AirHint found the following cheapest one-way flights from Chicago (ORD) to Frankfurt (FRA) in April 2026 (see full year).
One-Way flights
| 25 Apr | Spirit Airlines | ||
| 17 Apr | Icelandair | ||
| 05 Apr | Icelandair | ||
| 13 Apr | United | direct | |
| 20 Apr | United | direct | |
| 25 Apr | Lufthansa | direct | |
| 17 Apr | Lufthansa | direct | |
| 05 Apr | Lufthansa | direct | |
| 06 Apr | United | direct |
Also check the deals for return flights from Chicago to Frankfurt in April.
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