AirHint found the following cheapest return flights from Newark (EWR) to Sofia (SOF) in March 2026 (see full year).
Return flights
| 24 Mar - 07 Apr | LOT | ||
| 09 Mar - 25 Mar | Lufthansa | ||
| 14 Mar - 07 Apr | SWISS | ||
| 21 Mar - 04 Apr | Air Canada | ||
| 30 Mar - 05 Apr | LOT |
Also check the deals for one-way flights from Newark to Sofia in March.
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