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

Flights connecting via Istanbul (IST) have the shortest average one-way travel time: 15h 50m.

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

Flights via Istanbul (IST) offer the lowest average round-trip price of $859.

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

Istanbul (IST) has the shortest average layover time for this route: 2h 01m.

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 46% 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.

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

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

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

Istanbul (IST) was the most common stop: 71% of momondo users choosing 1-stop flights on this route connected there.

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 August 2025, 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.

$262 Cheap Flights from San Francisco to Sofia in 2025

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Find the cheapest flights from San Francisco to Sofia

Round-trip

One-way

Last minute

Cheap round-trip flights

12:40 pm - 2:45 pmSFO-SOF

16h 05m1 stop

9:25 am - 4:40 pmSOF-SFO

17h 15m1 stop

$568Turkish Airlines

Find Deal

Wed, Sep 10 - Wed, Sep 24

9:40 pm - 10:45 pmSFO-SOF

15h 05m1 stop

6:15 am - 12:40 pmSOF-SFO

16h 25m1 stop

$581Lufthansa

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Sun, Dec 7 - Sun, Dec 21

9:40 pm - 10:45 pmSFO-SOF

15h 05m1 stop

1:55 pm - 7:35 pmSOF-SFO

15h 40m1 stop

$585Lufthansa

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Wed, Dec 10 - Wed, Dec 24

6:45 pm - 8:35 amSFO-SOF

27h 50m1 stop

9:25 am - 10:35 amSOF-SFO

35h 10m1 stop

$587Turkish Airlines

Find Deal

Tue, Sep 9 - Tue, Sep 23

12:50 pm - 10:45 pmSFO-SOF

23h 55m2 stops

6:00 am - 8:10 pmSOF-SFO

24h 10m1 stop

$604United Airlines

Find Deal

Tue, Nov 11 - Tue, Nov 25

8:40 pm - 8:10 pmSFO-SOF

37h 30m1 stop

5:25 pm - 6:45 pmSOF-SFO

35h 20m1 stop

$605British Airways

Find Deal

Mon, Nov 10 - Mon, Nov 24

7:30 am - 6:20 pmSFO-SOF

24h 50m2 stops

2:20 pm - 3:15 pmSOF-SFO

34h 55m2 stops

$607Air Canada

Find Deal

Tue, Nov 11 - Tue, Nov 25

12:50 pm - 6:20 pmSFO-SOF

19h 30m2 stops

6:00 am - 5:50 pmSOF-SFO

21h 50m2 stops

$614United Airlines

Find Deal

Tue, Nov 11 - Tue, Nov 25

12:11 pm - 4:20 pmSFO-SOF

18h 09m2 stops

2:30 pm - 3:00 pmSOF-SFO

34h 30m1 stop

$616British Airways

Find Deal

Sun, Nov 9 - Sun, Nov 23

11:11 am - 6:20 pmSFO-SOF

21h 09m2 stops

6:15 am - 5:25 pmSOF-SFO

21h 10m2 stops

$619Air Canada

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Fri, Nov 7 - Fri, Nov 21

Lufthansa flights from San Francisco to Sofia

Our best Lufthansa deals on San Francisco to Sofia flight tickets

Lufthansa

Dec 7

SFO9:40 pmSan Francisco

15h 05m

1 stop

SOF10:45 pmSofia

Dec 21

SOF6:15 amSofia

16h 25m

1 stop

SFO12:40 pmSan Francisco

$581

Find similar

Lufthansa

Dec 10

SFO9:40 pmSan Francisco

15h 05m

1 stop

SOF10:45 pmSofia

Dec 24

SOF1:55 pmSofia

15h 40m

1 stop

SFO7:35 pmSan Francisco

$585

Find similar

Lufthansa

Dec 9

SFO9:40 pmSan Francisco

15h 05m

1 stop

SOF10:45 pmSofia

Dec 23

SOF1:55 pmSofia

15h 40m

1 stop

SFO7:35 pmSan Francisco

$589

Find similar

United Airlines flights from San Francisco to Sofia

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

United Airlines

Nov 11

SFO12:50 pmSan Francisco

23h 55m

2 stops

SOF10:45 pmSofia

Nov 25

SOF6:00 amSofia

24h 10m

1 stop

SFO8:10 pmSan Francisco

$604

Find similar

United Airlines

Nov 11

SFO12:50 pmSan Francisco

19h 30m

2 stops

SOF6:20 pmSofia

Nov 25

SOF6:00 amSofia

21h 50m

2 stops

SFO5:50 pmSan Francisco

$614

Find similar

United Airlines

Nov 6

SFO12:43 amSan Francisco

31h 37m

2 stops

SOF6:20 pmSofia

Nov 21

SOF2:35 pmSofia

15h 35m

1 stop

SFO8:10 pmSan Francisco

$624

Find similar

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Wed 9/10

12:40 pm-2:45 pm

1 stop16h 05m

Sofia

Wed 9/24

9:25 am-4:40 pm

1 stop17h 15m

$568

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Sun 12/7

9:40 pm-10:45 pm

1 stop15h 05m

Sofia

Sun 12/21

6:15 am-12:40 pm

1 stop16h 25m

$581

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Wed 12/10

9:40 pm-10:45 pm

1 stop15h 05m

Sofia

Wed 12/24

1:55 pm-7:35 pm

1 stop15h 40m

$585

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Tue 9/9

6:45 pm-8:35 am

1 stop27h 50m

Sofia

Tue 9/23

9:25 am-10:35 am

1 stop35h 10m

$587

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Tue 11/11

12:50 pm-10:45 pm

2 stops23h 55m

Sofia

Tue 11/25

6:00 am-8:10 pm

1 stop24h 10m

$604

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Mon 11/10

8:40 pm-8:10 pm

1 stop37h 30m

Sofia

Mon 11/24

5:25 pm-6:45 pm

1 stop35h 20m

$605

