AirHint found the following cheapest one-way flights from Barcelona (BCN) to Istanbul (IST) in December 2025 (see full year).

One-Way flights

10 Dec	Vueling Airlines
09 Dec	Vueling Airlines
16 Dec	Vueling Airlines
05 Dec	Wizz Air Malta
30 Dec	Wizz Air
09 Dec	Vueling Airlines	direct
11 Dec	Vueling Airlines	direct
03 Dec	Vueling Airlines	direct
04 Dec	Vueling Airlines	direct
10 Dec	Vueling Airlines	direct

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

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 Barcelona to Istanbul in December from $97

One-Way flights