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Cheap flights from San Francisco to Bulgaria from $299

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 12/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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.
Lufthansa Logo
9:40 pm - 10:45 pmSFO-SOF
15h 05m1 stop
Lufthansa Logo
6:10 am - 5:36 pmSOF-SFO
21h 26m2 stops
$555Lufthansa
Find Deal
Mon, Dec 8 - Fri, Feb 6
Lufthansa Logo
9:40 pm - 10:45 pmSFO-SOF
15h 05m1 stop
Lufthansa Logo
6:10 am - 3:55 pmSOF-SFO
19h 45m1 stop
$564Lufthansa
Find Deal
Mon, Dec 8 - Fri, Feb 6
Lufthansa Logo
9:40 pm - 10:45 pmSFO-SOF
15h 05m1 stop
Lufthansa Logo
6:10 am - 12:40 pmSOF-SFO
16h 30m1 stop
$576Lufthansa
Find Deal
Wed, Jan 7 - Wed, Jan 21
Lufthansa Logo
9:40 pm - 10:45 pmSFO-SOF
15h 05m1 stop
Lufthansa Logo
6:00 am - 12:40 pmSOF-SFO
16h 40m1 stop
$582Lufthansa
Find Deal
Tue, Dec 9 - Tue, Dec 23
Lufthansa Logo
9:25 pm - 10:45 pmSFO-SOF
15h 20m1 stop
Lufthansa Logo
6:10 am - 12:40 pmSOF-SFO
16h 30m1 stop
$584Lufthansa
Find Deal
Wed, Feb 18 - Wed, Mar 4
Lufthansa Logo
9:25 pm - 10:45 pmSFO-SOF
15h 20m1 stop
Lufthansa Logo
1:45 pm - 7:35 pmSOF-SFO
15h 50m1 stop
$586Lufthansa
Find Deal
Mon, Feb 16 - Mon, Mar 2
Multiple Airlines Logo
8:25 am - 10:10 pmSFO-SOF
27h 45m2 stops
Multiple Airlines Logo
4:45 pm - 12:40 pmSOF-SFO
29h 55m2 stops
$587Multiple Airlines
Find Deal
Mon, Dec 8 - Mon, Dec 22
Multiple Airlines Logo
9:40 pm - 11:55 pmSFO-SOF
16h 15m2 stops
Multiple Airlines Logo
2:00 pm - 7:35 pmSOF-SFO
15h 35m1 stop
$590Multiple Airlines
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Wed, Jan 7 - Wed, Jan 21
Austrian Airlines Logo
12:50 pm - 3:15 pmSFO-VAR
40h 25m2 stops
Austrian Airlines Logo
4:00 pm - 9:39 pmVAR-SFO
39h 39m2 stops
$659Austrian Airlines
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Thu, Jan 22 - Mon, Jan 26
Austrian Airlines Logo
7:00 am - 3:15 pmSFO-VAR
22h 15m2 stops
Austrian Airlines Logo
4:00 pm - 9:39 pmVAR-SFO
39h 39m2 stops
$667Austrian Airlines
Find Deal
Thu, Jan 22 - Mon, Jan 26

United Airlines flights from San Francisco to Bulgaria

Our best United Airlines deals on San Francisco to Bulgaria flight tickets
United Airlines
Nov 28
SFO9:40 pmSan Francisco
15h 05m
1 stop
SOF10:45 pmSofia
Dec 4
SOF2:35 pmSofia
15h 35m
1 stop
SFO8:10 pmSan Francisco
$615
Find similar
United Airlines
Nov 28
SFO9:40 pmSan Francisco
15h 05m
1 stop
SOF10:45 pmSofia
Dec 3
SOF6:05 amSofia
18h 45m
1 stop
SFO2:50 pmSan Francisco
$617
Find similar
United Airlines
Nov 28
SFO1:25 pmSan Francisco
23h 20m
2 stops
SOF10:45 pmSofia
Dec 4
SOF6:00 amSofia
16h 40m
1 stop
SFO12:40 pmSan Francisco
$620
Find similar

