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

Return flights

01 Dec - 07 Dec	American Airlines
15 Dec - 12 Jan	Frontier Airlines
23 Dec - 13 Jan	Frontier Airlines
13 Dec - 29 Dec	Frontier Airlines
09 Dec - 14 Dec	Delta
23 Dec - 11 Jan	Frontier Airlines
22 Dec - 11 Jan	Frontier Airlines
15 Dec - 09 Jan	Frontier Airlines
18 Dec - 21 Dec	Frontier Airlines
21 Dec - 11 Jan	Frontier Airlines
30 Dec - 06 Jan	Frontier Airlines
20 Dec - 11 Jan	Frontier Airlines
19 Dec - 11 Jan	Frontier Airlines
24 Dec - 04 Jan	Frontier Airlines

Also check the deals for one-way flights from Denver 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.

Book a cheap hotel in Lima

Cheap car rent in Lima

Cheapest return flights from Denver to Lima in December from $445

Return flights