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

Return flights

30 Dec - 20 Jan	Ryanair
30 Dec - 27 Jan	Ryanair
29 Dec - 23 Jan	Wizz Air
31 Dec - 10 Jan	Ryanair
30 Dec - 23 Jan	Ryanair
31 Dec - 15 Jan	Wizz Air
28 Dec - 21 Jan	Pegasus Airlines
29 Dec - 29 Jan	Wizz Air
31 Dec - 17 Jan	Ryanair
30 Dec - 16 Jan	Ryanair
24 Dec - 27 Dec	Pegasus Airlines
23 Dec - 27 Dec	Pegasus Airlines
21 Dec - 28 Dec	Pegasus Airlines
24 Dec - 31 Dec	Pegasus Airlines
21 Dec - 27 Dec	Pegasus Airlines
22 Dec - 27 Dec	easyJet
25 Dec - 30 Dec	Pegasus Airlines
23 Dec - 30 Dec	Pegasus Airlines
20 Dec - 27 Dec	Ryanair
20 Dec - 26 Dec	Ryanair

Also check the deals for one-way flights from Lisbon 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 Lisbon to Bangkok in December from 650€

Return flights