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

Return flights

08 Dec - 22 Dec	British Airways
02 Dec - 23 Dec	Aer Lingus
01 Dec - 08 Dec	easyJet
06 Dec - 20 Dec	easyJet
01 Dec - 22 Dec	Wizz Air Malta
05 Dec - 21 Dec	Wizz Air Malta
01 Dec - 12 Jan	easyJet
10 Dec - 30 Dec	Wizz Air Malta
04 Dec - 21 Dec	easyJet
03 Dec - 10 Dec	easyJet
01 Dec - 09 Dec	Wizz Air Malta
31 Dec - 28 Jan	British Airways
01 Dec - 13 Jan	easyJet
03 Dec - 27 Jan	Wizz Air Malta
31 Dec - 21 Jan	British Airways
30 Dec - 28 Jan	British Airways
31 Dec - 27 Jan	British Airways
29 Dec - 19 Jan	easyJet
28 Dec - 12 Jan	easyJet
07 Dec - 13 Jan	British Airways

Also check the deals for one-way flights from Glasgow 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 Glasgow to Bangkok in December from 488€

Return flights