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Cheap flights from California to Bulgaria from $360

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 7/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from California to Bulgaria

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
8:00 am - 10:45 pm
SNA
-
SOF
28h 45m
2 stops
United Airlines Logo
2:05 pm - 9:15 am
SOF
-
SNA
29h 10m
3 stops
$750United Airlines
א', דצמ' 6 - ד', דצמ' 9
Multiple Airlines Logo
3:05 pm - 12:45 pm
LAX
-
VAR
35h 40m
1 stop
Multiple Airlines Logo
4:00 pm - 1:10 pm
VAR
-
LAX
31h 10m
2 stops
$791Multiple Airlines
ב', אוג' 10 - ג', אוג' 18
Multiple Airlines Logo
7:00 am - 6:40 pm
SAN
-
SOF
25h 40m
2 stops
Multiple Airlines Logo
7:25 pm - 3:25 pm
SOF
-
SAN
30h 00m
1 stop
$805Multiple Airlines
א', אוג' 9 - ב', אוג' 24
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
$810Lufthansa
א', אוג' 9 - ב', אוג' 24
Lufthansa Logo
5:15 pm - 6:40 pm
SAN
-
SOF
15h 25m
1 stop
Lufthansa Logo
6:10 am - 3:25 pm
SOF
-
SAN
19h 15m
1 stop
$817Lufthansa
ד', אוג' 12 - ד', ספט' 16
Air Canada Logo
8:10 am - 6:40 pm
SFO
-
SOF
24h 30m
2 stops
Air Canada Logo
6:20 am - 7:49 pm
SOF
-
SFO
23h 29m
2 stops
$827Air Canada
ג', אוג' 25 - ד', ספט' 16
KLM Logo
10:45 pm - 2:05 pm
SFO
-
SOF
29h 20m
2 stops
KLM Logo
7:00 am - 11:01 pm
SOF
-
SFO
26h 01m
2 stops
$830KLM
ד', דצמ' 23 - ד', ינו' 6
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
$877Austrian Airlines
ג', אוג' 11 - ג', ספט' 15
Air Canada Logo
10:30 pm - 6:40 pm
LAX
-
SOF
34h 10m
2 stops
Air Canada Logo
6:20 am - 11:20 am
SOF
-
LAX
39h 00m
2 stops
$881Air Canada
ש', ספט' 5 - א', אוק' 4
Austrian Airlines Logo
9:10 pm - 12:45 pm
LAS
-
VAR
29h 35m
2 stops
Austrian Airlines Logo
4:00 pm - 4:20 pm
VAR
-
LAS
58h 20m
2 stops
$1,046Austrian Airlines
ש', אוג' 15 - ב', ספט' 14

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United Airlines flights from California to Bulgaria

Our best United Airlines deals on California to Bulgaria flight tickets
United Airlines
Dec 6
SNA4:10 pmSanta Ana J. Wayne/Orange Cnty
20h 35m
2 stops
SOF10:45 pmSofia
Dec 9
SOF2:05 pmSofia
29h 10m
3 stops
SNA9:15 amSanta Ana J. Wayne/Orange Cnty
$750
United Airlines
Sep 7
SFO2:00 pmSan Francisco
23h 15m
1 stop
SOF11:15 pmSofia
Sep 25
SOF6:20 amSofia
19h 00m
1 stop
SFO3:20 pmSan Francisco
$823
United Airlines
Sep 9
SFO2:20 pmSan Francisco
18h 20m
2 stops
SOF6:40 pmSofia
Sep 23
SOF6:20 amSofia
19h 01m
2 stops
SFO3:21 pmSan Francisco
$828

