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Cheap flights from San Francisco to Sofia from $221

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 Sofia departing on 4/8. 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 San Francisco to Sofia

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
4:35 pm - 1:30 pm
SFO
-
SOF
34h 55m1 stop
British Airways Logo
9:30 pm - 5:40 pm
SOF
-
SFO
30h 10m1 stop
$505British Airways
Wed, Apr 8 - Wed, Apr 22
British Airways Logo
4:35 pm - 1:30 pm
SFO
-
SOF
34h 55m1 stop
British Airways Logo
9:30 pm - 5:40 pm
SOF
-
SFO
30h 10m1 stop
$522British Airways
Wed, Apr 29 - Wed, May 13
Lufthansa Logo
9:25 pm - 10:45 pm
SFO
-
SOF
15h 20m1 stop
Lufthansa Logo
6:10 am - 3:55 pm
SOF
-
SFO
19h 45m1 stop
$534Lufthansa
Wed, Jan 28 - Wed, Feb 11
Multiple Airlines Logo
12:50 pm - 6:00 pm
SFO
-
SOF
19h 10m2 stops
Multiple Airlines Logo
6:10 am - 3:55 pm
SOF
-
SFO
19h 45m1 stop
$535Multiple Airlines
Wed, Jan 28 - Wed, Feb 11
Multiple Airlines Logo
12:50 pm - 6:00 pm
SFO
-
SOF
19h 10m2 stops
Multiple Airlines Logo
2:00 pm - 7:35 pm
SOF
-
SFO
15h 35m1 stop
$537Multiple Airlines
Wed, Jan 28 - Wed, Feb 11
KLM Logo
1:45 pm - 2:00 pm
SFO
-
SOF
14h 15m1 stop
KLM Logo
7:00 am - 6:39 pm
SOF
-
SFO
21h 39m2 stops
$540KLM
Tue, Apr 28 - Tue, May 12
British Airways Logo
7:20 pm - 1:30 pm
SFO
-
SOF
32h 10m1 stop
British Airways Logo
9:30 pm - 5:40 pm
SOF
-
SFO
30h 10m1 stop
$542British Airways
Wed, Apr 22 - Wed, Oct 7
Lufthansa Logo
9:25 pm - 10:45 pm
SFO
-
SOF
15h 20m1 stop
Lufthansa Logo
2:00 pm - 6:55 pm
SOF
-
SFO
14h 55m1 stop
$544Lufthansa
Tue, Jan 27 - Tue, Feb 10
Lufthansa Logo
8:45 pm - 10:45 pm
SFO
-
SOF
16h 00m1 stop
Lufthansa Logo
6:00 am - 12:40 pm
SOF
-
SFO
16h 40m1 stop
$550Lufthansa
Thu, Jan 29 - Thu, Feb 12
British Airways Logo
4:59 pm - 8:40 pm
SFO
-
SOF
41h 41m2 stops
British Airways Logo
8:00 pm - 1:50 pm
SOF
-
SFO
27h 50m1 stop
$555British Airways
Mon, Mar 30 - Mon, Apr 13

British Airways flights from San Francisco to Sofia

Our best British Airways deals on San Francisco to Sofia flight tickets
British Airways
Apr 8
SFO4:35 pmSan Francisco
34h 55m
1 stop
SOF1:30 pmSofia
Apr 22
SOF9:30 pmSofia
30h 10m
1 stop
SFO5:40 pmSan Francisco
$505
Find similar
British Airways
Apr 29
SFO4:35 pmSan Francisco
34h 55m
1 stop
SOF1:30 pmSofia
May 13
SOF9:30 pmSofia
30h 10m
1 stop
SFO5:40 pmSan Francisco
$522
Find similar
British Airways
Apr 22
SFO7:20 pmSan Francisco
32h 10m
1 stop
SOF1:30 pmSofia
Oct 7
SOF9:30 pmSofia
30h 10m
1 stop
SFO5:40 pmSan Francisco
$542
Find similar

Lufthansa flights from San Francisco to Sofia

Our best Lufthansa deals on San Francisco to Sofia flight tickets
Lufthansa
Jan 28
SFO9:25 pmSan Francisco
15h 20m
1 stop
SOF10:45 pmSofia
Feb 11
SOF6:10 amSofia
19h 45m
1 stop
SFO3:55 pmSan Francisco
$534
Find similar
Lufthansa
Jan 27
SFO9:25 pmSan Francisco
15h 20m
1 stop
SOF10:45 pmSofia
Feb 10
SOF2:00 pmSofia
14h 55m
1 stop
SFO6:55 pmSan Francisco
$544
Find similar
Lufthansa
Jan 29
SFO8:45 pmSan Francisco
16h 00m
1 stop
SOF10:45 pmSofia
Feb 12
SOF6:00 amSofia
16h 40m
1 stop
SFO12:40 pmSan Francisco
$550
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from San Francisco to Sofia 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 28, 2025.
Use the filters below to find and compare flights from San Francisco to Sofia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Wed 4/8

