AirHint found the following cheapest return flights from Chicago (ORD) to Sofia (SOF) in July 2026 (see full year).
Return flights
| 31 Jul - 29 Aug | Lufthansa | ||
| 07 Jul - 31 Aug | ITA Airways | ||
| 05 Jul - 31 Aug | ITA Airways | ||
| 26 Jul - 05 Aug | TAP | ||
| 03 Jul - 31 Aug | British Airways | ||
| 02 Jul - 31 Aug | jetBlue |
Also check the deals for one-way flights from Chicago to Sofia in July.
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