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

Return flights

07 Dec - 14 Dec	Ryanair
06 Dec - 23 Jan	Ryanair
13 Dec - 20 Dec	Ryanair
07 Dec - 23 Jan	Ryanair
05 Dec - 23 Jan	Ryanair
02 Dec - 23 Jan	Ryanair
08 Dec - 23 Jan	Ryanair
08 Dec - 15 Dec	Ryanair
12 Dec - 19 Dec	Ryanair
09 Dec - 23 Jan	Ryanair
09 Dec - 21 Jan	Ryanair
14 Dec - 21 Dec	Ryanair
09 Dec - 22 Jan	Ryanair
29 Dec - 16 Jan	Ryanair
24 Dec - 31 Dec	Ryanair
23 Dec - 30 Dec	Ryanair
19 Dec - 26 Dec	Ryanair
22 Dec - 29 Dec	Ryanair
20 Dec - 27 Dec	Ryanair
08 Dec - 12 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 $769

Return flights