Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Sofia to San Francisco from $403

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Sofia to San Francisco departing on 1/26. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Sofia to San Francisco

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
4:45 pm - 3:30 pm
SOF
-
SFO
31h 45m2 stops
Multiple Airlines Logo
7:40 pm - 1:30 am
SFO
-
SOF
19h 50m1 stop
$707Multiple Airlines
Tue, Mar 17 - Sun, Apr 19
Multiple Airlines Logo
4:45 pm - 3:30 pm
SOF
-
SFO
31h 45m2 stops
Multiple Airlines Logo
7:40 pm - 1:30 am
SFO
-
SOF
19h 50m1 stop
$717Multiple Airlines
Tue, Mar 17 - Tue, Apr 21
Multiple Airlines Logo
4:45 pm - 5:05 pm
SOF
-
SFO
33h 20m2 stops
Multiple Airlines Logo
7:40 pm - 1:30 am
SFO
-
SOF
19h 50m1 stop
$738Multiple Airlines
Thu, Mar 19 - Sun, Apr 19
Multiple Airlines Logo
4:45 pm - 5:05 pm
SOF
-
SFO
33h 20m2 stops
Multiple Airlines Logo
7:40 pm - 1:30 am
SFO
-
SOF
19h 50m1 stop
$749Multiple Airlines
Thu, Mar 19 - Thu, Apr 16
Multiple Airlines Logo
3:15 pm - 5:05 pm
SOF
-
SFO
34h 50m2 stops
Multiple Airlines Logo
5:45 pm - 11:00 pm
SFO
-
SOF
19h 15m1 stop
$764Multiple Airlines
Thu, Mar 19 - Mon, Apr 20
Multiple Airlines Logo
4:50 pm - 2:45 pm
SOF
-
SFO
31h 55m2 stops
Multiple Airlines Logo
1:00 pm - 2:55 am
SFO
-
SOF
27h 55m2 stops
$779Multiple Airlines
Fri, Jan 16 - Thu, Jan 29
Multiple Airlines Logo
4:45 pm - 4:05 pm
SOF
-
SFO
33h 20m2 stops
Multiple Airlines Logo
7:55 pm - 11:00 am
SFO
-
SOF
29h 05m1 stop
$784Multiple Airlines
Thu, Jan 15 - Tue, Feb 3
Multiple Airlines Logo
4:45 pm - 2:30 pm
SOF
-
SFO
31h 45m2 stops
Multiple Airlines Logo
7:55 pm - 11:00 am
SFO
-
SOF
29h 05m1 stop
$785Multiple Airlines
Tue, Jan 13 - Tue, Feb 3
Multiple Airlines Logo
3:15 pm - 5:05 pm
SOF
-
SFO
34h 50m2 stops
Multiple Airlines Logo
5:45 pm - 10:50 pm
SFO
-
SOF
19h 05m1 stop
$817Multiple Airlines
Thu, Mar 19 - Sat, Apr 18
Multiple Airlines Logo
4:50 pm - 2:45 pm
SOF
-
SFO
31h 55m2 stops
Multiple Airlines Logo
4:40 pm - 11:30 pm
SFO
-
SOF
20h 50m2 stops
$822Multiple Airlines
Fri, Jan 30 - Fri, Feb 6

British Airways flights from Sofia to San Francisco

Our best British Airways deals on Sofia to San Francisco flight tickets
British Airways
Feb 1
SOF2:30 pmSofia
31h 39m
2 stops
SFO12:09 pmSan Francisco
Mar 3
SFO11:05 amSan Francisco
23h 05m
2 stops
SOF8:10 pmSofia
$857
Find similar
British Airways
Feb 2
SOF5:25 pmSofia
37h 23m
2 stops
SFO8:48 pmSan Francisco
Feb 27
SFO5:30 pmSan Francisco
33h 30m
1 stop
SOF1:00 pmSofia
$886
Find similar

KLM flights from Sofia to San Francisco

Our best KLM deals on Sofia to San Francisco flight tickets
KLM
Mar 18
SOF7:00 amSofia
20h 49m
2 stops
SFO6:49 pmSan Francisco
Apr 20
SFO1:45 pmSan Francisco
14h 15m
1 stop
SOF2:00 pmSofia
$912
Find similar
KLM
Feb 17
SOF7:00 amSofia
18h 56m
2 stops
SFO3:56 pmSan Francisco
Mar 19
SFO2:55 pmSan Francisco
14h 10m
1 stop
SOF2:05 pmSofia
$914
Find similar
KLM
Mar 18
SOF7:00 amSofia
24h 59m
2 stops
SFO10:59 pmSan Francisco
Apr 20
SFO10:45 pmSan Francisco
29h 15m
2 stops
SOF2:00 pmSofia
$917
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Sofia 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 December 19, 2025.
Use the filters below to find and compare flights from Sofia to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SofiaSan Francisco

