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

Return flights

25 Sep - 10 Oct	TAP
06 Sep - 22 Sep	TAP
06 Sep - 21 Sep	TAP
06 Sep - 20 Sep	TAP
05 Sep - 22 Sep	TAP
05 Sep - 21 Sep	TAP
07 Sep - 25 Sep	GOL Linhas Aéreas
06 Sep - 29 Sep	TAP
05 Sep - 29 Sep	TAP
05 Sep - 20 Sep	TAP
04 Sep - 22 Sep	TAP

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

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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Cheapest return flights from Natal to Madrid in September from $1102

Return flights