Cheapest return MAD–SJU flights, May

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

Return flights

28 May - 06 Jun Air France
29 May - 05 Jun Delta
29 May - 03 Jun Delta
30 May - 06 Jun Delta
27 May - 31 May Delta
31 May - 11 Jun Delta
31 May - 06 Jun Delta
27 May - 07 Jun United
28 May - 07 Jun United
26 May - 02 Jun Iberia direct
28 May - 11 Jun Finnair direct
22 May - 30 May Delta
22 May - 25 May Delta
22 May - 28 May Delta
24 May - 31 May Delta
21 May - 29 May Avianca
21 May - 28 May Lufthansa
21 May - 31 May Avianca
21 May - 24 May Avianca
21 May - 25 May Delta

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

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