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Bulgaria

$239+ 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 9/24. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SOF
Aug 12 — Aug 191
Tue 8/12
Tue 8/19
1 adult, Economy
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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 August 7, 2025.

Round-trip from

$577
(FlightHub)

One-way from

$239
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$803
From California to Bulgaria
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One-way flight from California to Bulgaria
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Highest demand for flights based on searches. 22% potential increase in price ($234 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($43 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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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 August 7, 2025.

This FlightHub deal was found by Cheapflights users on 8/6. 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.
Wed 8/1312:40 pmSFO - SOF
1 stop33h 55mTurkish Airlines
Thu 10/3010:05 amSOF - SFO
1 stop16h 40mTurkish Airlines
Deal found 8/6$587
This oojo deal was found by Cheapflights users on 8/5. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/201:40 pmLAX - VAR
1 stop27h 05mTurkish Airlines
Fri 8/299:35 amVAR - LAX
1 stop36h 10mTurkish Airlines
Deal found 8/5$588
This Ovago deal was found by Cheapflights users on 8/7. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/88:40 pmSFO - SOF
1 stop37h 30mBritish Airways
Mon 12/225:25 pmSOF - SFO
1 stop31h 35mBritish Airways
Deal found 8/7$592
This Orbitz deal was found by Cheapflights users on 8/6. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/47:25 pmSFO - SOF
1 stop33h 50mMultiple Airlines
Tue 11/186:00 amSOF - SFO
2 stops25h 22mMultiple Airlines
Deal found 8/6$598
This oojo deal was found by Cheapflights users on 8/6. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2012:40 pmSFO - SOF
1 stop16h 05mTurkish Airlines
Tue 10/2810:05 amSOF - SFO
1 stop16h 40mTurkish Airlines
Deal found 8/6$599
This United Airlines deal was found by Cheapflights users on 8/6. 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 11/41:30 pmSFO - SOF
1 stop23h 15mUnited Airlines
Tue 11/186:00 amSOF - SFO
2 stops25h 22mUnited Airlines
Deal found 8/6$600
This United Airlines deal was found by Cheapflights users on 8/7. 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 11/45:35 pmSAN - SOF
1 stop14h 45mUnited Airlines
Tue 12/96:00 amSOF - SAN
2 stops39h 38mUnited Airlines
Deal found 8/7$606
This Ovago deal was found by Cheapflights users on 8/6. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/35:00 pmSAN - SOF
2 stops41h 10mBritish Airways
Mon 12/85:25 pmSOF - SAN
1 stop32h 45mBritish Airways
Deal found 8/6$608
This Travelocity deal was found by Cheapflights users on 8/6. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/44:01 pmSAN - SOF
2 stops37h 14mMultiple Airlines
Tue 12/92:20 pmSOF - SAN
2 stops31h 18mMultiple Airlines
Deal found 8/6$609
This Air Canada deal was found by Cheapflights users on 8/7. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/46:10 pmSAN - SOF
2 stops33h 45mAir Canada
Tue 12/96:00 amSOF - SAN
2 stops39h 38mAir Canada
Deal found 8/7$610
This Ovago deal was found by Cheapflights users on 8/6. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/78:40 pmSFO - SOF
1 stop30h 20mBritish Airways
Wed 11/199:00 pmSOF - SFO
1 stop28h 00mBritish Airways
Deal found 8/6$611
This Justfly.com deal was found by Cheapflights users on 8/6. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/79:40 pmSFO - SOF
1 stop15h 05mMultiple Airlines
Fri 11/216:15 amSOF - SFO
2 stops21h 10mMultiple Airlines
Deal found 8/6$613

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 August 7, 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

