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Cheap flights from San Francisco to Bulgaria from $375

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 9/9. 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
9:40 pm - 10:45 pm
SFO
-
SOF
15h 05m
1 stop
Multiple Airlines Logo
6:25 am - 4:06 pm
SOF
-
SFO
19h 41m
2 stops
$729Multiple Airlines
Tue, Nov 24 - Tue, Dec 8
Lufthansa Logo
10:40 pm - 10:45 pm
SFO
-
SOF
15h 05m
1 stop
Lufthansa Logo
6:25 am - 12:35 pm
SOF
-
SFO
16h 10m
1 stop
$730Lufthansa
Wed, Oct 28 - Wed, Nov 11
Lufthansa Logo
10:40 pm - 10:45 pm
SFO
-
SOF
15h 05m
1 stop
Lufthansa Logo
6:25 am - 12:35 pm
SOF
-
SFO
16h 10m
1 stop
$733Lufthansa
Tue, Oct 27 - Tue, Nov 10
Multiple Airlines Logo
2:45 pm - 6:10 pm
SFO
-
SOF
17h 25m
1 stop
Multiple Airlines Logo
6:00 am - 8:32 pm
SOF
-
SFO
24h 32m
2 stops
$737Multiple Airlines
Tue, Nov 24 - Tue, Dec 8
Multiple Airlines Logo
8:30 am - 12:10 pm
SFO
-
SOF
17h 40m
2 stops
Multiple Airlines Logo
6:25 am - 12:35 pm
SOF
-
SFO
16h 10m
1 stop
$738Multiple Airlines
Wed, Oct 21 - Wed, Nov 4
Lufthansa Logo
9:40 pm - 10:45 pm
SFO
-
SOF
15h 05m
1 stop
Lufthansa Logo
2:00 pm - 7:35 pm
SOF
-
SFO
15h 35m
1 stop
$739Lufthansa
Tue, Nov 24 - Tue, Dec 8
British Airways Logo
9:40 pm - 8:10 pm
SFO
-
SOF
37h 30m
1 stop
British Airways Logo
5:25 pm - 3:00 pm
SOF
-
SFO
31h 35m
1 stop
$741British Airways
Mon, Oct 26 - Mon, Nov 9
Air Canada Logo
12:15 pm - 6:40 pm
SFO
-
SOF
20h 25m
2 stops
Air Canada Logo
6:25 am - 4:06 pm
SOF
-
SFO
19h 41m
2 stops
$747Air Canada
Wed, Oct 21 - Wed, Nov 4
Austrian Airlines Logo
4:50 pm - 3:15 pm
SFO
-
VAR
36h 25m
2 stops
Austrian Airlines Logo
8:30 pm - 7:19 pm
VAR
-
SFO
32h 49m
2 stops
$817Austrian Airlines
Wed, Sep 2 - Thu, Sep 24
Austrian Airlines Logo
9:05 pm - 3:15 pm
SFO
-
VAR
32h 10m
2 stops
Austrian Airlines Logo
8:30 pm - 7:19 pm
VAR
-
SFO
32h 49m
2 stops
$828Austrian Airlines
Wed, Sep 2 - Thu, Sep 24

Lufthansa flights from San Francisco to Bulgaria

Our best Lufthansa deals on San Francisco to Bulgaria flight tickets
Lufthansa
Oct 28
SFO10:40 pmSan Francisco
15h 05m
1 stop
SOF10:45 pmSofia
Nov 11
SOF6:25 amSofia
16h 10m
1 stop
SFO12:35 pmSan Francisco
$730
Lufthansa
Oct 27
SFO10:40 pmSan Francisco
15h 05m
1 stop
SOF10:45 pmSofia
Nov 10
SOF6:25 amSofia
16h 10m
1 stop
SFO12:35 pmSan Francisco
$733
Lufthansa
Nov 24
SFO9:40 pmSan Francisco
15h 05m
1 stop
SOF10:45 pmSofia
Dec 8
SOF2:00 pmSofia
15h 35m
1 stop
SFO7:35 pmSan Francisco
$739

United Airlines flights from San Francisco to Bulgaria

Our best United Airlines deals on San Francisco to Bulgaria flight tickets
United Airlines
Nov 24
SFO5:20 amSan Francisco
21h 55m
2 stops
SOF1:15 pmSofia
Dec 8
SOF6:25 amSofia
22h 22m
2 stops
SFO6:47 pmSan Francisco
$762
United Airlines
Nov 23
SFO12:00 pmSan Francisco
20h 20m
2 stops
SOF6:20 pmSofia
Dec 7
SOF1:55 pmSofia
34h 55m
1 stop
SFO2:50 pmSan Francisco
$764
United Airlines
Oct 18
SFO1:55 pmSan Francisco
23h 20m
1 stop
SOF11:15 pmSofia
Oct 22
SOF6:30 amSofia
23h 20m
1 stop
SFO7:50 pmSan Francisco
$765

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 28, 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 11/24

9:40 pm-10:45 pm

1 stop15h 05m

Sofia

Tue 12/8

6:25 am-4:06 pm

2 stops19h 41m

$729

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Wed 10/28

10:40 pm-10:45 pm

1 stop15h 05m

Sofia

Wed 11/11

6:25 am-12:35 pm

1 stop16h 10m

$730

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Tue 10/27

10:40 pm-10:45 pm

1 stop15h 05m

Sofia

Tue 11/10

6:25 am-12:35 pm

1 stop16h 10m

$733

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Tue 11/24

2:45 pm-6:10 pm

1 stop17h 25m

Sofia

Tue 12/8

6:00 am-8:32 pm

2 stops24h 32m

$737

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Wed 10/21

8:30 am-12:10 pm

2 stops17h 40m

Sofia

Wed 11/4

6:25 am-12:35 pm

1 stop16h 10m

$738
Quickest round-trip

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Tue 11/24

9:40 pm-10:45 pm

1 stop15h 05m

Sofia

Tue 12/8

2:00 pm-7:35 pm

1 stop15h 35m

$739

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Mon 10/26

9:40 pm-8:10 pm

1 stop37h 30m

Sofia

Mon 11/9

5:25 pm-3:00 pm

1 stop31h 35m

$741

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Wed 10/21

12:15 pm-6:40 pm

2 stops20h 25m

Sofia

Wed 11/4

6:25 am-4:06 pm

2 stops19h 41m

$747

San FranciscoVarna

SFO - VAR

SFOVAR

San Francisco

Wed 9/2

4:50 pm-3:15 pm

2 stops36h 25m

Varna

Thu 9/24

8:30 pm-7:19 pm

2 stops32h 49m

$817

San FranciscoVarna

SFO - VAR

SFOVAR

San Francisco

Wed 9/2

9:05 pm-3:15 pm

2 stops32h 10m

Varna

Thu 9/24

8:30 pm-7:19 pm

2 stops32h 49m

$828

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 $757 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

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

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
4,395 reviews
Search Turkish Airlines flights
LufthansaPriceFrom $534Free CancellationRating
6.8
8,032 reviews
Search Lufthansa flights
United AirlinesPriceFrom $603Free CancellationRating
7.4
9,751 reviews
Search United Airlines flights
LOTPriceFrom $627Free CancellationRating
7.5
1,195 reviews
Search LOT 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.

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