AirHint found the following cheapest return flights from San Juan (SJU) to Frankfurt (FRA) in April 2026 (see full year).
Return flights
| 28 Apr - 05 May | Lufthansa | ||
| 08 Apr - 15 Apr | Lufthansa | ||
| 22 Apr - 09 May | KLM | ||
| 23 Apr - 30 Apr | Lufthansa | ||
| 18 Apr - 25 Apr | Lufthansa | ||
| 13 Apr - 20 Apr | Lufthansa |
Also check the deals for one-way flights from San Juan to Frankfurt in April.
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