Cheapest return flights from Bilbao to Istanbul in April from $166

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

Return flights

29 Apr - 07 May Pegasus Airlines direct
16 Apr - 20 Apr Pegasus Airlines direct
24 Apr - 27 Apr Pegasus Airlines direct
10 Apr - 19 Apr Pegasus Airlines direct
16 Apr - 19 Apr Pegasus Airlines direct
11 Apr - 19 Apr Pegasus Airlines direct
08 Apr - 19 Apr Pegasus Airlines direct
23 Apr - 27 Apr Pegasus Airlines direct
22 Apr - 28 Apr Pegasus Airlines
22 Apr - 29 Apr Pegasus Airlines direct
24 Apr - 29 Apr Pegasus Airlines direct
29 Apr - 05 May Pegasus Airlines
29 Apr - 05 May Pegasus Airlines direct
29 Apr - 04 May Pegasus Airlines direct
24 Apr - 03 May Pegasus Airlines direct
29 Apr - 04 May Pegasus Airlines
29 Apr - 03 May Pegasus Airlines direct
30 Apr - 05 May Air Europa
30 Apr - 04 May Air Europa
28 Apr - 04 May Pegasus Airlines direct

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

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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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