Turkish Airlines flights from San Francisco to Bulgaria

Our best Turkish Airlines deals on San Francisco to Bulgaria flight tickets
Turkish Airlines
Mar 31
SFO6:45 pmSan Francisco
15h 30m
1 stop
SOF8:15 pmSofia
Sep 12
SOF9:05 pmSofia
23h 40m
1 stop
SFO10:45 amSan Francisco
$690
Find similar
Turkish Airlines
Mar 2
SFO6:50 pmSan Francisco
27h 55m
1 stop
SOF8:45 amSofia
Oct 12
SOF3:50 pmSofia
34h 55m
1 stop
SFO4:45 pmSan Francisco
$785
Find similar
Turkish Airlines
May 14
SFO12:50 pmSan Francisco
16h 10m
1 stop
SOF3:00 pmSofia
Jun 7
SOF9:35 amSofia
17h 10m
1 stop
SFO4:45 pmSan Francisco
$786
Find similar

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 November 18, 2025.
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 12/8

9:40 pm-10:45 pm

1 stop15h 05m

Sofia

Fri 2/6

6:10 am-5:36 pm

2 stops21h 26m

$555

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Mon 12/8

9:40 pm-10:45 pm

1 stop15h 05m

Sofia

Fri 2/6

6:10 am-3:55 pm

1 stop19h 45m

$564

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Wed 1/7

9:40 pm-10:45 pm

1 stop15h 05m

Sofia

Wed 1/21

6:10 am-12:40 pm

1 stop16h 30m

$576

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Tue 12/9

9:40 pm-10:45 pm

1 stop15h 05m

Sofia

Tue 12/23

6:00 am-12:40 pm

1 stop16h 40m

$582

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Wed 2/18

9:25 pm-10:45 pm

1 stop15h 20m

Sofia

Wed 3/4

6:10 am-12:40 pm

1 stop16h 30m

$584

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Mon 2/16

9:25 pm-10:45 pm

1 stop15h 20m

Sofia

Mon 3/2

1:45 pm-7:35 pm

1 stop15h 50m

$586

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Mon 12/8

8:25 am-10:10 pm

2 stops27h 45m

Sofia

Mon 12/22

4:45 pm-12:40 pm

2 stops29h 55m

$587

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Wed 1/7

9:40 pm-11:55 pm

2 stops16h 15m

Sofia

Wed 1/21

2:00 pm-7:35 pm

1 stop15h 35m

$590

San FranciscoVarna

SFO - VAR

SFOVAR

San Francisco

Thu 1/22

12:50 pm-3:15 pm

2 stops40h 25m

Varna

Mon 1/26

4:00 pm-9:39 pm

2 stops39h 39m

$659

San FranciscoVarna

SFO - VAR

SFOVAR

San Francisco

Thu 1/22

7:00 am-3:15 pm

2 stops22h 15m

Varna

Mon 1/26

4:00 pm-9:39 pm

2 stops39h 39m

$667

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 January, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $620.

What is the cheapest day to depart on your flight to Bulgaria?

The cheapest day to depart from San Francisco to Bulgaria is on a Thursday when prices can be found for as low as $832. On the other hand, Friday is the most expensive day to depart from San Francisco because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,318.

What is the cheapest time of day to depart on your flight to Bulgaria?

In the afternoon is the cheapest time of day to fly from San Francisco to Bulgaria when you can find flight prices for as low as $817. Flying to Bulgaria in the afternoon is an ideal time because this is during off-peak travel hours. Flights to Bulgaria are more costly in the morning, with an average ticket price of $1,363. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

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 $815 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 $633 on momondo.

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

Direct flights

None
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 $543Free CancellationRating
7.3
4,047 reviews
Search Turkish Airlines flights
LufthansaPriceFrom $615Free CancellationRating
6.8
7,576 reviews
Search Lufthansa flights
United AirlinesPriceFrom $627Free CancellationRating
7.4
9,019 reviews
Search United Airlines flights
ITA AirwaysPriceFrom $652Free CancellationRating
6.7
1,086 reviews
Search ITA Airways flights
Air CanadaPriceFrom $1,023Free CancellationRating
7.1
10,462 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.

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