AirHint found the following cheapest return flights from Raleigh-durham (RDU) to Sofia (SOF) in December 2025 (see full year).
16 Dec - 01 Jan | jetBlue | ||
20 Dec - 03 Jan | jetBlue |
Also check the deals for one-way flights from Raleigh-durham to Sofia in December.
The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.