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

Return flights

11 Dec - 14 Dec	easyJet
13 Dec - 17 Dec	easyJet
11 Dec - 15 Jan	easyJet	direct
11 Dec - 16 Dec	easyJet
31 Dec - 08 Jan	Ryanair
13 Dec - 16 Dec	Ryanair
06 Dec - 13 Dec	Lufthansa
04 Dec - 13 Dec	Lufthansa
06 Dec - 11 Dec	Lufthansa
11 Dec - 13 Dec	Brussels Airlines
11 Dec - 17 Dec	Brussels Airlines
10 Dec - 17 Dec	Lufthansa
11 Dec - 13 Jan	easyJet	direct
31 Dec - 07 Jan	Brussels Airlines
11 Dec - 10 Jan	easyJet	direct
11 Dec - 17 Jan	easyJet	direct
17 Dec - 08 Jan	easyJet
13 Dec - 15 Jan	easyJet	direct
09 Dec - 15 Jan	easyJet	direct
31 Dec - 06 Jan	Ryanair

Also check the deals for one-way flights from Prague to Lisbon 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 Prague to Lisbon in December from 126€

Return flights