Cheapest return flights from Lisbon to Istanbul in September from 201€

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

15 Sep - 22 Sep Vueling Airlines
16 Sep - 24 Sep easyJet
11 Sep - 17 Sep easyJet
17 Sep - 24 Sep easyJet
11 Sep - 18 Sep easyJet
09 Sep - 16 Sep Vueling Airlines
06 Sep - 14 Sep Air France
20 Sep - 27 Sep easyJet
19 Sep - 30 Sep easyJet
24 Sep - 12 Oct easyJet
27 Sep - 30 Sep easyJet
27 Sep - 01 Oct easyJet
20 Sep - 05 Oct easyJet
24 Sep - 02 Oct Vueling Airlines
29 Sep - 02 Oct Vueling Airlines
12 Sep - 02 Oct Vueling Airlines
16 Sep - 02 Oct Vueling Airlines
17 Sep - 02 Oct Vueling Airlines
24 Sep - 11 Oct Vueling Airlines
24 Sep - 09 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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