What is the cheapest airline that flies from California to Sofia?

Lufthansa, American Airlines, and British Airways are the most popular carriers operating from California to Sofia

What airlines fly to Sofia?

Lufthansa, Turkish Airlines and United Airlines are the top three most popular airlines that fly to Sofia from California according to our data. Lufthansa is the first choice among our users, with 39% of people opting to fly with this airline when traveling to Sofia. Keep in mind that there are 9 different airlines that fly to Sofia on a routine basis, so you have a few additional options to choose from.

How long does it take to fly to Sofia?

Flight times vary depending on what airport in California you fly out of and what airport in Sofia you fly into. For example, flying from San Diego to Sofia takes 14h 45m on average. On the other hand, flying from Los Angeles to Sofia takes 14h 50m on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo if there are any available for your route.

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

Prices for flights from California to Sofia Airport are refreshed on a daily basis.

How many operators does momondo search for flights from California to Sofia Airport?

As of September 2025, there are 9 operators available to choose from for flights from California to Sofia Airport.

How old do you have to be to fly from California 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 California to Sofia Airport.

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

The required travel and health documents for your Sofia Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Sofia Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$257 Cheap Flights from California to Sofia in 2025/26

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Find the cheapest flights from California to Sofia

Round-trip

One-way

Last minute

Cheap round-trip flights

9:40 pm - 10:45 pmSFO-SOF

15h 05m1 stop

6:00 am - 12:40 pmSOF-SFO

16h 40m1 stop

$546Lufthansa

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qua, nov 5 - ter, nov 25

8:40 pm - 8:10 pmSFO-SOF

37h 30m1 stop

5:25 pm - 6:45 pmSOF-SFO

35h 20m1 stop

$547American Airlines

Find Deal

seg, jan 19 - seg, fev 2

8:40 pm - 8:10 pmSFO-SOF

37h 30m1 stop

5:25 pm - 6:45 pmSOF-SFO

35h 20m1 stop

$548British Airways

Find Deal

seg, nov 3 - seg, nov 17

8:40 pm - 8:10 pmSFO-SOF

37h 30m1 stop

5:25 pm - 3:00 pmSOF-SFO

31h 35m1 stop

$549British Airways

Find Deal

seg, nov 3 - seg, nov 17

12:25 pm - 10:45 pmSNA-SOF

48h 20m2 stops

2:15 pm - 1:11 pmSOF-SNA

32h 56m3 stops

$550Multiple Airlines

Find Deal

ter, jan 13 - ter, jan 27

1:30 pm - 10:45 pmSFO-SOF

23h 15m1 stop

6:00 am - 9:22 pmSOF-SFO

25h 22m2 stops

$551United Airlines

Find Deal

qua, nov 5 - ter, nov 25

12:25 pm - 6:20 pmSNA-SOF

43h 55m2 stops

6:10 am - 11:25 amSOF-SNA

39h 15m2 stops

$554Air Canada

Find Deal

seg, jan 12 - qua, jan 28

8:25 am - 6:15 pmSFO-SOF

23h 50m2 stops

6:00 am - 9:22 pmSOF-SFO

25h 22m2 stops

$556Air Canada

Find Deal

ter, fev 17 - ter, mar 3

7:55 pm - 10:45 pmSNA-SOF

40h 50m2 stops

6:10 am - 5:28 pmSOF-SNA

21h 18m2 stops

$562United Airlines

Find Deal

dom, jan 11 - qua, jan 28

12:50 pm - 6:20 pmSFO-SOF

19h 30m2 stops

3:00 pm - 4:30 pmSOF-SFO

35h 30m1 stop

$562Multiple Airlines

Find Deal

seg, nov 3 - seg, nov 17

Turkish Airlines flights from California to Sofia

