$532 Cheap Flights from Sofia (SOF) to Raleigh (RDU)

View $532 flight on Thu, Nov 20, 2025Opens in a new window

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

Cheap Flights from Sofia to Raleigh (SOF-RDU)

Prices were available within the past 7 days and start at $532 for one-way flights and $703 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Thu, Sep 25 - Mon, Sep 29
SOF
Sofia
RDU
Raleigh
$703 Roundtrip, found 2 days ago
$703
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Thu, Sep 25 from Sofia to Raleigh, returning Mon, Sep 29, priced at $703 found 2 days ago
Lufthansa
Thu, Sep 25 - Mon, Sep 29
SOF
Sofia
RDU
Raleigh
$703 Roundtrip, found 2 days ago
$703
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Thu, Sep 25 from Sofia to Raleigh, returning Mon, Sep 29, priced at $703 found 2 days ago
Lufthansa
Thu, Sep 25 - Mon, Sep 29
SOF
Sofia
RDU
Raleigh
$707 Roundtrip, found 2 days ago
$707
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Thu, Sep 25 from Sofia to Raleigh, returning Mon, Sep 29, priced at $707 found 2 days ago
Lufthansa
Thu, Sep 25 - Mon, Sep 29
SOF
Sofia
RDU
Raleigh
$709 Roundtrip, found 2 days ago
$709
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Thu, Sep 25 from Sofia to Raleigh, returning Mon, Sep 29, priced at $709 found 2 days ago
Lufthansa
Thu, Sep 25 - Mon, Sep 29
SOF
Sofia
RDU
Raleigh
$711 Roundtrip, found 2 days ago
$711
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Thu, Sep 25 from Sofia to Raleigh, returning Mon, Sep 29, priced at $711 found 2 days ago
Austrian Airlines
Thu, Sep 25 - Mon, Sep 29
SOF
Sofia
RDU
Raleigh
$715 Roundtrip, found 2 days ago
$715
Roundtrip
found 2 days ago
Select Austrian Airlines flight, departing Thu, Sep 25 from Sofia to Raleigh, returning Mon, Sep 29, priced at $715 found 2 days ago
Air Canada
Thu, Sep 25 - Mon, Sep 29
SOF
Sofia
RDU
Raleigh
$716 Roundtrip, found 2 days ago
$716
Roundtrip
found 2 days ago
Select Air Canada flight, departing Thu, Sep 25 from Sofia to Raleigh, returning Mon, Sep 29, priced at $716 found 2 days ago
Lufthansa
Thu, Sep 11 - Mon, Sep 15
SOF
Sofia
RDU
Raleigh
$720 Roundtrip, found 4 days ago
$720
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Thu, Sep 11 from Sofia to Raleigh, returning Mon, Sep 15, priced at $720 found 4 days ago
United
Thu, Sep 25 - Mon, Sep 29
SOF
Sofia
RDU
Raleigh
$731 Roundtrip, found 2 days ago
$731
Roundtrip
found 2 days ago
Select United flight, departing Thu, Sep 25 from Sofia to Raleigh, returning Mon, Sep 29, priced at $731 found 2 days ago
Swiss International Air Lines
Thu, Sep 11 - Mon, Sep 15
SOF
Sofia
RDU
Raleigh
$749 Roundtrip, found 4 days ago
$749
Roundtrip
found 4 days ago
Select Swiss International Air Lines flight, departing Thu, Sep 11 from Sofia to Raleigh, returning Mon, Sep 15, priced at $749 found 4 days ago
Flights from Sofia (SOF) to Raleigh (RDU)
Origin airport
Sofia
Destination airport
Raleigh - Durham Intl.
Roundtrip price
$702
Distance
5129 mi

Sofia to Raleigh Flights

The cheapest times to fly from Sofia to Raleigh

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

 

The best time to book a flight from Sofia to Raleigh

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

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 Raleigh in 2025. You can also book with separate airlines for your outbound and return journeys, from $532 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 Raleigh 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 Raleigh 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.

 

Frequently asked questions

How much does a flight from Sofia Airport (SOF) to Raleigh - Durham Intl. Airport (RDU) cost?
Secure a cheap one-way flight from $532 or cheap return flight from $703 from Sofia Airport (SOF) to Raleigh - Durham Intl. Airport (RDU) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Sofia Airport (SOF) to Raleigh - Durham Intl. Airport (RDU)?
Planning your getaway for September is a good way to save, as it's the cheapest month for flights between SOF and RDU. You'll typically find the lowest fares during off-peak months.
What is the cheapest airline that flies from Sofia Airport (SOF) to Raleigh - Durham Intl. Airport (RDU)?
To find the cheapest airline flying from SOF to RDU, use Expedia's filter tool. Customize your search based on your travel needs, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Sofia Airport (SOF) to Raleigh - Durham Intl. Airport (RDU)?
You'll need to hop on a flight with a layover when traveling from Sofia Airport (SOF) to Raleigh - Durham Intl. Airport (RDU). Direct flights don't operate daily on this route. However, just filter your search to include one or more stops to discover an option that works for you.
What day of the week has the most flights from SOF to RDU?
Usually you'll find the greatest selection of flight options on a Friday. Tuesdays are often the quietest.* But this can change based on the season, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Sofia Airport (SOF) to Raleigh - Durham Intl. Airport (RDU)?
To land at Raleigh - Durham Intl. Airport (RDU) without delays, opt for a flight that leaves from Sofia Airport (SOF) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**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 Sofia Airport (SOF) to Raleigh - Durham Intl. Airport (RDU) last-minute?
Waiting until just before your trip to book a ticket from SOF to RDU generally means paying more. While it's possible to find some last-minute discounts, they're not always guaranteed. Keep your travel schedule open for a better chance of getting a bargain.
Is it cheaper to book a SOF to RDU flight and hotel package?
Compared with arranging hotels and flights separately, booking a SOF to RDU flight and hotel package with Expedia could result in significant savings. Better still, having it all in one place will take the stress out of travel planning. Just secure your flights and select from our wide range of stays, then tailor your trip with other add-ons like activities and car rentals.
Can I cancel or change the date of my flight from Sofia Airport (SOF) to Raleigh - Durham Intl. Airport (RDU)?
In most instances, you can modify or cancel your SOF to RDU flight. However, additional fees may apply, especially if you made your booking over 24 hours ago. Check your itinerary for the airline's fees and guidelines on flight changes, or if you need further information, visit our Customer Service portal.

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*Available to One Key members.