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Cheap flights from Bulgaria to San Francisco from $450

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Bulgaria to San Francisco departing on 9/9. 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 Bulgaria to San Francisco

Recent round-trip flight deals from Bulgaria to San Francisco

Enter your travel dates to find the best prices.
Multiple Airlines Logo
2:35 pm - 2:40 pmSOF  Sofia-SFO San Francisco
34h 05m3 stops Warsaw Frederic Chopin Stockholm Arlanda Kastrup Copenhagen
Multiple Airlines Logo
4:45 pm - 3:00 amSFO  San Francisco-SOF Sofia
24h 15m3 stops Kastrup Copenhagen Stockholm Arlanda Belgrade Nikola Tesla
$882Multiple Airlines
Wed, Sep 23 - Wed, Sep 30
Multiple Airlines Logo
5:15 pm - 2:30 pmSOF  Sofia-SFO San Francisco
31h 15m2 stops Madrid Barajas Lisbon Humberto Delgado
Multiple Airlines Logo
8:30 am - 12:40 amSFO  San Francisco-SOF Sofia
30h 10m3 stops Toronto Pearson Intl Barcelona-El Prat London Stansted
$919Multiple Airlines
Wed, Sep 23 - Wed, Sep 30
LOT Logo
6:45 pm - 2:00 pmSOF  Sofia-SFO San Francisco
29h 15m1 stop Warsaw Frederic Chopin
LOT Logo
10:40 pm - 6:00 pmSFO  San Francisco-SOF Sofia
33h 20m1 stop Warsaw Frederic Chopin
$920LOT
Wed, Sep 23 - Wed, Sep 30
Lufthansa Logo
6:20 am - 12:40 pmSOF  Sofia-SFO San Francisco
16h 20m1 stop Frankfurt am Main
Lufthansa Logo
1:55 pm - 6:40 pmSFO  San Francisco-SOF Sofia
18h 45m1 stop Munich Franz Josef Strauss
$1,033Lufthansa
Fri, Sep 4 - Fri, Sep 11
United Airlines Logo
6:20 am - 12:40 pmSOF  Sofia-SFO San Francisco
16h 20m1 stop Frankfurt am Main
United Airlines Logo
11:59 pm - 11:15 pmSFO  San Francisco-SOF Sofia
37h 16m2 stops Houston George Bush Intcntl Munich Franz Josef Strauss
$1,033United Airlines
Fri, Sep 4 - Fri, Sep 11
Lufthansa Logo
2:10 pm - 7:50 pmSOF  Sofia-SFO San Francisco
15h 40m1 stop Frankfurt am Main
Lufthansa Logo
1:45 pm - 10:00 pmSFO  San Francisco-SOF Sofia
23h 15m1 stop Munich Franz Josef Strauss
$1,034Lufthansa
Thu, Oct 1 - Sat, Mar 27
United Airlines Logo
2:10 pm - 7:50 pmSOF  Sofia-SFO San Francisco
15h 40m1 stop Frankfurt am Main
United Airlines Logo
1:45 pm - 10:00 pmSFO  San Francisco-SOF Sofia
23h 15m1 stop Munich Franz Josef Strauss
$1,034United Airlines
Fri, Oct 2 - Sat, Mar 27
United Airlines Logo
2:10 pm - 7:50 pmSOF  Sofia-SFO San Francisco
15h 40m1 stop Frankfurt am Main
United Airlines Logo
1:45 pm - 10:00 pmSFO  San Francisco-SOF Sofia
23h 15m1 stop Munich Franz Josef Strauss
$1,034United Airlines
Thu, Oct 1 - Sat, Mar 27
Turkish Airlines Logo
10:15 pm - 4:40 pmVAR  Varna-SFO San Francisco
28h 25m1 stop Istanbul
Turkish Airlines Logo
6:45 pm - 9:25 pmSFO  San Francisco-VAR Varna
16h 40m1 stop Istanbul
$1,448Turkish Airlines
Sat, Sep 19 - Tue, Sep 29
Turkish Airlines Logo
10:15 pm - 4:40 pmVAR  Varna-SFO San Francisco
28h 25m1 stop Istanbul
Turkish Airlines Logo
6:45 pm - 9:25 pmSFO  San Francisco-VAR Varna
16h 40m1 stop Istanbul
$1,457Turkish Airlines
Sat, Sep 19 - Tue, Sep 29

