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

Return flights

30 Aug - 05 Sep	easyJet	direct
28 Aug - 05 Sep	easyJet	direct
27 Aug - 08 Sep	easyJet	direct
28 Aug - 08 Sep	easyJet	direct
29 Aug - 08 Sep	easyJet	direct
22 Aug - 06 Sep	easyJet	direct
22 Aug - 07 Sep	easyJet	direct
29 Aug - 04 Sep	easyJet	direct
29 Aug - 10 Sep	easyJet	direct
16 Aug - 17 Sep	easyJet	direct
22 Aug - 25 Aug	easyJet
21 Aug - 25 Aug	easyJet
23 Aug - 25 Aug	easyJet
20 Aug - 25 Aug	Vueling Airlines
05 Aug - 09 Aug	Iberia
20 Aug - 29 Aug	easyJet
22 Aug - 29 Aug	easyJet
05 Aug - 11 Aug	Iberia
18 Aug - 29 Aug	easyJet
28 Aug - 29 Aug	easyJet

Also check the deals for one-way flights from Paris to Lisbon 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 Paris to Lisbon in August from 125€

Return flights