Cheapest return flights from Cardiff to Bangkok in December from 800€

AirHint found the following cheapest return flights from Cardiff (CWL) to Bangkok (BKK) in December 2025 (see full year).

Return flights

02 Dec - 31 Dec Vueling Airlines
15 Dec - 22 Dec Vueling Airlines
28 Dec - 25 Jan Ryanair
17 Dec - 22 Jan Ryanair
24 Dec - 15 Jan Ryanair
18 Dec - 30 Jan Ryanair
10 Dec - 15 Jan KLM
22 Dec - 05 Jan Ryanair
30 Dec - 02 Jan Ryanair
19 Dec - 05 Jan Ryanair
20 Dec - 03 Jan KLM
26 Dec - 05 Jan Ryanair
02 Dec - 09 Dec Singapore Airlines
03 Dec - 07 Dec Singapore Airlines
11 Dec - 22 Dec Singapore Airlines
01 Dec - 31 Dec Singapore Airlines
06 Dec - 18 Dec Singapore Airlines
25 Dec - 31 Dec Singapore Airlines
14 Dec - 31 Dec Singapore Airlines
14 Dec - 30 Dec Singapore Airlines

Also check the deals for one-way flights from Cardiff to Bangkok in December.

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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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