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

Return flights

16 Dec - 08 Jan	Vueling Airlines
06 Dec - 12 Dec	Ryanair
10 Dec - 11 Dec	easyJet
18 Dec - 31 Dec	easyJet
19 Dec - 08 Jan	Ryanair
31 Dec - 08 Jan	Ryanair
16 Dec - 08 Jan	easyJet	direct
06 Dec - 10 Dec	Ryanair
10 Dec - 16 Dec	Ryanair
06 Dec - 16 Dec	Ryanair
09 Dec - 11 Dec	Ryanair
08 Dec - 11 Dec	Wizz Air
27 Dec - 31 Dec	Aer Lingus
01 Dec - 31 Dec	Wizz Air
16 Dec - 10 Jan	easyJet	direct
16 Dec - 13 Jan	easyJet	direct
16 Dec - 06 Jan	easyJet	direct
27 Dec - 01 Jan	Aer Lingus
24 Dec - 01 Jan	Air France
23 Dec - 06 Jan	Air Europa

Also check the deals for one-way flights from Lisbon 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 Lisbon to Prague in December from 111€

Return flights