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

Return flights

03 Dec - 10 Dec	jetBlue
03 Dec - 08 Dec	jetBlue
02 Dec - 07 Dec	Ryanair
09 Dec - 24 Dec	SWISS
27 Dec - 15 Jan	Ryanair
26 Dec - 15 Jan	Ryanair
26 Dec - 31 Dec	Avianca
20 Dec - 31 Dec	Vueling Airlines
22 Dec - 02 Jan	Vueling Airlines
19 Dec - 27 Dec	Air Canada
20 Dec - 30 Dec	Vueling Airlines
12 Dec - 04 Jan	Wizz Air Malta
14 Dec - 04 Jan	Wizz Air Malta
13 Dec - 04 Jan	Wizz Air Malta
24 Dec - 04 Jan	SWISS
22 Dec - 05 Jan	Ryanair
20 Dec - 03 Jan	Vueling Airlines

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 726€

Return flights