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Cheap flights from San Francisco to Bulgaria from $433

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 7/7. 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.
Air Canada Logo
8:30 am - 12:10 pm
SFO
-
SOF
17h 40m
2 stops
Air Canada Logo
6:10 am - 8:59 pm
SOF
-
SFO
24h 49m
2 stops
$674Air Canada
Sat, Oct 10 - Sat, Oct 24
Lufthansa Logo
9:40 pm - 10:45 pm
SFO
-
SOF
15h 05m
1 stop
Lufthansa Logo
6:10 am - 12:40 pm
SOF
-
SFO
16h 30m
1 stop
$727Lufthansa
Wed, Nov 11 - Wed, Nov 25
Multiple Airlines Logo
9:40 pm - 10:45 pm
SFO
-
SOF
15h 05m
1 stop
Multiple Airlines Logo
6:10 am - 4:06 pm
SOF
-
SFO
19h 56m
2 stops
$728Multiple Airlines
Mon, Nov 9 - Wed, Nov 18
Lufthansa Logo
9:40 pm - 10:45 pm
SFO
-
SOF
15h 05m
1 stop
Lufthansa Logo
6:10 am - 12:40 pm
SOF
-
SFO
16h 30m
1 stop
$729Lufthansa
Tue, Nov 10 - Tue, Nov 24
Multiple Airlines Logo
9:40 pm - 10:45 pm
SFO
-
SOF
15h 05m
1 stop
Multiple Airlines Logo
6:10 am - 9:28 pm
SOF
-
SFO
25h 18m
2 stops
$731Multiple Airlines
Wed, Nov 11 - Wed, Nov 25
LOT Logo
3:50 pm - 6:00 pm
SFO
-
SOF
16h 10m
1 stop
LOT Logo
5:25 am - 1:50 pm
SOF
-
SFO
18h 25m
1 stop
$740LOT
Thu, Sep 10 - 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
$819Austrian Airlines
Wed, Sep 2 - Thu, Sep 24
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
$822Austrian Airlines
Tue, Aug 11 - Tue, Sep 15
Turkish Airlines Logo
12:55 pm - 9:20 pm
SFO
-
VAR
22h 25m
1 stop
Turkish Airlines Logo
3:45 am - 10:50 am
VAR
-
SFO
17h 05m
1 stop
$841Turkish Airlines
Tue, Aug 11 - Mon, Sep 14
Turkish Airlines Logo
6:45 pm - 9:20 pm
SFO
-
VAR
16h 35m
1 stop
Turkish Airlines Logo
9:20 am - 4:40 pm
VAR
-
SFO
17h 20m
1 stop
$872Turkish Airlines
Tue, Aug 11 - Tue, Sep 15

LOT flights from San Francisco to Bulgaria

Our best LOT deals on San Francisco to Bulgaria flight tickets
LOT
Sep 10
SFO3:50 pmSan Francisco
16h 10m
1 stop
SOF6:00 pmSofia
Sep 24
SOF5:25 amSofia
18h 25m
1 stop
SFO1:50 pmSan Francisco
$740
LOT
Sep 16
SFO10:15 pmSan Francisco
17h 40m
1 stop
SOF1:55 amSofia
Sep 30
SOF5:25 amSofia
24h 50m
1 stop
SFO8:15 pmSan Francisco
$746
LOT
Sep 12
SFO10:15 pmSan Francisco
17h 40m
1 stop
SOF1:55 amSofia
Sep 26
SOF2:35 pmSofia
15h 40m
1 stop
SFO8:15 pmSan Francisco
$761

Lufthansa flights from San Francisco to Bulgaria

Our best Lufthansa deals on San Francisco to Bulgaria flight tickets
Lufthansa
Nov 11
SFO9:40 pmSan Francisco
15h 05m
1 stop
SOF10:45 pmSofia
Nov 25
SOF6:10 amSofia
16h 30m
1 stop
SFO12:40 pmSan Francisco
$727
Lufthansa
Nov 10
SFO9:40 pmSan Francisco
15h 05m
1 stop
SOF10:45 pmSofia
Nov 24
SOF6:10 amSofia
16h 30m
1 stop
SFO12:40 pmSan Francisco
$729
Lufthansa
Nov 9
SFO9:40 pmSan Francisco
15h 05m
1 stop
SOF10:45 pmSofia
Nov 23
SOF7:05 pmSofia
34h 30m
1 stop
SFO7:35 pmSan Francisco
$741

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 15, 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

Sat 10/10

8:30 am-12:10 pm

2 stops17h 40m

Sofia

Sat 10/24

6:10 am-8:59 pm

2 stops24h 49m

$674
Quickest round-trip

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Wed 11/11

9:40 pm-10:45 pm

1 stop15h 05m

Sofia

Wed 11/25

6:10 am-12:40 pm

1 stop16h 30m

$727

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Mon 11/9

9:40 pm-10:45 pm

1 stop15h 05m

Sofia

Wed 11/18

6:10 am-4:06 pm

2 stops19h 56m

$728

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Tue 11/10

9:40 pm-10:45 pm

1 stop15h 05m

Sofia

Tue 11/24

6:10 am-12:40 pm

1 stop16h 30m

$729

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Wed 11/11

9:40 pm-10:45 pm

1 stop15h 05m

Sofia

Wed 11/25

6:10 am-9:28 pm

2 stops25h 18m

$731

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Thu 9/10

3:50 pm-6:00 pm

1 stop16h 10m

Sofia

Thu 9/24

5:25 am-1:50 pm

1 stop18h 25m

$740

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

$819

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

$822

San FranciscoVarna

SFO - VAR

SFOVAR

San Francisco

Tue 8/11

12:55 pm-9:20 pm

1 stop22h 25m

Varna

Mon 9/14

3:45 am-10:50 am

1 stop17h 05m

$841

San FranciscoVarna

SFO - VAR

SFOVAR

San Francisco

Tue 8/11

6:45 pm-9:20 pm

1 stop16h 35m

Varna

Tue 9/15

9:20 am-4:40 pm

1 stop17h 20m

$872

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

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
4,367 reviews
Search Turkish Airlines flights
LufthansaPriceFrom $534Free CancellationRating
6.8
8,002 reviews
Search Lufthansa flights
United AirlinesPriceFrom $603Free CancellationRating
7.4
9,717 reviews
Search United Airlines flights
LOTPriceFrom $627Free CancellationRating
7.5
1,190 reviews
Search LOT flights
ITA AirwaysPriceFrom $651Free CancellationRating
6.7
1,217 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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