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

Return flights

29 Sep - 14 Oct	LATAM Airlines Group
30 Sep - 14 Oct	LATAM Airlines Group
30 Sep - 28 Oct	Copa
30 Sep - 17 Oct	LATAM Airlines Group
30 Sep - 07 Oct	Avianca
30 Sep - 19 Oct	Avianca
29 Sep - 27 Oct	Avianca
09 Sep - 25 Sep	Avianca
09 Sep - 17 Sep	Avianca
29 Sep - 19 Oct	Avianca
29 Sep - 20 Oct	Avianca
30 Sep - 05 Oct	Avianca
09 Sep - 16 Sep	Avianca
08 Sep - 13 Sep	Avianca
08 Sep - 16 Sep	Avianca
09 Sep - 24 Sep	Avianca
15 Sep - 21 Sep	Avianca
08 Sep - 18 Sep	Avianca
09 Sep - 22 Sep	Avianca
08 Sep - 17 Sep	Avianca

Also check the deals for one-way flights from Montevideo 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 Montevideo to Madrid in September from $1009

Return flights