Cheapest return flights from Frankfurt to San Juan in May from $660

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

Return flights

08 May - 15 May Condor
11 May - 24 May Condor
08 May - 13 May Condor
01 May - 14 May Condor
24 May - 08 Jun Condor
14 May - 26 May Ryanair
13 May - 21 May United
13 May - 27 May United
23 May - 09 Jun United
22 May - 08 Jun Lufthansa
14 May - 25 May Air France
23 May - 08 Jun United
23 May - 01 Jun United
28 May - 05 Jun Lufthansa
13 May - 17 May Condor
21 May - 25 May Iberia

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

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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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