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Cheap flights from San Francisco to Sofia from $353

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 5/11. 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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Cheap round-trip flights

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ITA Airways Logo
12:00 pm - 12:05 pmSFO-SOF
38h 05m2 stops
ITA Airways Logo
12:55 pm - 1:15 pmSOF-SFO
34h 20m1 stop
$565ITA Airways
Find Deal
Mon, Apr 20 - Mon, May 4
Lufthansa Logo
3:15 pm - 10:45 pmSFO-SOF
21h 30m2 stops
Lufthansa Logo
6:10 am - 12:40 pmSOF-SFO
16h 30m1 stop
$567Lufthansa
Find Deal
Sun, Jan 11 - Sun, Jan 25
ITA Airways Logo
12:00 pm - 12:05 pmSFO-SOF
38h 05m2 stops
ITA Airways Logo
12:55 pm - 6:56 pmSOF-SFO
40h 01m2 stops
$568ITA Airways
Find Deal
Mon, Apr 20 - Mon, May 4
Lufthansa Logo
9:40 pm - 10:45 pmSFO-SOF
15h 05m1 stop
Lufthansa Logo
6:25 am - 3:55 pmSOF-SFO
19h 30m1 stop
$571Lufthansa
Find Deal
Sat, Jan 10 - Sat, Jan 24
ITA Airways Logo
6:35 am - 12:05 pmSFO-SOF
19h 30m2 stops
ITA Airways Logo
6:00 pm - 8:00 pmSOF-SFO
36h 00m2 stops
$573ITA Airways
Find Deal
Sun, Apr 19 - Sun, May 3
Lufthansa Logo
9:40 pm - 10:45 pmSFO-SOF
15h 05m1 stop
Lufthansa Logo
6:05 am - 12:40 pmSOF-SFO
16h 35m2 stops
$580Lufthansa
Find Deal
Sat, Jan 10 - Sat, Jan 24
Lufthansa Logo
6:50 pm - 10:45 pmSFO-SOF
17h 55m1 stop
Lufthansa Logo
6:10 am - 12:40 pmSOF-SFO
16h 30m1 stop
$582Lufthansa
Find Deal
Sun, Jan 11 - Sun, Jan 25
Lufthansa Logo
6:50 pm - 10:45 pmSFO-SOF
17h 55m1 stop
Lufthansa Logo
2:35 pm - 8:10 pmSOF-SFO
15h 35m1 stop
$583Lufthansa
Find Deal
Fri, Jan 9 - Fri, Jan 23
Lufthansa Logo
9:40 pm - 10:45 pmSFO-SOF
15h 05m1 stop
Lufthansa Logo
6:10 am - 12:40 pmSOF-SFO
16h 30m1 stop
$584Lufthansa
Find Deal
Mon, Jan 12 - Mon, Jan 26
Lufthansa Logo
10:40 pm - 10:45 pmSFO-SOF
15h 05m1 stop
Lufthansa Logo
12:50 pm - 7:00 pmSOF-SFO
16h 10m1 stop
$586Lufthansa
Find Deal
Fri, Mar 20 - Fri, Apr 3

ITA Airways flights from San Francisco to Sofia

Our best ITA Airways deals on San Francisco to Sofia flight tickets
ITA Airways
Apr 20
SFO12:00 pmSan Francisco
38h 05m
2 stops
SOF12:05 pmSofia
May 4
SOF12:55 pmSofia
34h 20m
1 stop
SFO1:15 pmSan Francisco
$565
Find similar
ITA Airways
Apr 20
SFO12:00 pmSan Francisco
38h 05m
2 stops
SOF12:05 pmSofia
May 4
SOF12:55 pmSofia
40h 01m
2 stops
SFO6:56 pmSan Francisco
$568
Find similar
ITA Airways
Apr 19
SFO6:35 amSan Francisco
19h 30m
2 stops
SOF12:05 pmSofia
May 3
SOF6:00 pmSofia
36h 00m
2 stops
SFO8:00 pmSan Francisco
$573
Find similar

Lufthansa flights from San Francisco to Sofia

Our best Lufthansa deals on San Francisco to Sofia flight tickets
Lufthansa
Nov 27
SFO9:40 pmSan Francisco
15h 05m
1 stop
SOF10:45 pmSofia
Dec 10
SOF6:10 amSofia
21h 38m
2 stops
SFO5:48 pmSan Francisco
$564
Find similar
Lufthansa
Jan 10
SFO9:40 pmSan Francisco
15h 05m
1 stop
SOF10:45 pmSofia
Jan 24
SOF6:25 amSofia
19h 30m
1 stop
SFO3:55 pmSan Francisco
$571
Find similar
Lufthansa
Nov 27
SFO9:40 pmSan Francisco
15h 05m
1 stop
SOF10:45 pmSofia
Dec 10
SOF6:10 amSofia
16h 30m
1 stop
SFO12:40 pmSan Francisco
$573
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 November 21, 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

Mon 4/20

12:00 pm-12:05 pm

2 stops38h 05m

Sofia

Mon 5/4

12:55 pm-1:15 pm

1 stop34h 20m

$565

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Sun 1/11

3:15 pm-10:45 pm

2 stops21h 30m

Sofia

Sun 1/25

6:10 am-12:40 pm

1 stop16h 30m

$567

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Mon 4/20

12:00 pm-12:05 pm

2 stops38h 05m

Sofia

Mon 5/4

12:55 pm-6:56 pm

2 stops40h 01m

$568

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Sat 1/10

9:40 pm-10:45 pm

1 stop15h 05m

Sofia

Sat 1/24

6:25 am-3:55 pm

1 stop19h 30m

$571

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Sun 4/19

6:35 am-12:05 pm

2 stops19h 30m

Sofia

Sun 5/3

6:00 pm-8:00 pm

2 stops36h 00m

$573

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Sat 1/10

9:40 pm-10:45 pm

1 stop15h 05m

Sofia

Sat 1/24

6:05 am-12:40 pm

2 stops16h 35m

$580

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Sun 1/11

6:50 pm-10:45 pm

1 stop17h 55m

Sofia

Sun 1/25

6:10 am-12:40 pm

1 stop16h 30m

$582

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Fri 1/9

6:50 pm-10:45 pm

1 stop17h 55m

Sofia

Fri 1/23

2:35 pm-8:10 pm

1 stop15h 35m

$583

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Mon 1/12

9:40 pm-10:45 pm

1 stop15h 05m

Sofia

Mon 1/26

6:10 am-12:40 pm

1 stop16h 30m

$584

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Fri 3/20

10:40 pm-10:45 pm

1 stop15h 05m

Sofia

Fri 4/3

12:50 pm-7:00 pm

1 stop16h 10m

$586

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 $620.

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 $815 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 $633 on momondo.

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

As of November 2025, prices for San Francisco to Sofia flights are approximately 40% more expensive 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.
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  • 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 $543Free CancellationRating
7.3
4,044 reviews
Search Turkish Airlines flights
LufthansaPriceFrom $615Free CancellationRating
6.8
7,579 reviews
Search Lufthansa flights
United AirlinesPriceFrom $627Free CancellationRating
7.4
9,029 reviews
Search United Airlines flights
ITA AirwaysPriceFrom $652Free CancellationRating
6.7
1,086 reviews
Search ITA Airways flights
Air CanadaPriceFrom $1,023Free CancellationRating
7.1
10,463 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
Air Canada