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

Air Canada, United Airlines, and Air France are the most popular carriers operating from San Francisco to Sofia

What airlines fly to Sofia?

Turkish Airlines, Lufthansa and United Airlines are the top three most popular airlines that fly to Sofia from San Francisco according to our data. Turkish Airlines is the first choice among our users, with 42% 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 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.

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 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 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 February 2026, there are 6 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.

$260 Cheap Flights from San Francisco to Sofia in 2026

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9:05 pm - 11:00 pm

SFO

SOF

15h 55m

1 stop

6:10 am - 12:40 pm

SOF

SFO

16h 30m

1 stop

$529Lufthansa

Tue, Aug 18 - Tue, Sep 1

7:40 pm - 9:40 am

SFO

SOF

28h 00m

1 stop

9:40 pm - 5:55 pm

SOF

SFO

30h 15m

1 stop

$531Multiple Airlines

Tue, Apr 14 - Wed, Apr 22

2:00 pm - 11:00 pm

SFO

SOF

23h 00m

1 stop

6:20 am - 4:58 pm

SOF

SFO

20h 38m

2 stops

$538United Airlines

Mon, Aug 17 - Wed, Aug 26

2:00 pm - 11:00 pm

SFO

SOF

23h 00m

1 stop

6:20 am - 6:28 pm

SOF

SFO

22h 08m

2 stops

$539United Airlines

Sun, Aug 16 - Wed, Aug 26

8:10 am - 1:05 pm

SFO

SOF

18h 55m

2 stops

6:10 am - 12:40 pm

SOF

SFO

16h 30m

1 stop

$542Multiple Airlines

Tue, Aug 18 - Tue, Sep 1

12:45 am - 11:00 pm

SFO

SOF

36h 15m

2 stops

6:20 am - 4:58 pm

SOF

SFO

20h 38m

2 stops

$543United Airlines

Sun, Aug 16 - Wed, Aug 26

9:05 pm - 11:00 pm

SFO

SOF

15h 55m

1 stop

6:30 am - 12:40 pm

SOF

SFO

16h 10m

1 stop

$545Lufthansa

Tue, Aug 18 - Thu, Aug 27

2:00 pm - 11:00 pm

SFO

SOF

23h 00m

1 stop

6:30 am - 12:40 pm

SOF

SFO

16h 10m

1 stop

$547United Airlines

Wed, Aug 19 - Thu, Aug 27

7:40 pm - 8:55 am

SFO

SOF

27h 15m

2 stops

9:40 pm - 5:55 pm

SOF

SFO

30h 15m

1 stop

$548Multiple Airlines

Tue, Apr 14 - Wed, Apr 22

2:00 pm - 11:00 pm

SFO

SOF

23h 00m

1 stop

2:20 pm - 12:40 pm

SOF

SFO

32h 20m

1 stop

$549United Airlines

Sun, Aug 16 - Mon, Aug 24

United Airlines flights from San Francisco to Sofia

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

United Airlines

Aug 17

SFO2:00 pmSan Francisco

23h 00m

1 stop

SOF11:00 pmSofia

Aug 26

SOF6:20 amSofia

20h 38m

2 stops

SFO4:58 pmSan Francisco

$538

United Airlines

Aug 16

SFO2:00 pmSan Francisco

23h 00m

1 stop

SOF11:00 pmSofia

Aug 26

SOF6:20 amSofia

22h 08m

2 stops

SFO6:28 pmSan Francisco

$539

United Airlines

Aug 16

SFO12:45 amSan Francisco

36h 15m

2 stops

SOF11:00 pmSofia

Aug 26

SOF6:20 amSofia

20h 38m

2 stops

SFO4:58 pmSan Francisco

$543

LOT flights from San Francisco to Sofia

Our best LOT deals on San Francisco to Sofia flight tickets

LOT

Aug 19

SFO10:15 pmSan Francisco

17h 45m

1 stop

SOF2:00 amSofia

Aug 26

SOF2:35 pmSofia

15h 40m

1 stop

SFO8:15 pmSan Francisco

$553

LOT

May 6

SFO10:15 pmSan Francisco

17h 45m

1 stop

SOF2:00 amSofia

May 27

SOF2:35 pmSofia

15h 40m

1 stop

SFO8:15 pmSan Francisco

$581

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Tue 8/18

9:05 pm-11:00 pm

1 stop15h 55m

Sofia

Tue 9/1

6:10 am-12:40 pm

1 stop16h 30m

$529

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Tue 4/14

7:40 pm-9:40 am

1 stop28h 00m

Sofia

Wed 4/22

9:40 pm-5:55 pm

1 stop30h 15m

$531

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Mon 8/17

2:00 pm-11:00 pm

1 stop23h 00m

Sofia

Wed 8/26

6:20 am-4:58 pm

2 stops20h 38m

$538

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Sun 8/16

2:00 pm-11:00 pm

1 stop23h 00m

Sofia

Wed 8/26

6:20 am-6:28 pm

2 stops22h 08m

$539

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Tue 8/18

8:10 am-1:05 pm

2 stops18h 55m

Sofia

Tue 9/1

6:10 am-12:40 pm

1 stop16h 30m

$542

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Sun 8/16

12:45 am-11:00 pm

2 stops36h 15m

Sofia

Wed 8/26

6:20 am-4:58 pm

2 stops20h 38m

$543

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Tue 8/18

9:05 pm-11:00 pm

1 stop15h 55m

Sofia

Thu 8/27

6:30 am-12:40 pm

1 stop16h 10m

$545

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Wed 8/19

2:00 pm-11:00 pm

1 stop23h 00m

Sofia

Thu 8/27

6:30 am-12:40 pm

1 stop16h 10m

$547

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Tue 4/14

7:40 pm-8:55 am

2 stops27h 15m

Sofia

Wed 4/22

9:40 pm-5:55 pm

1 stop30h 15m

$548

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Sun 8/16

2:00 pm-11:00 pm

1 stop23h 00m

Sofia

Mon 8/24

2:20 pm-12:40 pm

1 stop32h 20m

$549

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 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 $624.

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 $801 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 48% 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 February 2026, there are 6 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 Turkish Airlines, making up 40% of the total bookings. Other popular airlines include Lufthansa with 36%, United Airlines with 18%, 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 $523	Free Cancellation	Rating 7.3 4,229 reviews	Search Turkish Airlines flights
Lufthansa	PriceFrom $548	Free Cancellation	Rating 6.8 7,802 reviews	Search Lufthansa flights
British Airways	PriceFrom $594	Free Cancellation	Rating 6.7 7,757 reviews	Search British Airways flights
United Airlines	PriceFrom $603	Free Cancellation	Rating 7.4 9,339 reviews	Search United Airlines flights
ITA Airways	PriceFrom $651	Free Cancellation	Rating 6.7 1,151 reviews	Search ITA Airways flights
Air Canada	PriceFrom $771	Free Cancellation	Rating 7.1 10,738 reviews	Search Air Canada flights

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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.

An easier way to manage your Sofia trip

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Cheap flights from San Francisco to Sofia from $260

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 7/5. 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 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

Traveling to a place near Sofia?

Why use momondo?

Why should I use momondo to find a flight deal from San Francisco to Sofia?

Can I find flights from San Francisco to Sofia with flexible booking policies on momondo?

How can momondo help me find flights from San Francisco to Sofia?

I’m not ready to book a flight from San Francisco to Sofia right now. Can momondo alert me if prices change?

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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Bulgaria

Fly your favorite airline to Sofia

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Cabin classes currently available on flights to Sofia

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

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