Cheapest return flights from Lisbon to Istanbul in September from $235

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 September 2025 (see full year).

Return flights

20 Sep - 24 Sep easyJet
17 Sep - 24 Sep easyJet
23 Sep - 30 Sep easyJet
18 Sep - 22 Sep Pegasus Airlines
20 Sep - 28 Sep easyJet
19 Sep - 28 Sep easyJet
19 Sep - 26 Sep easyJet
10 Sep - 17 Sep easyJet
18 Sep - 28 Sep easyJet
16 Sep - 30 Sep easyJet
22 Sep - 04 Oct Pegasus Airlines
16 Sep - 04 Oct Vueling Airlines
24 Sep - 04 Oct Vueling Airlines
16 Sep - 01 Oct Vueling Airlines
24 Sep - 01 Oct Vueling Airlines
24 Sep - 08 Oct Vueling Airlines
24 Sep - 09 Oct Vueling Airlines
23 Sep - 04 Oct Vueling Airlines
23 Sep - 01 Oct Vueling Airlines
15 Sep - 04 Oct Vueling Airlines

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

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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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