AirHint found the following cheapest return flights from Frankfurt (FRA) to San Juan (SJU) in August 2026 (see full year).
Return flights
| 29 Aug - 08 Sep | Condor | ||
| 25 Aug - 12 Sep | KLM | ||
| 17 Aug - 30 Aug | United | ||
| 22 Aug - 05 Sep | United | ||
| 08 Aug - 22 Aug | United | ||
| 03 Aug - 17 Aug | United | ||
| 21 Aug - 29 Aug | Delta | ||
| 01 Aug - 30 Aug | United |
Also check the deals for one-way flights from Frankfurt to San Juan in August.
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