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$271+ 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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SOF
jun. 23 — jun. 301
lun. 6/23
lun. 6/30
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 junio 18, 2025.

Round-trip from

$637
(CrystalTravel)

One-way from

$271
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$1,303
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 ($244 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 June 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 junio 18, 2025.

This CrystalTravel deal was found by Cheapflights users on 6/18. 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.
jue. 9/116:45 pmSFO - SOF
1 stop15h 40mTurkish Airlines
vie. 9/269:15 pmSOF - SFO
1 stop23h 20mTurkish Airlines
Deal found 6/18$637
This United Airlines deal was found by Cheapflights users on 6/18. 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.
dom. 8/109:05 pmSFO - SOF
1 stop15h 55mUnited Airlines
dom. 8/248:00 amSOF - SFO
2 stops25h 52mUnited Airlines
Deal found 6/18$639
This Gotogate deal was found by Cheapflights users on 6/17. 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.
sáb. 8/91:55 pmSFO - SOF
2 stops35h 20mMultiple Airlines
sáb. 8/236:55 pmSOF - SFO
2 stops27h 45mMultiple Airlines
Deal found 6/17$642
This SWISS deal was found by Cheapflights users on 6/17. 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.
vie. 11/147:25 pmSFO - SOF
1 stop28h 50mSWISS
mar. 11/251:55 pmSOF - SFO
2 stops36h 30mSWISS
Deal found 6/17$646
This United Airlines deal was found by Cheapflights users on 6/18. 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.
sáb. 8/912:08 amLAX - SOF
2 stops25h 07mUnited Airlines
dom. 8/246:00 amSOF - LAX
2 stops20h 55mUnited Airlines
Deal found 6/18$658
This Gotogate deal was found by Cheapflights users on 6/15. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/3110:30 pmLAX - SOF
2 stops28h 30mMultiple Airlines
lun. 9/153:30 pmSOF - LAX
1 stop35h 00mMultiple Airlines
Deal found 6/15$659
This CrystalTravel deal was found by Cheapflights users on 6/18. 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.
mar. 8/55:30 pmLAX - SOF
1 stop15h 10mLufthansa
sáb. 9/66:00 amSOF - LAX
2 stops20h 55mLufthansa
Deal found 6/18$660
This Cheapflightsfares deal was found by Cheapflights users on 6/18. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/147:00 amLAX - SOF
2 stops25h 20mAustrian Airlines
mié. 8/206:55 pmSOF - LAX
2 stops28h 05mAustrian Airlines
Deal found 6/18$662
This Air Canada deal was found by Cheapflights users on 6/17. 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.
jue. 12/48:45 amLAX - SOF
2 stops19h 10mAir Canada
sáb. 12/136:15 amSOF - LAX
2 stops23h 02mAir Canada
Deal found 6/17$664
This Gotogate deal was found by Cheapflights users on 6/18. 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.
mar. 8/123:05 pmLAX - VAR
1 stop35h 40mAustrian Airlines
mié. 8/271:35 pmVAR - LAX
1 stop33h 30mAustrian Airlines
Deal found 6/18$666
This FlightHub deal was found by Cheapflights users on 6/17. 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.
mié. 9/1012:10 amLAX - VAR
1 stop22h 35mTurkish Airlines
mié. 10/19:35 amVAR - LAX
1 stop22h 50mTurkish Airlines
Deal found 6/17$667
This FlightHub deal was found by Cheapflights users on 6/18. 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.
mié. 8/1312:10 amLAX - SOF
1 stop34h 15mTurkish Airlines
mié. 8/203:35 pmSOF - LAX
1 stop36h 25mTurkish Airlines
Deal found 6/18$669

