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$304+ Cheap flights from San Diego (SAN) 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 1/10. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — SOF
Nov 28 — Dec 51
Fri 11/28
Fri 12/5
1 adult, Economy
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Cheap flight deals from San Diego to Sofia

Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) to Sofia (SOF). 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 October 29, 2025.

Most accurate provider

OneTravel
3 stars

Most trusted provider

OneTravel
3 stars

Round-trip from

$474
(Kiwi.com)

One-way from

$304
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$653
Provider with most accurate pricing for San Diego-Sofia flight deals.
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Provider most trusted by Cheapflights users for San Diego-Sofia flights.
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From San Diego to Sofia
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One-way flight from San Diego to Sofia
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Highest demand for flights based on searches. 12% potential increase in price ($141 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($35 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from San Diego to Sofia

Cheapest flights from San Diego to Sofia
Explore the most affordable flight options available from San Diego to Sofia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 29, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/29. 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 11/2711:02 amSAN - SOF
2 stops25h 43mLufthansa
Wed 12/106:05 amSOF - SAN
1 stop19h 40mLufthansa
Deal found 10/29$474
This Mytrip deal was found by Cheapflights users on 10/29. 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 11/275:35 pmSAN - SOF
1 stop19h 10mMultiple Airlines
Wed 12/106:10 amSOF - SAN
2 stops39h 43mMultiple Airlines
Deal found 10/29$511
This United Airlines deal was found by Cheapflights users on 10/29. 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 11/279:54 amSAN - SOF
2 stops26h 51mUnited Airlines
Wed 12/106:05 amSOF - SAN
1 stop19h 40mUnited Airlines
Deal found 10/29$530
This KLM deal was found by Cheapflights users on 10/29. 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 11/277:50 amSAN - SOF
2 stops20h 15mKLM
Wed 12/107:00 amSOF - SAN
2 stops23h 42mKLM
Deal found 10/29$541

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Diego 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 October 29, 2025.
Use the filters below to find and compare flights from San Diego to Sofia that are best for you.

Fly from

San Diego

Fly to

Sofia

Route

Depart

Return

Price

San DiegoSofia

SAN - SOF

SANSOF

San Diego

Thu 11/27

11:02 am-10:45 pm

2 stops25h 43m

Sofia

Wed 12/10

6:05 am-3:45 pm

1 stop19h 40m

$474

San DiegoSofia

SAN - SOF

SANSOF

San Diego

Thu 11/27

5:35 pm-10:45 pm

1 stop19h 10m

Sofia

Wed 12/10

6:10 am-11:53 am

2 stops39h 43m

$511

San DiegoSofia

SAN - SOF

SANSOF

San Diego

Thu 11/27

9:54 am-10:45 pm

2 stops26h 51m

Sofia

Wed 12/10

6:05 am-3:45 pm

1 stop19h 40m

$530

San DiegoSofia

SAN - SOF

SANSOF

San Diego

Sat 1/10

6:30 am-7:35 pm

3 stops51h 05m

$304

San DiegoSofia

SAN - SOF

SANSOF

San Diego

Thu 1/8

9:10 am-11:15 pm

2 stops28h 05m

$348

San DiegoSofia

SAN - SOF

SANSOF

San Diego

Wed 1/7

8:10 am-6:00 pm

2 stops23h 50m

$439

San DiegoSofia

SAN - SOF

SANSOF

San Diego

Wed 1/7

5:35 pm-6:20 pm

1 stop14h 45m

$442

San DiegoSofia

SAN - SOF

SANSOF

San Diego

Tue 1/6

5:35 pm-10:45 pm

1 stop19h 10m

$446

San DiegoSofia

SAN - SOF

SANSOF

San Diego

Fri 1/9

5:35 pm-6:20 pm

1 stop14h 45m

$446

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Compare providers for flights from San Diego to Sofia

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Diego to Sofia in October.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
OneTravelPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San Diego-Sofia flights, users find the pricing of OneTravel to be most consistent on Cheapflights vs. OneTravel Users can find the same prices on San Diego-Sofia flight deals on Cheapflights vs. OneTravel >95% of the time. Price accuracy is based on data collected from San Diego-Sofia flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Diego-Sofia flights, Cheapflights users trust OneTravel the most. OneTravel 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 San Diego-Sofia 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 San Diego to Sofia

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

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

Currently, March is the cheapest month in which you can book a flight from San Diego to Sofia (average of $587). Flying from San Diego to Sofia in June is currently the most expensive (average of $1,120). 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 SAN to SOF?

Find hourly flight availability from San Diego 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 October 29, 2025.

It’s optimal to fly from San Diego to Sofia at noon. By choosing this option you can save up to 52% on the cost of your flight, compared to a flight in the afternoon.

How much does it cost to fly round-trip from San Diego to Sofia?

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 October 29, 2025.
Get a feel of what it's like to fly with United Airlines and Lufthansa from San Diego to Sofia by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,999 reviews

Crew

8.1

Overall

7.4

Food

6.6

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,999 reviews
United Airlines
7.4
Good
8,999 reviews

Crew

8.1

Overall

7.4

Food

6.6

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Lufthansa
6.8
Okay
7,541 reviews
United Airlines
7.4
Good
8,999 reviews

Crew

8.1

Overall

7.4

Food

6.6

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

Find useful and relevant information for your journey from San Diego to Sofia. 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 San Diego to Sofia?

    For as low as $474, Lufthansa can have you in Sofia from San Diego in 25h 43m. The distance from San Diego to Sofia is about 6655 mi.

  • What are the cheapest airlines flying from San Diego to Sofia round-trip?

    Currently priced at $723, Lufthansa will fly you from San Diego to Sofia and back. In addition to Lufthansa, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on United Airlines for as low as $780. Users have found that Lufthansa is 28% cheaper than the other options available to this destination.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from San Diego 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 San Diego to Sofia?

    Currently, March is the cheapest month in which you can book a flight from San Diego to Sofia (average of $587). Flying from San Diego to Sofia in June is currently the most expensive (average of $1,120). 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

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Top 2 airlines flying from San Diego to Sofia

Discover the top 2 airlines that operate flights from San Diego 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 October 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$723Average$1,168FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$780Average$1,010FlexibilityNo cancel feeOn-time69%

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