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

Return flights

31 Dec - 08 Jan	Ryanair
31 Dec - 07 Jan	Ryanair
31 Dec - 11 Jan	Ryanair
31 Dec - 05 Jan	Ryanair
31 Dec - 06 Jan	Ryanair
28 Dec - 14 Jan	Ryanair
30 Dec - 08 Jan	easyJet	direct
30 Dec - 27 Jan	easyJet	direct
30 Dec - 10 Jan	easyJet
31 Dec - 02 Jan	Ryanair
27 Dec - 30 Dec	Ryanair
27 Dec - 28 Dec	Brussels Airlines
28 Dec - 30 Dec	SWISS
28 Dec - 31 Dec	Ryanair
31 Dec - 31 Dec	Smart Wings
27 Dec - 29 Dec	Brussels Airlines
27 Dec - 31 Dec	Brussels Airlines
27 Dec - 30 Dec	easyJet	direct
28 Dec - 29 Dec	SWISS
28 Dec - 30 Dec	TAP	direct

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 146€

Return flights