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

Return flights

07 Dec - 14 Dec	jetBlue
07 Dec - 15 Dec	jetBlue
06 Dec - 13 Dec	jetBlue
04 Dec - 08 Dec	jetBlue
08 Dec - 11 Dec	TAP
03 Dec - 08 Dec	jetBlue
09 Dec - 15 Dec	jetBlue
02 Dec - 07 Dec	jetBlue
04 Dec - 14 Dec	jetBlue
04 Dec - 07 Dec	jetBlue
22 Dec - 12 Jan	jetBlue
30 Dec - 11 Jan	jetBlue
30 Dec - 13 Jan	jetBlue
11 Dec - 12 Jan	jetBlue
11 Dec - 11 Jan	jetBlue
08 Dec - 14 Jan	Delta
28 Dec - 14 Jan	jetBlue
30 Dec - 09 Jan	jetBlue
06 Dec - 10 Jan	jetBlue
10 Dec - 11 Jan	jetBlue

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 681€

Return flights