AirHint found the following cheapest return flights from Chicago (MDW) to Berlin (BER) in April 2026 (see full year).
Return flights
| 29 Apr - 06 May | Frontier Airlines | ||
| 14 Apr - 22 Apr | Frontier Airlines | ||
| 12 Apr - 19 Apr | Delta | ||
| 03 Apr - 06 Apr | Delta | ||
| 24 Apr - 29 Apr | Delta | ||
| 19 Apr - 24 Apr | Delta |
Also check the deals for one-way flights from Chicago to Berlin in April.
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