AirHint found the following cheapest return flights from Rio Negro (MDE) to Madrid (MAD) in September 2026 (see full year).

Return flights

22 Sep - 03 Oct	Avianca
22 Sep - 19 Oct	Avianca
16 Sep - 30 Sep	Avianca	direct
09 Sep - 30 Sep	Avianca	direct
09 Sep - 05 Oct	Avianca	direct
11 Sep - 05 Oct	Avianca	direct
09 Sep - 02 Oct	Avianca	direct
25 Sep - 16 Oct	Avianca	direct
24 Sep - 16 Oct	Avianca
21 Sep - 06 Oct	Avianca
12 Sep - 07 Oct	Avianca
16 Sep - 09 Oct	Avianca	direct
07 Sep - 26 Sep	Arajet
04 Sep - 22 Sep	Avianca
01 Sep - 29 Sep	Avianca
05 Sep - 21 Sep	Avianca
05 Sep - 26 Sep	Avianca
04 Sep - 21 Sep	Avianca
01 Sep - 26 Sep	Avianca
01 Sep - 30 Sep	Arajet

Also check the deals for one-way flights from Rio Negro 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 Rio Negro to Madrid in September from 734€

Return flights