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Cheap flights from San Francisco to Bulgaria from $320

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 10/17. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

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
3:50 pm - 4:40 pm
SOF
-
SFO
34h 50m
1 stop
$679Turkish Airlines
Mon, Oct 5 - Tue, Oct 13
Turkish Airlines Logo
7:35 pm - 8:55 pm
SFO
-
SOF
16h 20m
1 stop
Turkish Airlines Logo
9:45 pm - 4:30 pm
SOF
-
SFO
28h 45m
1 stop
$679Turkish Airlines
Mon, Oct 26 - Mon, Nov 9
Lufthansa Logo
9:40 pm - 10:45 pm
SFO
-
SOF
15h 05m
1 stop
Lufthansa Logo
6:25 am - 12:35 pm
SOF
-
SFO
16h 10m
1 stop
$728Lufthansa
Wed, Nov 25 - Wed, Dec 9
Multiple Airlines Logo
9:40 pm - 10:55 pm
SFO
-
SOF
15h 15m
1 stop
Multiple Airlines Logo
3:00 pm - 4:30 pm
SOF
-
SFO
35h 30m
1 stop
$731Multiple Airlines
Mon, Dec 28 - Mon, Jan 11
Multiple Airlines Logo
8:25 am - 1:15 pm
SFO
-
SOF
19h 50m
2 stops
Multiple Airlines Logo
6:25 am - 12:35 pm
SOF
-
SFO
16h 10m
1 stop
$732Multiple Airlines
Wed, Oct 28 - Wed, Nov 11
Lufthansa Logo
10:40 pm - 10:55 pm
SFO
-
SOF
15h 15m
1 stop
Lufthansa Logo
6:25 am - 12:35 pm
SOF
-
SFO
16h 10m
1 stop
$734Lufthansa
Tue, Oct 27 - Tue, Nov 10
United Airlines Logo
9:40 pm - 10:45 pm
SFO
-
SOF
15h 05m
1 stop
United Airlines Logo
6:25 am - 9:33 pm
SOF
-
SFO
25h 08m
2 stops
$754United Airlines
Mon, Dec 28 - Thu, Jan 28
United Airlines Logo
6:35 am - 1:15 pm
SFO
-
SOF
20h 40m
2 stops
United Airlines Logo
6:25 am - 7:45 pm
SOF
-
SFO
23h 20m
2 stops
$765United Airlines
Mon, Dec 28 - Thu, Jan 28
LOT Logo
10:40 pm - 6:00 pm
SFO
-
SOF
33h 20m
1 stop
LOT Logo
6:45 pm - 8:40 pm
SOF
-
SFO
35h 55m
1 stop
$869LOT
Sat, Sep 26 - Fri, Oct 16
LOT Logo
10:40 pm - 1:50 pm
SFO
-
SOF
29h 10m
1 stop
LOT Logo
6:45 pm - 8:40 pm
SOF
-
SFO
35h 55m
1 stop
$970LOT
Sat, Aug 15 - Tue, Sep 8

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Lufthansa flights from San Francisco to Bulgaria

Our best Lufthansa deals on San Francisco to Bulgaria flight tickets
Lufthansa
Nov 25
SFO9:40 pmSan Francisco
15h 05m
1 stop
SOF10:45 pmSofia
Dec 9
SOF6:25 amSofia
16h 10m
1 stop
SFO12:35 pmSan Francisco
$728
Lufthansa
Nov 25
SFO9:40 pmSan Francisco
15h 05m
1 stop
SOF10:45 pmSofia
Dec 9
SOF6:25 amSofia
16h 10m
1 stop
SFO12:35 pmSan Francisco
$735
Lufthansa
Dec 8
SFO9:40 pmSan Francisco
15h 15m
1 stop
SOF10:55 pmSofia
Jan 19
SOF6:25 amSofia
16h 10m
1 stop
SFO12:35 pmSan Francisco
$738

British Airways flights from San Francisco to Bulgaria

Our best British Airways deals on San Francisco to Bulgaria flight tickets
British Airways
Dec 28
SFO11:59 pmSan Francisco
34h 11m
2 stops
SOF8:10 pmSofia
Jan 11
SOF5:15 pmSofia
36h 55m
2 stops
SFO8:10 pmSan Francisco
$751
British Airways
Oct 26
SFO9:56 pmSan Francisco
37h 14m
2 stops
SOF8:10 pmSofia
Nov 9
SOF5:15 pmSofia
37h 06m
2 stops
SFO8:21 pmSan Francisco
$775

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 July 29, 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

Mon 10/5

6:45 pm-3:00 pm

1 stop34h 15m

Sofia

Tue 10/13

3:50 pm-4:40 pm

1 stop34h 50m

$679

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Mon 10/26

7:35 pm-8:55 pm

1 stop16h 20m

Sofia

Mon 11/9

9:45 pm-4:30 pm

1 stop28h 45m

$679
Quickest round-trip

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Wed 11/25

9:40 pm-10:45 pm

1 stop15h 05m

Sofia

Wed 12/9

6:25 am-12:35 pm

1 stop16h 10m

$728

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Mon 12/28

9:40 pm-10:55 pm

1 stop15h 15m

Sofia

Mon 1/11

3:00 pm-4:30 pm

1 stop35h 30m

$731

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Wed 10/28

8:25 am-1:15 pm

2 stops19h 50m

Sofia

Wed 11/11

6:25 am-12:35 pm

1 stop16h 10m

$732

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Tue 10/27

10:40 pm-10:55 pm

1 stop15h 15m

Sofia

Tue 11/10

6:25 am-12:35 pm

1 stop16h 10m

$734

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Mon 12/28

9:40 pm-10:45 pm

1 stop15h 05m

Sofia

Thu 1/28

6:25 am-9:33 pm

2 stops25h 08m

$754

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Mon 12/28

6:35 am-1:15 pm

2 stops20h 40m

Sofia

Thu 1/28

6:25 am-7:45 pm

2 stops23h 20m

$765

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Sat 9/26

10:40 pm-6:00 pm

1 stop33h 20m

Sofia

Fri 10/16

6:45 pm-8:40 pm

1 stop35h 55m

$869

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Sat 8/15

10:40 pm-1:50 pm

1 stop29h 10m

Sofia

Tue 9/8

6:45 pm-8:40 pm

1 stop35h 55m

$970

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 $653.

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 $769 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 $682 on momondo.

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

You could potentially save up to 44% 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
4,455 reviews
Search Turkish Airlines flights
LufthansaPriceFrom $542Free CancellationRating
6.8
8,164 reviews
Search Lufthansa flights
United AirlinesPriceFrom $603Free CancellationRating
7.4
10,049 reviews
Search United Airlines flights
LOTPriceFrom $627Free CancellationRating
7.6
1,212 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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