Cheapest return flights from Lisbon to Istanbul in September from $228

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

17 Sep - 24 Sep easyJet
11 Sep - 29 Sep easyJet
20 Sep - 04 Oct easyJet
26 Sep - 29 Sep easyJet
25 Sep - 29 Sep easyJet
24 Sep - 28 Sep easyJet
16 Sep - 25 Sep easyJet
25 Sep - 28 Sep easyJet
02 Sep - 29 Sep easyJet
19 Sep - 27 Sep easyJet
20 Sep - 26 Sep easyJet
21 Sep - 04 Oct easyJet
26 Sep - 08 Oct Vueling Airlines
26 Sep - 09 Oct Vueling Airlines
26 Sep - 01 Oct Vueling Airlines
11 Sep - 01 Oct Vueling Airlines
16 Sep - 01 Oct Vueling Airlines
23 Sep - 08 Oct Vueling Airlines
24 Sep - 08 Oct Vueling Airlines
26 Sep - 13 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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