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

One-Way flights

09 Dec	easyJet
10 Dec	Vueling Airlines
03 Dec	Vueling Airlines
08 Dec	Vueling Airlines
10 Dec	Vueling Airlines	direct
13 Dec	Vueling Airlines	direct
05 Dec	easyJet
08 Dec	Vueling Airlines	direct
09 Dec	Vueling Airlines	direct
07 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 54€

One-Way flights