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Cheap flights from San Francisco to Bulgaria from $363

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 8/15. 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.
Turkish Airlines Logo
6:45 pm - 3:00 pm
SFO
-
SOF
34h 15m
1 stop
Turkish Airlines Logo
9:35 am - 10:50 am
SOF
-
SFO
35h 15m
1 stop
$600Turkish Airlines
Wed, May 6 - Wed, May 20
Turkish Airlines Logo
6:45 pm - 9:20 pm
SFO
-
VAR
16h 35m
1 stop
Turkish Airlines Logo
3:45 am - 10:50 am
VAR
-
SFO
17h 05m
1 stop
$620Turkish Airlines
Tue, Aug 11 - Mon, Sep 14
Lufthansa Logo
2:40 pm - 6:45 pm
SFO
-
VAR
18h 05m
1 stop
Lufthansa Logo
8:20 pm - 12:40 pm
VAR
-
SFO
26h 20m
1 stop
$856Lufthansa
Tue, Aug 4 - Mon, Aug 24
Multiple Airlines Logo
2:40 pm - 6:45 pm
SFO
-
VAR
18h 05m
1 stop
Multiple Airlines Logo
1:35 pm - 12:40 pm
VAR
-
SFO
33h 05m
2 stops
$857Multiple Airlines
Tue, Aug 4 - Mon, Aug 24
Austrian Airlines Logo
9:05 pm - 3:15 pm
SFO
-
VAR
32h 10m
2 stops
Austrian Airlines Logo
1:35 pm - 12:40 pm
VAR
-
SFO
33h 05m
2 stops
$867Austrian Airlines
Tue, Aug 4 - Mon, Aug 24
Austrian Airlines Logo
2:40 pm - 3:15 pm
SFO
-
BOJ
38h 35m
2 stops
Austrian Airlines Logo
1:05 pm - 12:40 pm
BOJ
-
SFO
33h 35m
2 stops
$896Austrian Airlines
Tue, Aug 11 - Tue, Sep 15
Lufthansa Logo
1:50 pm - 6:45 pm
SFO
-
VAR
18h 55m
2 stops
Lufthansa Logo
11:40 am - 12:40 pm
VAR
-
SFO
35h 00m
1 stop
$912Lufthansa
Tue, Aug 11 - Tue, Sep 15
Multiple Airlines Logo
2:40 pm - 3:15 pm
SFO
-
BOJ
38h 35m
2 stops
Multiple Airlines Logo
7:05 pm - 12:40 pm
BOJ
-
SFO
27h 35m
1 stop
$1,010Multiple Airlines
Tue, Aug 11 - Tue, Sep 15
Aer Lingus Logo
11:16 pm - 10:35 pm
SFO
-
BOJ
37h 19m
2 stops
Aer Lingus Logo
11:25 pm - 3:55 pm
BOJ
-
SFO
26h 30m
1 stop
$1,272Aer Lingus
Sun, Jul 5 - Tue, Aug 4
Aer Lingus Logo
5:35 pm - 10:35 pm
SFO
-
BOJ
19h 00m
1 stop
Aer Lingus Logo
11:25 pm - 3:55 pm
BOJ
-
SFO
26h 30m
1 stop
$1,273Aer Lingus
Mon, Jul 6 - Tue, Aug 4

Lufthansa flights from San Francisco to Bulgaria

Our best Lufthansa deals on San Francisco to Bulgaria flight tickets
Lufthansa
Aug 30
SFO9:05 pmSan Francisco
16h 10m
1 stop
SOF11:15 pmSofia
Sep 4
SOF6:10 amSofia
22h 50m
1 stop
SFO7:00 pmSan Francisco
$761
Lufthansa
Aug 4
SFO2:40 pmSan Francisco
18h 05m
1 stop
VAR6:45 pmVarna
Aug 24
VAR8:20 pmVarna
26h 20m
1 stop
SFO12:40 pmSan Francisco
$856
Lufthansa
Aug 11
SFO1:50 pmSan Francisco
18h 55m
2 stops
VAR6:45 pmVarna
Sep 15
VAR11:40 amVarna
35h 00m
1 stop
SFO12:40 pmSan Francisco
$912

