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

Return flights

01 Dec - 22 Dec	Ryanair
08 Dec - 22 Dec	Ryanair
05 Dec - 22 Dec	Ryanair
05 Dec - 26 Dec	Ryanair
13 Dec - 20 Dec	Ryanair
15 Dec - 17 Jan	Ryanair
21 Dec - 15 Jan	Ryanair
14 Dec - 10 Jan	Ryanair
21 Dec - 11 Jan	Ryanair
09 Dec - 09 Jan	Ryanair
21 Dec - 23 Jan	Ryanair
26 Dec - 10 Jan	Ryanair
12 Dec - 16 Jan	Ryanair
20 Dec - 23 Jan	Ryanair
26 Dec - 04 Jan	Ryanair

Also check the deals for one-way flights from Prestwick 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 Prestwick to Bangkok in December from 794€

Return flights