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

Return flights

16 Sep - 23 Sep	LATAM Airlines Group
19 Sep - 26 Sep	LATAM Airlines Group
24 Sep - 30 Sep	LATAM Airlines Group
03 Sep - 09 Sep	Azul Airlines
06 Sep - 17 Sep	GOL Linhas Aéreas
20 Sep - 30 Sep	GOL Linhas Aéreas

Also check the deals for one-way flights from Sao Luis 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.

Book a cheap hotel in Santiago

Cheap car rent in Santiago

Cheapest return flights from Sao Luis to Santiago in September from $485

Return flights