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

Return flights

04 Dec - 10 Dec	Frontier Airlines
30 Dec - 21 Jan	Frontier Airlines
06 Dec - 16 Dec	Frontier Airlines
01 Dec - 09 Dec	Frontier Airlines
30 Dec - 15 Jan	Frontier Airlines
11 Dec - 14 Jan	Frontier Airlines
14 Dec - 31 Dec	Frontier Airlines
11 Dec - 31 Dec	Frontier Airlines
13 Dec - 10 Jan	Frontier Airlines
22 Dec - 09 Jan	Frontier Airlines
22 Dec - 11 Jan	Frontier Airlines
18 Dec - 07 Jan	Frontier Airlines
15 Dec - 04 Jan	Frontier Airlines

Also check the deals for one-way flights from Phoenix 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 Phoenix to Lima in December from 414€

Return flights