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

Return flights

03 May - 30 May	Vueling Airlines	direct
27 May - 31 May	Vueling Airlines	direct
09 May - 11 May	Vueling Airlines	direct
05 May - 11 May	Vueling Airlines	direct
03 May - 11 May	Vueling Airlines	direct
03 May - 05 May	Vueling Airlines	direct
08 May - 11 May	Lufthansa
23 May - 30 May	Lufthansa
08 May - 11 May	Vueling Airlines	direct
26 May - 30 May	Vueling Airlines	direct

Also check the deals for one-way flights from Istanbul to Barcelona 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.

Book a cheap hotel in Barcelona

Cheap car rent in Barcelona

Cheapest return flights from Istanbul to Barcelona in May from 198€

Return flights