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Cheap flights from Bulgaria to San Francisco from $400

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 12/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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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
7:00 am - 6:30 pmSOF-SFO
21h 30m2 stops
Multiple Airlines Logo
3:40 pm - 1:55 pmSFO-SOF
36h 15m1 stop
$871Multiple Airlines
Find Deal
Wed, Dec 3 - Fri, Feb 6
Multiple Airlines Logo
7:00 am - 6:30 pmSOF-SFO
21h 30m2 stops
Multiple Airlines Logo
3:40 pm - 1:55 pmSFO-SOF
36h 15m1 stop
$874Multiple Airlines
Find Deal
Wed, Dec 3 - Fri, Feb 6
KLM Logo
7:00 am - 6:30 pmSOF-SFO
21h 30m2 stops
KLM Logo
1:55 pm - 2:05 pmSFO-SOF
14h 10m1 stop
$876KLM
Find Deal
Fri, Dec 12 - Thu, Jan 15
Multiple Airlines Logo
7:00 am - 8:39 pmSOF-SFO
23h 39m2 stops
Multiple Airlines Logo
7:00 am - 1:55 pmSFO-SOF
20h 55m2 stops
$877Multiple Airlines
Find Deal
Wed, Dec 3 - Fri, Feb 6
KLM Logo
7:00 am - 8:39 pmSOF-SFO
23h 39m2 stops
KLM Logo
1:55 pm - 2:05 pmSFO-SOF
14h 10m1 stop
$879KLM
Find Deal
Fri, Dec 12 - Thu, Jan 15
KLM Logo
7:00 am - 3:57 pmSOF-SFO
18h 57m2 stops
KLM Logo
7:00 am - 2:05 pmSFO-SOF
21h 05m2 stops
$880KLM
Find Deal
Mon, Dec 15 - Wed, Jan 14
Lufthansa Logo
6:10 am - 12:40 pmSOF-SFO
16h 30m1 stop
Lufthansa Logo
1:35 pm - 10:45 pmSFO-SOF
23h 10m1 stop
$883Lufthansa
Find Deal
Fri, Dec 12 - Thu, Jan 15
United Airlines Logo
6:10 am - 12:40 pmSOF-SFO
16h 30m1 stop
United Airlines Logo
11:05 am - 6:20 pmSFO-SOF
21h 15m2 stops
$884United Airlines
Find Deal
Mon, Dec 8 - Mon, Dec 15
United Airlines Logo
2:25 pm - 8:10 pmSOF-SFO
15h 45m1 stop
United Airlines Logo
6:50 pm - 10:45 pmSFO-SOF
17h 55m1 stop
$886United Airlines
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Sat, Dec 13 - Fri, Jan 2
Austrian Airlines Logo
4:00 pm - 9:39 pmVAR-SFO
39h 39m2 stops
Austrian Airlines Logo
8:40 am - 3:15 pmSFO-VAR
21h 35m2 stops
$1,272Austrian Airlines
Find Deal
Fri, Mar 6 - Tue, Mar 10

Turkish Airlines flights from Bulgaria to San Francisco

Our best Turkish Airlines deals on Bulgaria to San Francisco flight tickets
Turkish Airlines
Dec 3
SOF9:40 pmSofia
23h 25m
1 stop
SFO11:05 amSan Francisco
Feb 6
SFO6:50 pmSan Francisco
16h 00m
1 stop
SOF8:50 pmSofia
$913
Find similar
Turkish Airlines
Dec 19
SOF4:00 pmSofia
29h 05m
1 stop
SFO11:05 amSan Francisco
Jan 21
SFO6:50 pmSan Francisco
34h 20m
1 stop
SOF3:10 pmSofia
$955
Find similar
Turkish Airlines
Dec 19
SOF4:00 pmSofia
29h 05m
1 stop
SFO11:05 amSan Francisco
Jan 21
SFO6:50 pmSan Francisco
34h 20m
1 stop
SOF3:10 pmSofia
$958
Find similar

KLM flights from Bulgaria to San Francisco

Our best KLM deals on Bulgaria to San Francisco flight tickets
KLM
Dec 12
SOF7:00 amSofia
21h 30m
2 stops
SFO6:30 pmSan Francisco
Jan 15
SFO1:55 pmSan Francisco
14h 10m
1 stop
SOF2:05 pmSofia
$876
Find similar
KLM
Dec 12
SOF7:00 amSofia
23h 39m
2 stops
SFO8:39 pmSan Francisco
Jan 15
SFO1:55 pmSan Francisco
14h 10m
1 stop
SOF2:05 pmSofia
$879
Find similar
KLM
Dec 15
SOF7:00 amSofia
18h 57m
2 stops
SFO3:57 pmSan Francisco
Jan 14
SFO7:00 amSan Francisco
21h 05m
2 stops
SOF2:05 pmSofia
$880
Find similar

