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Cheap flights from San Francisco to Sofia from $219

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 5/12. 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

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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.
United Airlines Logo
10:50 pm - 1:00 pm
SFO
-
SOF
28h 10m
2 stops
United Airlines Logo
6:10 am - 4:55 pm
SOF
-
SFO
19h 45m
1 stop
$502United Airlines
sáb., feb. 28 - mié., mar. 18
SWISS Logo
7:35 pm - 3:00 pm
SFO
-
SOF
33h 25m
1 stop
SWISS Logo
1:05 pm - 4:15 pm
SOF
-
SFO
37h 10m
1 stop
$506SWISS
mié., abr. 29 - mar., oct. 6
United Airlines Logo
10:50 pm - 1:00 pm
SFO
-
SOF
28h 10m
2 stops
United Airlines Logo
2:25 pm - 9:40 am
SOF
-
SFO
28h 15m
2 stops
$510United Airlines
sáb., feb. 28 - mié., mar. 18
United Airlines Logo
12:25 pm - 6:40 pm
SFO
-
SOF
20h 15m
2 stops
United Airlines Logo
6:10 am - 7:00 pm
SOF
-
SFO
22h 50m
1 stop
$518United Airlines
mié., abr. 22 - mar., oct. 6
United Airlines Logo
9:05 pm - 11:10 pm
SFO
-
SOF
16h 05m
1 stop
United Airlines Logo
6:10 am - 6:38 pm
SOF
-
SFO
22h 28m
2 stops
$520United Airlines
mié., abr. 29 - mar., oct. 6
United Airlines Logo
9:05 pm - 11:10 pm
SFO
-
SOF
16h 05m
1 stop
United Airlines Logo
8:00 am - 9:28 pm
SOF
-
SFO
23h 28m
2 stops
$521United Airlines
mié., abr. 29 - mar., oct. 6
United Airlines Logo
12:00 pm - 6:40 pm
SFO
-
SOF
20h 40m
2 stops
United Airlines Logo
8:00 am - 6:28 pm
SOF
-
SFO
20h 28m
2 stops
$525United Airlines
mié., abr. 22 - mar., oct. 6
Multiple Airlines Logo
9:40 pm - 10:45 pm
SFO
-
SOF
15h 05m
1 stop
Multiple Airlines Logo
6:00 am - 9:22 pm
SOF
-
SFO
24h 22m
2 stops
$528Multiple Airlines
jue., mar. 5 - jue., mar. 12
Lufthansa Logo
9:25 pm - 10:45 pm
SFO
-
SOF
15h 20m
1 stop
Lufthansa Logo
6:10 am - 1:40 pm
SOF
-
SFO
16h 30m
1 stop
$536Lufthansa
sáb., feb. 28 - mié., mar. 18
United Airlines Logo
7:00 am - 1:25 pm
SFO
-
SOF
20h 25m
2 stops
United Airlines Logo
8:00 am - 6:28 pm
SOF
-
SFO
20h 28m
2 stops
$537United Airlines
mié., abr. 29 - mar., oct. 6

SWISS flights from San Francisco to Sofia

Our best SWISS deals on San Francisco to Sofia flight tickets
SWISS
Apr 29
SFO7:35 pmSan Francisco
33h 25m
1 stop
SOF3:00 pmSofia
Oct 6
SOF1:05 pmSofia
37h 10m
1 stop
SFO4:15 pmSan Francisco
$506
SWISS
May 3
SFO7:35 pmSan Francisco
30h 40m
1 stop
SOF12:15 pmSofia
May 16
SOF1:45 pmSofia
36h 30m
1 stop
SFO4:15 pmSan Francisco
$563

United Airlines flights from San Francisco to Sofia

Our best United Airlines deals on San Francisco to Sofia flight tickets
United Airlines
Feb 28
SFO10:50 pmSan Francisco
28h 10m
2 stops
SOF1:00 pmSofia
Mar 18
SOF6:10 amSofia
19h 45m
1 stop
SFO4:55 pmSan Francisco
$502
United Airlines
Feb 28
SFO10:50 pmSan Francisco
28h 10m
2 stops
SOF1:00 pmSofia
Mar 18
SOF2:25 pmSofia
28h 15m
2 stops
SFO9:40 amSan Francisco
$510
United Airlines
Apr 22
SFO12:25 pmSan Francisco
20h 15m
2 stops
SOF6:40 pmSofia
Oct 6
SOF6:10 amSofia
22h 50m
1 stop
SFO7:00 pmSan Francisco
$518

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 enero 21, 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

sáb. 2/28

10:50 pm-1:00 pm

2 stops28h 10m

Sofia

mié. 3/18

6:10 am-4:55 pm

1 stop19h 45m

$502

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

mié. 4/29

7:35 pm-3:00 pm

1 stop33h 25m

Sofia

mar. 10/6

1:05 pm-4:15 pm

1 stop37h 10m

$506

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

sáb. 2/28

10:50 pm-1:00 pm

2 stops28h 10m

Sofia

mié. 3/18

2:25 pm-9:40 am

2 stops28h 15m

$510

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

mié. 4/22

12:25 pm-6:40 pm

2 stops20h 15m

Sofia

mar. 10/6

6:10 am-7:00 pm

1 stop22h 50m

$518

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

mié. 4/29

9:05 pm-11:10 pm

1 stop16h 05m

Sofia

mar. 10/6

6:10 am-6:38 pm

2 stops22h 28m

$520

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

mié. 4/29

9:05 pm-11:10 pm

1 stop16h 05m

Sofia

mar. 10/6

8:00 am-9:28 pm

2 stops23h 28m

$521

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

mié. 4/22

12:00 pm-6:40 pm

2 stops20h 40m

Sofia

mar. 10/6

8:00 am-6:28 pm

2 stops20h 28m

$525

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

jue. 3/5

9:40 pm-10:45 pm

1 stop15h 05m

Sofia

jue. 3/12

6:00 am-9:22 pm

2 stops24h 22m

$528

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

sáb. 2/28

9:25 pm-10:45 pm

1 stop15h 20m

Sofia

mié. 3/18

6:10 am-1:40 pm

1 stop16h 30m

$536

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

mié. 4/29

7:00 am-1:25 pm

2 stops20h 25m

Sofia

mar. 10/6

8:00 am-6:28 pm

2 stops20h 28m

$537

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 $623.

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 $807 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 53% 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 05m

Direct flights

None
The fastest flight from San Francisco to Sofia takes 15h 05m
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 05m.

  • 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
4,201 reviews
Search Turkish Airlines flights
LufthansaPriceFrom $563Free CancellationRating
6.8
7,736 reviews
Search Lufthansa flights
British AirwaysPriceFrom $594Free CancellationRating
6.7
7,689 reviews
Search British Airways flights
United AirlinesPriceFrom $616Free CancellationRating
7.4
9,190 reviews
Search United Airlines flights
ITA AirwaysPriceFrom $651Free CancellationRating
6.7
1,130 reviews
Search ITA Airways flights
Air CanadaPriceFrom $771Free CancellationRating
7.1
10,646 reviews
Search Air Canada 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
Air Canada