$324 Cheap Flights from San Diego (SAN) to Sofia (SOF)

View $324 flight on Tue, Nov 3, 2026Opens in a new window

Popular airlines from San Diego Intl. Airport (SAN) to Sofia Airport (SOF)

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 30% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from San Diego to Sofia (SAN-SOF)

Prices were available within the past 7 days and start at $324 for one-way flights and $698 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Tue, Nov 3 - Wed, Nov 18
SAN
San Diego
SOF
Sofia
$698 Roundtrip, found 2 days ago
$698
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Tue, Nov 3 from San Diego to Sofia, returning Wed, Nov 18, priced at $698 found 2 days ago
United
Tue, Nov 3 - Wed, Nov 18
SAN
San Diego
SOF
Sofia
$698 Roundtrip, found 2 days ago
$698
Roundtrip
found 2 days ago
Select United flight, departing Tue, Nov 3 from San Diego to Sofia, returning Wed, Nov 18, priced at $698 found 2 days ago
British Airways
Tue, Nov 3 - Wed, Nov 18
SAN
San Diego
SOF
Sofia
$699 Roundtrip, found 2 days ago
$699
Roundtrip
found 2 days ago
Select British Airways flight, departing Tue, Nov 3 from San Diego to Sofia, returning Wed, Nov 18, priced at $699 found 2 days ago
United
Tue, Nov 3 - Wed, Nov 18
SAN
San Diego
SOF
Sofia
$703 Roundtrip, found 2 days ago
$703
Roundtrip
found 2 days ago
Select United flight, departing Tue, Nov 3 from San Diego to Sofia, returning Wed, Nov 18, priced at $703 found 2 days ago
Lufthansa
Wed, Aug 19 - Tue, Nov 3
SAN
San Diego
SOF
Sofia
$703 Roundtrip, found 12 hours ago
$703
Roundtrip
found 12 hours ago
Select Lufthansa flight, departing Wed, Aug 19 from San Diego to Sofia, returning Tue, Nov 3, priced at $703 found 12 hours ago
Swiss International Air Lines
Tue, Aug 11 - Tue, Aug 25
SAN
San Diego
SOF
Sofia
$705 Roundtrip, found 2 days ago
$705
Roundtrip
found 2 days ago
Select Swiss International Air Lines flight, departing Tue, Aug 11 from San Diego to Sofia, returning Tue, Aug 25, priced at $705 found 2 days ago
Lufthansa
Tue, Nov 3 - Wed, Nov 18
SAN
San Diego
SOF
Sofia
$707 Roundtrip, found 2 days ago
$707
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Tue, Nov 3 from San Diego to Sofia, returning Wed, Nov 18, priced at $707 found 2 days ago
United
Tue, Nov 3 - Wed, Nov 18
SAN
San Diego
SOF
Sofia
$708 Roundtrip, found 2 days ago
$708
Roundtrip
found 2 days ago
Select United flight, departing Tue, Nov 3 from San Diego to Sofia, returning Wed, Nov 18, priced at $708 found 2 days ago
Lufthansa
Tue, Nov 3 - Wed, Nov 18
SAN
San Diego
SOF
Sofia
$711 Roundtrip, found 2 days ago
$711
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Tue, Nov 3 from San Diego to Sofia, returning Wed, Nov 18, priced at $711 found 2 days ago
Air Canada
Tue, Nov 3 - Wed, Nov 18
SAN
San Diego
SOF
Sofia
$718 Roundtrip, found 2 days ago
$718
Roundtrip
found 2 days ago
Select Air Canada flight, departing Tue, Nov 3 from San Diego to Sofia, returning Wed, Nov 18, priced at $718 found 2 days ago

Alternative airports near Sofia

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Sofia Airport SOF. Cheapest and Closest option available. Average driving time to city center is 11 minutes. Flights from $929
SOF
Sofia Airport
CheapestClosest
Average driving time to city center11 min
Flights from $929

