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

Return flights

26 May - 30 May	Lufthansa
18 May - 30 May	Lufthansa
05 May - 12 May	Lufthansa
27 May - 03 Jun	Wizz Air
09 May - 16 May	easyJet
18 May - 24 May	Wizz Air Malta
25 May - 06 Jun	Iberia
19 May - 21 May	Wizz Air Malta
05 May - 12 May	Turkish Airlines	direct
27 May - 03 Jun	Turkish Airlines	direct
25 May - 06 Jun	Turkish Airlines	direct
18 May - 30 May	Turkish Airlines	direct
18 May - 24 May	Turkish Airlines	direct
19 May - 21 May	Turkish Airlines	direct

Also check the deals for one-way flights from Barcelona to Istanbul 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 Barcelona to Istanbul in May from $243

Return flights