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Cheap flights from San Francisco to Bulgaria from $341

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 10/18. 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

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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.
Multiple Airlines Logo
9:40 pm - 10:55 pmSFO  San Francisco-SOF Sofia
15h 15m1 stop Munich Franz Josef Strauss
Multiple Airlines Logo
6:25 am - 8:32 pmSOF  Sofia-SFO San Francisco
24h 07m2 stops Frankfurt am Main Vancouver Intl
$721Multiple Airlines
Wed, Feb 3 - Wed, Feb 17
Multiple Airlines Logo
11:25 am - 6:20 pmSFO  San Francisco-SOF Sofia
20h 55m2 stops Vancouver Intl Munich Franz Josef Strauss
Multiple Airlines Logo
2:00 pm - 7:35 pmSOF  Sofia-SFO San Francisco
15h 35m1 stop Munich Franz Josef Strauss
$721Multiple Airlines
Tue, Dec 8 - Tue, Dec 22
Lufthansa Logo
9:40 pm - 10:55 pmSFO  San Francisco-SOF Sofia
15h 15m1 stop Munich Franz Josef Strauss
Lufthansa Logo
6:25 am - 12:35 pmSOF  Sofia-SFO San Francisco
16h 10m1 stop Frankfurt am Main
$722Lufthansa
Wed, Nov 11 - Wed, Nov 25
Lufthansa Logo
9:40 pm - 10:55 pmSFO  San Francisco-SOF Sofia
15h 15m1 stop Munich Franz Josef Strauss
Lufthansa Logo
6:25 am - 12:35 pmSOF  Sofia-SFO San Francisco
16h 10m1 stop Frankfurt am Main
$722Lufthansa
Tue, Nov 10 - Tue, Nov 24
Turkish Airlines Logo
12:50 pm - 8:45 amSFO  San Francisco-SOF Sofia
33h 55m1 stop Istanbul
Turkish Airlines Logo
3:50 pm - 10:45 amSOF  Sofia-SFO San Francisco
28h 55m1 stop Istanbul
$730Turkish Airlines
Mon, Sep 28 - Wed, Oct 14
Turkish Airlines Logo
12:50 pm - 3:00 pmSFO  San Francisco-SOF Sofia
16h 10m1 stop Istanbul
Turkish Airlines Logo
9:35 am - 4:40 pmSOF  Sofia-SFO San Francisco
17h 05m1 stop Istanbul
$740Turkish Airlines
Thu, Oct 8 - Thu, Oct 22
LOT Logo
3:55 pm - 6:00 pmSFO  San Francisco-SOF Sofia
16h 05m1 stop Warsaw Frederic Chopin
LOT Logo
2:35 pm - 8:40 pmSOF  Sofia-SFO San Francisco
16h 05m1 stop Warsaw Frederic Chopin
$740LOT
Thu, Oct 8 - Wed, Oct 21
United Airlines Logo
1:30 pm - 10:55 pmSFO  San Francisco-SOF Sofia
23h 25m1 stop Munich Franz Josef Strauss
United Airlines Logo
2:10 pm - 8:10 pmSOF  Sofia-SFO San Francisco
16h 00m1 stop Frankfurt am Main
$746United Airlines
Sun, Nov 15 - Wed, Nov 18
United Airlines Logo
1:30 pm - 10:55 pmSFO  San Francisco-SOF Sofia
23h 25m1 stop Munich Franz Josef Strauss
United Airlines Logo
6:25 am - 4:05 pmSOF  Sofia-SFO San Francisco
19h 40m1 stop Frankfurt am Main
$747United Airlines
Mon, Feb 1 - Wed, Feb 17
LOT Logo
10:40 pm - 1:50 pmSFO  San Francisco-SOF Sofia
29h 10m1 stop Warsaw Frederic Chopin
LOT Logo
2:35 pm - 2:00 pmSOF  Sofia-SFO San Francisco
33h 25m1 stop Warsaw Frederic Chopin
$774LOT
Wed, Oct 14 - Wed, Oct 21

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Lufthansa flights from San Francisco to Bulgaria

Our best Lufthansa deals on San Francisco to Bulgaria flight tickets
Lufthansa
Nov 10
SFO9:40 pmSan Francisco
15h 15m
1 stop
SOF10:55 pmSofia
Nov 24
SOF6:25 amSofia
16h 10m
1 stop
SFO12:35 pmSan Francisco
$722
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
$725
Lufthansa
Dec 7
SFO9:40 pmSan Francisco
15h 15m
1 stop
SOF10:55 pmSofia
Dec 21
SOF7:05 pmSofia
34h 30m
1 stop
SFO7:35 pmSan Francisco
$735

