$217 Flights from Raleigh / Durham (RDU) to Sofia (SOF)

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Flight deals from Raleigh / Durham Airport to Sofia Airport

Looking for a cheap last-minute deal or the best round-trip flight from Raleigh / Durham Airport to Sofia Airport? If you want to travel next month, round-trip fares start from $624. Find the lowest prices on one-way and round-trip tickets right here.

Find the cheapest month to fly from Raleigh / Durham to Sofia

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Raleigh / Durham to Sofia flights are currently cheapest in April.

Raleigh / Durham to Sofia: Alternative routes

Compare routes from Raleigh / Durham to Sofia below. You may find an airport to fly into that's cheaper, faster, or easier than Sofia.

Durham to Sofia: Flight information

The things to know before you go.
Cheapest flight found$217
Cheapest month to flyApril

Finding cheap flights from Raleigh / Durham to Sofia: Frequently asked questions

The best price we found for a round-trip flight from Raleigh / Durham to Sofia is $624. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Raleigh / Durham to Sofia. But we found flights with one or more stops from $624.
There are no flights flying from Raleigh / Durham to Sofia, as of March 2026.
The cheapest month to fly from Raleigh / Durham to Sofia is usually April.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Raleigh / Durham Airport to Sofia Airport on Saturday, April 18, 2026.
No airlines currently offer direct flights between Raleigh / Durham Airport and Sofia Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Sofia but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Sofia is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Icelandair offers the cheapest flight tickets to Sofia.

Flying from Raleigh-Durham International Airport (RDU) to Sofia Airport (SOF): what you need to know

  • The timezone in Sofia is UTC+2, which is six hours ahead of Durham.

  • Give yourself enough time to catch your RDU to SOF flight. As a rule of thumb, arrive at least two hours before international departures and an hour ahead for domestic flights.

  • You'll likely experience longer lines in popular months such as July. Arriving up to four hours ahead of an international flight and two hours for a domestic departure is a good idea.

  • Think about adding a stopover when booking your ticket from Raleigh-Durham International Airport to Sofia Airport. Simply uncheck 'Direct flights only' to break up your journey, or perhaps explore a new destination along the way. Here's where you can stop between RDU and SOF:

    • Frankfurt Airport

    • Charles de Gaulle Airport

    • London Heathrow Airport

How to find the cheapest flights from Raleigh-Durham International Airport (RDU) to Sofia Airport (SOF)

  • Right now, $217 is the cheapest price we've seen for a one-way Raleigh-Durham International Airport to Sofia Airport flight. The best price for a return ticket is $624. Keep in mind that fares can change due to availability at the time of booking.

  • Don't wait until the last moment. You're more likely to get cheap tickets from RDU to SOF if you book in advance. Airlines often offer some terrific early bird rates.

  • Finding cheap flights from Raleigh-Durham International Airport to Sofia Airport is easier if you're flexible with your dates. Use the 'Whole month' function to see the lowest fares across the month and snap up a great deal.

  • There's no need to check every day to find out if fares have gone down when you create a Price Alert. We'll send you an update as soon as a special offer becomes available on cheap flights from RDU to SOF.

  • Select your ideal departure and arrival times, airlines and number of stops with the filters. Or sort your results by 'Cheapest' to get the best deals on flights from Raleigh-Durham International Airport to Sofia Airport.

Handy information about Raleigh-Durham International Airport (RDU)

  • 80.09% of flights departing from Raleigh-Durham International Airport land at their destination according to schedule. With its strong performance rating, you're unlikely to be delayed when flying out of RDU.

  • Raleigh-Durham International Airport is around 14 miles from central Durham. If you're driving, ride-sharing or catching a cab from the center, it'll take 20 minutes or so to get there, depending on the traffic.

  • Taking public transport? Expect a trip time of around 1 hour 10 minutes.

  • Booked an early flight from Raleigh-Durham International Airport to Sofia Airport? Avoid the last-minute rush to the terminal (and sneak in some extra precious sleep) by picking one of these stays close to RDU:

Arriving at Sofia Airport (SOF)

  • Book a hotel near SOF if you're taking a late Raleigh-Durham International Airport to Sofia Airport flight. Pick one of these options and skip the long transfer:

  • Begin your adventure by picking up a Sofia Airport rental car. Grab your wheels from MEX, Surprice or NU Car Rentals and experience the lesser-explored corners of Sofia and beyond.

  • Reserving your vehicle from Sofia Airport around one week in advance can help you get the best possible rate.

Getting from Sofia Airport (SOF) to central Sofia

  • From Sofia Airport, Sofia is approximately 7 miles away. It takes around 15 minutes to reach the center by car.

  • It typically takes 35 minutes when traveling by public transport.

When to fly to Sofia Airport (SOF)

  • August is the busiest month for flights from Raleigh-Durham International Airport to Sofia Airport. To steer clear of the crowds, head to Sofia in April.

  • The warmest month in Sofia is August, with temperatures ranging between 57ºF and 86ºF. Lock in your flights from Raleigh-Durham International Airport to Sofia Airport in this month if this is the type of weather you enjoy.

  • Look for cheap tickets from RDU to SOF in January if you like cooler conditions. Temperatures are at their lowest then, ranging between 12ºF and 45ºF on average.

Explore more of Bulgaria

  • Plovdiv is just one of the many places in Bulgaria waiting to be discovered after you've experienced Sofia. Around 80 miles away to the south-east, check out popular attractions including Plovdiv Old Town, Plovdiv Roman Theatre and Archaelogical Complex Nebet Tepe.

  • Around 240 miles east of Sofia, Varna is another favorite stop in Bulgaria. Get a taste of what this destination has to offer at Park Asparuhovo - Asparuhovo sea garden, Dormition of theotokos Cathedral and Sunset viewpoint (място за гледане на Залеза).

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.