Cheapest return flights from Lisbon to Istanbul in August from $289

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

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

Return flights

26 Aug - 02 Sep KLM
26 Aug - 03 Sep Ryanair
28 Aug - 08 Sep TAP
30 Aug - 06 Sep easyJet
30 Aug - 07 Sep easyJet
30 Aug - 05 Sep easyJet
12 Aug - 19 Aug Turkish Airlines direct
20 Aug - 28 Aug easyJet
20 Aug - 28 Aug Turkish Airlines direct
11 Aug - 19 Aug Lufthansa
07 Aug - 21 Aug Lufthansa
26 Aug - 02 Sep Turkish Airlines direct
30 Aug - 06 Sep Turkish Airlines direct
25 Aug - 31 Aug Ryanair
22 Aug - 28 Aug easyJet
11 Aug - 19 Aug Turkish Airlines direct
16 Aug - 28 Aug Turkish Airlines direct
28 Aug - 08 Sep Turkish Airlines direct
02 Aug - 09 Aug Turkish Airlines direct
26 Aug - 03 Sep Turkish Airlines direct

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