Frequently asked questions

How much does a flight from San Diego, CA (SAN-San Diego Intl.) to Sofia (SOF) cost?
You can find cheap one-way flights from $324 and cheap return flights from $698 San Diego, CA (SAN-San Diego Intl.) to Sofia (SOF) with Expedia. One-way flights typically cost between $481 and $17379, and return flights often range between $681 and $6734. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when San Diego, CA (SAN-San Diego Intl.) to Sofia (SOF) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from San Diego, CA (SAN-San Diego Intl.) to Sofia (SOF)?
The cheapest month to fly from SAN to SOF is November when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from San Diego, CA (SAN-San Diego Intl.) to Sofia (SOF)?
Enter SAN to SOF and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from San Diego, CA (SAN-San Diego Intl.) to Sofia (SOF)?
LOT-Polish Airlines is one of the cheapest airlines offering connecting flights from San Diego Intl. (SAN) to Sofia (SOF), with round-trip tickets starting from around $1,239.41 with a layover in John F. Kennedy Intl. (JFK). This gives you a chance to rest before continuing your journey. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from San Diego, CA (SAN-San Diego Intl.) to Sofia (SOF)?
To find a cheap flight from San Diego, CA (SAN-San Diego Intl.) to Sofia (SOF), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from San Diego, CA (SAN-San Diego Intl.) to Sofia (SOF)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from San Diego, CA (SAN-San Diego Intl.) to Sofia (SOF)?
Sort flights by "Departure (earliest)" on Expedia to find the earliest flight from SAN to SOF. To compare more early flights, use the "Early Morning" and "Morning" filters in your search.
How long does it take to fly from San Diego, CA (SAN-San Diego Intl.) to Sofia (SOF)?
A flight from SAN to SOF with a layover takes around 15 hours 30 minutes, with the route covering approximately 6,660 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from San Diego, CA (SAN-San Diego Intl.) to Sofia (SOF)?
Business class is available on flights from SAN to SOF. Airlines that offer business class service on this route include:

  • Lufthansa
  • United Airlines
  • JetBlue Airways
  • British Airways
  • Delta Air Lines
  • Air Canada
  • American Airlines
  • KLM

First class is available with Lufthansa.
How do I earn miles on a San Diego, CA (SAN-San Diego Intl.) to Sofia (SOF) flight with Expedia?
It's easy to earn miles on a San Diego, CA (SAN-San Diego Intl.) to Sofia (SOF) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
Is it cheaper to buy a plane ticket from San Diego, CA (SAN-San Diego Intl.) to Sofia (SOF) at the last minute?
Typically, booking a last minute flight from San Diego, CA (SAN-San Diego Intl.) to Sofia (SOF) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a San Diego, CA (SAN-San Diego Intl.) to Sofia (SOF) flight and hotel package?
Securing a San Diego, CA (SAN-San Diego Intl.) to Sofia (SOF) Sofia Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from San Diego, CA (SAN-San Diego Intl.) to Sofia (SOF)?
If you booked your San Diego, CA (SAN-San Diego Intl.) to Sofia (SOF) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
San Diego Intl.
Destination airport
Sofia
Airlines serving
Air Canada, Air France, Austrian Airlines, British Airways, ITA Airways, JetBlue Airways, KLM, LOT-Polish Airlines, Lufthansa, Swiss International Air Lines, Turkish Airlines, United
Roundtrip price
$698
Distance
6659 mi

Book with confidence

San Diego to Sofia Flights

The cheapest times to fly from San Diego to Sofia

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from San Diego to Sofia are during the month of November. You can find some of the cheapest flights from San Diego to Sofia with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from San Diego to Sofia

Sunday is one of the best days to book for cheap flights from San Diego to Sofia: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from San Diego to Sofia

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from San Diego to Sofia in 2026. You can also book with separate airlines for your outbound and return journeys, from $324 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap San Diego to Sofia flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your San Diego to Sofia airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

San Diego to Sofia Flights

*Flight schedules are subject to change.

Explore a world of travel with Expedia

*Available to One Key members.