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LOT flights from Bulgaria to San Francisco

Our best LOT deals on Bulgaria to San Francisco flight tickets
LOT
Sep 23
SOF6:45 pmSofia
29h 15m
1 stop
SFO2:00 pmSan Francisco
Sep 30
SFO10:40 pmSan Francisco
33h 20m
1 stop
SOF6:00 pmSofia
$920
LOT
Sep 19
SOF6:45 pmSofia
29h 15m
1 stop
SFO2:00 pmSan Francisco
Oct 3
SFO10:50 pmSan Francisco
33h 10m
1 stop
SOF6:00 pmSofia
$929
LOT
Sep 25
SOF6:45 pmSofia
36h 05m
1 stop
SFO8:50 pmSan Francisco
Oct 10
SFO10:50 pmSan Francisco
29h 00m
1 stop
SOF1:50 pmSofia
$930

United Airlines flights from Bulgaria to San Francisco

Our best United Airlines deals on Bulgaria to San Francisco flight tickets
United Airlines
Oct 2
SOF2:10 pmSofia
15h 40m
1 stop
SFO7:50 pmSan Francisco
Mar 31
SFO12:45 amSan Francisco
31h 55m
2 stops
SOF6:40 pmSofia
$1,034
United Airlines
Oct 29
SOF6:25 amSofia
19h 40m
1 stop
SFO5:05 pmSan Francisco
Nov 28
SFO1:30 pmSan Francisco
23h 25m
1 stop
SOF10:55 pmSofia
$1,035
United Airlines
Sep 4
SOF6:20 amSofia
23h 57m
2 stops
SFO8:17 pmSan Francisco
Sep 11
SFO11:59 pmSan Francisco
37h 16m
2 stops
SOF11:15 pmSofia
$1,039

momondo Fare Finder

 
Customize your flight search to find flights from Bulgaria to San Francisco 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 12, 2026.
Use the filters below to find and compare flights from Bulgaria to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SofiaSan Francisco

