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

Return flights

17 Jul - 22 Jul	SKY express
17 Jul - 31 Jul	SKY express
15 Jul - 22 Jul	SKY express
15 Jul - 31 Jul	SKY express
10 Jul - 12 Jul	SKY express
10 Jul - 15 Jul	SKY express
10 Jul - 22 Jul	SKY express
10 Jul - 31 Jul	SKY express
01 Jul - 12 Jul	SKY express
01 Jul - 03 Jul	SKY express
31 Jul - 12 Aug	SKY express
31 Jul - 05 Aug	SKY express
31 Jul - 16 Aug	SKY express
31 Jul - 02 Aug	SKY express
17 Jul - 05 Aug	SKY express
17 Jul - 02 Aug	SKY express
15 Jul - 02 Aug	SKY express
24 Jul - 12 Aug	SKY express
24 Jul - 05 Aug	SKY express
24 Jul - 02 Aug	SKY express

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 162€

Return flights