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Cheap flights from San Francisco to Sofia from $392

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 7/20. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from San Francisco to Sofia

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
10:40 pm - 10:45 pm
SFO
-
SOF
15h 05m
1 stop
Multiple Airlines Logo
6:25 am - 8:32 pm
SOF
-
SFO
24h 07m
2 stops
$725Multiple Airlines
Wed, Oct 28 - Wed, Nov 11
Multiple Airlines Logo
9:40 pm - 10:45 pm
SFO
-
SOF
15h 05m
1 stop
Multiple Airlines Logo
6:25 am - 9:33 pm
SOF
-
SFO
25h 08m
2 stops
$727Multiple Airlines
Wed, Dec 2 - Wed, Dec 16
Multiple Airlines Logo
6:30 am - 6:20 pm
SFO
-
SOF
25h 50m
2 stops
Multiple Airlines Logo
6:25 am - 12:35 pm
SOF
-
SFO
16h 10m
1 stop
$730Multiple Airlines
Tue, Dec 1 - Tue, Dec 15
Lufthansa Logo
9:40 pm - 10:45 pm
SFO
-
SOF
15h 05m
1 stop
Lufthansa Logo
6:00 am - 7:35 pm
SOF
-
SFO
23h 35m
1 stop
$731Lufthansa
Wed, Dec 2 - Wed, Dec 16
Lufthansa Logo
9:40 pm - 10:45 pm
SFO
-
SOF
15h 05m
1 stop
Lufthansa Logo
6:25 am - 12:35 pm
SOF
-
SFO
16h 10m
1 stop
$735Lufthansa
Tue, Dec 8 - Tue, Jan 19
Multiple Airlines Logo
9:40 pm - 10:45 pm
SFO
-
SOF
15h 05m
1 stop
Multiple Airlines Logo
3:00 pm - 4:30 pm
SOF
-
SFO
35h 30m
1 stop
$740Multiple Airlines
Mon, Nov 30 - Mon, Dec 14
Lufthansa Logo
9:40 pm - 10:45 pm
SFO
-
SOF
15h 05m
1 stop
Lufthansa Logo
7:05 pm - 7:35 pm
SOF
-
SFO
34h 30m
1 stop
$741Lufthansa
Mon, Nov 2 - Mon, Nov 16
Multiple Airlines Logo
8:40 am - 6:20 pm
SFO
-
SOF
23h 40m
2 stops
Multiple Airlines Logo
7:05 pm - 7:35 pm
SOF
-
SFO
34h 30m
1 stop
$743Multiple Airlines
Mon, Nov 2 - Mon, Nov 16
Multiple Airlines Logo
9:40 pm - 10:45 pm
SFO
-
SOF
15h 05m
1 stop
Multiple Airlines Logo
3:00 pm - 4:30 pm
SOF
-
SFO
35h 30m
1 stop
$744Multiple Airlines
Mon, Dec 28 - Mon, Jan 11
Multiple Airlines Logo
9:40 pm - 10:45 pm
SFO
-
SOF
15h 05m
1 stop
Multiple Airlines Logo
6:25 am - 4:06 pm
SOF
-
SFO
19h 41m
2 stops
$746Multiple Airlines
Tue, Dec 8 - Tue, Jan 19

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Turkish Airlines flights from San Francisco to Sofia

Our best Turkish Airlines deals on San Francisco to Sofia flight tickets
Turkish Airlines
Jul 30
SFO12:55 pmSan Francisco
16h 05m
1 stop
SOF3:00 pmSofia
Aug 26
SOF3:50 pmSofia
34h 50m
1 stop
SFO4:40 pmSan Francisco
$797
Turkish Airlines
Sep 13
SFO6:45 pmSan Francisco
15h 35m
1 stop
SOF8:20 pmSofia
Sep 23
SOF9:10 pmSofia
23h 40m
1 stop
SFO10:50 amSan Francisco
$799

United Airlines flights from San Francisco to Sofia

Our best United Airlines deals on San Francisco to Sofia flight tickets
United Airlines
Oct 31
SFO11:59 pmSan Francisco
28h 11m
2 stops
SOF1:10 pmSofia
Nov 14
SOF6:25 amSofia
19h 40m
1 stop
SFO4:05 pmSan Francisco
$800
United Airlines
Oct 31
SFO10:50 pmSan Francisco
29h 20m
2 stops
SOF1:10 pmSofia
Nov 7
SOF6:00 amSofia
23h 35m
1 stop
SFO7:35 pmSan Francisco
$802
United Airlines
Jul 8
SFO2:00 pmSan Francisco
18h 40m
2 stops
SOF6:40 pmSofia
Jul 21
SOF6:10 amSofia
26h 46m
2 stops
SFO10:56 pmSan Francisco
$1,063

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 July 2, 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

Cheapest round-trip

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Wed 10/28

10:40 pm-10:45 pm

1 stop15h 05m

Sofia

Wed 11/11

6:25 am-8:32 pm

2 stops24h 07m

$725

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Wed 12/2

9:40 pm-10:45 pm

1 stop15h 05m

Sofia

Wed 12/16

6:25 am-9:33 pm

2 stops25h 08m

$727

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Tue 12/1

6:30 am-6:20 pm

2 stops25h 50m

Sofia

Tue 12/15

6:25 am-12:35 pm

1 stop16h 10m

$730

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Wed 12/2

9:40 pm-10:45 pm

1 stop15h 05m

Sofia

Wed 12/16

6:00 am-7:35 pm

1 stop23h 35m

$731
Quickest round-trip

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Tue 12/8

9:40 pm-10:45 pm

1 stop15h 05m

Sofia

Tue 1/19

6:25 am-12:35 pm

1 stop16h 10m

$735

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Mon 11/30

9:40 pm-10:45 pm

1 stop15h 05m

Sofia

Mon 12/14

3:00 pm-4:30 pm

1 stop35h 30m

$740

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Mon 11/2

9:40 pm-10:45 pm

1 stop15h 05m

Sofia

Mon 11/16

7:05 pm-7:35 pm

1 stop34h 30m

$741

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Mon 11/2

8:40 am-6:20 pm

2 stops23h 40m

Sofia

Mon 11/16

7:05 pm-7:35 pm

1 stop34h 30m

$743

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Mon 12/28

9:40 pm-10:45 pm

1 stop15h 05m

Sofia

Mon 1/11

3:00 pm-4:30 pm

1 stop35h 30m

$744

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Tue 12/8

9:40 pm-10:45 pm

1 stop15h 05m

Sofia

Tue 1/19

6:25 am-4:06 pm

2 stops19h 41m

$746

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 April instead. Flights to Sofia in April, while not as cheap as those in October, still average around $653.

How far in advance should I book a flight from San Francisco 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 $764 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 $682 on momondo.

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

You could potentially save up to 20% 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

Frequently asked questions about flying from San Francisco to Sofia

  • How far is San Francisco to Sofia by plane?

    The distance between San Francisco and Sofia is about 6469.7 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
LufthansaPriceFrom $534Free CancellationRating
6.8
8,108 reviews
Search Lufthansa flights
Turkish AirlinesPriceFrom $574Free CancellationRating
7.4
4,437 reviews
Search Turkish Airlines flights
United AirlinesPriceFrom $603Free CancellationRating
7.4
9,926 reviews
Search United Airlines flights
LOTPriceFrom $627Free CancellationRating
7.5
1,211 reviews
Search LOT 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
LOT