Cheap flights from San Francisco to Sofia from $269

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 9/28. 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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Lufthansa Logo
9:40 pm - 10:45 pmSFO-SOF
15h 05m1 stop
Lufthansa Logo
6:00 am - 12:40 pmSOF-SFO
16h 40m1 stop
$514Lufthansa
Find Deal
mar., nov. 4 - mar., nov. 18
 Logo
7:30 pm - 12:30 pmSFO-SOF
31h 00m1 stop
 Logo
6:10 am - 9:22 pmSOF-SFO
25h 12m2 stops
dom., oct. 12 - vie., nov. 14
Lufthansa Logo
9:40 pm - 10:45 pmSFO-SOF
15h 05m1 stop
Lufthansa Logo
6:10 am - 12:40 pmSOF-SFO
16h 30m1 stop
$527Lufthansa
Find Deal
mié., nov. 5 - mié., nov. 19
British Airways Logo
5:30 pm - 8:10 pmSFO-SOF
16h 40m1 stop
British Airways Logo
9:30 pm - 1:50 pmSOF-SFO
26h 20m1 stop
$548British Airways
Find Deal
mar., ene. 13 - mié., abr. 15
United Airlines Logo
9:40 pm - 10:45 pmSFO-SOF
15h 05m1 stop
United Airlines Logo
6:00 am - 9:22 pmSOF-SFO
25h 22m2 stops
$551United Airlines
Find Deal
lun., nov. 24 - jue., feb. 12
United Airlines Logo
1:30 pm - 6:20 pmSFO-SOF
18h 50m1 stop
United Airlines Logo
1:50 pm - 8:00 pmSOF-SFO
16h 10m1 stop
$552United Airlines
Find Deal
mié., ene. 14 - jue., abr. 16
Air Canada Logo
1:20 pm - 6:20 pmSFO-SOF
43h 00m2 stops
Air Canada Logo
1:50 pm - 10:47 amSOF-SFO
30h 57m2 stops
$559Air Canada
Find Deal
lun., ene. 12 - mié., abr. 15
Air Canada Logo
1:20 pm - 6:20 pmSFO-SOF
43h 00m2 stops
Air Canada Logo
1:55 pm - 12:20 pmSOF-SFO
56h 25m2 stops
$563Air Canada
Find Deal
lun., nov. 24 - lun., feb. 16
Turkish Airlines Logo
6:50 pm - 3:10 pmSFO-SOF
34h 20m1 stop
Turkish Airlines Logo
9:15 pm - 4:40 pmSOF-SFO
29h 25m1 stop
$580Turkish Airlines
Find Deal
jue., ene. 15 - mié., abr. 15
British Airways Logo
5:30 pm - 11:15 amSFO-SOF
31h 45m1 stop
British Airways Logo
5:25 pm - 3:00 pmSOF-SFO
31h 35m1 stop
$592British Airways
Find Deal
jue., nov. 13 - lun., nov. 17

British Airways flights from San Francisco to Sofia

Our best British Airways deals on San Francisco to Sofia flight tickets
British Airways
Jan 13
SFO5:30 pmSan Francisco
16h 40m
1 stop
SOF8:10 pmSofia
Apr 15
SOF9:30 pmSofia
26h 20m
1 stop
SFO1:50 pmSan Francisco
British Airways
Nov 13
SFO5:30 pmSan Francisco
31h 45m
1 stop
SOF11:15 amSofia
Nov 17
SOF5:25 pmSofia
31h 35m
1 stop
SFO3:00 pmSan Francisco
British Airways
Sep 20
SFO2:22 pmSan Francisco
19h 58m
2 stops
SOF8:20 pmSofia
Oct 1
SOF9:30 pmSofia
33h 20m
2 stops
SFO8:50 pmSan Francisco

