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$911+ Cheap flights from Sofia (SOF) to San Jose, CA (SJC)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/22. Fares are subject to change and may not be available on all flights or dates of travel.
SOF — SJC
Feb 7 — Feb 141
Sat 2/7
Sat 2/14
1 adult, Economy
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Cheap flight deals from Sofia to San Jose

Discover tips and strategies to find the most affordable flight options for your journey from Sofia (SOF) to San Jose (SJC). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 8, 2026.

Most accurate provider

Expedia
2 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$911
(KLM)
Provider with most accurate pricing for Sofia-San Jose flight deals.
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Provider most trusted by Cheapflights users for Sofia-San Jose flights.
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From Sofia to San Jose
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Find flight deals from Sofia to San Jose

Cheapest flights from Sofia to San Jose
Explore the most affordable flight options available from Sofia to San Jose. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 8, 2026.

This KLM deal was found by Cheapflights users on 1/6. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/227:00 amSOF - SJC
2 stops24h 20mMultiple Airlines
Mon 1/266:20 amSJC - SOF
2 stops21h 45mMultiple Airlines
Deal found 1/6$911
This United Airlines deal was found by Cheapflights users on 1/6. 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.
Thu 1/226:05 amSOF - SJC
2 stops24h 51mUnited Airlines
Mon 1/268:40 amSJC - SOF
3 stops28h 05mUnited Airlines
Deal found 1/6$1,309

Cheapflights Fare Finder

 
Customize your flight search to find flights from Sofia to San Jose 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 January 8, 2026.
Use the filters below to find and compare flights from Sofia to San Jose that are best for you.

Fly from

Sofia

Fly to

San Jose

Route

Depart

Return

Price

SofiaSan Jose

SOF - SJC

SOFSJC

Sofia

Thu 1/22

7:00 am-9:20 pm

2 stops24h 20m

San Jose

Mon 1/26

6:20 am-2:05 pm

2 stops21h 45m

$911

SofiaSan Jose

SOF - SJC

SOFSJC

Sofia

Thu 1/22

6:05 am-8:56 pm

2 stops24h 51m

San Jose

Mon 1/26

8:40 am-10:45 pm

3 stops28h 05m

$1,309

SofiaSan Jose

SOF - SJC

SOFSJC

Sofia

Thu 4/16

12:55 pm-9:08 pm

2 stops42h 13m

$993

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/5

  • Most accurate provider: When it comes to deals on Sofia-San Jose, California flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on Sofia-San Jose, California flight deals on Cheapflights vs. Expedia 90-95% of the time. Price accuracy is based on data collected from Sofia-San Jose, California flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Sofia-San Jose, California flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Sofia-San Jose, California flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Sofia to San Jose

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

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

Currently, October is the cheapest month in which you can book a flight from Sofia to San Jose, California (average of $492). Flying from Sofia to San Jose, California in August is currently the most expensive (average of $951). 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.

Related info for your journey

Find useful and relevant information for your journey from Sofia to San Jose. 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 Sofia to San Jose, California?

    Airlines like United Airlines fly from Sofia to San Jose, California in about 24h 51m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 6487 mi.

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

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

  • How can I find direct flights from Sofia to San Jose?

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

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

    Yes. Cheapflights offers flight deals from Sofia to San Jose 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 Sofia to San Jose, California?

    Currently, October is the cheapest month in which you can book a flight from Sofia to San Jose, California (average of $492). Flying from Sofia to San Jose, California in August is currently the most expensive (average of $951). 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.

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