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

Return flights

15 Sep - 25 Sep	Air France
08 Sep - 27 Oct	LATAM Airlines Group
22 Sep - 27 Oct	Avianca
15 Sep - 29 Sep	Avianca
22 Sep - 30 Sep	Avianca
08 Sep - 23 Sep	Avianca
21 Sep - 29 Sep	Avianca
16 Sep - 16 Oct	LATAM Airlines Group
15 Sep - 31 Oct	Avianca
12 Sep - 24 Sep	Air Canada
17 Sep - 24 Sep	Air Canada
14 Sep - 28 Sep	Azul Airlines
15 Sep - 28 Sep	Avianca
16 Sep - 27 Sep	Azul Airlines
08 Sep - 27 Oct	Iberia	direct
15 Sep - 15 Oct	Iberia
25 Sep - 06 Oct	Azul Airlines
22 Sep - 27 Oct	Iberia	direct
18 Sep - 02 Oct	LATAM Airlines Group
17 Sep - 01 Oct	Avianca

Also check the deals for one-way flights from Madrid to Montevideo 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 Madrid to Montevideo in September from 788€

Return flights