United Airlines flights from San Francisco to Sofia

Our best United Airlines deals on San Francisco to Sofia flight tickets
United Airlines
Nov 24
SFO9:40 pmSan Francisco
15h 05m
1 stop
SOF10:45 pmSofia
Feb 12
SOF6:00 amSofia
25h 22m
2 stops
SFO9:22 pmSan Francisco
United Airlines
Jan 14
SFO1:30 pmSan Francisco
18h 50m
1 stop
SOF6:20 pmSofia
Apr 16
SOF1:50 pmSofia
16h 10m
1 stop
SFO8:00 pmSan Francisco
United Airlines
Jan 12
SFO9:40 pmSan Francisco
15h 05m
1 stop
SOF10:45 pmSofia
Apr 14
SOF6:15 amSofia
16h 25m
1 stop
SFO12:40 pmSan Francisco

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 septiembre 15, 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

mar. 11/4

9:40 pm-10:45 pm

1 stop15h 05m

Sofia

mar. 11/18

6:00 am-12:40 pm

1 stop16h 40m

$514

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

dom. 10/12

7:30 pm-12:30 pm

1 stop31h 00m

Sofia

vie. 11/14

6:10 am-9:22 pm

2 stops25h 12m

$526

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

mié. 11/5

9:40 pm-10:45 pm

1 stop15h 05m

Sofia

mié. 11/19

6:10 am-12:40 pm

1 stop16h 30m

$527

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

mar. 1/13

5:30 pm-8:10 pm

1 stop16h 40m

Sofia

mié. 4/15

9:30 pm-1:50 pm

1 stop26h 20m

$548

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

lun. 11/24

9:40 pm-10:45 pm

1 stop15h 05m

Sofia

jue. 2/12

6:00 am-9:22 pm

2 stops25h 22m

$551

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

mié. 1/14

1:30 pm-6:20 pm

1 stop18h 50m

Sofia

jue. 4/16

1:50 pm-8:00 pm

1 stop16h 10m

$552

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

lun. 1/12

1:20 pm-6:20 pm

2 stops43h 00m

Sofia

mié. 4/15

1:50 pm-10:47 am

2 stops30h 57m

$559

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

lun. 11/24

1:20 pm-6:20 pm

2 stops43h 00m

Sofia

lun. 2/16

1:55 pm-12:20 pm

2 stops56h 25m

$563

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

jue. 1/15

6:50 pm-3:10 pm

1 stop34h 20m

Sofia

mié. 4/15

9:15 pm-4:40 pm

1 stop29h 25m

$580

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

jue. 11/13

5:30 pm-11:15 am

1 stop31h 45m

Sofia

lun. 11/17

5:25 pm-3:00 pm

1 stop31h 35m

$592

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 January. Flight prices, which tend to average around $613, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of January, then book flights to Sofia from San Francisco during October instead. Flights to Sofia in October, while not as cheap as those in January, still average around $627.

What is the cheapest day to depart on your flight to Sofia?

According to our data, Thursday is the cheapest day to fly to Sofia from San Francisco. The lowest ticket price found for a Thursday departure recently was $832. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from San Francisco to Sofia on a Friday will generally be more expensive and average around $1,318. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

In the afternoon is the cheapest time of day to fly from San Francisco to Sofia when you can find flight prices for as low as $817. Flying to Sofia in the afternoon is an ideal time because this is during off-peak travel hours. In the morning is when there is more demand to fly to Sofia, so prices are often more expensive at around $1,363 per ticket.

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 $841 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 $684 on momondo.

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

You could potentially save up to 1% 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?

As of September 2025, prices for San Francisco to Sofia flights are approximately 27% cheaper when compared to flights at the same time last year.

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

Direct flights

None
There are no direct flights from San Francisco to Sofia. There are no popular flight routes from San Francisco to Sofia.
  • 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
3,968 reviews
Search Turkish Airlines flights
United AirlinesPriceFrom $627Free CancellationRating
7.4
8,929 reviews
Search United Airlines flights
LufthansaPriceFrom $628Free CancellationRating
6.8
7,407 reviews
Search Lufthansa flights
ITA AirwaysPriceFrom $652Free CancellationRating
6.7
1,036 reviews
Search ITA Airways flights
Air CanadaPriceFrom $1,023Free CancellationRating
7.1
10,000 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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1 adult
mié. 10/15
mié. 10/22

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