$332 Cheap Flights from Raleigh (RDU) to Sofia (SOF)

View $332 flight on Sun, Feb 8, 2026Opens in a new window

Popular airlines from Raleigh-Durham International Airport (RDU) to Sofia Airport (SOF)

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Cheap Flights from Raleigh to Sofia (RDU-SOF)

Prices were available within the past 7 days and start at $332 for one-way flights and $530 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Wed, Jan 28 - Thu, Feb 12
RDU
Raleigh
SOF
Sofia
$530 Roundtrip, found 5 days ago
$530
Roundtrip
found 5 days ago
Select Air Canada flight, departing Wed, Jan 28 from Raleigh to Sofia, returning Thu, Feb 12, priced at $530 found 5 days ago
Lufthansa
Tue, Jan 20 - Tue, Feb 3
RDU
Raleigh
SOF
Sofia
$530 Roundtrip, found 3 days ago
$530
Roundtrip
found 3 days ago
Select Lufthansa flight, departing Tue, Jan 20 from Raleigh to Sofia, returning Tue, Feb 3, priced at $530 found 3 days ago
United
Mon, Nov 24 - Sat, Dec 13
RDU
Raleigh
SOF
Sofia
$532 Roundtrip, found 5 days ago
$532
Roundtrip
found 5 days ago
Select United flight, departing Mon, Nov 24 from Raleigh to Sofia, returning Sat, Dec 13, priced at $532 found 5 days ago
Air Canada
Wed, Jan 28 - Thu, Feb 12
RDU
Raleigh
SOF
Sofia
$535 Roundtrip, found 5 days ago
$535
Roundtrip
found 5 days ago
Select Air Canada flight, departing Wed, Jan 28 from Raleigh to Sofia, returning Thu, Feb 12, priced at $535 found 5 days ago
Air Canada
Wed, Jan 28 - Thu, Feb 12
RDU
Raleigh
SOF
Sofia
$536 Roundtrip, found 5 days ago
$536
Roundtrip
found 5 days ago
Select Air Canada flight, departing Wed, Jan 28 from Raleigh to Sofia, returning Thu, Feb 12, priced at $536 found 5 days ago
United
Mon, Dec 8 - Tue, Jan 20
RDU
Raleigh
SOF
Sofia
$538 Roundtrip, found 6 days ago
$538
Roundtrip
found 6 days ago
Select United flight, departing Mon, Dec 8 from Raleigh to Sofia, returning Tue, Jan 20, priced at $538 found 6 days ago
United
Mon, Dec 8 - Tue, Jan 20
RDU
Raleigh
SOF
Sofia
$539 Roundtrip, found 6 days ago
$539
Roundtrip
found 6 days ago
Select United flight, departing Mon, Dec 8 from Raleigh to Sofia, returning Tue, Jan 20, priced at $539 found 6 days ago
United
Mon, Dec 1 - Mon, Dec 15
RDU
Raleigh
SOF
Sofia
$541 Roundtrip, found 5 days ago
$541
Roundtrip
found 5 days ago
Select United flight, departing Mon, Dec 1 from Raleigh to Sofia, returning Mon, Dec 15, priced at $541 found 5 days ago
British Airways
Tue, Jan 20 - Sun, Feb 1
RDU
Raleigh
SOF
Sofia
$548 Roundtrip, found 3 days ago
$548
Roundtrip
found 3 days ago
Select British Airways flight, departing Tue, Jan 20 from Raleigh to Sofia, returning Sun, Feb 1, priced at $548 found 3 days ago
Austrian Airlines
Thu, Jan 29 - Thu, Feb 12
RDU
Raleigh
SOF
Sofia
$554 Roundtrip, found 5 days ago
$554
Roundtrip
found 5 days ago
Select Austrian Airlines flight, departing Thu, Jan 29 from Raleigh to Sofia, returning Thu, Feb 12, priced at $554 found 5 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 $1,046
SOF
Sofia Airport
CheapestClosest
Average driving time to city center11 min
Flights from $1,046

Frequently asked questions

How much does a flight from Raleigh - Durham Intl. Airport (RDU) to Sofia Airport (SOF) cost?
Secure a cheap one-way flight from $332 or cheap return flight from $530 from Raleigh - Durham Intl. Airport (RDU) to Sofia Airport (SOF) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Raleigh - Durham Intl. Airport (RDU) to Sofia Airport (SOF)?
Flying in January may help you find better deals, as it's the cheapest month for flights between RDU and SOF. You'll typically find the lowest fares during off-peak months.
What is the cheapest airline that flies from Raleigh - Durham Intl. Airport (RDU) to Sofia Airport (SOF)?
Use the filter tool on Expedia to compare airlines and find the most affordable carrier that'll fly you from RDU to SOF. Then, sort your results by "Price (lowest to highest)" to snap up the best deal available.
How many flights per day from Raleigh - Durham Intl. Airport (RDU) to Sofia Airport (SOF)?
You'll have to hop on a flight with a layover when traveling from Raleigh - Durham Intl. Airport (RDU) to Sofia Airport (SOF). There are no daily direct flights on this route. However, simply filter your search to include one or more stops to find an option that works for you.
What day of the week has the most flights from RDU to SOF?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can change depending on a range of factors, such as the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Raleigh - Durham Intl. Airport (RDU) to Sofia Airport (SOF)?
To avoid potential delays on the Raleigh - Durham Intl. Airport (RDU) to Sofia Airport (SOF) route, travel before 3 PM. Departures after this time have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Raleigh - Durham Intl. Airport (RDU) to Sofia Airport (SOF) last-minute?
Booking your flight from RDU to SOF right before your getaway is generally more expensive. However, if there's some wiggle room with your departure dates and times, you could snag a cheap last-minute fare.
Is it cheaper to book a RDU to SOF flight and hotel package?
Compared with arranging hotels and flights separately, booking a RDU to SOF flight and hotel package with Expedia could result in significant savings. Better yet, having everything in one place will take the stress out of travel planning. Just secure your flights and choose from our wide range of hotels, then tailor your trip with extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from Raleigh - Durham Intl. Airport (RDU) to Sofia Airport (SOF)?
If you booked your RDU to SOF flight in the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you'd like more information.

Travel information

Origin airport
Raleigh - Durham Intl.
Destination airport
Sofia
Airlines serving
Air Canada, Air France, Austrian Airlines, British Airways, JetBlue Airways, KLM, Lufthansa, Turkish Airlines, United
Roundtrip price
$529
Distance
5129 mi

Book with confidence

Raleigh to Sofia Flights

The cheapest times to fly from Raleigh 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 Raleigh to Sofia are during the month of January. You can find some of the cheapest flights from Raleigh to Sofia with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Raleigh to Sofia

Sunday is one of the best days to book for cheap flights from Raleigh 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 Raleigh 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 Raleigh to Sofia in 2025. You can also book with separate airlines for your outbound and return journeys, from $332 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 Raleigh 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 Raleigh 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.

 

Raleigh to Sofia Flights

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*Available to One Key members.