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

Return flights

20 Sep - 10 Oct	Sky Airline	direct
08 Sep - 15 Sep	JetSmart
11 Sep - 15 Sep	JetSmart
07 Sep - 09 Sep	JetSmart
07 Sep - 14 Sep	JetSmart
05 Sep - 09 Sep	JetSmart
05 Sep - 14 Sep	JetSmart
06 Sep - 27 Sep	Sky Airline	direct
08 Sep - 09 Sep	JetSmart
22 Sep - 29 Sep	Sky Airline	direct
04 Sep - 11 Sep	Sky Airline	direct
22 Sep - 09 Oct	JetSmart
22 Sep - 01 Oct	JetSmart
22 Sep - 03 Oct	JetSmart
22 Sep - 08 Oct	JetSmart
24 Sep - 01 Oct	LATAM Airlines Group	direct
22 Sep - 06 Oct	JetSmart
22 Sep - 10 Oct	JetSmart
22 Sep - 04 Oct	JetSmart
22 Sep - 02 Oct	JetSmart

Also check the deals for one-way flights from Santiago 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 Santiago to Montevideo in September from 177€

Return flights