Cheapest return flights from Lisbon to Istanbul in May from $291

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

Return flights

29 May - 02 Jun Air Europa
11 May - 23 May Air Europa
04 May - 17 May Air Europa
11 May - 20 May easyJet
04 May - 17 May Turkish Airlines direct
11 May - 23 May Turkish Airlines direct
29 May - 02 Jun Turkish Airlines direct

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

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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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