AirHint found the following cheapest return flights from Newark (EWR) to Cartagena (CTG) in December 2025 (see full year).

Return flights

05 Dec - 12 Dec	Arajet
03 Dec - 11 Dec	Delta
01 Dec - 05 Dec	Arajet
23 Dec - 01 Jan	LATAM Airlines Group
04 Dec - 12 Dec	Allegiant Air
03 Dec - 07 Dec	Arajet
01 Dec - 08 Dec	Arajet
17 Dec - 21 Dec	Arajet
26 Dec - 02 Jan	Arajet
03 Dec - 12 Dec	United
23 Dec - 02 Jan	Aeromexico
24 Dec - 02 Jan	Aeromexico
26 Dec - 03 Jan	Aeromexico
22 Dec - 03 Jan	Aeromexico
25 Dec - 03 Jan	Aeromexico
24 Dec - 01 Jan	Aeromexico
30 Dec - 03 Jan	Aeromexico
23 Dec - 03 Jan	Aeromexico
22 Dec - 29 Dec	Aeromexico

Also check the deals for one-way flights from Newark to Cartagena 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 Newark to Cartagena in December from $388

Return flights