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

Return flights

10 Sep - 28 Sep	KLM
15 Sep - 27 Sep	KLM
12 Sep - 26 Sep	KLM
04 Sep - 02 Oct	KLM
18 Sep - 28 Sep	Air France
04 Sep - 29 Sep	LATAM Airlines Group
05 Sep - 10 Oct	KLM
16 Sep - 30 Sep	Air France
05 Sep - 01 Oct	LATAM Airlines Group
08 Sep - 25 Sep	Azul Airlines
16 Sep - 13 Oct	LATAM Airlines Group
09 Sep - 02 Oct	Azul Airlines
08 Sep - 02 Oct	Azul Airlines
17 Sep - 02 Oct	Azul Airlines
19 Sep - 12 Oct	Azul Airlines
15 Sep - 28 Sep	LATAM Airlines Group
10 Sep - 24 Sep	Azul Airlines
09 Sep - 04 Oct	Azul Airlines
18 Sep - 25 Sep	Ryanair
08 Sep - 03 Oct	Azul Airlines

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 762€

Return flights