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

Return flights

17 Sep - 31 Oct	Jet2
17 Sep - 30 Oct	Jet2
25 Sep - 23 Oct	SunExpress
28 Sep - 16 Oct	TUI
26 Sep - 23 Oct	Jet2
18 Sep - 13 Oct	Jet2
29 Sep - 28 Oct	Ryanair
25 Sep - 20 Oct	SunExpress
19 Sep - 05 Oct	Ryanair
22 Sep - 29 Sep	Jet2
30 Sep - 13 Oct	SunExpress
24 Sep - 30 Sep	Corendon Airlines
23 Sep - 30 Sep	SunExpress
27 Sep - 29 Sep	Corendon Airlines
20 Sep - 27 Sep	Corendon Airlines
17 Sep - 24 Sep	Jet2
20 Sep - 28 Sep	Corendon Airlines
19 Sep - 26 Sep	Ryanair
17 Sep - 29 Sep	KLM
21 Sep - 28 Sep	KLM

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

Book a cheap hotel in Bangkok

Cheap car rent in Bangkok

Cheapest return flights from Newcastle to Bangkok in September from $627

Return flights