SOF Sofia - SFO San Francisco

SOFSFO

Sofia

Wed 9/23

2:35 pm-2:40 pm

3 stops34h 05m

San Francisco

Wed 9/30

4:45 pm-3:00 am

3 stops24h 15m

$882

SofiaSan Francisco

SOF Sofia - SFO San Francisco

SOFSFO

Sofia

Wed 9/23

5:15 pm-2:30 pm

2 stops31h 15m

San Francisco

Wed 9/30

8:30 am-12:40 am

3 stops30h 10m

$919

SofiaSan Francisco

SOF Sofia - SFO San Francisco

SOFSFO

Sofia

Wed 9/23

6:45 pm-2:00 pm

1 stop29h 15m

San Francisco

Wed 9/30

10:40 pm-6:00 pm

1 stop33h 20m

$920
Quickest round-trip

SofiaSan Francisco

SOF Sofia - SFO San Francisco

SOFSFO

Sofia

Fri 9/4

6:20 am-12:40 pm

1 stop16h 20m

San Francisco

Fri 9/11

1:55 pm-6:40 pm

1 stop18h 45m

$1,033

SofiaSan Francisco

SOF Sofia - SFO San Francisco

SOFSFO

Sofia

Fri 9/4

6:20 am-12:40 pm

1 stop16h 20m

San Francisco

Fri 9/11

11:59 pm-11:15 pm

2 stops37h 16m

$1,033

SofiaSan Francisco

SOF Sofia - SFO San Francisco

SOFSFO

Sofia

Thu 10/1

2:10 pm-7:50 pm

1 stop15h 40m

San Francisco

Sat 3/27

1:45 pm-10:00 pm

1 stop23h 15m

$1,034

SofiaSan Francisco

SOF Sofia - SFO San Francisco

SOFSFO

Sofia

Fri 10/2

2:10 pm-7:50 pm

1 stop15h 40m

San Francisco

Sat 3/27

1:45 pm-10:00 pm

1 stop23h 15m

$1,034

SofiaSan Francisco

SOF Sofia - SFO San Francisco

SOFSFO

Sofia

Thu 10/1

2:10 pm-7:50 pm

1 stop15h 40m

San Francisco

Sat 3/27

1:45 pm-10:00 pm

1 stop23h 15m

$1,034

VarnaSan Francisco

VAR Varna - SFO San Francisco

VARSFO

Varna

Sat 9/19

10:15 pm-4:40 pm

1 stop28h 25m

San Francisco

Tue 9/29

6:45 pm-9:25 pm

1 stop16h 40m

$1,448

VarnaSan Francisco

VAR Varna - SFO San Francisco

VARSFO

Varna

Sat 9/19

10:15 pm-4:40 pm

1 stop28h 25m

San Francisco

Tue 9/29

6:45 pm-9:25 pm

1 stop16h 40m

$1,457

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 San Francisco from

How to get the cheapest flight ticket from Bulgaria to San Francisco

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 San Francisco?

If you aren’t able to travel to San Francisco during the month of September, then flying in December is also cheap. Prices for this month can be found on momondo for an average of $882.

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

You could potentially save up to 15% on your flight if you consider stops on a Bulgaria to San Francisco flight.

Cheap Bulgaria to San Francisco flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Bulgaria to San Francisco

Fastest flight time

19h 40m

Direct flights

None
The fastest flight from Bulgaria to San Francisco takes 19h 40m
There are no direct flights from Bulgaria to San Francisco. There are no popular flight routes from Bulgaria to San Francisco.
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Frequently asked questions about flying from Bulgaria to San Francisco

  • When did momondo last update prices for flights from Bulgaria to San Francisco Airport?

    Prices for flights from Bulgaria to San Francisco Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Bulgaria to San Francisco Airport?

  • How old do you have to be to fly from Bulgaria to San Francisco Airport?

    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 Bulgaria to San Francisco Airport.

  • What documentation or ID do you need to fly to San Francisco Airport?

    The travel and health documents you'll need for your trip to San Francisco Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San Francisco Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Bulgaria to San Francisco

Compare and see reviews for airlines that fly from Bulgaria to San Francisco with momondo
Airline
Rating
Free Cancellation
Price
LufthansaPriceFrom $712Free CancellationRating
6.8
8,180 reviews
Search Lufthansa flights
Turkish AirlinesPriceFrom $737Free CancellationRating
7.4
4,479 reviews
Search Turkish Airlines flights
United AirlinesPriceFrom $817Free CancellationRating
7.4
10,104 reviews
Search United Airlines flights

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Santa Cruz
Carmel-by-the-Sea
Modesto
South San Francisco
Fremont
Berkeley
Bodega Bay
Hayward
Walnut Creek
Santa Clara
Vallejo
Roseville
Sonoma
Salinas
Sunnyvale
Milpitas
Daly City
Burlingame
Marina
Palo Alto

Why use momondo?

Why should I use momondo to find a flight deal from Bulgaria to San Francisco?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Bulgaria to San Francisco. momondo saves you time and could save you money on your trip.

Can I find flights from Bulgaria to San Francisco with flexible booking policies on momondo?

Yes. All flights to San Francisco from Bulgaria on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Bulgaria to San Francisco?

Once all potential Bulgaria to San Francisco 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 Bulgaria to San Francisco right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to San Francisco from Bulgaria. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Fri 9/11
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