Our best Turkish Airlines deals on California to Sofia flight tickets

Turkish Airlines

Oct 8

SFO12:40 pmSan Francisco

21h 45m

1 stop

SOF8:25 pmSofia

Oct 22

SOF9:25 amSofia

17h 15m

1 stop

SFO4:40 pmSan Francisco

$590

Find similar

Turkish Airlines

Oct 17

LAX7:55 pmLos Angeles

26h 40m

1 stop

SOF8:35 amSofia

Oct 31

SOF9:40 pmSofia

23h 30m

1 stop

LAX12:10 pmLos Angeles

$607

Find similar

Turkish Airlines

Sep 24

SFO12:40 pmSan Francisco

16h 05m

1 stop

SOF2:45 pmSofia

Oct 10

SOF3:35 pmSofia

29h 00m

1 stop

SFO10:35 amSan Francisco

$616

Find similar

United Airlines flights from California to Sofia

Our best United Airlines deals on California to Sofia flight tickets

United Airlines

Nov 5

SFO1:30 pmSan Francisco

23h 15m

1 stop

SOF10:45 pmSofia

Nov 25

SOF6:00 amSofia

25h 22m

2 stops

SFO9:22 pmSan Francisco

$551

Find similar

United Airlines

Jan 11

SNA7:55 pmSanta Ana J. Wayne/Orange Cnty

40h 50m

2 stops

SOF10:45 pmSofia

Jan 28

SOF6:10 amSofia

21h 18m

2 stops

SNA5:28 pmSanta Ana J. Wayne/Orange Cnty

$562

Find similar

United Airlines

Jan 11

SNA10:51 amSanta Ana J. Wayne/Orange Cnty

21h 29m

2 stops

SOF6:20 pmSofia

Jan 28

SOF6:10 amSofia

21h 18m

2 stops

SNA5:28 pmSanta Ana J. Wayne/Orange Cnty

$567

Find similar

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

qua 11/5

9:40 pm-10:45 pm

1 stop15h 05m

Sofia

ter 11/25

6:00 am-12:40 pm

1 stop16h 40m

$546

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

seg 1/19

8:40 pm-8:10 pm

1 stop37h 30m

Sofia

seg 2/2

5:25 pm-6:45 pm

1 stop35h 20m

$547

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

seg 11/3

8:40 pm-8:10 pm

1 stop37h 30m

Sofia

seg 11/17

5:25 pm-6:45 pm

1 stop35h 20m

$548

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

seg 11/3

8:40 pm-8:10 pm

1 stop37h 30m

Sofia

seg 11/17

5:25 pm-3:00 pm

1 stop31h 35m

$549

Santa AnaSofia

SNA - SOF

SNASOF

Santa Ana J. Wayne/Orange Cnty

ter 1/13

12:25 pm-10:45 pm

2 stops48h 20m

Sofia

ter 1/27

2:15 pm-1:11 pm

3 stops32h 56m

$550

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

qua 11/5

1:30 pm-10:45 pm

1 stop23h 15m

Sofia

ter 11/25

6:00 am-9:22 pm

2 stops25h 22m

$551

Santa AnaSofia

SNA - SOF

SNASOF

Santa Ana J. Wayne/Orange Cnty

seg 1/12

12:25 pm-6:20 pm

2 stops43h 55m

Sofia

qua 1/28

6:10 am-11:25 am

2 stops39h 15m

$554

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

ter 2/17

8:25 am-6:15 pm

2 stops23h 50m

Sofia

ter 3/3

6:00 am-9:22 pm

2 stops25h 22m

$556

Santa AnaSofia

SNA - SOF

SNASOF

Santa Ana J. Wayne/Orange Cnty

dom 1/11

7:55 pm-10:45 pm

2 stops40h 50m

Sofia

qua 1/28

6:10 am-5:28 pm

2 stops21h 18m

$562

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

seg 11/3

12:50 pm-6:20 pm

2 stops19h 30m

Sofia

seg 11/17

3:00 pm-4:30 pm

1 stop35h 30m

$562

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How to get the cheapest flight ticket from California 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

Other information

What is the cheapest month to fly to Sofia?

The cheapest month to fly to Sofia from California is in February. Flight prices, which tend to average around $636, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of February, then book flights to Sofia from California during November instead. Flights to Sofia in November, while not as cheap as those in February, still average around $644.

