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

Return flights

20 Dec - 03 Jan	easyJet	direct
16 Dec - 18 Dec	easyJet	direct
13 Dec - 16 Dec	easyJet
01 Dec - 03 Dec	easyJet
09 Dec - 10 Dec	easyJet
02 Dec - 03 Dec	easyJet
03 Dec - 06 Dec	easyJet
01 Dec - 06 Dec	easyJet
02 Dec - 06 Dec	easyJet
23 Dec - 31 Dec	easyJet
13 Dec - 14 Dec	easyJet
30 Dec - 03 Jan	easyJet	direct
27 Dec - 01 Jan	easyJet	direct
17 Dec - 05 Jan	easyJet
20 Dec - 04 Jan	easyJet
31 Dec - 03 Jan	easyJet
17 Dec - 05 Jan	TAP	direct
27 Dec - 02 Jan	easyJet
23 Dec - 07 Jan	Vueling Airlines
22 Dec - 08 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 99€

Return flights