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

Return flights

15 Jul - 22 Jul	SKY express
01 Jul - 08 Jul	SKY express
01 Jul - 10 Jul	SKY express
01 Jul - 06 Jul	SKY express
01 Jul - 12 Jul	Transavia France
06 Jul - 12 Jul	Transavia France
28 Jul - 04 Aug	Aegean Airlines
06 Jul - 19 Jul	Aegean Airlines
03 Jul - 19 Jul	Air Europa
11 Jul - 18 Jul	Aegean Airlines
01 Jul - 08 Jul	Turkish Airlines	direct
28 Jul - 04 Aug	Turkish Airlines	direct

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

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 July from $188

Return flights