AirHint found the following cheapest return flights from Istanbul (SAW) to Lisbon (LIS) in May 2026 (see full year).

Return flights

06 May - 09 May	Pegasus Airlines
20 May - 03 Jun	Pegasus Airlines
18 May - 21 May	Pegasus Airlines
12 May - 15 May	Pegasus Airlines
08 May - 11 May	Pegasus Airlines
13 May - 16 May	Pegasus Airlines
09 May - 12 May	Pegasus Airlines
04 May - 07 May	Pegasus Airlines
05 May - 08 May	Pegasus Airlines
18 May - 25 May	Pegasus Airlines
27 May - 03 Jun	Pegasus Airlines
14 May - 17 May	Pegasus Airlines
31 May - 06 Jun	Pegasus Airlines

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

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 May from 190€

Return flights