Cheapest return MAD–SJU flights, August

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

Return flights

31 Aug - 15 Sep jetBlue
27 Aug - 07 Sep Finnair direct
31 Aug - 14 Sep Finnair direct
26 Aug - 03 Sep Iberia direct
26 Aug - 08 Sep Finnair direct
26 Aug - 01 Sep Finnair direct
26 Aug - 05 Sep Iberia
26 Aug - 30 Aug Delta
27 Aug - 04 Sep Delta
31 Aug - 13 Sep Air France
31 Aug - 12 Sep Delta
26 Aug - 31 Aug United
27 Aug - 31 Aug United
25 Aug - 31 Aug jetBlue
27 Aug - 31 Aug Finnair direct
26 Aug - 31 Aug Finnair direct
28 Aug - 31 Aug Finnair direct
03 Aug - 09 Aug TAP
03 Aug - 19 Aug TAP
26 Aug - 26 Aug Iberia direct

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

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