisco to Bulgaria from $235

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 8/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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
7:10 am - 1:25 pm
SFO
-
SOF
20h 15m
2 stops
Multiple Airlines Logo
6:20 am - 12:40 pm
SOF
-
SFO
16h 20m
1 stop
$530Multiple Airlines
Wed, May 6 - Wed, May 20
Lufthansa Logo
9:05 pm - 11:10 pm
SFO
-
SOF
16h 05m
1 stop
Lufthansa Logo
6:20 am - 12:40 pm
SOF
-
SFO
16h 20m
1 stop
$531Lufthansa
Wed, May 6 - Wed, May 20
Multiple Airlines Logo
12:15 pm - 6:00 pm
SFO
-
SOF
19h 45m
2 stops
Multiple Airlines Logo
6:10 am - 12:40 pm
SOF
-
SFO
16h 30m
1 stop
$536Multiple Airlines
Tue, May 5 - Tue, May 19
Lufthansa Logo
10:40 pm - 10:45 pm
SFO
-
SOF
15h 05m
1 stop
Lufthansa Logo
6:10 am - 5:12 pm
SOF
-
SFO
21h 02m
2 stops
$537Lufthansa
Tue, Mar 24 - Tue, Apr 7
Multiple Airlines Logo
9:05 pm - 11:10 pm
SFO
-
SOF
16h 05m
1 stop
Multiple Airlines Logo
6:30 am - 9:02 pm
SOF
-
SFO
24h 32m
2 stops
$538Multiple Airlines
Mon, May 18 - Thu, May 28
United Airlines Logo
8:10 am - 6:40 pm
SFO
-
SOF
24h 30m
2 stops
United Airlines Logo
6:10 am - 9:06 pm
SOF
-
SFO
24h 56m
2 stops
$550United Airlines
Tue, May 5 - Tue, May 19
Turkish Airlines Logo
1:10 pm - 8:35 pm
SFO
-
VAR
21h 25m
1 stop
Turkish Airlines Logo
10:10 pm - 10:50 am
VAR
-
SFO
22h 40m
1 stop
$646Turkish Airlines
Sun, Feb 15 - Mon, Apr 20
Austrian Airlines Logo
9:25 pm - 3:15 pm
SFO
-
VAR
31h 50m
2 stops
Austrian Airlines Logo
4:00 pm - 7:18 pm
VAR
-
SFO
37h 18m
2 stops
$676Austrian Airlines
Mon, Feb 16 - Tue, Apr 21
Austrian Airlines Logo
9:25 pm - 3:15 pm
SFO
-
VAR
31h 50m
2 stops
Austrian Airlines Logo
4:00 pm - 12:40 pm
VAR
-
SFO
30h 40m
2 stops
$679Austrian Airlines
Mon, Feb 16 - Sun, Apr 19
Turkish Airlines Logo
6:50 pm - 9:10 am
SFO
-
VAR
28h 20m
1 stop
Turkish Airlines Logo
9:35 am - 10:50 am
VAR
-
SFO
35h 15m
1 stop
$692Turkish Airlines
Sun, Feb 15 - Sun, Apr 19

Lufthansa flights from San Francisco to Bulgaria

Our best Lufthansa deals on San Francisco to Bulgaria flight tickets
Lufthansa
May 6
SFO9:05 pmSan Francisco
16h 05m
1 stop
SOF11:10 pmSofia
May 20
SOF6:20 amSofia
16h 20m
1 stop
SFO12:40 pmSan Francisco
$531
Lufthansa
Mar 24
SFO10:40 pmSan Francisco
15h 05m
1 stop
SOF10:45 pmSofia
Apr 7
SOF6:10 amSofia
21h 02m
2 stops
SFO5:12 pmSan Francisco
$537
Lufthansa
Mar 25
SFO10:40 pmSan Francisco
15h 05m
1 stop
SOF10:45 pmSofia
Apr 8
SOF6:20 amSofia
16h 20m
1 stop
SFO12:40 pmSan Francisco
$541

United Airlines flights from San Francisco to Bulgaria

Our best United Airlines deals on San Francisco to Bulgaria flight tickets
United Airlines
May 5
SFO8:10 amSan Francisco
24h 30m
2 stops
SOF6:40 pmSofia
May 19
SOF6:10 amSofia
24h 56m
2 stops
SFO9:06 pmSan Francisco
$550
United Airlines
Mar 3
SFO1:30 pmSan Francisco
18h 50m
1 stop
SOF6:20 pmSofia
Mar 10
SOF2:15 pmSofia
15h 55m
1 stop
SFO9:10 pmSan Francisco
$589
United Airlines
Mar 3
SFO1:30 pmSan Francisco
18h 50m
1 stop
SOF6:20 pmSofia
Mar 11
SOF6:10 amSofia
24h 12m
2 stops
SFO9:22 pmSan Francisco
$592

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 February 3, 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 5/6

7:10 am-1:25 pm

2 stops20h 15m

Sofia

Wed 5/20

6:20 am-12:40 pm

1 stop16h 20m

$530

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Wed 5/6

9:05 pm-11:10 pm

1 stop16h 05m

Sofia

Wed 5/20

6:20 am-12:40 pm

1 stop16h 20m

$531

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Tue 5/5

12:15 pm-6:00 pm

2 stops19h 45m

Sofia

Tue 5/19

6:10 am-12:40 pm

1 stop16h 30m

$536

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Tue 3/24

10:40 pm-10:45 pm

1 stop15h 05m

Sofia

Tue 4/7

6:10 am-5:12 pm

2 stops21h 02m

$537

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Mon 5/18

9:05 pm-11:10 pm

1 stop16h 05m

Sofia

Thu 5/28

6:30 am-9:02 pm

2 stops24h 32m

$538

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Tue 5/5

8:10 am-6:40 pm

2 stops24h 30m

Sofia

Tue 5/19

6:10 am-9:06 pm

2 stops24h 56m

$550

San FranciscoVarna

SFO - VAR

SFOVAR

San Francisco

Sun 2/15

1:10 pm-8:35 pm

1 stop21h 25m

Varna

Mon 4/20

10:10 pm-10:50 am

1 stop22h 40m

$646

San FranciscoVarna

SFO - VAR

SFOVAR

San Francisco

Mon 2/16

9:25 pm-3:15 pm

2 stops31h 50m

Varna

Tue 4/21

4:00 pm-7:18 pm

2 stops37h 18m

$676

San FranciscoVarna

SFO - VAR

SFOVAR

San Francisco

Mon 2/16

9:25 pm-3:15 pm

2 stops31h 50m

Varna

Sun 4/19

4:00 pm-12:40 pm

2 stops30h 40m

$679

San FranciscoVarna

SFO - VAR

SFOVAR

San Francisco

Sun 2/15

6:50 pm-9:10 am

1 stop28h 20m

Varna

Sun 4/19

9:35 am-10:50 am

1 stop35h 15m

$692

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 $622.

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 $805 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

14h 35m

Direct flights

None
The fastest flight from San Francisco to Bulgaria takes 14h 35m
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
4,210 reviews
Search Turkish Airlines flights
LufthansaPriceFrom $548Free CancellationRating
6.8
7,758 reviews
Search Lufthansa flights
British AirwaysPriceFrom $594Free CancellationRating
6.7
7,712 reviews
Search British Airways flights
United AirlinesPriceFrom $614Free CancellationRating
7.4
9,235 reviews
Search United Airlines flights
ITA AirwaysPriceFrom $651Free CancellationRating
6.7
1,144 reviews
Search ITA Airways flights
Air CanadaPriceFrom $771Free CancellationRating
7.1
10,683 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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