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

Return flights

30 Jul - 06 Aug	KLM
31 Jul - 07 Aug	KLM
31 Jul - 03 Aug	KLM
31 Jul - 05 Aug	KLM
30 Jul - 03 Aug	KLM
29 Jul - 02 Aug	KLM
29 Jul - 03 Aug	KLM
29 Jul - 04 Aug	Lufthansa
29 Jul - 30 Jul	Lufthansa
29 Jul - 05 Aug	KLM
28 Jul - 02 Aug	Air France
28 Jul - 31 Jul	Air France
27 Jul - 28 Jul	Lufthansa
27 Jul - 31 Jul	KLM
28 Jul - 30 Jul	KLM
27 Jul - 30 Jul	KLM
28 Jul - 30 Jul	easyJet	direct
27 Jul - 29 Jul	TAP	direct
27 Jul - 28 Jul	TAP	direct
29 Jul - 30 Jul	TAP	direct

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

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 July from $285

Return flights