SOF - SFO

SOFSFO

Sofia

Tue 3/17

4:45 pm-3:30 pm

2 stops31h 45m

San Francisco

Sun 4/19

7:40 pm-1:30 am

1 stop19h 50m

$707

SofiaSan Francisco

SOF - SFO

SOFSFO

Sofia

Tue 3/17

4:45 pm-3:30 pm

2 stops31h 45m

San Francisco

Tue 4/21

7:40 pm-1:30 am

1 stop19h 50m

$717

SofiaSan Francisco

SOF - SFO

SOFSFO

Sofia

Thu 3/19

4:45 pm-5:05 pm

2 stops33h 20m

San Francisco

Sun 4/19

7:40 pm-1:30 am

1 stop19h 50m

$738

SofiaSan Francisco

SOF - SFO

SOFSFO

Sofia

Thu 3/19

4:45 pm-5:05 pm

2 stops33h 20m

San Francisco

Thu 4/16

7:40 pm-1:30 am

1 stop19h 50m

$749

SofiaSan Francisco

SOF - SFO

SOFSFO

Sofia

Thu 3/19

3:15 pm-5:05 pm

2 stops34h 50m

San Francisco

Mon 4/20

5:45 pm-11:00 pm

1 stop19h 15m

$764

SofiaSan Francisco

SOF - SFO

SOFSFO

Sofia

Fri 1/16

4:50 pm-2:45 pm

2 stops31h 55m

San Francisco

Thu 1/29

1:00 pm-2:55 am

2 stops27h 55m

$779

SofiaSan Francisco

SOF - SFO

SOFSFO

Sofia

Thu 1/15

4:45 pm-4:05 pm

2 stops33h 20m

San Francisco

Tue 2/3

7:55 pm-11:00 am

1 stop29h 05m

$784

SofiaSan Francisco

SOF - SFO

SOFSFO

Sofia

Tue 1/13

4:45 pm-2:30 pm

2 stops31h 45m

San Francisco

Tue 2/3

7:55 pm-11:00 am

1 stop29h 05m

$785

SofiaSan Francisco

SOF - SFO

SOFSFO

Sofia

Thu 3/19

3:15 pm-5:05 pm

2 stops34h 50m

San Francisco

Sat 4/18

5:45 pm-10:50 pm

1 stop19h 05m

$817

SofiaSan Francisco

SOF - SFO

SOFSFO

Sofia

Fri 1/30

4:50 pm-2:45 pm

2 stops31h 55m

San Francisco

Fri 2/6

4:40 pm-11:30 pm

2 stops20h 50m

$822

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to San Francisco from

How to get the cheapest flight ticket from Sofia 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 Sofia 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 Sofia 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 Sofia when booking weeks ahead of your departure date. In general, you can expect to find flights to San Francisco for around $960 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Francisco from Sofia for as low as $771 on momondo.

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

You could potentially save up to 11% on your flight if you consider stops on a Sofia to San Francisco flight.

How have Sofia to San Francisco flight prices changed over time?

When to book flights from Sofia to San Francisco

Are you open to changing your travel dates? Check out the ideal times to fly from Sofia to San Francisco according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Sofia to San Francisco (SOF to SFO) flight deals and tips

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

Fastest flight time

15h 50m

Direct flights

None
The fastest flight from Sofia to San Francisco takes 15h 50m
There are no direct flights from Sofia to San Francisco. There are no popular flight routes from Sofia to San Francisco.
Search flight deals

  • How far is Sofia to San Francisco by plane?

    The straight-line distance from Sofia to San Francisco is 6469.3 mi. A reasonable flight in good conditions will take 15h 50m.

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

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

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Sofia Airport to San Francisco Airport.

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

    The necessary travel and health documents for your San Francisco Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Sofia to San Francisco?

Best airlines flying from Sofia to San Francisco

Compare and see reviews for airlines that fly from Sofia to San Francisco with momondo
Airline
Rating
Free Cancellation
Price
LufthansaPriceFrom $712Free CancellationRating
6.8
7,637 reviews
Search Lufthansa flights
Turkish AirlinesPriceFrom $736Free CancellationRating
7.3
4,105 reviews
Search Turkish Airlines flights
United AirlinesPriceFrom $813Free CancellationRating
7.4
9,091 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
Hayward
Calistoga
Big Sur
Berkeley
Santa Clara
Walnut Creek
Fremont
Daly City
Half Moon Bay
Vallejo
Salinas
Livermore
Sunnyvale
Turlock

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Sofia to San Francisco for you.

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

All flight searches from Sofia to San Francisco on momondo can be filtered to show those which offer flexible booking policies.

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

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

Yes momondo offers price alerts on flights to San Francisco from Sofia. 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.

An easier way to manage your San Francisco trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sun 1/18
Sun 1/25
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States