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$288+ Cheap flights from California to Bulgaria

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/30. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SOF
Jan 2 — Jan 91
Fri 1/2
Fri 1/9
1 adult, Economy
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Cheap flight deals from California to Bulgaria

Cheapest flights from California to Bulgaria
Explore the most affordable flight options available from California to Bulgaria. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 3, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/313:00 pmLAX - SOF
1 stop21h 45mLufthansa
Fri 1/306:10 amSOF - LAX
1 stop16h 55mLufthansa
Deal found 12/3$472
This Gotogate deal was found by Cheapflights users on 12/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/307:10 pmLAX - SOF
1 stop34h 05mMultiple Airlines
Fri 1/306:10 amSOF - LAX
2 stops24h 58mMultiple Airlines
Deal found 12/3$478
This KAYAK deal was found by Cheapflights users on 12/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/306:00 pmLAX - SOF
1 stop16h 10mBritish Airways
Wed 1/289:00 pmSOF - LAX
1 stop26h 30mBritish Airways
Deal found 12/3$492
This United Airlines deal was found by Cheapflights users on 12/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/285:30 pmLAX - SOF
1 stop19h 15mUnited Airlines
Fri 1/306:10 amSOF - LAX
1 stop16h 55mUnited Airlines
Deal found 12/3$498
This SWISS deal was found by Cheapflights users on 12/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/307:10 pmLAX - SOF
1 stop34h 05mSWISS
Thu 1/294:00 pmSOF - LAX
1 stop34h 35mSWISS
Deal found 12/3$504
This United Airlines deal was found by Cheapflights users on 12/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/285:30 pmLAX - SOF
1 stop19h 15mUnited Airlines
Wed 1/286:10 amSOF - LAX
2 stops18h 46mUnited Airlines
Deal found 12/3$508
This FlightHub deal was found by Cheapflights users on 12/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/86:25 pmLAS - SOF
2 stops18h 20mLufthansa
Mon 1/121:45 pmSOF - LAS
2 stops38h 45mLufthansa
Deal found 12/1$511
This United Airlines deal was found by Cheapflights users on 12/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/313:00 pmLAX - SOF
1 stop21h 45mUnited Airlines
Fri 1/306:10 amSOF - LAX
1 stop16h 55mUnited Airlines
Deal found 12/3$511
This Lufthansa deal was found by Cheapflights users on 12/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/313:00 pmLAX - SOF
1 stop21h 45mLufthansa
Thu 1/296:05 amSOF - LAX
1 stop19h 10mLufthansa
Deal found 12/3$513
This KLM deal was found by Cheapflights users on 12/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/108:54 amLAX - SOF
2 stops19h 11mMultiple Airlines
Fri 1/307:00 amSOF - LAX
1 stop19h 05mMultiple Airlines
Deal found 12/3$515
This United Airlines deal was found by Cheapflights users on 12/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3010:27 pmLAX - SOF
2 stops29h 23mUnited Airlines
Tue 1/276:00 amSOF - LAX
1 stop17h 05mUnited Airlines
Deal found 12/3$516
This FlightHub deal was found by Cheapflights users on 11/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/710:35 amSMF - SOF
2 stops26h 10mLufthansa
Sun 2/156:10 amSOF - SMF
2 stops23h 31mLufthansa
Deal found 11/30$546

Find flight deals from California to Bulgaria

Keep the following information in mind while searching for California to Bulgaria flight deals. Data was last updated December 3, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$437
(Kiwi.com)

One-way from

$288
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$807
Provider with most accurate pricing for Los Angeles-Sofia flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles-Sofia flights.
Search Deals
From California to Bulgaria
Search Deals
One-way flight from California to Bulgaria
Search Deals
Highest demand for flights based on searches. 24% potential increase in price ($262 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($47 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated December 3, 2025.
Use the filters below to find and compare flights from California to Bulgaria that are best for you.

