$485 Cheap Flights from Sofia (SOF) to Charleston (CHS)

View $485 flight on Mon, Jul 6, 2026Opens in a new window

Flight 1

Popular airlines from Sofia Airport (SOF) to Charleston Intl. Airport (CHS)

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Cheap Flights from Sofia to Charleston (SOF-CHS)

Prices were available within the past 7 days and start at $485 for one-way flights and $829 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Wed, May 27 - Sat, Aug 22
SOF
Sofia
CHS
Charleston
$829 Roundtrip, found 4 days ago
$829
Roundtrip
found 4 days ago
Select British Airways flight, departing Wed, May 27 from Sofia to Charleston, returning Sat, Aug 22, priced at $829 found 4 days ago
Turkish Airlines
Tue, May 26 - Sat, Aug 22
SOF
Sofia
CHS
Charleston
$1,128 Roundtrip, found 4 days ago
$1,128
Roundtrip
found 4 days ago
Select Turkish Airlines flight, departing Tue, May 26 from Sofia to Charleston, returning Sat, Aug 22, priced at $1,128 found 4 days ago
JetBlue Airways
Tue, May 26 - Sat, Aug 22
SOF
Sofia
CHS
Charleston
$1,186 Roundtrip, found 4 days ago
$1,186
Roundtrip
found 4 days ago
Select JetBlue Airways flight, departing Tue, May 26 from Sofia to Charleston, returning Sat, Aug 22, priced at $1,186 found 4 days ago

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Frequently asked questions

How much does a flight from Sofia (SOF) to Charleston, SC (CHS-Charleston Intl.) cost?
You can find cheap one-way flights from $485 and cheap return flights from $829 Sofia (SOF) to Charleston, SC (CHS-Charleston Intl.) with Expedia. One-way flights typically cost between $817 and $3247, and return flights often range between $786 and $3234. 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 Sofia (SOF) to Charleston, SC (CHS-Charleston Intl.) 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 Sofia (SOF) to Charleston, SC (CHS-Charleston Intl.)?
The cheapest month to fly from SOF to CHS is May 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 Sofia (SOF) to Charleston, SC (CHS-Charleston Intl.)?
Enter SOF to CHS and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Sofia (SOF) to Charleston, SC (CHS-Charleston Intl.)?
To find a cheap flight from Sofia (SOF) to Charleston, SC (CHS-Charleston Intl.), 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 Sofia (SOF) to Charleston, SC (CHS-Charleston Intl.)?
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 Sofia (SOF) to Charleston, SC (CHS-Charleston Intl.)?
The earliest flight from Sofia (SOF) to Charleston, SC (CHS-Charleston Intl.) typically departs at 5:00 AM. This seasonal service is operated by Air Serbia and JetBlue Airways, giving you a great start to your travel day. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Sofia (SOF) to Charleston, SC (CHS-Charleston Intl.)?
The most popular departure times for flights from Sofia (SOF) to Charleston, SC (CHS) are in the early morning, from 6am to 9am. About 77% of passengers prefer this time window. Many major carriers, including Delta Airlines and Lufthansa, offer flights during this window. This timing works well because it helps you make the most of your day in Charleston after arriving.
How long does it take to fly from Sofia (SOF) to Charleston, SC (CHS-Charleston Intl.)?
Flights from SOF to CHS with one stop typically take around 20 hours, covering approximately 5,322 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 Sofia (SOF) to Charleston, SC (CHS-Charleston Intl.)?
Business class is available on flights from SOF to CHS. Airlines that offer business class service on this route include:

  • Bulgaria Air
  • Lufthansa
  • Turkish Airlines

How do I earn miles on a Sofia (SOF) to Charleston, SC (CHS-Charleston Intl.) flight with Expedia?
It's easy to earn miles on a Sofia (SOF) to Charleston, SC (CHS-Charleston Intl.) 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.
What airports do you fly into for Charleston from SOF (SOF)?
If you're planning to travel to Charleston from SOF (SOF), you can fly typically into Charleston Intl. (CHS) Some flights may connect through major hubs like Frankfurt Intl. (FRA), Franz Josef Strauss Intl. (MUC), Schiphol (AMS) before reaching Charleston. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Sofia (SOF) to Charleston, SC (CHS-Charleston Intl.) at the last minute?
Typically, booking a last minute flight from Sofia (SOF) to Charleston, SC (CHS-Charleston Intl.) 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 Sofia (SOF) to Charleston, SC (CHS-Charleston Intl.) flight and hotel package?
Securing a Sofia (SOF) to Charleston, SC (CHS-Charleston Intl.) flight and hotel package 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 Sofia (SOF) to Charleston, SC (CHS-Charleston Intl.)?
If you booked your Sofia (SOF) to Charleston, SC (CHS-Charleston Intl.) 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
Sofia
Destination airport
Charleston Intl.
Roundtrip price
$828
Distance
5321 mi

Book with confidence

Sofia to Charleston Flights

The cheapest times to fly from Sofia to Charleston

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 Sofia to Charleston are during the month of May. You can find some of the cheapest flights from Sofia to Charleston with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Sofia to Charleston

Sunday is one of the best days to book for cheap flights from Sofia to Charleston: 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 Sofia to Charleston

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 Sofia to Charleston in 2026. You can also book with separate airlines for your outbound and return journeys, from $485 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 Sofia to Charleston 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 Sofia to Charleston 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.

 

Sofia to Charleston Flights

*Flight schedules are subject to change.

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*Available to One Key members.