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

Return flights

29 Aug - 08 Sep	easyJet
29 Aug - 01 Sep	easyJet
29 Aug - 08 Sep	easyJet	direct
20 Aug - 27 Aug	easyJet
29 Aug - 31 Aug	easyJet
22 Aug - 29 Aug	easyJet	direct
22 Aug - 25 Aug	easyJet
20 Aug - 27 Aug	easyJet	direct
22 Aug - 25 Aug	easyJet	direct
06 Aug - 13 Aug	easyJet	direct
30 Aug - 04 Sep	Ryanair
27 Aug - 30 Aug	easyJet
29 Aug - 01 Sep	easyJet	direct
28 Aug - 09 Sep	Vueling Airlines
26 Aug - 09 Sep	Vueling Airlines
05 Aug - 08 Aug	Ryanair
20 Aug - 30 Aug	easyJet
27 Aug - 09 Sep	Vueling Airlines
28 Aug - 17 Sep	Vueling Airlines
03 Aug - 25 Sep	Wizz Air Malta

Also check the deals for one-way flights from Lisbon to Prague in August.

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 August from $151

Return flights