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

According to our data, Monday is the cheapest day to fly to Sofia from California. The lowest ticket price found for a Monday departure recently was $773. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from California to Sofia on a Saturday will generally be more expensive and average around $1,099. 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 evening is the cheapest time of day to fly from California to Sofia when you can find flight prices for as low as $695. Flying to Sofia in the evening is an ideal time because this is during off-peak travel hours. In the afternoon is when there is more demand to fly to Sofia, so prices are often more expensive at around $942 per ticket.

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

You are more likely to see cheaper flights to Sofia from California when booking weeks ahead of your departure date. In general, you can expect to find flights to Sofia for around $835 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sofia from California for as low as $716 on momondo.

Can stopping save me money on California to Sofia flights?

You could potentially save up to 26% on your flight if you consider stops on a California to Sofia flight.

Cheap California to Sofia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from California to Sofia

Direct flights	None

There are no direct flights from California to Sofia. There are no popular flight routes from California to Sofia.

Search flight deals

When did momondo last update prices for flights from California to Sofia Airport?
Prices for flights from California to Sofia Airport are refreshed on a daily basis.
How many operators does momondo search for flights from California to Sofia Airport?
As of September 2025, there are 9 operators available to choose from for flights from California to Sofia Airport.
How old do you have to be to fly from California 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 California to Sofia Airport.
What documentation or ID do you need to fly to Sofia Airport?
The required travel and health documents for your Sofia Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Sofia Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from California to Sofia

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

Airline	Rating	Free Cancellation	Price
ITA Airways	PriceFrom $530	Free Cancellation	Rating 6.7 1,037 reviews	Search ITA Airways flights
LOT	PriceFrom $535	Free Cancellation	Rating 7.6 1,117 reviews	Search LOT flights
Turkish Airlines	PriceFrom $542	Free Cancellation	Rating 7.3 3,969 reviews	Search Turkish Airlines flights
KLM	PriceFrom $588	Free Cancellation	Rating 7.8 1,386 reviews	Search KLM flights
Lufthansa	PriceFrom $610	Free Cancellation	Rating 6.8 7,415 reviews	Search Lufthansa flights
United Airlines	PriceFrom $627	Free Cancellation	Rating 7.4 8,926 reviews	Search United Airlines flights
British Airways	PriceFrom $641	Free Cancellation	Rating 6.7 7,373 reviews	Search British Airways flights
Austrian Airlines	PriceFrom $650	Free Cancellation	Rating 7.6 850 reviews	Search Austrian Airlines flights
Air Canada	PriceFrom $1,023	Free Cancellation	Rating 7.1 10,000 reviews	Search Air Canada flights

Bansko

Borovets

Velingrad

Sandanski

Why use momondo?

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

Finding the right flight to Sofia from California is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Sofia quick and easy, saving you time and money.

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

Yes. All flights to Sofia from California on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from California to Sofia?

momondo provides multiple filters to help you find the best flight to Sofia from California. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes. momondo can track prices for California to Sofia flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Sofia trip

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Cheap flights from California to Sofia from $257

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from California to Sofia departing on 9/26. 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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Big names and deals

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Filter for what you want

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Turkish Airlines flights from California to Sofia

Our best Turkish Airlines deals on California to Sofia flight tickets

United Airlines flights from California to Sofia

Our best United Airlines deals on California to Sofia flight tickets

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How to get the cheapest flight ticket from California 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 California to Sofia flights?

You could potentially save up to 26% on your flight if you consider stops on a California to Sofia flight.

What is the cheapest airline that flies from California to Sofia?

Lufthansa, American Airlines, and British Airways are the most popular carriers operating from California to Sofia

What airlines fly to Sofia?

How long does it take to fly to Sofia?

Cheap California to Sofia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from California to Sofia

Direct flights

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

How many operators does momondo search for flights from California to Sofia Airport?

How old do you have to be to fly from California to Sofia Airport?

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

Best airlines flying from California to Sofia

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

Traveling to a place near Sofia?

Why use momondo?

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

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

How can momondo help me find flights from California to Sofia?

I’m not ready to book a flight from California 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