Cheapest return flights from San Juan to Madrid in September from $496

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

Return flights

21 Sep - 01 Oct Iberia
24 Sep - 09 Oct British Airways direct
21 Sep - 28 Sep Air France
23 Sep - 28 Sep Air France
28 Sep - 16 Oct British Airways
18 Sep - 02 Oct British Airways
21 Sep - 30 Sep Air France
20 Sep - 29 Sep Air France
20 Sep - 30 Sep Air France
15 Sep - 25 Sep Air France
18 Sep - 02 Oct Iberia direct
19 Sep - 28 Sep KLM
26 Sep - 10 Oct Iberia
19 Sep - 29 Sep KLM
03 Sep - 10 Sep Air France
21 Sep - 01 Oct Iberia direct
28 Sep - 16 Oct British Airways direct
21 Sep - 28 Sep Iberia direct
17 Sep - 01 Oct Iberia
26 Sep - 10 Oct Aer Lingus direct

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