AirHint found the following cheapest one-way flights from Sao Paulo (GRU) to Montevideo (MVD) in September 2025 (see full year).

One-Way flights

05 Sep	Aerolineas Argentinas
08 Sep	Aerolineas Argentinas
11 Sep	Aerolineas Argentinas
25 Sep	Aerolineas Argentinas
07 Sep	Aerolineas Argentinas
12 Sep	Aerolineas Argentinas
10 Sep	Aerolineas Argentinas
29 Sep	Aerolineas Argentinas
09 Sep	Aerolineas Argentinas
14 Sep	Aerolineas Argentinas

Also check the deals for return flights from Sao Paulo 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 one-way flights from Sao Paulo to Montevideo in September from $135

One-Way flights