AirHint found the following cheapest return flights from Dayton (DAY) to Frankfurt (FRA) in May 2026 (see full year).
Return flights
| 03 May - 08 May | Delta | ||
| 13 May - 21 May | United | ||
| 16 May - 29 May | Lufthansa | ||
| 15 May - 17 May | United | ||
| 22 May - 23 May | United | ||
| 22 May - 29 May | United | ||
| 21 May - 05 Jun | United |
Also check the deals for one-way flights from Dayton to Frankfurt in May.
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