Cheapest return flights from Lisbon to Istanbul in September from 156€

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

Return flights

25 Sep - 30 Sep easyJet
25 Sep - 29 Sep easyJet
30 Sep - 06 Oct easyJet
24 Sep - 29 Sep easyJet
24 Sep - 30 Sep easyJet
17 Sep - 23 Sep easyJet
26 Sep - 29 Sep easyJet
30 Sep - 14 Oct easyJet
26 Sep - 30 Sep easyJet
24 Sep - 01 Oct Ryanair
18 Sep - 23 Sep easyJet
30 Sep - 08 Oct Ryanair
19 Sep - 18 Oct TAP
25 Sep - 02 Oct easyJet
17 Sep - 18 Oct Ryanair
23 Sep - 30 Sep easyJet
23 Sep - 06 Oct easyJet
25 Sep - 28 Sep easyJet
18 Sep - 02 Oct easyJet
20 Sep - 06 Oct easyJet

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

Skyscanner

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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