What is the cheapest airline that flies from San Francisco to Sofia?

Lufthansa, United Airlines, and British Airways are the most popular carriers operating from San Francisco to Sofia

Which layover airport offers the lowest fares from San Francisco to Sofia?

Flights via London (LHR) offer the lowest average round-trip price of $796.

Which layover airport has the shortest connection time from San Francisco to Sofia?

Munich (MUC) has the shortest average layover time for this route: 2h 25m.

What airlines fly to Sofia?

Lufthansa, Turkish Airlines and United Airlines are the top three most popular airlines that fly to Sofia from San Francisco according to our data. Lufthansa is the first choice among our users, with 40% of people opting to fly with this airline when traveling to Sofia. Keep in mind that there are 6 different airlines that fly to Sofia on a routine basis, so you have a few additional options to choose from.

Which airport is the most popular layover for flights between San Francisco and Sofia?

Istanbul (IST) was the most common stop: 73% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport has the shortest travel time from San Francisco to Sofia?

Flights connecting via Munich (MUC) have the shortest average one-way travel time: 15h 24m.

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?

As of March 2026, there are 7 operators available to choose from 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.

$332 Cheap Flights from San Francisco to Sofia in 2026

Q: What is the typical price of a round-trip flight between San Francisco and Sofia?

Prices are currently typical for flights on this route. Typical prices usually range from $590 to $742. The lowest price recently found on this route was $596.

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Find the cheapest flights from San Francisco to Sofia