Fly from

California

Fly to

Bulgaria

Route

Depart

Return

Price

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Wed 1/21

5:25 pm-10:45 pm

2 stops19h 20m

Sofia

Wed 2/4

2:00 pm-7:35 pm

1 stop15h 35m

$439

Los AngelesSofia

LAX - SOF

LAXSOF

Los Angeles

Tue 1/13

5:30 pm-10:45 pm

1 stop19h 15m

Sofia

Wed 1/28

6:10 am-2:56 pm

2 stops18h 46m

$444

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Mon 1/26

9:25 pm-10:45 pm

1 stop15h 20m

Sofia

Mon 2/9

7:05 pm-2:50 pm

1 stop29h 45m

$451

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Wed 1/21

9:25 pm-10:45 pm

1 stop15h 20m

Sofia

Wed 2/4

6:10 am-9:22 pm

2 stops25h 12m

$458

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Tue 3/3

7:30 am-6:20 pm

2 stops24h 50m

Sofia

Tue 3/17

6:00 am-1:40 pm

1 stop16h 40m

$458

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Mon 3/2

8:40 pm-8:10 pm

1 stop37h 30m

Sofia

Mon 3/16

5:25 pm-4:00 pm

1 stop31h 35m

$460

Los AngelesSofia

LAX - SOF

LAXSOF

Los Angeles

Tue 1/13

5:30 pm-6:20 pm

1 stop14h 50m

Sofia

Wed 1/28

6:10 am-9:08 pm

2 stops24h 58m

$475

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Mon 3/2

7:25 pm-1:15 pm

2 stops31h 50m

Sofia

Mon 3/16

3:00 pm-5:30 pm

1 stop35h 30m

$478

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Sun 1/25

1:30 pm-6:20 pm

1 stop18h 50m

Sofia

Sun 2/8

2:25 pm-8:10 pm

1 stop15h 45m

$482

San JoseSofia

SJC - SOF

SJCSOF

San Jose

Wed 3/11

8:45 am-10:45 pm

2 stops29h 00m

Sofia

Wed 3/25

6:10 am-10:59 pm

2 stops25h 49m

$490

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/2

Showing 1-10 of 60 results
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Best time to book a flight from California to Bulgaria

Have a flexible travel schedule? Discover the best time to fly to Bulgaria from California with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from California to Bulgaria

What is the cheapest month to book a flight from California to Bulgaria?

Currently, August is the cheapest month in which you can book a flight from California to Bulgaria (average of $439). Flying from California to Bulgaria in June is currently the most expensive (average of $811). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from CA to BG?

Find hourly flight availability from California to Bulgaria. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 3, 2025.

One of the essential ways to save on airfare from California to Bulgaria is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the morning could potentially save you up to 14% on airfare.

What is the cheapest day to fly from California to Bulgaria?

Use this chart to determine the cheapest time to fly round-trip from California to Bulgaria. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their California to Bulgaria flight should consider departing on Monday at noon when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Related info for your journey

Find useful and relevant information for your journey from California to Bulgaria. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from California to Bulgaria?

    For as low as $439, Lufthansa can have you in Bulgaria from California in 19h 20m. California and Bulgaria are separated by a distance of 6481 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from California to Bulgaria one-way?

    The cheapest airlines for a one-way flight from California to Bulgaria are Lufthansa ($339), Austrian Airlines ($461), and KLM ($461).

  • Can I find deals for flights from California to Bulgaria that include hotel bookings?

    Yes. In addition to deals on California to Bulgaria flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from California to Bulgaria?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from California to Bulgaria.

  • Can I find deals for business class flights from California to Bulgaria?

    Yes. Cheapflights offers flight deals from California to Bulgaria by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from California to Bulgaria?

    Currently, August is the cheapest month in which you can book a flight from California to Bulgaria (average of $439). Flying from California to Bulgaria in June is currently the most expensive (average of $811). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for California to Bulgaria

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from California to Bulgaria

Discover the top 10 airlines that operate flights from California to Bulgaria. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
ITA AirwaysCheapest$530Average$1,221FlexibilityNo cancel feeOn-time81%
LOTCheapest$535Average$931FlexibilityNo cancel feeOn-time81%
LufthansaCheapest$538Average$1,084FlexibilityNo cancel feeOn-time76%
Turkish AirlinesCheapest$542Average$1,076FlexibilityNo cancel feeOn-time77%
KLMCheapest$588Average$793FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$598Average$1,024FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$641Average$964FlexibilityNo cancel feeOn-time70%
Austrian AirlinesCheapest$656Average$855FlexibilityNo cancel feeOn-time78%
Aer LingusCheapest$796Average$1,173FlexibilityNo cancel feeOn-timeN/A
SWISSCheapest$819Average$1,165FlexibilityNo cancel feeOn-time79%

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