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

Return flights

20 Sep - 04 Oct	Avianca	direct
30 Sep - 01 Oct	Avianca
15 Sep - 29 Sep	Avianca
15 Sep - 06 Oct	Avianca
09 Sep - 23 Sep	Avianca	direct
11 Sep - 25 Sep	Avianca	direct
17 Sep - 05 Oct	Avianca
09 Sep - 01 Oct	Avianca
15 Sep - 29 Sep	Air Europa	direct
25 Sep - 10 Oct	Air Europa	direct
15 Sep - 06 Oct	Air Europa	direct
08 Sep - 28 Sep	Avianca
01 Sep - 21 Sep	Avianca
01 Sep - 29 Sep	Avianca
01 Sep - 15 Sep	Avianca
08 Sep - 22 Sep	Avianca
01 Sep - 17 Sep	Avianca
03 Sep - 03 Oct	Avianca
03 Sep - 03 Oct	Air Europa	direct
09 Sep - 01 Oct	Air Europa	direct

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 745€

Return flights