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

Return flights

04 Dec - 09 Dec	Aer Lingus
01 Dec - 09 Dec	Aer Lingus
02 Dec - 05 Dec	Aer Lingus
11 Dec - 23 Dec	Aer Lingus
02 Dec - 09 Dec	Aer Lingus
16 Dec - 23 Dec	Aer Lingus
15 Dec - 23 Dec	Aer Lingus
11 Dec - 24 Dec	Aer Lingus
03 Dec - 11 Dec	Turkish Airlines
08 Dec - 15 Dec	Aer Lingus
29 Dec - 06 Jan	Aer Lingus
30 Dec - 06 Jan	Eurowings
29 Dec - 04 Jan	Eurowings
29 Dec - 03 Jan	Eurowings
31 Dec - 02 Jan	Turkish Airlines
28 Dec - 04 Jan	Turkish Airlines
15 Dec - 12 Jan	Turkish Airlines
25 Dec - 04 Jan	Turkish Airlines
18 Dec - 03 Jan	Aer Lingus
25 Dec - 08 Jan	Turkish Airlines

Also check the deals for one-way flights from London to Dalaman 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 Dalaman in December from 189€

Return flights