AirHint found the following cheapest return flights from Belfast (BFS) to Prague (PRG) in December 2025 (see full year).

Return flights

30 Dec - 03 Jan	easyJet	direct
16 Dec - 20 Dec	easyJet	direct
31 Dec - 03 Jan	easyJet
30 Dec - 06 Jan	easyJet	direct
10 Dec - 13 Dec	Ryanair
16 Dec - 19 Dec	easyJet
02 Dec - 06 Dec	easyJet	direct
11 Dec - 14 Dec	Ryanair
13 Dec - 15 Dec	easyJet
13 Dec - 16 Dec	easyJet
12 Dec - 15 Dec	easyJet
21 Dec - 27 Dec	Ryanair
06 Dec - 09 Dec	easyJet

Also check the deals for one-way flights from Belfast to Prague 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 Belfast to Prague in December from 115€

Return flights