Cheapest return flights from Bilbao to Istanbul in December from $149

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

Return flights

17 Dec - 24 Dec Pegasus Airlines direct
17 Dec - 21 Dec Pegasus Airlines direct
17 Dec - 22 Dec Pegasus Airlines direct
31 Dec - 11 Jan Pegasus Airlines
17 Dec - 23 Dec Pegasus Airlines
17 Dec - 20 Dec Pegasus Airlines
31 Dec - 06 Jan Pegasus Airlines
17 Dec - 02 Jan Pegasus Airlines direct
31 Dec - 02 Jan Pegasus Airlines direct
29 Dec - 09 Jan Vueling Airlines
16 Dec - 21 Dec Wizz Air
17 Dec - 31 Dec Pegasus Airlines
31 Dec - 05 Jan Pegasus Airlines
18 Dec - 22 Dec Vueling Airlines
18 Dec - 21 Dec Vueling Airlines
24 Dec - 26 Dec Volotea
31 Dec - 03 Jan Pegasus Airlines
24 Dec - 07 Jan Volotea
31 Dec - 04 Jan Pegasus Airlines
28 Dec - 07 Jan Vueling Airlines

Also check the deals for one-way flights from Bilbao to Istanbul in December.

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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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