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Cheap flights from San Francisco to Bulgaria from $388

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 10/29. 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
4:30 pm - 1:35 am
SFO
-
SOF
23h 05m
2 stops
Multiple Airlines Logo
11:25 pm - 2:30 pm
SOF
-
SFO
25h 05m
2 stops
$684Multiple Airlines
Mon, Sep 14 - Tue, Sep 22
Multiple Airlines Logo
8:25 am - 1:15 pm
SFO
-
SOF
18h 50m
2 stops
Multiple Airlines Logo
6:25 am - 4:06 pm
SOF
-
SFO
19h 41m
2 stops
$720Multiple Airlines
Wed, Nov 4 - Wed, Nov 18
Multiple Airlines Logo
4:35 pm - 1:35 am
SFO
-
SOF
23h 00m
2 stops
Multiple Airlines Logo
6:45 pm - 2:35 pm
SOF
-
SFO
29h 50m
2 stops
$724Multiple Airlines
Wed, Oct 7 - Tue, Oct 20
Multiple Airlines Logo
4:30 pm - 12:10 am
SFO
-
SOF
21h 40m
2 stops
Multiple Airlines Logo
7:30 pm - 2:30 pm
SOF
-
SFO
29h 00m
2 stops
$725Multiple Airlines
Sun, Aug 9 - Mon, Aug 24
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
$726Multiple Airlines
Tue, Nov 10 - Wed, Nov 18
Lufthansa Logo
9:40 pm - 10:45 pm
SFO
-
SOF
15h 05m
1 stop
Lufthansa Logo
6:25 am - 5:21 pm
SOF
-
SFO
20h 56m
2 stops
$727Lufthansa
Wed, Jan 6 - Wed, Jan 20
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
$729Lufthansa
Wed, Nov 4 - Wed, Nov 18
Austrian Airlines Logo
9:05 pm - 3:15 pm
SFO
-
BOJ
32h 10m
2 stops
Austrian Airlines Logo
1:05 pm - 12:40 pm
BOJ
-
SFO
33h 35m
2 stops
$865Austrian Airlines
Tue, Aug 11 - Tue, Sep 15
Austrian Airlines Logo
9:05 pm - 3:15 pm
SFO
-
BOJ
32h 10m
2 stops
Austrian Airlines Logo
1:05 pm - 7:00 pm
BOJ
-
SFO
39h 55m
2 stops
$866Austrian Airlines
Tue, Aug 11 - Tue, Sep 15
Aer Lingus Logo
5:40 pm - 10:35 pm
SFO
-
BOJ
18h 55m
1 stop
Aer Lingus Logo
11:25 pm - 3:50 pm
BOJ
-
SFO
26h 25m
1 stop
$1,130Aer Lingus
Wed, Sep 2 - Thu, Sep 24

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Lufthansa flights from San Francisco to Bulgaria

Our best Lufthansa deals on San Francisco to Bulgaria flight tickets
Lufthansa
Jan 6
SFO9:40 pmSan Francisco
15h 05m
1 stop
SOF10:45 pmSofia
Jan 20
SOF6:25 amSofia
20h 56m
2 stops
SFO5:21 pmSan Francisco
$727
Lufthansa
Nov 3
SFO9:40 pmSan Francisco
15h 05m
1 stop
SOF10:45 pmSofia
Nov 17
SOF6:25 amSofia
16h 10m
1 stop
SFO12:35 pmSan Francisco
$729
Lufthansa
Nov 10
SFO9:40 pmSan Francisco
15h 05m
1 stop
SOF10:45 pmSofia
Nov 18
SOF6:25 amSofia
16h 10m
1 stop
SFO12:35 pmSan Francisco
$732

Air Canada flights from San Francisco to Bulgaria

Our best Air Canada deals on San Francisco to Bulgaria flight tickets
Air Canada
Nov 10
SFO9:00 amSan Francisco
23h 20m
2 stops
SOF6:20 pmSofia
Nov 18
SOF6:25 amSofia
24h 07m
2 stops
SFO8:32 pmSan Francisco
$746
Air Canada
Jan 5
SFO8:40 amSan Francisco
23h 40m
2 stops
SOF6:20 pmSofia
Jan 19
SOF6:25 amSofia
26h 32m
2 stops
SFO10:57 pmSan Francisco
$755

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 10, 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 9/14

4:30 pm-1:35 am

2 stops23h 05m

Sofia

Tue 9/22

11:25 pm-2:30 pm

2 stops25h 05m

$684

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Wed 11/4

8:25 am-1:15 pm

2 stops18h 50m

Sofia

Wed 11/18

6:25 am-4:06 pm

2 stops19h 41m

$720

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Wed 10/7

4:35 pm-1:35 am

2 stops23h 00m

Sofia

Tue 10/20

6:45 pm-2:35 pm

2 stops29h 50m

$724

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Sun 8/9

4:30 pm-12:10 am

2 stops21h 40m

Sofia

Mon 8/24

7:30 pm-2:30 pm

2 stops29h 00m

$725

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Tue 11/10

9:40 pm-10:45 pm

1 stop15h 05m

Sofia

Wed 11/18

6:25 am-4:06 pm

2 stops19h 41m

$726

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Wed 1/6

9:40 pm-10:45 pm

1 stop15h 05m

Sofia

Wed 1/20

6:25 am-5:21 pm

2 stops20h 56m

$727
Quickest round-trip

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Wed 11/4

9:40 pm-10:45 pm

1 stop15h 05m

Sofia

Wed 11/18

6:25 am-12:35 pm

1 stop16h 10m

$729

San FranciscoBurgas

SFO - BOJ

SFOBOJ

San Francisco

Tue 8/11

9:05 pm-3:15 pm

2 stops32h 10m

Bourgas

Tue 9/15

1:05 pm-12:40 pm

2 stops33h 35m

$865

San FranciscoBurgas

SFO - BOJ

SFOBOJ

San Francisco

Tue 8/11

9:05 pm-3:15 pm

2 stops32h 10m

Bourgas

Tue 9/15

1:05 pm-7:00 pm

2 stops39h 55m

$866

San FranciscoBurgas

SFO - BOJ

SFOBOJ

San Francisco

Wed 9/2

5:40 pm-10:35 pm

1 stop18h 55m

Bourgas

Thu 9/24

11:25 pm-3:50 pm

1 stop26h 25m

$1,130

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 $768 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 37% 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
4,443 reviews
Search Turkish Airlines flights
LufthansaPriceFrom $534Free CancellationRating
6.8
8,132 reviews
Search Lufthansa flights
United AirlinesPriceFrom $603Free CancellationRating
7.4
9,975 reviews
Search United Airlines flights
LOTPriceFrom $627Free CancellationRating
7.5
1,210 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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