AirHint found the following cheapest return flights from San Diego (SAN) to Frankfurt (FRA) in May 2026 (see full year).
Return flights
| 12 May - 26 May | Air Canada | ||
| 19 May - 26 May | Lufthansa | ||
| 09 May - 23 May | Air Canada | ||
| 04 May - 11 May | Lufthansa | ||
| 13 May - 13 Jun | Condor | ||
| 09 May - 16 May | Lufthansa | ||
| 29 May - 05 Jun | Lufthansa |
Also check the deals for one-way flights from San Diego to Frankfurt in May.
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