AirHint found the following cheapest return flights from Austin (AUS) to Lima (LIM) in December 2025 (see full year).

Return flights

04 Dec - 16 Dec	Copa
05 Dec - 13 Dec	United
06 Dec - 13 Dec	Copa
12 Dec - 13 Dec	Delta
15 Dec - 22 Dec	Delta
09 Dec - 25 Dec	Spirit Airlines
16 Dec - 30 Dec	Delta
14 Dec - 20 Dec	Delta
13 Dec - 25 Dec	Spirit Airlines
16 Dec - 29 Dec	Delta
25 Dec - 01 Jan	LATAM Airlines Group
28 Dec - 10 Jan	Delta
27 Dec - 10 Jan	Spirit Airlines
16 Dec - 03 Jan	Delta
19 Dec - 03 Jan	Spirit Airlines

Also check the deals for one-way flights from Austin to Lima in December.

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 Austin to Lima in December from 318€

Return flights