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

Return flights

06 Oct - 13 Oct	Pegasus Airlines
06 Oct - 12 Oct	Pegasus Airlines
19 Oct - 23 Oct	Pegasus Airlines
10 Oct - 21 Oct	Pegasus Airlines
12 Oct - 22 Oct	Pegasus Airlines
16 Oct - 17 Oct	Pegasus Airlines
15 Oct - 19 Oct	Pegasus Airlines
01 Oct - 05 Oct	Pegasus Airlines
01 Oct - 06 Oct	Pegasus Airlines
14 Oct - 16 Oct	Pegasus Airlines
31 Oct - 03 Nov	Pegasus Airlines

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

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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Cheapest return flights from Istanbul to Lisbon in October from $208

Return flights