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

Return flights

05 Dec - 14 Dec	Norse Atlantic Airways (UK)
06 Dec - 20 Dec	Vueling Airlines
02 Dec - 07 Dec	Avianca
13 Dec - 24 Dec	SWISS
31 Dec - 04 Jan	easyJet
26 Dec - 01 Jan	Vueling Airlines
28 Dec - 14 Jan	SWISS
26 Dec - 05 Jan	Air Canada
30 Dec - 08 Jan	Vueling Airlines
25 Dec - 04 Jan	Vueling Airlines
27 Dec - 10 Jan	Vueling Airlines
27 Dec - 07 Jan	Vueling Airlines
05 Dec - 20 Dec	Vueling Airlines
27 Dec - 03 Jan	Vueling Airlines
05 Dec - 13 Dec	Delta
21 Dec - 04 Jan	Vueling Airlines
13 Dec - 27 Dec	KLM

Also check the deals for one-way flights from London 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 London to Cartagena in December from $847

Return flights