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

Return flights

06 Sep - 11 Sep	Sky Airline	direct
12 Sep - 19 Sep	Sky Airline	direct
04 Sep - 07 Sep	Sky Airline	direct
13 Sep - 21 Sep	Sky Airline	direct
08 Sep - 11 Sep	Sky Airline	direct
29 Sep - 08 Oct	Sky Airline	direct
08 Sep - 18 Sep	Sky Airline	direct
11 Sep - 21 Sep	Sky Airline	direct
25 Sep - 28 Sep	Sky Airline	direct
11 Sep - 23 Sep	JetSmart
25 Sep - 13 Oct	JetSmart
16 Sep - 21 Sep	Aerolineas Argentinas
25 Sep - 01 Oct	JetSmart
11 Sep - 01 Oct	JetSmart
25 Sep - 10 Oct	JetSmart
12 Sep - 01 Oct	JetSmart
25 Sep - 05 Oct	JetSmart
25 Sep - 06 Oct	JetSmart
26 Sep - 13 Oct	JetSmart
26 Sep - 01 Oct	JetSmart

Also check the deals for one-way flights from Montevideo to Santiago 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 Santiago in September from $231

Return flights