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Cheap flights from San Francisco to Bulgaria from $392

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 7/20. 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.
Multiple Airlines Logo
10:40 pm - 11:55 pm
SFO
-
SOF
16h 15m
2 stops
Multiple Airlines Logo
6:25 am - 4:06 pm
SOF
-
SFO
19h 41m
2 stops
$817Multiple Airlines
Fri, Oct 30 - Fri, Nov 6
Multiple Airlines Logo
11:10 am - 6:00 pm
SFO
-
SOF
20h 50m
2 stops
Multiple Airlines Logo
6:20 am - 12:40 pm
SOF
-
SFO
16h 20m
1 stop
$818Multiple Airlines
Tue, Aug 25 - Wed, Sep 16
Multiple Airlines Logo
9:05 pm - 11:15 pm
SFO
-
SOF
16h 10m
1 stop
Multiple Airlines Logo
11:05 am - 6:31 pm
SOF
-
SFO
17h 26m
2 stops
$819Multiple Airlines
Tue, Sep 8 - Wed, Sep 23
United Airlines Logo
11:59 pm - 6:20 pm
SFO
-
SOF
32h 21m
2 stops
United Airlines Logo
6:25 am - 9:28 pm
SOF
-
SFO
25h 03m
2 stops
$821United Airlines
Sat, Nov 21 - Sat, Dec 5
United Airlines Logo
9:05 pm - 11:15 pm
SFO
-
SOF
16h 10m
1 stop
United Airlines Logo
6:20 am - 3:20 pm
SOF
-
SFO
19h 00m
1 stop
$823United Airlines
Tue, Sep 8 - Fri, Sep 25
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
$825Lufthansa
Sat, Oct 24 - Sat, Nov 7
Air Canada Logo
8:10 am - 6:40 pm
SFO
-
SOF
24h 30m
2 stops
Air Canada Logo
6:20 am - 7:49 pm
SOF
-
SFO
23h 29m
2 stops
$827Air Canada
Tue, Aug 25 - Wed, Sep 16
Lufthansa Logo
2:40 pm - 7:15 pm
SFO
-
VAR
18h 35m
1 stop
Lufthansa Logo
11:45 am - 12:40 pm
VAR
-
SFO
34h 55m
1 stop
$842Lufthansa
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 - 12:40 pm
BOJ
-
SFO
33h 35m
2 stops
$877Austrian Airlines
Tue, Aug 11 - Tue, Sep 15
Austrian Airlines Logo
2:40 pm - 12:20 pm
SFO
-
BOJ
35h 40m
2 stops
Austrian Airlines Logo
4:00 pm - 7:08 pm
BOJ
-
SFO
37h 08m
2 stops
$1,069Austrian Airlines
Wed, Sep 2 - Thu, Sep 24

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United Airlines flights from San Francisco to Bulgaria

Our best United Airlines deals on San Francisco to Bulgaria flight tickets
United Airlines
Nov 21
SFO11:59 pmSan Francisco
32h 21m
2 stops
SOF6:20 pmSofia
Dec 5
SOF6:25 amSofia
25h 03m
2 stops
SFO9:28 pmSan Francisco
$821
United Airlines
Sep 8
SFO1:55 pmSan Francisco
18h 45m
1 stop
SOF6:40 pmSofia
Sep 25
SOF6:20 amSofia
26h 45m
2 stops
SFO11:05 pmSan Francisco
$823
United Airlines
Sep 6
SFO9:05 pmSan Francisco
16h 10m
1 stop
SOF11:15 pmSofia
Sep 24
SOF6:30 amSofia
18h 50m
1 stop
SFO3:20 pmSan Francisco
$824

Lufthansa flights from San Francisco to Bulgaria

Our best Lufthansa deals on San Francisco to Bulgaria flight tickets
Lufthansa
Oct 24
SFO10:40 pmSan Francisco
15h 05m
1 stop
SOF10:45 pmSofia
Nov 7
SOF6:25 amSofia
16h 10m
1 stop
SFO12:35 pmSan Francisco
$825
Lufthansa
Oct 30
SFO10:40 pmSan Francisco
15h 05m
1 stop
SOF10:45 pmSofia
Nov 7
SOF2:00 pmSofia
15h 35m
1 stop
SFO7:35 pmSan Francisco
$833
Lufthansa
Aug 11
SFO2:40 pmSan Francisco
18h 35m
1 stop
VAR7:15 pmVarna
Sep 15
VAR11:45 amVarna
34h 55m
1 stop
SFO12:40 pmSan Francisco
$842

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 June 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

Fri 10/30

10:40 pm-11:55 pm

2 stops16h 15m

Sofia

Fri 11/6

6:25 am-4:06 pm

2 stops19h 41m

$817

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Tue 8/25

11:10 am-6:00 pm

2 stops20h 50m

Sofia

Wed 9/16

6:20 am-12:40 pm

1 stop16h 20m

$818

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Tue 9/8

9:05 pm-11:15 pm

1 stop16h 10m

Sofia

Wed 9/23

11:05 am-6:31 pm

2 stops17h 26m

$819

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Sat 11/21

11:59 pm-6:20 pm

2 stops32h 21m

Sofia

Sat 12/5

6:25 am-9:28 pm

2 stops25h 03m

$821

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Tue 9/8

9:05 pm-11:15 pm

1 stop16h 10m

Sofia

Fri 9/25

6:20 am-3:20 pm

1 stop19h 00m

$823
Quickest round-trip

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Sat 10/24

10:40 pm-10:45 pm

1 stop15h 05m

Sofia

Sat 11/7

6:25 am-12:35 pm

1 stop16h 10m

$825

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Tue 8/25

8:10 am-6:40 pm

2 stops24h 30m

Sofia

Wed 9/16

6:20 am-7:49 pm

2 stops23h 29m

$827

San FranciscoVarna

SFO - VAR

SFOVAR

San Francisco

Tue 8/11

2:40 pm-7:15 pm

1 stop18h 35m

Varna

Tue 9/15

11:45 am-12:40 pm

1 stop34h 55m

$842

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

$877

San FranciscoBurgas

SFO - BOJ

SFOBOJ

San Francisco

Wed 9/2

2:40 pm-12:20 pm

2 stops35h 40m

Bourgas

Thu 9/24

4:00 pm-7:08 pm

2 stops37h 08m

$1,069

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 May, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $415.

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 $764 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 14% 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
4,424 reviews
Search Turkish Airlines flights
LufthansaPriceFrom $534Free CancellationRating
6.8
8,104 reviews
Search Lufthansa flights
United AirlinesPriceFrom $603Free CancellationRating
7.4
9,899 reviews
Search United Airlines flights
LOTPriceFrom $627Free CancellationRating
7.5
1,207 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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