Tue 8/19

6:45 pm-8:25 pm

1 stop15h 40m

Sofia

Fri 8/29

9:15 pm-4:40 pm

1 stop29h 25m

$587

Los AngelesVarna

LAX - VAR

LAXVAR

Los Angeles

Wed 8/20

1:40 pm-2:45 am

1 stop27h 05m

Varna

Fri 8/29

9:35 am-11:45 am

1 stop36h 10m

$588

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Wed 1/7

6:50 pm-9:15 am

1 stop28h 25m

Sofia

Wed 1/21

4:00 pm-4:45 pm

1 stop34h 45m

$590

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Mon 12/8

8:40 pm-8:10 pm

1 stop37h 30m

Sofia

Mon 12/22

5:25 pm-3:00 pm

1 stop31h 35m

$592

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Tue 2/3

7:25 pm-3:15 pm

1 stop33h 50m

Sofia

Tue 2/17

6:00 am-9:22 pm

2 stops25h 22m

$597

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Tue 11/4

7:25 pm-3:15 pm

1 stop33h 50m

Sofia

Tue 11/18

6:00 am-9:22 pm

2 stops25h 22m

$598

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Wed 8/20

12:40 pm-2:45 pm

1 stop16h 05m

Sofia

Tue 10/28

10:05 am-5:45 pm

1 stop16h 40m

$599

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Tue 11/4

1:30 pm-10:45 pm

1 stop23h 15m

Sofia

Tue 11/18

6:00 am-9:22 pm

2 stops25h 22m

$600

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Tue 2/3

10:46 am-6:20 pm

2 stops21h 34m

Sofia

Tue 2/17

6:00 am-9:22 pm

2 stops25h 22m

$601

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Wed 1/7

8:25 am-6:20 pm

2 stops23h 55m

Sofia

Wed 1/21

6:15 am-5:44 pm

2 stops21h 29m

$602

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/5

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, November is the cheapest month in which you can book a flight from California to Bulgaria (average of $632). Flying from California to Bulgaria in June is currently the most expensive (average of $1,186). 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 August 7, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from California to Bulgaria as you normally would.

Reviews of airlines servicing Bulgaria

Get insights into the airlines that provide service to Bulgaria. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Bulgaria. Reviews last updated August 7, 2025.
Read reviews from past customers who have flown KLM, LOT, and Austrian Airlines from California to Bulgaria. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,382 reviews

Crew

8.4

Entertainment

7.1

Boarding

7.8

Comfort

7.7

Food

7.3

Overall

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
KLM
7.8
Good
1,382 reviews
KLM
7.8
Good
1,382 reviews

Crew

8.4

Entertainment

7.1

Boarding

7.8

Comfort

7.7

Food

7.3

Overall

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
LOT
7.6
Good
1,105 reviews
KLM
7.8
Good
1,382 reviews

Crew

8.4

Entertainment

7.1

Boarding

7.8

Comfort

7.7

Food

7.3

Overall

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Austrian Airlines
7.6
Good
824 reviews
KLM
7.8
Good
1,382 reviews

Crew

8.4

Entertainment

7.1

Boarding

7.8

Comfort

7.7

Food

7.3

Overall

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
SWISS
7.6
Good
1,692 reviews
KLM
7.8
Good
1,382 reviews

Crew

8.4

Entertainment

7.1

Boarding

7.8

Comfort

7.7

Food

7.3

Overall

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Air France
7.4
Good
1,466 reviews
KLM
7.8
Good
1,382 reviews

Crew

8.4

Entertainment

7.1

Boarding

7.8

Comfort

7.7

Food

7.3

Overall

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

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.

  • 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, November is the cheapest month in which you can book a flight from California to Bulgaria (average of $632). Flying from California to Bulgaria in June is currently the most expensive (average of $1,186). 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 August 7, 2025.
AirlineCheapestAverageFlexibilityOn-time
ITA AirwaysCheapest$530Average$1,221FlexibilityNo cancel feeOn-time81%
LOTCheapest$535Average$999FlexibilityNo cancel feeOn-time81%
Turkish AirlinesCheapest$543Average$1,070FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$578Average$752FlexibilityNo cancel feeOn-time70%
KLMCheapest$588Average$820FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$622Average$1,153FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$627Average$1,042FlexibilityNo cancel feeOn-time69%
Austrian AirlinesCheapest$648Average$852FlexibilityNo cancel feeOn-time78%
Aer LingusCheapest$796Average$1,250FlexibilityNo cancel feeOn-timeN/A
SWISSCheapest$819Average$1,165FlexibilityNo cancel feeOn-time79%

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