Cheapest return flights from Madrid to San Juan in September from $664

Best time to book flights for Madrid (MAD) to San Juan (SJU) flights at AirHint

AirHint found the following cheapest return flights from Madrid (MAD) to San Juan (SJU) in September 2025 (see full year).

Return flights

03 Sep - 09 Sep British Airways direct
09 Sep - 24 Sep Iberia direct
18 Sep - 25 Sep Iberia direct
15 Sep - 22 Sep Iberia direct
16 Sep - 30 Sep Iberia
22 Sep - 30 Sep Iberia
23 Sep - 30 Sep Iberia
02 Sep - 09 Sep Iberia direct
23 Sep - 01 Oct Iberia direct
03 Sep - 13 Sep TAP
15 Sep - 25 Sep TAP
27 Sep - 06 Oct Iberia
23 Sep - 03 Oct Iberia
26 Sep - 12 Oct Iberia
26 Sep - 05 Oct Iberia
24 Sep - 04 Oct TAP
29 Sep - 10 Oct Iberia
22 Sep - 05 Oct Ryanair
22 Sep - 07 Oct Ryanair

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

Skyscanner

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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