Cheapest one-way flights from Austin to Santiago in April from 141€

AirHint found the following cheapest one-way flights from Austin (AUS) to Santiago (STI) in April 2026 (see full year).

One-Way flights

29 Apr Spirit Airlines
14 Apr Spirit Airlines
20 Apr Spirit Airlines
11 Apr Spirit Airlines
08 Apr Spirit Airlines
02 Apr Spirit Airlines
05 Apr Spirit Airlines
23 Apr Spirit Airlines
26 Apr Spirit Airlines
17 Apr Spirit Airlines

Also check the deals for return flights from Austin to Santiago in April.

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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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