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

6:45 pm - 8:15 pm

SFO

SOF

15h 30m

1 stop

9:35 am - 4:40 pm

SOF

SFO

17h 05m

1 stop

$596Turkish Airlines

Tue, Apr 7 - Tue, Apr 14

6:45 pm - 8:15 pm

SFO

SOF

15h 30m

1 stop

9:05 pm - 10:50 am

SOF

SFO

23h 45m

1 stop

$598Turkish Airlines

Wed, May 6 - Wed, May 20

6:45 pm - 8:45 am

SFO

SOF

28h 00m

1 stop

9:35 am - 10:50 am

SOF

SFO

35h 15m

1 stop

$600Turkish Airlines

Thu, Apr 9 - Thu, Apr 23

6:45 pm - 8:45 am

SFO

SOF

28h 00m

1 stop

9:35 am - 4:40 pm

SOF

SFO

17h 05m

1 stop

$604Turkish Airlines

Tue, Aug 11 - Tue, Sep 15

6:45 pm - 1:15 pm

SFO

SOF

32h 30m

1 stop

9:35 am - 4:40 pm

SOF

SFO

17h 05m

1 stop

$608Turkish Airlines

Wed, Apr 29 - Tue, Oct 6

6:45 pm - 8:15 pm

SFO

SOF

15h 30m

1 stop

9:35 am - 4:40 pm

SOF

SFO

17h 05m

1 stop

$609Turkish Airlines

Tue, Aug 11 - Tue, Sep 15

12:55 pm - 8:15 pm

SFO

SOF

21h 20m

1 stop

9:05 pm - 4:40 pm

SOF

SFO

29h 35m

1 stop

$610Turkish Airlines

Mon, Apr 13 - Mon, Apr 20

6:45 pm - 8:15 pm

SFO

SOF

15h 30m

1 stop

9:35 am - 4:40 pm

SOF

SFO

17h 05m

1 stop

$612Turkish Airlines

Wed, Apr 29 - Tue, Oct 6

12:55 pm - 8:45 am

SFO

SOF

33h 50m

1 stop

9:35 am - 10:50 am

SOF

SFO

35h 15m

1 stop

$614Turkish Airlines

Mon, Apr 20 - Mon, May 25

12:55 pm - 3:00 pm

SFO

SOF

16h 05m

1 stop

2:05 pm - 4:40 pm

SOF

SFO

36h 35m

1 stop

$615Turkish Airlines

Fri, Apr 10 - Fri, Apr 24

SWISS flights from San Francisco to Sofia

Our best SWISS deals on San Francisco to Sofia flight tickets

SWISS

Jul 27

SFO7:35 pmSan Francisco

28h 45m

1 stop

SOF10:20 amSofia

Sep 8

SOF1:05 pmSofia

60h 16m

2 stops

SFO3:21 pmSan Francisco

$718

SWISS

Mar 29

SFO7:35 pmSan Francisco

30h 40m

1 stop

SOF12:15 pmSofia

Apr 14

SOF1:05 pmSofia

37h 10m

1 stop

SFO4:15 pmSan Francisco

$806

SWISS

Mar 29

SFO7:35 pmSan Francisco

30h 35m

2 stops

SOF12:10 pmSofia

Apr 14

SOF1:05 pmSofia

37h 10m

1 stop

SFO4:15 pmSan Francisco

$822

United Airlines flights from San Francisco to Sofia

Our best United Airlines deals on San Francisco to Sofia flight tickets

United Airlines

Jul 29

SFO10:40 amSan Francisco

22h 00m

2 stops

SOF6:40 pmSofia

Sep 3

SOF6:30 amSofia

18h 45m

1 stop

SFO3:15 pmSan Francisco

$719

United Airlines

Jul 27

SFO9:05 pmSan Francisco

15h 55m

1 stop

SOF11:00 pmSofia

Sep 4

SOF6:20 amSofia

22h 52m

2 stops

SFO7:12 pmSan Francisco

$725

United Airlines

Jul 29

SFO10:40 amSan Francisco

22h 00m

2 stops

SOF6:40 pmSofia

Sep 9

SOF1:50 pmSofia

20h 30m

2 stops

SFO12:20 amSan Francisco

$729

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Tue 4/7

6:45 pm-8:15 pm

1 stop15h 30m

Sofia

Tue 4/14

9:35 am-4:40 pm

1 stop17h 05m

$596

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Wed 5/6

6:45 pm-8:15 pm

1 stop15h 30m

Sofia

Wed 5/20

9:05 pm-10:50 am

1 stop23h 45m

$598

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Thu 4/9

6:45 pm-8:45 am

1 stop28h 00m

Sofia

Thu 4/23

9:35 am-10:50 am

1 stop35h 15m

$600

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Tue 8/11

6:45 pm-8:45 am

1 stop28h 00m

Sofia

Tue 9/15

9:35 am-4:40 pm

1 stop17h 05m

$604

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Wed 4/29

6:45 pm-1:15 pm

1 stop32h 30m

Sofia

Tue 10/6

9:35 am-4:40 pm

1 stop17h 05m

$608

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Tue 8/11

6:45 pm-8:15 pm

1 stop15h 30m

Sofia

Tue 9/15

9:35 am-4:40 pm

1 stop17h 05m

$609

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Mon 4/13

12:55 pm-8:15 pm

1 stop21h 20m

Sofia

Mon 4/20

9:05 pm-4:40 pm

1 stop29h 35m

$610

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Wed 4/29

6:45 pm-8:15 pm

1 stop15h 30m

Sofia

Tue 10/6

9:35 am-4:40 pm

1 stop17h 05m

$612

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Mon 4/20

12:55 pm-8:45 am

1 stop33h 50m

Sofia

Mon 5/25

9:35 am-10:50 am

1 stop35h 15m

$614

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Fri 4/10

12:55 pm-3:00 pm

1 stop16h 05m

Sofia

Fri 4/24

2:05 pm-4:40 pm

1 stop36h 35m

$615

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Layovers

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 $628.

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 $786 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 $652 on momondo.

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

You could potentially save up to 46% 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 55m
Direct flights	None

The fastest flight from San Francisco to Sofia takes 15h 55m

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 55m.
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?
As of March 2026, there are 7 operators available to choose from 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?
Based on momondo bookings for flights between San Francisco and Sofia, the leading airline is Lufthansa, making up 38% of the total bookings. Other popular airlines include Turkish Airlines with 37%, United Airlines with 19%, and ITA Airways with 2%.

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 Airlines	PriceFrom $455	Free Cancellation	Rating 7.3 4,268 reviews	Search Turkish Airlines flights
Lufthansa	PriceFrom $544	Free Cancellation	Rating 6.8 7,860 reviews	Search Lufthansa flights
British Airways	PriceFrom $594	Free Cancellation	Rating 6.7 7,807 reviews	Search British Airways flights
United Airlines	PriceFrom $603	Free Cancellation	Rating 7.4 9,455 reviews	Search United Airlines flights
LOT	PriceFrom $627	Free Cancellation	Rating 7.5 1,184 reviews	Search LOT flights
ITA Airways	PriceFrom $651	Free Cancellation	Rating 6.7 1,171 reviews	Search ITA Airways flights
Air Canada	PriceFrom $771	Free Cancellation	Rating 7.1 10,830 reviews	Search Air Canada flights

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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.

An easier way to manage your Sofia trip

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Cheap flights from San Francisco to Sofia from $342

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.

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How to get the cheapest flight ticket from San Francisco to Sofia

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

What is the cheapest month to fly to Sofia?

How far in advance should I book a flight to Sofia?

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

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

What is the cheapest airline that flies from San Francisco to Sofia?

What airlines fly to Sofia?

Which airport is the most popular layover for flights between San Francisco and Sofia?

Which layover airport offers the lowest fares from San Francisco to Sofia?

Which layover airport has the shortest travel time from San Francisco to Sofia?

Which layover airport has the shortest connection time from San Francisco to Sofia?

When to book flights from San Francisco to Sofia

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

Direct flights

Best airlines flying from San Francisco to Sofia

Compare and see reviews for airlines that fly from San Francisco to Sofia with momondo

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Why use momondo?

An easier way to manage your Sofia trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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List of cabin classes available on flights landing in Sofia. Availability may vary depending on flight origin and airline.

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