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Tue 11/11

7:30 am-6:20 pm

2 stops24h 50m

Sofia

Tue 11/25

2:20 pm-3:15 pm

2 stops34h 55m

$607

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Tue 11/11

12:50 pm-6:20 pm

2 stops19h 30m

Sofia

Tue 11/25

6:00 am-5:50 pm

2 stops21h 50m

$614

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Sun 11/9

12:11 pm-4:20 pm

2 stops18h 09m

Sofia

Sun 11/23

2:30 pm-3:00 pm

1 stop34h 30m

$616

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Fri 11/7

11:11 am-6:20 pm

2 stops21h 09m

Sofia

Fri 11/21

6:15 am-5:25 pm

2 stops21h 10m

$619

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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 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 March instead. Flights to Sofia in March, while not as cheap as those in January, still average around $642.

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 $848 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 $711 on momondo.

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

You could potentially save up to 9% 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 August 2025, prices for San Francisco to Sofia flights are approximately 24% 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

Best Price Found	$262
Fastest flight time	15h 05m
Direct flights	None
Airports in Sofia	1 airport

The best one-way flight to Sofia from San Francisco in the past 72 hours is $262. The best round-trip flight deal from San Francisco to Sofia found on momondo in the last 72 hours is $568.

The fastest flight from San Francisco to Sofia takes 15h 05m

There are no direct flights from San Francisco to Sofia. Popular non-direct route for this connection is San Francisco Airport - Sofia Airport.

There is 1 airport near Sofia: Sofia (SOF)

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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?
As of August 2025, 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 45% of the total bookings. Other popular airlines include Lufthansa with 35%, United Airlines with 15%, 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 $543	Free Cancellation	Rating 7.3 3,941 reviews	Search Turkish Airlines flights
British Airways	PriceFrom $578	Free Cancellation	Rating 6.6 7,261 reviews	Search British Airways flights
United Airlines	PriceFrom $627	Free Cancellation	Rating 7.4 8,920 reviews	Search United Airlines flights
Lufthansa	PriceFrom $642	Free Cancellation	Rating 6.8 7,302 reviews	Search Lufthansa flights
ITA Airways	PriceFrom $652	Free Cancellation	Rating 6.7 1,015 reviews	Search ITA Airways flights
Air Canada	PriceFrom $842	Free Cancellation	Rating 7.1 9,915 reviews	Search Air Canada flights

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.

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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Cheap flights from San Francisco to Sofia from $262

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 11/28. 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 flights from San Francisco to Sofia

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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?

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

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

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

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

You could potentially save up to 9% 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 August 2025, prices for San Francisco to Sofia flights are approximately 24% more expensive when compared to flights at the same time last year.

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

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

What airlines fly to Sofia?

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

Istanbul (IST) was the most common stop: 71% 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 Istanbul (IST) offer the lowest average round-trip price of $859.

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

Flights connecting via Istanbul (IST) have the shortest average one-way travel time: 15h 50m.

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

Istanbul (IST) has the shortest average layover time for this route: 2h 01m.

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

Best Price Found

Fastest flight time

Direct flights

Airports in Sofia

How far is San Francisco to Sofia by plane?

When did momondo last update prices for flights from San Francisco Airport to Sofia Airport?

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?

What documentation or ID do you need to fly to Sofia Airport?

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

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

Airlines are sorted and displayed according to clicks in the past 7 days on momondo