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Cheap flights from San Francisco to Sofia from $216

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 1/19. 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
4:59 pm - 8:30 pm
SFO
-
SOF
41h 31m2 stops
British Airways Logo
8:10 pm - 1:50 pm
SOF
-
SFO
27h 40m1 stop
$495British Airways
Mon, Apr 6 - Mon, Apr 20
British Airways Logo
8:40 pm - 8:10 pm
SFO
-
SOF
37h 30m1 stop
British Airways Logo
5:25 pm - 4:00 pm
SOF
-
SFO
31h 35m1 stop
$498British Airways
Mon, Mar 2 - Mon, Mar 16
British Airways Logo
8:40 pm - 8:10 pm
SFO
-
SOF
37h 30m1 stop
British Airways Logo
5:25 pm - 8:47 pm
SOF
-
SFO
36h 22m2 stops
$501British Airways
Mon, Mar 2 - Mon, Mar 16
Multiple Airlines Logo
7:30 am - 6:40 pm
SFO
-
SOF
25h 10m2 stops
Multiple Airlines Logo
6:20 am - 12:40 pm
SOF
-
SFO
16h 20m1 stop
$507Multiple Airlines
Wed, Apr 8 - Wed, Apr 22
Multiple Airlines Logo
3:40 pm - 1:55 pm
SFO
-
SOF
36h 15m1 stop
Multiple Airlines Logo
7:00 am - 11:04 pm
SOF
-
SFO
26h 04m2 stops
$508Multiple Airlines
Wed, Jan 28 - Wed, Feb 11
Multiple Airlines Logo
7:00 am - 2:05 pm
SFO
-
SOF
21h 05m2 stops
Multiple Airlines Logo
7:00 am - 11:04 pm
SOF
-
SFO
26h 04m2 stops
$511Multiple Airlines
Wed, Jan 28 - Wed, Feb 11
KLM Logo
7:00 am - 2:00 pm
SFO
-
SOF
21h 00m2 stops
KLM Logo
7:00 am - 7:54 pm
SOF
-
SFO
22h 54m2 stops
$515KLM
Tue, Apr 7 - Tue, Apr 21
SWISS Logo
7:35 pm - 3:00 pm
SFO
-
SOF
33h 25m1 stop
SWISS Logo
1:05 pm - 4:15 pm
SOF
-
SFO
37h 10m1 stop
$521SWISS
Wed, Apr 29 - Tue, Oct 6
KLM Logo
1:45 pm - 2:00 pm
SFO
-
SOF
14h 15m1 stop
KLM Logo
7:00 am - 8:02 pm
SOF
-
SFO
23h 02m2 stops
$530KLM
Wed, Apr 29 - Tue, Oct 6
KLM Logo
10:34 am - 2:00 pm
SFO
-
SOF
17h 26m2 stops
KLM Logo
7:00 am - 6:31 pm
SOF
-
SFO
21h 31m2 stops
$535KLM
Wed, Apr 29 - Tue, Oct 6

KLM flights from San Francisco to Sofia

Our best KLM deals on San Francisco to Sofia flight tickets
KLM
Apr 7
SFO7:00 amSan Francisco
21h 00m
2 stops
SOF2:00 pmSofia
Apr 21
SOF7:00 amSofia
22h 54m
2 stops
SFO7:54 pmSan Francisco
$515
KLM
Apr 29
SFO1:45 pmSan Francisco
14h 15m
1 stop
SOF2:00 pmSofia
Oct 6
SOF7:00 amSofia
23h 02m
2 stops
SFO8:02 pmSan Francisco
$530
KLM
Apr 29
SFO10:34 amSan Francisco
17h 26m
2 stops
SOF2:00 pmSofia
Oct 6
SOF7:00 amSofia
21h 31m
2 stops
SFO6:31 pmSan Francisco
$535

Lufthansa flights from San Francisco to Sofia

Our best Lufthansa deals on San Francisco to Sofia flight tickets
Lufthansa
Apr 20
SFO9:05 pmSan Francisco
16h 05m
1 stop
SOF11:10 pmSofia
Apr 24
SOF6:20 amSofia
16h 20m
1 stop
SFO12:40 pmSan Francisco
$517
Lufthansa
May 11
SFO9:05 pmSan Francisco
16h 05m
1 stop
SOF11:10 pmSofia
May 25
SOF7:25 pmSofia
33h 35m
1 stop
SFO7:00 pmSan Francisco
$537
Lufthansa
May 7
SFO9:05 pmSan Francisco
16h 05m
1 stop
SOF11:10 pmSofia
May 21
SOF12:55 pmSofia
16h 05m
1 stop
SFO7:00 pmSan Francisco
$554

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 January 8, 2026.
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

Mon 4/6

4:59 pm-8:30 pm

2 stops41h 31m

Sofia

Mon 4/20

8:10 pm-1:50 pm

1 stop27h 40m

$495

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Mon 3/2

8:40 pm-8:10 pm

1 stop37h 30m

Sofia

Mon 3/16

5:25 pm-4:00 pm

1 stop31h 35m

$498

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Mon 3/2

8:40 pm-8:10 pm

1 stop37h 30m

Sofia

Mon 3/16

5:25 pm-8:47 pm

2 stops36h 22m

$501

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Wed 4/8

7:30 am-6:40 pm

2 stops25h 10m

Sofia

Wed 4/22

6:20 am-12:40 pm

1 stop16h 20m

$507

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Wed 1/28

3:40 pm-1:55 pm

1 stop36h 15m

Sofia

Wed 2/11

7:00 am-11:04 pm

2 stops26h 04m

$508

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Wed 1/28

7:00 am-2:05 pm

2 stops21h 05m

Sofia

Wed 2/11

7:00 am-11:04 pm

2 stops26h 04m

$511

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Tue 4/7

7:00 am-2:00 pm

2 stops21h 00m

Sofia

Tue 4/21

7:00 am-7:54 pm

2 stops22h 54m

$515

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Wed 4/29

7:35 pm-3:00 pm

1 stop33h 25m

Sofia

Tue 10/6

1:05 pm-4:15 pm

1 stop37h 10m

$521

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Wed 4/29

1:45 pm-2:00 pm

1 stop14h 15m

Sofia

Tue 10/6

7:00 am-8:02 pm

2 stops23h 02m

$530

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Wed 4/29

10:34 am-2:00 pm

2 stops17h 26m

Sofia

Tue 10/6

7:00 am-6:31 pm

2 stops21h 31m

$535

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 typical price of a round-trip flight between San Francisco and Sofia?

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 $624.

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 $809 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 $692 on momondo.

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

You could potentially save up to 44% 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

14h 10m

Direct flights

None
The fastest flight from San Francisco to Sofia takes 14h 10m
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 14h 10m.

  • 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
4,154 reviews
Search Turkish Airlines flights
LufthansaPriceFrom $564Free CancellationRating
6.8
7,698 reviews
Search Lufthansa flights
British AirwaysPriceFrom $594Free CancellationRating
6.7
7,659 reviews
Search British Airways flights
United AirlinesPriceFrom $616Free CancellationRating
7.4
9,142 reviews
Search United Airlines flights
ITA AirwaysPriceFrom $652Free CancellationRating
6.7
1,126 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