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Sofia

$277+ Cheap flights from California to Sofia (SOF)

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 7/8. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SOF
Jun 23 — Jun 301
Mon 6/23
Mon 6/30
1 adult, Economy
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Cheap flight deals from California to Sofia

Keep the following information in mind while searching for California to Sofia flight deals. Data was last updated June 18, 2025.

Round-trip from

$620
(United Airlines)

One-way from

$277
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$1,303
From California to Sofia
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One-way flight from California to Sofia
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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 Sofia

Cheapest flights from California to Sofia
Explore the most affordable flight options available from California to Sofia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 18, 2025.

This United Airlines deal was found by Cheapflights users on 6/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/139:05 amSMF - SOF
2 stops27h 55mUnited Airlines
Wed 8/206:15 amSOF - SMF
2 stops37h 36mUnited Airlines
Deal found 6/16$620
This FlightHub deal was found by Cheapflights users on 6/16. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/132:11 pmSMF - SOF
2 stops18h 29mLufthansa
Thu 8/216:00 amSOF - SMF
2 stops21h 29mLufthansa
Deal found 6/16$624
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.
Thu 9/116:45 pmSFO - SOF
1 stop15h 40mTurkish Airlines
Fri 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.
Sun 8/109:05 pmSFO - SOF
1 stop15h 55mUnited Airlines
Sun 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.
Sat 8/91:55 pmSFO - SOF
2 stops35h 20mMultiple Airlines
Sat 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.
Fri 11/147:25 pmSFO - SOF
1 stop28h 50mSWISS
Tue 11/251:55 pmSOF - SFO
2 stops36h 30mSWISS
Deal found 6/17$646
This Justfly.com deal was found by Cheapflights users on 6/16. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/132:11 pmSMF - SOF
2 stops18h 29mMultiple Airlines
Tue 8/1912:45 pmSOF - SMF
2 stops19h 09mMultiple Airlines
Deal found 6/16$652
This Air Canada deal was found by Cheapflights users on 6/16. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/128:30 amSMF - SOF
2 stops17h 30mAir Canada
Tue 8/1912:45 pmSOF - SMF
2 stops19h 09mAir Canada
Deal found 6/16$655
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.
Sat 8/912:08 amLAX - SOF
2 stops25h 07mUnited Airlines
Sun 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.
Sun 8/3110:30 pmLAX - SOF
2 stops28h 30mMultiple Airlines
Mon 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.
Tue 8/55:30 pmLAX - SOF
1 stop15h 10mLufthansa
Sat 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.
Thu 8/147:00 amLAX - SOF
2 stops25h 20mAustrian Airlines
Wed 8/206:55 pmSOF - LAX
2 stops28h 05mAustrian Airlines
Deal found 6/18$662

Cheapflights Fare Finder

Customize your flight search to find flights from California to Sofia 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 June 18, 2025.
Use the filters below to find and compare flights from California to Sofia that are best for you.

