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Cheap flights from California to Bulgaria from $322

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 Bulgaria departing on 8/23. 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
0 bags

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Find the cheapest flights from California to Bulgaria

Cheap round-trip flights

Enter your travel dates to find the best prices.
LOT Logo
10:05 pm - 1:55 am
LAX
-
SOF
17h 50m
1 stop
LOT Logo
2:35 pm - 8:05 pm
SOF
-
LAX
15h 30m
1 stop
$690LOT
Tue, Aug 11 - Tue, Aug 25
SWISS Logo
7:35 pm - 12:10 pm
LAX
-
SOF
30h 35m
2 stops
SWISS Logo
2:00 pm - 5:35 pm
SOF
-
LAX
36h 35m
2 stops
$693SWISS
Tue, Oct 13 - Tue, Oct 27
Multiple Airlines Logo
5:30 pm - 6:20 pm
LAX
-
SOF
14h 50m
1 stop
Multiple Airlines Logo
6:10 am - 11:54 pm
SOF
-
LAX
27h 44m
2 stops
$710Multiple Airlines
Sun, Nov 8 - Thu, Nov 12
Multiple Airlines Logo
5:30 pm - 6:20 pm
LAX
-
SOF
14h 50m
1 stop
Multiple Airlines Logo
6:10 am - 7:27 pm
SOF
-
LAX
23h 17m
2 stops
$716Multiple Airlines
Wed, Nov 4 - Wed, Nov 18
Austrian Airlines Logo
5:30 pm - 11:55 pm
LAX
-
SOF
20h 25m
2 stops
Austrian Airlines Logo
8:00 am - 1:05 pm
SOF
-
LAX
15h 05m
1 stop
$723Austrian Airlines
Tue, Aug 11 - Tue, Aug 25
Lufthansa Logo
9:40 pm - 10:45 pm
SFO
-
SOF
15h 05m
1 stop
Lufthansa Logo
6:10 am - 12:40 pm
SOF
-
SFO
16h 30m
1 stop
$732Lufthansa
Wed, Nov 4 - Wed, Nov 18
United Airlines Logo
2:00 pm - 11:15 pm
SFO
-
SOF
23h 15m
1 stop
United Airlines Logo
6:10 am - 2:20 pm
SOF
-
SFO
18h 10m
1 stop
$750United Airlines
Tue, Aug 11 - Tue, Aug 25
Lufthansa Logo
5:15 pm - 6:40 pm
SAN
-
SOF
15h 25m
1 stop
Lufthansa Logo
7:25 pm - 3:25 pm
SOF
-
SAN
30h 00m
1 stop
$777Lufthansa
Mon, Aug 24 - Tue, Sep 1
United Airlines Logo
6:28 pm - 11:15 pm
SAN
-
SOF
42h 47m
2 stops
United Airlines Logo
6:10 am - 3:25 pm
SOF
-
SAN
19h 15m
1 stop
$782United Airlines
Sat, Sep 5 - Fri, Oct 2
Austrian Airlines Logo
2:40 pm - 3:15 pm
SFO
-
BOJ
38h 35m
2 stops
Austrian Airlines Logo
1:05 pm - 12:40 pm
BOJ
-
SFO
33h 35m
2 stops
$822Austrian Airlines
Tue, Aug 11 - Tue, Sep 15

SWISS flights from California to Bulgaria

Our best SWISS deals on California to Bulgaria flight tickets
SWISS
Oct 13
LAX7:35 pmLos Angeles
30h 35m
2 stops
SOF12:10 pmSofia
Oct 27
SOF2:00 pmSofia
36h 35m
2 stops
LAX5:35 pmLos Angeles
$693
SWISS
Jul 28
SFO7:35 pmSan Francisco
28h 45m
1 stop
SOF10:20 amSofia
Sep 7
SOF3:40 pmSofia
34h 35m
1 stop
SFO4:15 pmSan Francisco
$829
SWISS
Jul 27
SFO7:35 pmSan Francisco
28h 45m
1 stop
SOF10:20 amSofia
Sep 1
SOF1:05 pmSofia
40h 48m
2 stops
SFO7:53 pmSan Francisco
$839

United Airlines flights from California to Bulgaria

Our best United Airlines deals on California to Bulgaria flight tickets
United Airlines
Sep 1
LAX4:15 pmLos Angeles
21h 00m
2 stops
SOF11:15 pmSofia
Sep 30
SOF6:10 amSofia
19h 05m
1 stop
LAX3:15 pmLos Angeles
$774
United Airlines
Sep 5
SAN6:28 pmSan Diego
42h 47m
2 stops
SOF11:15 pmSofia
Oct 2
SOF6:10 amSofia
19h 15m
1 stop
SAN3:25 pmSan Diego
$782
United Airlines
Sep 5
SAN9:45 pmSan Diego
34h 25m
2 stops
SOF6:10 pmSofia
Oct 2
SOF6:10 amSofia
19h 15m
1 stop
SAN3:25 pmSan Diego
$783

momondo Fare Finder

 
Customize your flight search to find flights from California to Bulgaria 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 May 12, 2026.
Use the filters below to find and compare flights from California to Bulgaria that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Los AngelesSofia

