Cheapest return flights from Dallas-Fort Worth to Sofia in December from $749

AirHint found the following cheapest return flights from Dallas-Fort Worth (DFW) to Sofia (SOF) in December 2025 (see full year).

Return flights

31 Dec - 10 Jan Spirit Airlines
31 Dec - 09 Jan Spirit Airlines
03 Dec - 18 Dec Frontier Airlines
30 Dec - 09 Jan Spirit Airlines
03 Dec - 19 Dec Frontier Airlines
02 Dec - 20 Dec Spirit Airlines
03 Dec - 20 Dec Frontier Airlines
12 Dec - 26 Dec Spirit Airlines
22 Dec - 05 Jan Spirit Airlines
21 Dec - 31 Dec Spirit Airlines

Also check the deals for one-way flights from Dallas-Fort Worth to Sofia in December.

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