AirHint found the following cheapest return flights from Phoenix (PHX) to Sofia (SOF) in March 2026 (see full year).
Return flights
| 11 Mar - 24 Mar | Lufthansa | ||
| 12 Mar - 24 Mar | Lufthansa | ||
| 13 Mar - 24 Mar | Austrian Airlines | ||
| 27 Mar - 03 Apr | Frontier Airlines |
Also check the deals for one-way flights from Phoenix to Sofia in March.
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