4:35 pm-1:30 pm

1 stop34h 55m

Sofia

Wed 4/22

9:30 pm-5:40 pm

1 stop30h 10m

$505

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Wed 4/29

4:35 pm-1:30 pm

1 stop34h 55m

Sofia

Wed 5/13

9:30 pm-5:40 pm

1 stop30h 10m

$522

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Wed 1/28

9:25 pm-10:45 pm

1 stop15h 20m

Sofia

Wed 2/11

6:10 am-3:55 pm

1 stop19h 45m

$534

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Wed 1/28

12:50 pm-6:00 pm

2 stops19h 10m

Sofia

Wed 2/11

6:10 am-3:55 pm

1 stop19h 45m

$535

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Wed 1/28

12:50 pm-6:00 pm

2 stops19h 10m

Sofia

Wed 2/11

2:00 pm-7:35 pm

1 stop15h 35m

$537

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Tue 4/28

1:45 pm-2:00 pm

1 stop14h 15m

Sofia

Tue 5/12

7:00 am-6:39 pm

2 stops21h 39m

$540

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Wed 4/22

7:20 pm-1:30 pm

1 stop32h 10m

Sofia

Wed 10/7

9:30 pm-5:40 pm

1 stop30h 10m

$542

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Tue 1/27

9:25 pm-10:45 pm

1 stop15h 20m

Sofia

Tue 2/10

2:00 pm-6:55 pm

1 stop14h 55m

$544

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Thu 1/29

8:45 pm-10:45 pm

1 stop16h 00m

Sofia

Thu 2/12

6:00 am-12:40 pm

1 stop16h 40m

$550

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Mon 3/30

4:59 pm-8:40 pm

2 stops41h 41m

Sofia

Mon 4/13

8:00 pm-1:50 pm

1 stop27h 50m

$555

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 Sofia from

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

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 Sofia?

The cheapest month to fly to Sofia from San Francisco is in October. Flight prices, which tend to average around $620, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of October, then book flights to Sofia from San Francisco during March instead. Flights to Sofia in March, while not as cheap as those in October, still average around $633.

How far in advance should I book a flight to Sofia?

You are more likely to see cheaper flights to Sofia from San Francisco when booking weeks ahead of your departure date. In general, you can expect to find flights to Sofia for around $826 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sofia from San Francisco for as low as $696 on momondo.

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

You could potentially save up to 34% on your flight if you consider stops on a San Francisco to Sofia flight.

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

When to book flights from San Francisco to Sofia

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

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

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

Fastest flight time

15h 20m

Direct flights

None
The fastest flight from San Francisco to Sofia takes 15h 20m
There are no direct flights from San Francisco to Sofia. There are no popular flight routes from San Francisco to Sofia.
Search flight deals

  • How far is San Francisco to Sofia by plane?

    The distance between San Francisco and Sofia is about 6469.3 mi. A reasonable flight in good conditions will take 15h 20m.

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

    Prices for flights from San Francisco Airport to Sofia Airport were last updated today.

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

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

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

    The travel and health documents you'll need for your trip to Sofia 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 Sofia Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

Best airlines flying from San Francisco to Sofia

Compare and see reviews for airlines that fly from San Francisco to Sofia with momondo
Airline
Rating
Free Cancellation
Price
Turkish AirlinesPriceFrom $542Free CancellationRating
7.3
4,125 reviews
Search Turkish Airlines flights
LufthansaPriceFrom $564Free CancellationRating
6.8
7,658 reviews
Search Lufthansa flights
United AirlinesPriceFrom $616Free CancellationRating
7.4
9,114 reviews
Search United Airlines flights
ITA AirwaysPriceFrom $652Free CancellationRating
6.7
1,114 reviews
Search ITA Airways flights

Traveling to a place near Sofia?

Book flights to Sofia if you plan to visit one of these locations
Bansko
Borovets
Velingrad
Sandanski

Why use momondo?

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

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

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

momondo does allow users to show only those flights to Sofia from San Francisco which offer a flexible booking policy as well as other useful filters and features.

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

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

If you are simply researching potential flights to Sofia, momondo offers a useful price alert feature which will track prices for flights to Sofia from San Francisco and alert you when they change.

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Fly your favorite airline to Sofia

Airlines are sorted and displayed according to clicks in the past 7 days on momondo
Turkish Airlines
Lufthansa
United Airlines
ITA Airways
British Airways