AirHint found the following cheapest return flights from Istanbul (SAW) to Barcelona (BCN) in December 2025 (see full year).

Return flights

17 Dec - 12 Jan	Pegasus Airlines
02 Dec - 10 Dec	Pegasus Airlines
02 Dec - 08 Dec	Pegasus Airlines
17 Dec - 13 Jan	Pegasus Airlines
19 Dec - 24 Dec	AJet
02 Dec - 06 Dec	AJet
19 Dec - 22 Dec	AJet
20 Dec - 26 Dec	AJet
01 Dec - 10 Dec	AJet
24 Dec - 29 Dec	AJet
15 Dec - 22 Dec	AJet
03 Dec - 06 Dec	AJet
26 Dec - 07 Jan	AJet
12 Dec - 12 Jan	AJet
20 Dec - 05 Jan	AJet
26 Dec - 05 Jan	AJet
24 Dec - 03 Jan	AJet
30 Dec - 02 Jan	AJet
30 Dec - 03 Jan	AJet
31 Dec - 04 Jan	Pegasus Airlines

Also check the deals for one-way flights from Istanbul to Barcelona 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 return flights from Istanbul to Barcelona in December from 122€

Return flights