AirHint found the following cheapest one-way flights from Istanbul (IST) to Barcelona (BCN) in April 2026 (see full year).

One-Way flights

28 Apr	Aegean Airlines
13 Apr	Vueling Airlines	direct
23 Apr	Vueling Airlines	direct
09 Apr	Vueling Airlines	direct
22 Apr	Vueling Airlines	direct
10 Apr	Vueling Airlines	direct
12 Apr	Vueling Airlines	direct
29 Apr	Wizz Air UK
28 Apr	Vueling Airlines	direct
29 Apr	Vueling Airlines	direct

Also check the deals for return flights from Istanbul to Barcelona in April.

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 one-way flights from Istanbul to Barcelona in April from $89

One-Way flights