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Cheap flights from San Francisco to Bulgaria from $359

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 8/8. 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.
Turkish Airlines Logo
12:55 pm - 8:45 am
SFO
-
SOF
33h 50m
1 stop
Turkish Airlines Logo
9:05 pm - 10:50 am
SOF
-
SFO
23h 45m
1 stop
$693Turkish Airlines
Tue, Sep 1 - Wed, Sep 16
Turkish Airlines Logo
6:45 pm - 3:00 pm
SFO
-
SOF
34h 15m
1 stop
Turkish Airlines Logo
3:50 pm - 10:50 am
SOF
-
SFO
29h 00m
1 stop
$694Turkish Airlines
Tue, Sep 1 - Wed, Sep 23
Turkish Airlines Logo
12:55 pm - 3:00 pm
SFO
-
SOF
16h 05m
1 stop
Turkish Airlines Logo
9:05 pm - 4:40 pm
SOF
-
SFO
29h 35m
1 stop
$698Turkish Airlines
Tue, Sep 1 - Wed, Sep 23
Turkish Airlines Logo
12:55 pm - 8:45 am
SFO
-
SOF
33h 50m
1 stop
Turkish Airlines Logo
9:35 am - 4:40 pm
SOF
-
SFO
17h 05m
1 stop
$700Turkish Airlines
Tue, Sep 1 - Thu, Sep 24
Multiple Airlines Logo
9:40 pm - 10:45 pm
SFO
-
SOF
15h 05m
1 stop
Multiple Airlines Logo
6:10 am - 8:35 pm
SOF
-
SFO
24h 25m
2 stops
$720Multiple Airlines
Wed, Nov 4 - Wed, Nov 18
Multiple Airlines Logo
8:25 am - 1:15 pm
SFO
-
SOF
18h 50m
2 stops
Multiple Airlines Logo
6:10 am - 8:35 pm
SOF
-
SFO
24h 25m
2 stops
$724Multiple Airlines
Wed, Nov 4 - Wed, Nov 18
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
$821Austrian Airlines
Tue, Aug 11 - Tue, Sep 15
Austrian Airlines Logo
2:40 pm - 3:15 pm
SFO
-
BOJ
38h 35m
2 stops
Austrian Airlines Logo
1:05 pm - 7:00 pm
BOJ
-
SFO
39h 55m
2 stops
$822Austrian Airlines
Tue, Aug 11 - Tue, Sep 15
Lufthansa Logo
1:54 pm - 6:45 pm
SFO
-
VAR
18h 51m
2 stops
Lufthansa Logo
11:45 am - 12:40 pm
VAR
-
SFO
34h 55m
1 stop
$893Lufthansa
Tue, Aug 11 - Tue, Sep 15
Lufthansa Logo
8:15 am - 6:45 pm
SFO
-
VAR
24h 30m
2 stops
Lufthansa Logo
4:00 pm - 12:40 pm
VAR
-
SFO
30h 40m
2 stops
$894Lufthansa
Tue, Aug 11 - Tue, Sep 15

KLM flights from San Francisco to Bulgaria

Our best KLM deals on San Francisco to Bulgaria flight tickets
KLM
Aug 5
SFO7:00 amSan Francisco
21h 00m
2 stops
SOF2:00 pmSofia
Aug 19
SOF7:00 amSofia
19h 51m
2 stops
SFO4:51 pmSan Francisco
$765
KLM
Jul 27
SFO7:00 amSan Francisco
21h 00m
2 stops
SOF2:00 pmSofia
Sep 8
SOF7:00 amSofia
19h 23m
2 stops
SFO4:23 pmSan Francisco
$842
KLM
May 19
SFO9:30 amSan Francisco
18h 30m
2 stops
SOF2:00 pmSofia
May 31
SOF7:00 amSofia
22h 20m
2 stops
SFO7:20 pmSan Francisco
$1,209

United Airlines flights from San Francisco to Bulgaria

Our best United Airlines deals on San Francisco to Bulgaria flight tickets
United Airlines
Aug 5
SFO2:00 pmSan Francisco
23h 15m
1 stop
SOF11:15 pmSofia
Aug 19
SOF8:00 amSofia
35h 18m
2 stops
SFO9:18 amSan Francisco
$779
United Airlines
Aug 5
SFO5:00 amSan Francisco
32h 15m
2 stops
SOF11:15 pmSofia
Aug 25
SOF6:10 amSofia
18h 10m
1 stop
SFO2:20 pmSan Francisco
$814
United Airlines
Aug 6
SFO9:05 pmSan Francisco
16h 10m
1 stop
SOF11:15 pmSofia
Aug 20
SOF6:10 amSofia
35h 14m
2 stops
SFO7:24 amSan Francisco
$815

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 May 10, 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

Tue 9/1

12:55 pm-8:45 am

1 stop33h 50m

Sofia

Wed 9/16

9:05 pm-10:50 am

1 stop23h 45m

$693

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Tue 9/1

6:45 pm-3:00 pm

1 stop34h 15m

Sofia

Wed 9/23

3:50 pm-10:50 am

1 stop29h 00m

$694

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Tue 9/1

12:55 pm-3:00 pm

1 stop16h 05m

Sofia

Wed 9/23

9:05 pm-4:40 pm

1 stop29h 35m

$698

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Tue 9/1

12:55 pm-8:45 am

1 stop33h 50m

Sofia

Thu 9/24

9:35 am-4:40 pm

1 stop17h 05m

$700
Quickest round-trip

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Wed 11/4

9:40 pm-10:45 pm

1 stop15h 05m

Sofia

Wed 11/18

6:10 am-8:35 pm

2 stops24h 25m

$720

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Wed 11/4

8:25 am-1:15 pm

2 stops18h 50m

Sofia

Wed 11/18

6:10 am-8:35 pm

2 stops24h 25m

$724

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

$821

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-7:00 pm

2 stops39h 55m

$822

San FranciscoVarna

SFO - VAR

SFOVAR

San Francisco

Tue 8/11

1:54 pm-6:45 pm

2 stops18h 51m

Varna

Tue 9/15

11:45 am-12:40 pm

1 stop34h 55m

$893

San FranciscoVarna

SFO - VAR

SFOVAR

San Francisco

Tue 8/11

8:15 am-6:45 pm

2 stops24h 30m

Varna

Tue 9/15

4:00 pm-12:40 pm

2 stops30h 40m

$894

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 August, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $381.

How far in advance should I book a flight from San Francisco 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 $752 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 $681 on momondo.

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

You could potentially save up to 13% 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 15m

Direct flights

None
The fastest flight from San Francisco to Bulgaria takes 14h 15m
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
4,357 reviews
Search Turkish Airlines flights
LufthansaPriceFrom $534Free CancellationRating
6.8
7,985 reviews
Search Lufthansa flights
United AirlinesPriceFrom $603Free CancellationRating
7.4
9,696 reviews
Search United Airlines flights
LOTPriceFrom $627Free CancellationRating
7.5
1,193 reviews
Search LOT flights
ITA AirwaysPriceFrom $651Free CancellationRating
6.7
1,213 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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