AirHint found the following cheapest return flights from Newcastle (NCL) to Bangkok (BKK) in August 2025 (see full year).

Return flights

25 Aug - 22 Sep	KLM
26 Aug - 22 Sep	KLM
23 Aug - 23 Sep	KLM
25 Aug - 23 Sep	KLM
27 Aug - 24 Sep	Air France
26 Aug - 18 Sep	KLM
26 Aug - 10 Sep	China Southern
25 Aug - 29 Sep	KLM
29 Aug - 18 Sep	KLM
29 Aug - 11 Sep	China Southern
25 Aug - 31 Aug	China Southern
28 Aug - 31 Aug	Jet2
24 Aug - 31 Aug	Jet2
17 Aug - 31 Aug	Jet2
21 Aug - 28 Aug	Jet2
20 Aug - 27 Aug	TUI
17 Aug - 24 Aug	Jet2
23 Aug - 30 Aug	Corendon Airlines
19 Aug - 26 Aug	Ryanair
16 Aug - 23 Aug	KLM

Also check the deals for one-way flights from Newcastle to Bangkok in August.

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 Newcastle to Bangkok in August from 610€

Return flights