LAX - SOF

LAXSOF

Los Angeles

Tue 8/11

10:05 pm-1:55 am

1 stop17h 50m

Sofia

Tue 8/25

2:35 pm-8:05 pm

1 stop15h 30m

$690

Los AngelesSofia

LAX - SOF

LAXSOF

Los Angeles

Tue 10/13

7:35 pm-12:10 pm

2 stops30h 35m

Sofia

Tue 10/27

2:00 pm-5:35 pm

2 stops36h 35m

$693

Los AngelesSofia

LAX - SOF

LAXSOF

Los Angeles

Sun 11/8

5:30 pm-6:20 pm

1 stop14h 50m

Sofia

Thu 11/12

6:10 am-11:54 pm

2 stops27h 44m

$710

Los AngelesSofia

LAX - SOF

LAXSOF

Los Angeles

Wed 11/4

5:30 pm-6:20 pm

1 stop14h 50m

Sofia

Wed 11/18

6:10 am-7:27 pm

2 stops23h 17m

$716

Los AngelesSofia

LAX - SOF

LAXSOF

Los Angeles

Tue 8/11

5:30 pm-11:55 pm

2 stops20h 25m

Sofia

Tue 8/25

8:00 am-1:05 pm

1 stop15h 05m

$723
Quickest round-trip

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Wed 11/4

9:40 pm-10:45 pm

1 stop15h 05m

Sofia

Wed 11/18

6:10 am-12:40 pm

1 stop16h 30m

$732

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Tue 8/11

2:00 pm-11:15 pm

1 stop23h 15m

Sofia

Tue 8/25

6:10 am-2:20 pm

1 stop18h 10m

$750

San DiegoSofia

SAN - SOF

SANSOF

San Diego

Mon 8/24

5:15 pm-6:40 pm

1 stop15h 25m

Sofia

Tue 9/1

7:25 pm-3:25 pm

1 stop30h 00m

$777

San DiegoSofia

SAN - SOF

SANSOF

San Diego

Sat 9/5

6:28 pm-11:15 pm

2 stops42h 47m

Sofia

Fri 10/2

6:10 am-3:25 pm

1 stop19h 15m

$782

San FranciscoBurgas

SFO - BOJ

SFOBOJ

San Francisco

Tue 8/11

2:40 pm-3:15 pm

2 stops38h 35m

Bourgas

Tue 9/15

1:05 pm-12:40 pm

2 stops33h 35m

$822

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 Bulgaria from

How to get the cheapest flight ticket from California to Bulgaria

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 Bulgaria?

If you aren’t able to travel to Bulgaria during the month of August, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $381.

How far in advance should I book a flight from California to Bulgaria?

You are more likely to see cheaper flights to Bulgaria from California when booking weeks ahead of your departure date. In general, you can expect to find flights to Bulgaria for around $758 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Bulgaria from California for as low as $700 on momondo.

Can stopping save me money on California to Bulgaria flights?

You could potentially save up to 2% on your flight if you consider stops on a California to Bulgaria flight.

Cheap California to Bulgaria flight deals and tips

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

Fastest flight time

14h 00m

Direct flights

None
The fastest flight from California to Bulgaria takes 14h 00m
There are no direct flights from California to Bulgaria. There are no popular flight routes from California to Bulgaria.
Search flight deals

Frequently asked questions about flying from California to Bulgaria

  • When did momondo last update prices for flights from California to Bulgaria?

    Prices for flights from California to Bulgaria are updated daily.

  • How many operators does momondo search for flights from California to Bulgaria?

  • How old do you have to be to fly from California to Bulgaria?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from California to Bulgaria.

  • What documentation or ID do you need to fly to Bulgaria?

    The travel and health documents you'll need for your trip to Bulgaria 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 Bulgaria. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from California to Bulgaria

Compare and see reviews for airlines that fly from California to Bulgaria with momondo
Airline
Rating
Free Cancellation
Price
Turkish AirlinesPriceFrom $391Free CancellationRating
7.4
4,362 reviews
Search Turkish Airlines flights
LufthansaPriceFrom $524Free CancellationRating
6.8
7,993 reviews
Search Lufthansa flights
United AirlinesPriceFrom $527Free CancellationRating
7.4
9,706 reviews
Search United Airlines flights
KLMPriceFrom $547Free CancellationRating
7.8
1,517 reviews
Search KLM flights
British AirwaysPriceFrom $566Free CancellationRating
6.7
7,975 reviews
Search British Airways flights
LOTPriceFrom $591Free CancellationRating
7.5
1,190 reviews
Search LOT flights
Austrian AirlinesPriceFrom $650Free CancellationRating
7.6
915 reviews
Search Austrian Airlines flights
ITA AirwaysPriceFrom $651Free CancellationRating
6.7
1,213 reviews
Search ITA Airways flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from California to Bulgaria for you.

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

Yes. momondo allows you to filter the results for California to Bulgaria flights to just show those with flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Bulgaria from California.

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

If you are not ready to book a flight from California to Bulgaria now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Bulgaria and let you know when they change.

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