KLM flights from California to Bulgaria

Our best KLM deals on California to Bulgaria flight tickets
KLM
Dec 23
SFO10:45 pmSan Francisco
29h 20m
2 stops
SOF2:05 pmSofia
Jan 6
SOF7:00 amSofia
26h 01m
2 stops
SFO11:01 pmSan Francisco
$830
KLM
Sep 8
SFO9:30 amSan Francisco
18h 30m
2 stops
SOF2:00 pmSofia
Sep 24
SOF7:00 amSofia
19h 58m
2 stops
SFO4:58 pmSan Francisco
$839
KLM
Nov 5
SFO10:00 amSan Francisco
18h 05m
2 stops
SOF2:05 pmSofia
Nov 9
SOF7:00 amSofia
23h 22m
2 stops
SFO8:22 pmSan Francisco
$863

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 יוני 29, 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

Santa AnaSofia

SNA - SOF

SNASOF

Santa Ana J. Wayne/Orange Cnty

א' 12/6

8:00 am-10:45 pm

2 stops28h 45m

Sofia

ד' 12/9

2:05 pm-9:15 am

3 stops29h 10m

$750

Los AngelesVarna

LAX - VAR

LAXVAR

Los Angeles Los Angeles

ב' 8/10

3:05 pm-12:45 pm

1 stop35h 40m

Varna

ג' 8/18

4:00 pm-1:10 pm

2 stops31h 10m

$791

San DiegoSofia

SAN - SOF

SANSOF

San Diego

א' 8/9

7:00 am-6:40 pm

2 stops25h 40m

Sofia

ב' 8/24

7:25 pm-3:25 pm

1 stop30h 00m

$805

San DiegoSofia

SAN - SOF

SANSOF

San Diego

א' 8/9

5:15 pm-6:40 pm

1 stop15h 25m

Sofia

ב' 8/24

7:25 pm-3:25 pm

1 stop30h 00m

$810
Quickest round-trip

San DiegoSofia

SAN - SOF

SANSOF

San Diego

ד' 8/12

5:15 pm-6:40 pm

1 stop15h 25m

Sofia

ד' 9/16

6:10 am-3:25 pm

1 stop19h 15m

$817

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

ג' 8/25

8:10 am-6:40 pm

2 stops24h 30m

Sofia

ד' 9/16

6:20 am-7:49 pm

2 stops23h 29m

$827

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

ד' 12/23

10:45 pm-2:05 pm

2 stops29h 20m

Sofia

ד' 1/6

7:00 am-11:01 pm

2 stops26h 01m

$830

San FranciscoBurgas

SFO - BOJ

SFOBOJ

San Francisco

ג' 8/11

2:40 pm-3:15 pm

2 stops38h 35m

Bourgas

ג' 9/15

1:05 pm-12:40 pm

2 stops33h 35m

$877

Los AngelesSofia

LAX - SOF

LAXSOF

Los Angeles Los Angeles

ש' 9/5

10:30 pm-6:40 pm

2 stops34h 10m

Sofia

א' 10/4

6:20 am-11:20 am

2 stops39h 00m

$881

Las VegasVarna

LAS - VAR

LASVAR

Las Vegas Harry Reid Intl

ש' 8/15

9:10 pm-12:45 pm

2 stops29h 35m

Varna

ב' 9/14

4:00 pm-4:20 pm

2 stops58h 20m

$1,046

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 May, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $415.

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 $770 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 $703 on momondo.

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 10m

Direct flights

None
The fastest flight from California to Bulgaria takes 14h 10m
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
4,427 reviews
Search Turkish Airlines flights
LufthansaPriceFrom $523Free CancellationRating
6.8
8,108 reviews
Search Lufthansa flights
United AirlinesPriceFrom $527Free CancellationRating
7.4
9,896 reviews
Search United Airlines flights
British AirwaysPriceFrom $543Free CancellationRating
6.7
8,080 reviews
Search British Airways flights
KLMPriceFrom $547Free CancellationRating
7.8
1,531 reviews
Search KLM flights
LOTPriceFrom $591Free CancellationRating
7.5
1,208 reviews
Search LOT flights
Austrian AirlinesPriceFrom $650Free CancellationRating
7.6
937 reviews
Search Austrian Airlines 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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1 adult
ד' 7/29
ד' 8/5
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