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

Return flights

26 Aug - 16 Sep	easyJet	direct
22 Aug - 13 Sep	easyJet	direct
20 Aug - 11 Sep	easyJet	direct
28 Aug - 09 Sep	easyJet	direct
25 Aug - 15 Sep	easyJet	direct
23 Aug - 07 Sep	easyJet	direct
27 Aug - 07 Sep	easyJet	direct
22 Aug - 07 Sep	easyJet	direct
19 Aug - 11 Sep	easyJet
21 Aug - 08 Sep	easyJet	direct
26 Aug - 31 Aug	easyJet
30 Aug - 31 Aug	easyJet
11 Aug - 12 Aug	easyJet	direct
29 Aug - 31 Aug	easyJet
25 Aug - 31 Aug	easyJet
18 Aug - 31 Aug	easyJet
11 Aug - 13 Aug	easyJet	direct
16 Aug - 20 Aug	Air France
15 Aug - 20 Aug	Air France
24 Aug - 27 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 109€

Return flights