Fly from

California

Fly to

Sofia

Route

Depart

Return

Price

SacramentoSofia

SMF - SOF

SMFSOF

Sacramento Intl

Wed 8/13

9:05 am-11:00 pm

2 stops27h 55m

Sofia

Wed 8/20

6:15 am-9:51 am

2 stops37h 36m

$620

SacramentoSofia

SMF - SOF

SMFSOF

Sacramento Intl

Wed 8/13

2:11 pm-6:40 pm

2 stops18h 29m

Sofia

Thu 8/21

6:00 am-5:29 pm

2 stops21h 29m

$624

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Thu 9/11

6:45 pm-8:25 pm

1 stop15h 40m

Sofia

Fri 9/26

9:15 pm-10:35 am

1 stop23h 20m

$637

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Sun 8/10

9:05 pm-11:00 pm

1 stop15h 55m

Sofia

Sun 8/24

8:00 am-11:52 pm

2 stops25h 52m

$639

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Sat 8/9

1:55 pm-11:15 am

2 stops35h 20m

Sofia

Sat 8/23

6:55 pm-12:40 pm

2 stops27h 45m

$642

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Fri 11/14

7:25 pm-6:20 pm

2 stops36h 55m

Sofia

Mon 11/24

3:00 pm-4:25 pm

1 stop35h 25m

$646

SacramentoSofia

SMF - SOF

SMFSOF

Sacramento Intl

Wed 8/13

2:11 pm-6:40 pm

2 stops18h 29m

Sofia

Tue 8/19

12:45 pm-9:54 pm

2 stops19h 09m

$652

SacramentoSofia

SMF - SOF

SMFSOF

Sacramento Intl

Tue 8/12

8:30 am-12:00 pm

2 stops17h 30m

Sofia

Tue 8/19

12:45 pm-9:54 pm

2 stops19h 09m

$655

Los AngelesSofia

LAX - SOF

LAXSOF

Los Angeles

Sat 8/9

12:08 am-11:15 am

2 stops25h 07m

Sofia

Sun 8/24

6:00 am-4:55 pm

2 stops20h 55m

$658

Los AngelesSofia

LAX - SOF

LAXSOF

Los Angeles

Sun 8/31

10:30 pm-1:00 pm

2 stops28h 30m

Sofia

Mon 9/15

3:30 pm-4:30 pm

1 stop35h 00m

$659

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/17

Showing 1-10 of 52 results
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Best time to book a flight from California to Sofia

Have a flexible travel schedule? Discover the best time to fly to Sofia 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 Sofia

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

Currently, November is the cheapest month in which you can book a flight from California to Sofia (average of $632). Flying from California to Sofia 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 SOF?

Find hourly flight availability from California to Sofia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 18, 2025.

When flying from California to Sofia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Sofia by month

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

In terms of precipitation, rainfall in Sofia 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 Sofia when rainfall is around 1.2 in.

Temperature in Sofia by month

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

If weather is an important factor for your trip to Sofia, 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 Sofia

Get insights into the airlines that provide service to Sofia. 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 Sofia. Reviews last updated June 18, 2025.
To help decide which airline to fly from California to Sofia, see what other customers have to say about KLM, LOT and Austrian Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,364 reviews

Comfort

7.7

Boarding

7.8

Food

7.2

Crew

8.4

Overall

7.8

Entertainment

7.1

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

Comfort

7.7

Boarding

7.8

Food

7.2

Crew

8.4

Overall

7.8

Entertainment

7.1

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

Comfort

7.7

Boarding

7.8

Food

7.2

Crew

8.4

Overall

7.8

Entertainment

7.1

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

Comfort

7.7

Boarding

7.8

Food

7.2

Crew

8.4

Overall

7.8

Entertainment

7.1

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

Comfort

7.7

Boarding

7.8

Food

7.2

Crew

8.4

Overall

7.8

Entertainment

7.1

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

Comfort

7.7

Boarding

7.8

Food

7.2

Crew

8.4

Overall

7.8

Entertainment

7.1

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 Sofia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Sofia from California?

    Most people fly into Sofia (SOF) if they book a flight to Sofia from California. Sofia is conveniently located just 4.2 mi from Sofia’s city center.

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

    The cheapest airlines for a one-way flight from California to Sofia are Lufthansa ($453), SWISS ($463), and United Airlines ($475).

  • What are the most popular routes from California to Sofia?

    Most travelers choose San Francisco - Sofia, Los Angeles - Sofia or San Diego - Sofia when deciding on the best route from California to Sofia.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from California to Sofia 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 Sofia?

    Currently, November is the cheapest month in which you can book a flight from California to Sofia (average of $632). Flying from California to Sofia 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 Sofia

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Top 9 airlines flying from California to Sofia

Discover the top 9 airlines that operate flights from California to Sofia. 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 June 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$700FlexibilityNo cancel feeOn-time77%
KLMCheapest$588Average$820FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$604Average$1,147FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$627Average$1,046FlexibilityNo cancel feeOn-time69%
Austrian AirlinesCheapest$651Average$922FlexibilityNo cancel feeOn-time78%
Air CanadaCheapest$842Average$1,133FlexibilityNo cancel feeOn-time67%

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