Cheapest return flights from Bilbao to Istanbul in April from 194€

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

Return flights

24 Apr - 29 Apr Vueling Airlines
10 Apr - 15 Apr Lufthansa
24 Apr - 03 May Vueling Airlines
24 Apr - 27 Apr Vueling Airlines
02 Apr - 05 Apr Air Europa
03 Apr - 06 Apr Air Europa
02 Apr - 06 Apr Air Europa
20 Apr - 24 Apr Vueling Airlines
25 Apr - 02 May Vueling Airlines
01 Apr - 12 Apr Air Europa
04 Apr - 12 Apr Air Europa
02 Apr - 07 Apr Air Europa
30 Apr - 03 May Vueling Airlines
25 Apr - 02 May Turkish Airlines direct

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

Skyscanner

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.

Book a cheap hotel in Istanbul

Cheap car rent in Istanbul

Feel free to contact us with any feedback or request another flight research.