AirHint found the following cheapest return flights from Thessaloniki (SKG) to Chicago (ORD) in April 2026 (see full year).
Return flights
| 26 Apr - 07 May | SWISS | ||
| 11 Apr - 21 Apr | SWISS | ||
| 17 Apr - 26 Apr | Austrian Airlines | ||
| 04 Apr - 18 Apr | Lufthansa |
Also check the deals for one-way flights from Thessaloniki to Chicago in April.
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