Cheapest return flights from Istanbul to Bilbao in April from $158

AirHint found the following cheapest return flights from Istanbul (SAW) to Bilbao (BIO) in April 2026 (see full year).

Return flights

01 Apr - 08 Apr Pegasus Airlines direct
30 Apr - 05 May Pegasus Airlines direct
01 Apr - 05 May Pegasus Airlines direct
14 Apr - 18 Apr Pegasus Airlines
16 Apr - 23 Apr AJet
20 Apr - 24 Apr Pegasus Airlines direct
15 Apr - 22 Apr Pegasus Airlines
25 Apr - 02 May Pegasus Airlines direct
14 Apr - 18 Apr Pegasus Airlines direct
15 Apr - 19 Apr Pegasus Airlines
15 Apr - 22 Apr Pegasus Airlines direct
16 Apr - 21 Apr AJet
02 Apr - 05 May Pegasus Airlines direct
16 Apr - 23 Apr Pegasus Airlines direct
30 Apr - 03 May Pegasus Airlines
30 Apr - 04 May Pegasus Airlines
30 Apr - 03 May Pegasus Airlines direct
30 Apr - 04 May Pegasus Airlines direct
03 Apr - 05 May AJet
03 Apr - 05 May Pegasus Airlines direct

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

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