Cheapest return flights from Frankfurt to San Juan in September from 599€

AirHint found the following cheapest return flights from Frankfurt (FRA) to San Juan (SJU) in September 2026 (see full year).

Return flights

01 Sep - 30 Sep Condor
01 Sep - 20 Sep Condor
21 Sep - 27 Sep Condor
14 Sep - 28 Sep Condor
23 Sep - 28 Sep Condor
23 Sep - 29 Sep Condor
22 Sep - 28 Sep KLM
01 Sep - 13 Sep KLM
22 Sep - 27 Sep KLM
04 Sep - 20 Sep Condor

Also check the deals for one-way flights from Frankfurt to San Juan in September.

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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