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

Return flights

18 Dec - 06 Jan	easyJet	direct
16 Dec - 18 Dec	easyJet	direct
13 Dec - 16 Dec	easyJet
09 Dec - 13 Dec	easyJet
10 Dec - 13 Dec	easyJet
11 Dec - 16 Dec	easyJet
09 Dec - 13 Dec	easyJet	direct
16 Dec - 20 Dec	easyJet	direct
12 Dec - 16 Dec	easyJet
11 Dec - 15 Dec	easyJet
11 Dec - 14 Dec	easyJet
18 Dec - 07 Jan	Vueling Airlines
28 Dec - 07 Jan	KLM
17 Dec - 07 Jan	Vueling Airlines
22 Dec - 11 Jan	Vueling Airlines
22 Dec - 10 Jan	Vueling Airlines
22 Dec - 07 Jan	Vueling Airlines
23 Dec - 11 Jan	Vueling Airlines
23 Dec - 10 Jan	Vueling Airlines
23 Dec - 07 Jan	Vueling Airlines

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 79€

Return flights