Cheapest return flights from Bilbao to Istanbul in December from $200

Best time to book flights for Bilbao (BIO) to Istanbul (IST) flights at AirHint

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

Return flights

03 Dec - 07 Dec Vueling Airlines
01 Dec - 07 Dec Vueling Airlines
01 Dec - 04 Dec Vueling Airlines
03 Dec - 08 Dec Vueling Airlines
04 Dec - 08 Dec Iberia
24 Dec - 05 Jan Vueling Airlines
12 Dec - 16 Dec Vueling Airlines
30 Dec - 06 Jan Air France
27 Dec - 31 Dec KLM
29 Dec - 02 Jan Vueling Airlines
19 Dec - 28 Dec Lufthansa
21 Dec - 28 Dec Lufthansa
20 Dec - 29 Dec Lufthansa
25 Dec - 01 Jan Air France
27 Dec - 02 Jan Vueling Airlines
30 Dec - 04 Jan Vueling Airlines
24 Dec - 05 Jan Turkish Airlines direct
30 Dec - 06 Jan Turkish Airlines direct

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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