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 junio 18, 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

jue. 9/11

6:45 pm-8:25 pm

1 stop15h 40m

Sofia

vie. 9/26

9:15 pm-10:35 am

1 stop23h 20m

$637

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

dom. 8/10

9:05 pm-11:00 pm

1 stop15h 55m

Sofia

dom. 8/24

8:00 am-11:52 pm

2 stops25h 52m

$639

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

sáb. 8/9

1:55 pm-11:15 am

2 stops35h 20m

Sofia

sáb. 8/23

6:55 pm-12:40 pm

2 stops27h 45m

$642

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

vie. 11/14

7:25 pm-6:20 pm

2 stops36h 55m

Sofia

lun. 11/24

3:00 pm-4:25 pm

1 stop35h 25m

$646

Los AngelesSofia

LAX - SOF

LAXSOF

Los Angeles

sáb. 8/9

12:08 am-11:15 am

2 stops25h 07m

Sofia

dom. 8/24

6:00 am-4:55 pm

2 stops20h 55m

$658

Los AngelesSofia

LAX - SOF

LAXSOF

Los Angeles

dom. 8/31

10:30 pm-1:00 pm

2 stops28h 30m

Sofia

lun. 9/15

3:30 pm-4:30 pm

1 stop35h 00m

$659

Los AngelesSofia

LAX - SOF

LAXSOF

Los Angeles

mar. 8/5

5:30 pm-6:40 pm

1 stop15h 10m

Sofia

sáb. 9/6

6:00 am-4:55 pm

2 stops20h 55m

$660

Los AngelesSofia

LAX - SOF

LAXSOF

Los Angeles

jue. 8/14

7:00 am-6:20 pm

2 stops25h 20m

Sofia

mié. 8/20

6:55 pm-1:00 pm

2 stops28h 05m

$662

Los AngelesSofia

LAX - SOF

LAXSOF

Los Angeles

jue. 12/4

8:45 am-1:55 pm

2 stops19h 10m

Sofia

sáb. 12/13

6:15 am-7:17 pm

2 stops23h 02m

$664

Los AngelesVarna

LAX - VAR

LAXVAR

Los Angeles

mar. 8/12

3:05 pm-12:45 pm

1 stop35h 40m

Varna

mié. 8/27

1:35 pm-1:05 pm

1 stop33h 30m

$666

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/17

Showing 1-10 of 53 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 $1,201). 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 junio 18, 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.

Rainfall in Bulgaria by month

Plan your trip to Bulgaria by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Bulgaria ranges from 1.2 - 2.8 inches per month. June is typically the wettest month, when rainfall can reach 2.8 in. January is typically the driest time to visit Bulgaria when rainfall is around 1.2 in.

Temperature in Bulgaria by month

Plan your trip to Bulgaria by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Bulgaria, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

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 junio 18, 2025.
To help decide which airline to fly from California to Bulgaria, see what other customers have to say about KLM, LOT and Austrian Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,364 reviews

Entertainment

7.1

Comfort

7.7

Food

7.2

Boarding

7.8

Crew

8.4

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
1,364 reviews
KLM
7.8
Good
1,364 reviews

Entertainment

7.1

Comfort

7.7

Food

7.2

Boarding

7.8

Crew

8.4

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
1,081 reviews
KLM
7.8
Good
1,364 reviews

Entertainment

7.1

Comfort

7.7

Food

7.2

Boarding

7.8

Crew

8.4

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
804 reviews
KLM
7.8
Good
1,364 reviews

Entertainment

7.1

Comfort

7.7

Food

7.2

Boarding

7.8

Crew

8.4

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
7.5
Good
1,467 reviews
KLM
7.8
Good
1,364 reviews

Entertainment

7.1

Comfort

7.7

Food

7.2

Boarding

7.8

Crew

8.4

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
7.5
Good
1,632 reviews
KLM
7.8
Good
1,364 reviews

Entertainment

7.1

Comfort

7.7

Food

7.2

Boarding

7.8

Crew

8.4

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.

  • 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 ($453), SWISS ($463), and Austrian Airlines ($469).

  • 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 $1,201). 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 junio 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
ITA AirwaysCheapest$530Average$1,221FlexibilityNo cancel feeOn-time81%
LOTCheapest$571Average$983FlexibilityNo cancel feeOn-time81%
British AirwaysCheapest$578Average$836FlexibilityNo cancel feeOn-time70%
Turkish AirlinesCheapest$582Average$1,073FlexibilityNo cancel feeOn-time77%
KLMCheapest$588Average$820FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$604Average$1,163FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$627Average$1,046FlexibilityNo cancel feeOn-time69%
Austrian AirlinesCheapest$651Average$842FlexibilityNo cancel feeOn-time78%
Aer LingusCheapest$796Average$1,250FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$842Average$1,133FlexibilityNo cancel feeOn-time67%

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