Turkish Airlines flights from San Francisco to Bulgaria

Our best Turkish Airlines deals on San Francisco to Bulgaria flight tickets
Turkish Airlines
Sep 28
SFO12:50 pmSan Francisco
33h 55m
1 stop
SOF8:45 amSofia
Oct 14
SOF3:50 pmSofia
28h 55m
1 stop
SFO10:45 amSan Francisco
$730
Turkish Airlines
Oct 8
SFO12:50 pmSan Francisco
16h 10m
1 stop
SOF3:00 pmSofia
Oct 22
SOF9:35 amSofia
17h 05m
1 stop
SFO4:40 pmSan Francisco
$740
Turkish Airlines
Oct 8
SFO6:45 pmSan Francisco
15h 35m
1 stop
SOF8:20 pmSofia
Oct 23
SOF9:35 amSofia
17h 05m
1 stop
SFO4:40 pmSan Francisco
$744

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 August 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 San Francisco - SOF Sofia

SFOSOF

San Francisco

Wed 2/3

9:40 pm-10:55 pm

1 stop15h 15m

Sofia

Wed 2/17

6:25 am-8:32 pm

2 stops24h 07m

$721

San FranciscoSofia

SFO San Francisco - SOF Sofia

SFOSOF

San Francisco

Tue 12/8

11:25 am-6:20 pm

2 stops20h 55m

Sofia

Tue 12/22

2:00 pm-7:35 pm

1 stop15h 35m

$721
Quickest round-trip

San FranciscoSofia

SFO San Francisco - SOF Sofia

SFOSOF

San Francisco

Wed 11/11

9:40 pm-10:55 pm

1 stop15h 15m

Sofia

Wed 11/25

6:25 am-12:35 pm

1 stop16h 10m

$722

San FranciscoSofia

SFO San Francisco - SOF Sofia

SFOSOF

San Francisco

Tue 11/10

9:40 pm-10:55 pm

1 stop15h 15m

Sofia

Tue 11/24

6:25 am-12:35 pm

1 stop16h 10m

$722

San FranciscoSofia

SFO San Francisco - SOF Sofia

SFOSOF

San Francisco

Mon 9/28

12:50 pm-8:45 am

1 stop33h 55m

Sofia

Wed 10/14

3:50 pm-10:45 am

1 stop28h 55m

$730

San FranciscoSofia

SFO San Francisco - SOF Sofia

SFOSOF

San Francisco

Thu 10/8

12:50 pm-3:00 pm

1 stop16h 10m

Sofia

Thu 10/22

9:35 am-4:40 pm

1 stop17h 05m

$740

San FranciscoSofia

SFO San Francisco - SOF Sofia

SFOSOF

San Francisco

Thu 10/8

3:55 pm-6:00 pm

1 stop16h 05m

Sofia

Wed 10/21

2:35 pm-8:40 pm

1 stop16h 05m

$740

San FranciscoSofia

SFO San Francisco - SOF Sofia

SFOSOF

San Francisco

Sun 11/15

1:30 pm-10:55 pm

1 stop23h 25m

Sofia

Wed 11/18

2:10 pm-8:10 pm

1 stop16h 00m

$746

San FranciscoSofia

SFO San Francisco - SOF Sofia

SFOSOF

San Francisco

Mon 2/1

1:30 pm-10:55 pm

1 stop23h 25m

Sofia

Wed 2/17

6:25 am-4:05 pm

1 stop19h 40m

$747

San FranciscoSofia

SFO San Francisco - SOF Sofia

SFOSOF

San Francisco

Wed 10/14

10:40 pm-1:50 pm

1 stop29h 10m

Sofia

Wed 10/21

2:35 pm-2:00 pm

1 stop33h 25m

$774

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 $770 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 56% 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 15m

Direct flights

None
The fastest flight from San Francisco to Bulgaria takes 15h 15m
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
4,479 reviews
Search Turkish Airlines flights
LufthansaPriceFrom $542Free CancellationRating
6.8
8,174 reviews
Search Lufthansa flights
United AirlinesPriceFrom $603Free CancellationRating
7.4
10,095 reviews
Search United Airlines flights
LOTPriceFrom $627Free CancellationRating
7.5
1,214 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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