AirHint found the following cheapest return flights from Dallas-Fort Worth (DFW) to Sofia (SOF) in May 2026 (see full year).
Return flights
| 11 May - 31 May | KLM | ||
| 19 May - 31 May | Spirit Airlines | ||
| 18 May - 01 Jun | Iberia | ||
| 21 May - 04 Jun | Spirit Airlines |
Also check the deals for one-way flights from Dallas-Fort Worth to Sofia in May.
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