Cheapest return flights from Istanbul to Lisbon in August from $295

Best time to book flights for Istanbul (IST) to Lisbon (LIS) flights at AirHint

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

Return flights

13 Aug - 20 Aug Pegasus Airlines
04 Aug - 12 Aug Lufthansa
01 Aug - 07 Aug Lufthansa
01 Aug - 15 Aug LOT
01 Aug - 08 Aug LOT
21 Aug - 28 Aug Lufthansa
01 Aug - 31 Aug Pegasus Airlines
25 Aug - 30 Aug Pegasus Airlines
04 Aug - 10 Aug Lufthansa
03 Aug - 10 Aug Lufthansa
25 Aug - 12 Sep Vueling Airlines
25 Aug - 11 Sep Vueling Airlines
22 Aug - 11 Sep Vueling Airlines
29 Aug - 12 Sep Vueling Airlines
29 Aug - 16 Sep Vueling Airlines
29 Aug - 17 Sep Vueling Airlines
29 Aug - 11 Sep Vueling Airlines
31 Aug - 12 Sep Vueling Airlines
31 Aug - 16 Sep Vueling Airlines
31 Aug - 17 Sep Vueling Airlines

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

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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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