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

Return flights

30 Dec - 30 Jan	British Airways
01 Dec - 12 Jan	British Airways
07 Dec - 21 Dec	Ryanair
05 Dec - 08 Dec	Ryanair
03 Dec - 10 Dec	Ryanair
22 Dec - 25 Dec	easyJet
07 Dec - 15 Jan	Ryanair
07 Dec - 27 Dec	Ryanair
29 Dec - 22 Jan	Ryanair
31 Dec - 21 Jan	British Airways
07 Dec - 28 Dec	Air France
03 Dec - 19 Dec	KLM
10 Dec - 30 Dec	Ryanair
02 Dec - 15 Dec	Air France
01 Dec - 16 Dec	British Airways
27 Dec - 18 Jan	British Airways
30 Dec - 20 Jan	British Airways
15 Dec - 15 Jan	Ryanair
29 Dec - 19 Jan	British Airways
29 Dec - 20 Jan	British Airways

Also check the deals for one-way flights from Newcastle to Bangkok 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 Newcastle to Bangkok in December from $703

Return flights