Bulgaria

$263+ 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 11/15. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SOF
Nov 15 — Nov 221
We work with more than 300 partners to bring you better travel deals

Find cheap flights from California to Bulgaria with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Find 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 October 16, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/16. 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.
Mon 12/89:40 pmSFO - SOF
1 stop15h 05mLufthansa
Mon 12/226:05 amSOF - SFO
1 stop23h 30mLufthansa
Deal found 10/16$485
This Kiwi.com deal was found by Cheapflights users on 10/15. 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.
Fri 11/145:35 pmSAN - SOF
1 stop14h 45mLufthansa
Fri 11/216:05 amSOF - SAN
1 stop19h 40mLufthansa
Deal found 10/15$486
This Kiwi.com deal was found by Cheapflights users on 10/16. 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.
Thu 11/135:30 pmLAX - SOF
1 stop19h 15mLufthansa
Wed 11/266:10 amSOF - LAX
1 stop16h 55mLufthansa
Deal found 10/16$489
This Kiwi.com deal was found by Cheapflights users on 10/14. 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.
Sun 11/304:25 pmLAS - SOF
1 stop20h 20mLufthansa
Sun 12/146:10 amSOF - LAS
2 stops22h 14mLufthansa
Deal found 10/14$492
This Flightnetwork deal was found by Cheapflights users on 10/16. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/138:30 amLAX - SOF
2 stops19h 20mAir Canada
Wed 11/266:10 amSOF - LAX
2 stops26h 05mAir Canada
Deal found 10/16$496
This Mytrip deal was found by Cheapflights users on 10/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/128:30 amLAX - SOF
2 stops18h 45mMultiple Airlines
Fri 11/216:10 amSOF - LAX
2 stops26h 05mMultiple Airlines
Deal found 10/14$498
This Mytrip deal was found by Cheapflights users on 10/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/88:25 amSFO - SOF
2 stops23h 55mMultiple Airlines
Mon 12/226:05 amSOF - SFO
1 stop23h 30mMultiple Airlines
Deal found 10/16$501
This CrystalTravel deal was found by Cheapflights users on 10/16. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/135:30 pmLAX - SOF
1 stop19h 15mLufthansa
Thu 11/206:00 amSOF - LAX
1 stop17h 05mLufthansa
Deal found 10/16$502
This Mytrip deal was found by Cheapflights users on 10/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/135:30 pmLAX - SOF
1 stop19h 15mMultiple Airlines
Thu 11/206:00 amSOF - LAX
2 stops26h 15mMultiple Airlines
Deal found 10/16$504
This Flightnetwork deal was found by Cheapflights users on 10/16. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/138:30 amLAX - SOF
2 stops19h 20mMultiple Airlines
Wed 11/266:10 amSOF - LAX
1 stop16h 55mMultiple Airlines
Deal found 10/16$509
This KAYAK deal was found by Cheapflights users on 10/15. 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.
Thu 11/278:55 pmLAS - SOF
1 stop28h 20mBritish Airways
Wed 12/39:00 pmSOF - LAS
1 stop31h 50mBritish Airways
Deal found 10/15$518
This FlightHub deal was found by Cheapflights users on 10/14. 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.
Thu 11/139:40 pmSFO - SOF
1 stop15h 05mLufthansa
Sun 11/236:10 amSOF - SFO
1 stop16h 30mLufthansa
Deal found 10/14$521

Cheap flight deals from California to Bulgaria

Keep the following information in mind while searching for California to Bulgaria flight deals. Data was last updated October 16, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$485
(Kiwi.com)

One-way from

$263
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$679
Provider with most accurate pricing for Los Angeles-Sofia flight deals.
Provider most trusted by Cheapflights users for Los Angeles-Sofia flights.
From California to Bulgaria
One-way flight from California to Bulgaria
Highest demand for flights based on searches. 23% potential increase in price ($248 potential increase over avg. RT price).
Cheapest flight prices on average. 5% potential price decrease ($46 potential savings vs. average RT price).
Average for round-trip flights in October 2025

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 October 16, 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

Mon 12/8

9:40 pm-10:45 pm

1 stop15h 05m

Sofia

Mon 12/22

6:05 am-7:35 pm

1 stop23h 30m

$485

San DiegoSofia

SAN - SOF

SANSOF

San Diego

Fri 11/14

5:35 pm-6:20 pm

1 stop14h 45m

Sofia

Fri 11/21

6:05 am-3:45 pm

1 stop19h 40m

$486

Los AngelesSofia

LAX - SOF

LAXSOF

Los Angeles

Fri 2/13

5:30 pm-10:45 pm

1 stop19h 15m

Sofia

Sun 2/22

6:10 am-1:05 pm

1 stop16h 55m

$502

Los AngelesSofia

LAX - SOF

LAXSOF

Los Angeles

Thu 11/13

5:30 pm-10:45 pm

1 stop19h 15m

Sofia

Wed 11/26

6:10 am-10:15 pm

2 stops26h 05m

$503

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Thu 11/13

9:40 pm-10:45 pm

1 stop15h 05m

Sofia

Sun 11/23

6:10 am-12:40 pm

1 stop16h 30m

$521

Los AngelesSofia

LAX - SOF

LAXSOF

Los Angeles

Fri 11/28

5:30 pm-10:45 pm

1 stop19h 15m

Sofia

Fri 12/12

6:10 am-1:05 pm

1 stop16h 55m

$521

Los AngelesSofia

LAX - SOF

LAXSOF

Los Angeles

Thu 11/13

8:30 am-11:50 am

2 stops17h 20m

Sofia

Thu 11/20

6:00 am-10:15 pm

2 stops26h 15m

$523

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Wed 1/7

9:40 pm-10:45 pm

1 stop15h 05m

Sofia

Sat 1/17

2:00 pm-7:35 pm

1 stop15h 35m

$523

Los AngelesSofia

LAX - SOF

LAXSOF

Los Angeles

Sat 1/17

5:30 pm-10:45 pm

1 stop19h 15m

Sofia

Sat 1/31

6:25 am-1:05 pm

1 stop16h 40m

$523

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Sat 1/17

7:25 pm-2:15 pm

1 stop32h 50m

Sofia

Sat 1/31

6:25 am-12:40 pm

1 stop16h 15m

$525

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/14

Showing 1-10 of 60 results
1
2
3
...
6

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 $827). 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 October 16, 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 12% 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 November 18, 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 $485, Lufthansa can have you in Bulgaria from California in 15h 05m. California and Bulgaria are separated by a distance of 6481 mi. This flight may include one or multiple stops.

  • 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 $827). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for California to Bulgaria

See prices for flight routes from nearby airports that may be better suited for you.

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 October 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
ITA AirwaysCheapest$530Average$1,221FlexibilityNo cancel feeOn-time81%
LOTCheapest$535Average$966FlexibilityNo cancel feeOn-time81%
Turkish AirlinesCheapest$543Average$1,080FlexibilityNo cancel feeOn-time77%
KLMCheapest$588Average$793FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$611Average$1,111FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$627Average$1,022FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$641Average$978FlexibilityNo cancel feeOn-time70%
Austrian AirlinesCheapest$654Average$863FlexibilityNo cancel feeOn-time78%
Aer LingusCheapest$796Average$1,173FlexibilityNo cancel feeOn-timeN/A
SWISSCheapest$819Average$1,165FlexibilityNo cancel feeOn-time79%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.