AirHint found the following cheapest return flights from Newark (EWR) to Sofia (SOF) in July 2026 (see full year).
Return flights
| 10 Jul - 15 Aug | KLM | ||
| 03 Jul - 15 Aug | KLM | ||
| 01 Jul - 07 Jul | Lufthansa | ||
| 04 Jul - 09 Jul | Lufthansa |
Also check the deals for one-way flights from Newark to Sofia in July.
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