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 November 23, 2025.
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

SofiaSan Francisco

SOF - SFO

SOFSFO

Sofia

Wed 12/3

7:00 am-6:30 pm

2 stops21h 30m

San Francisco

Fri 2/6

3:40 pm-1:55 pm

1 stop36h 15m

$871

SofiaSan Francisco

SOF - SFO

SOFSFO

Sofia

Wed 12/3

7:00 am-6:30 pm

2 stops21h 30m

San Francisco

Fri 2/6

3:40 pm-1:55 pm

1 stop36h 15m

$874

SofiaSan Francisco

SOF - SFO

SOFSFO

Sofia

Fri 12/12

7:00 am-6:30 pm

2 stops21h 30m

San Francisco

Thu 1/15

1:55 pm-2:05 pm

1 stop14h 10m

$876

SofiaSan Francisco

SOF - SFO

SOFSFO

Sofia

Wed 12/3

7:00 am-8:39 pm

2 stops23h 39m

San Francisco

Fri 2/6

7:00 am-1:55 pm

2 stops20h 55m

$877

SofiaSan Francisco

SOF - SFO

SOFSFO

Sofia

Fri 12/12

7:00 am-8:39 pm

2 stops23h 39m

San Francisco

Thu 1/15

1:55 pm-2:05 pm

1 stop14h 10m

$879

SofiaSan Francisco

SOF - SFO

SOFSFO

Sofia

Mon 12/15

7:00 am-3:57 pm

2 stops18h 57m

San Francisco

Wed 1/14

7:00 am-2:05 pm

2 stops21h 05m

$880

SofiaSan Francisco

SOF - SFO

SOFSFO

Sofia

Fri 12/12

6:10 am-12:40 pm

1 stop16h 30m

San Francisco

Thu 1/15

1:35 pm-10:45 pm

1 stop23h 10m

$883

SofiaSan Francisco

SOF - SFO

SOFSFO

Sofia

Mon 12/8

6:10 am-12:40 pm

1 stop16h 30m

San Francisco

Mon 12/15

11:05 am-6:20 pm

2 stops21h 15m

$884

SofiaSan Francisco

SOF - SFO

SOFSFO

Sofia

Sat 12/13

2:25 pm-8:10 pm

1 stop15h 45m

San Francisco

Fri 1/2

6:50 pm-10:45 pm

1 stop17h 55m

$886

VarnaSan Francisco

VAR - SFO

VARSFO

Varna

Fri 3/6

4:00 pm-9:39 pm

2 stops39h 39m

San Francisco

Tue 3/10

8:40 am-3:15 pm

2 stops21h 35m

$1,272

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 February, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $821.

What is the cheapest day to depart on your flight to San Francisco?

The cheapest day to depart from Bulgaria to San Francisco is on a Saturday when prices can be found for as low as $882. The most expensive day to fly to San Francisco is Sunday, with ticket prices averaging around $1,138.

What is the cheapest time of day to depart on your flight to San Francisco?

Our data shows that the cheapest Bulgaria to San Francisco flights are usually those with departure times in the evening. Our users have found flights to San Francisco in the evening for as low as $884. Flights in the morning are often more expensive with an average ticket price of $962.

How far in advance should I book a flight to San Francisco?

You are more likely to see cheaper flights to San Francisco from Bulgaria when booking weeks ahead of your departure date. In general, you can expect to find flights to San Francisco for around $923 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Francisco from Bulgaria for as low as $771 on momondo.

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

You could potentially save up to 16% 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

Direct flights

None
There are no direct flights from Bulgaria to San Francisco. There are no popular flight routes from Bulgaria to San Francisco.
Search flight deals

  • 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
7,581 reviews
Search Lufthansa flights
Turkish AirlinesPriceFrom $736Free CancellationRating
7.3
4,047 reviews
Search Turkish Airlines flights
United AirlinesPriceFrom $813Free CancellationRating
7.4
9,034 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
Sonoma
Bodega Bay
Roseville
Calistoga
Hayward
Big Sur
Santa Clara
Daly City
Fremont
Berkeley
Vallejo
Walnut Creek
Half Moon Bay
Salinas
Livermore
Turlock
South San Francisco

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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