AirHint found the following cheapest return flights from Cardiff (CWL) to Dalaman (DLM) in September 2025 (see full year).

Return flights

10 Sep - 17 Sep	TUI	direct
03 Sep - 10 Sep	TUI	direct
17 Sep - 25 Sep	TUI
03 Sep - 11 Sep	TUI
02 Sep - 10 Sep	Ryanair
03 Sep - 11 Sep	TUI	direct
18 Sep - 22 Sep	Ryanair
08 Sep - 15 Sep	Ryanair
18 Sep - 25 Sep	TUI
05 Sep - 16 Sep	Ryanair
28 Sep - 05 Oct	Ryanair
25 Sep - 08 Oct	Ryanair
25 Sep - 09 Oct	Ryanair
23 Sep - 03 Oct	Ryanair
25 Sep - 02 Oct	Ryanair
25 Sep - 02 Oct	TUI	direct
25 Sep - 09 Oct	TUI	direct

Also check the deals for one-way flights from Cardiff to Dalaman in September.

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 Cardiff to Dalaman in September from 158€

Return flights