SWISS flights from San Francisco to Bulgaria

Our best SWISS deals on San Francisco to Bulgaria flight tickets
SWISS
Aug 17
SFO7:35 pmSan Francisco
28h 45m
1 stop
SOF10:20 amSofia
Sep 7
SOF3:40 pmSofia
34h 35m
1 stop
SFO4:15 pmSan Francisco
$769
SWISS
Sep 2
SFO2:13 pmSan Francisco
38h 52m
2 stops
SOF3:05 pmSofia
Sep 23
SOF11:05 amSofia
38h 16m
2 stops
SFO3:21 pmSan Francisco
$773
SWISS
Sep 2
SFO2:13 pmSan Francisco
38h 52m
2 stops
SOF3:05 pmSofia
Sep 17
SOF11:05 amSofia
15h 10m
1 stop
SFO4:15 pmSan Francisco
$774

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 April 22, 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

Cheapest round-trip

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Wed 5/6

6:45 pm-3:00 pm

1 stop34h 15m

Sofia

Wed 5/20

9:35 am-10:50 am

1 stop35h 15m

$600
Quickest round-trip

San FranciscoVarna

SFO - VAR

SFOVAR

San Francisco

Tue 8/11

6:45 pm-9:20 pm

1 stop16h 35m

Varna

Mon 9/14

3:45 am-10:50 am

1 stop17h 05m

$620

San FranciscoVarna

SFO - VAR

SFOVAR

San Francisco

Tue 8/4

2:40 pm-6:45 pm

1 stop18h 05m

Varna

Mon 8/24

8:20 pm-12:40 pm

1 stop26h 20m

$856

San FranciscoVarna

SFO - VAR

SFOVAR

San Francisco

Tue 8/4

2:40 pm-6:45 pm

1 stop18h 05m

Varna

Mon 8/24

1:35 pm-12:40 pm

2 stops33h 05m

$857

San FranciscoVarna

SFO - VAR

SFOVAR

San Francisco

Tue 8/4

9:05 pm-3:15 pm

2 stops32h 10m

Varna

Mon 8/24

1:35 pm-12:40 pm

2 stops33h 05m

$867

San FranciscoBurgas

SFO - BOJ

SFOBOJ

San Francisco

Tue 8/11

2:40 pm-3:15 pm

2 stops38h 35m

Bourgas

Tue 9/15

1:05 pm-12:40 pm

2 stops33h 35m

$896

San FranciscoVarna

SFO - VAR

SFOVAR

San Francisco

Tue 8/11

1:50 pm-6:45 pm

2 stops18h 55m

Varna

Tue 9/15

11:40 am-12:40 pm

1 stop35h 00m

$912

San FranciscoBurgas

SFO - BOJ

SFOBOJ

San Francisco

Tue 8/11

2:40 pm-3:15 pm

2 stops38h 35m

Bourgas

Tue 9/15

7:05 pm-12:40 pm

1 stop27h 35m

$1,010

San FranciscoBurgas

SFO - BOJ

SFOBOJ

San Francisco

Sun 7/5

11:16 pm-10:35 pm

2 stops37h 19m

Bourgas

Tue 8/4

11:25 pm-3:55 pm

1 stop26h 30m

$1,272

San FranciscoBurgas

SFO - BOJ

SFOBOJ

San Francisco

Mon 7/6

5:35 pm-10:35 pm

1 stop19h 00m

Bourgas

Tue 8/4

11:25 pm-3:55 pm

1 stop26h 30m

$1,273

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 April is also cheap. Prices for this month can be found on momondo for an average of $625.

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 $766 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 $665 on momondo.

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

You could potentially save up to 20% 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 30m

Direct flights

None
The fastest flight from San Francisco to Bulgaria takes 15h 30m
There are no direct flights from San Francisco to Bulgaria. There are no popular flight routes from San Francisco to Bulgaria.
Search flight deals

Frequently asked questions about flying from San Francisco to Bulgaria

  • 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 $391Free CancellationRating
7.4
4,322 reviews
Search Turkish Airlines flights
LufthansaPriceFrom $544Free CancellationRating
6.8
7,939 reviews
Search Lufthansa flights
British AirwaysPriceFrom $594Free CancellationRating
6.7
7,905 reviews
Search British Airways flights
United AirlinesPriceFrom $603Free CancellationRating
7.4
9,624 reviews
Search United Airlines flights
LOTPriceFrom $627Free CancellationRating
7.5
1,188 reviews
Search LOT flights
ITA AirwaysPriceFrom $651Free CancellationRating
6.7
1,195 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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