Cheap flights from Bilbao to Istanbul Airport from £55
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/1. Fares are subject to change and may not be available on all flights or dates of travel.
Find flight deals from Bilbao to Istanbul
Cheapest flights from Bilbao to IstanbulExplore the most affordable flight options available from Bilbao to Istanbul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 24 October 2025.
Explore the most affordable flight options available from Bilbao to Istanbul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 24 October 2025.
Cheap flight deals from Bilbao to Istanbul
Discover tips and strategies to find the most affordable flight options for your journey from Bilbao (BIO) to Istanbul (IST). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 24 October 2025.
Round-trip from | £175 |
|---|---|
One-way from | £55 |
Popular in | August |
Cheapest in | February |
Average price | £326 |
Good round-trip deal | £465 or less |
Good one-way deal | £335 or less |
Cheapflights Fare Finder
Use the filters below to find and compare flights from Bilbao to Istanbul Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
BilbaoIstanbul
BIO - IST
BIOIST
Bilbao
Thu 26/2
06:45-22:45
1 stop14h 00m
Istanbul
Wed 4/3
19:00-23:20
1 stop6h 20m
BilbaoIstanbul
BIO - IST
BIOIST
Bilbao
Mon 8/12
07:25-22:45
2 stops13h 20m
Istanbul
Wed 17/12
19:00-23:20
1 stop6h 20m
BilbaoIstanbul
BIO - IST
BIOIST
Bilbao
Thu 29/1
06:50-16:55
1 stop8h 05m
Istanbul
Sat 31/1
04:50-17:20
1 stop14h 30m
BilbaoIstanbul
BIO - IST
BIOIST
Bilbao
Tue 24/2
06:45-22:45
1 stop14h 00m
Istanbul
Fri 6/3
19:00-10:50
2 stops17h 50m
BilbaoIstanbul
BIO - IST
BIOIST
Bilbao
Wed 25/2
07:25-22:45
2 stops13h 20m
Istanbul
Wed 4/3
19:00-10:50
2 stops17h 50m
BilbaoIstanbul
BIO - IST
BIOIST
Bilbao
Thu 26/2
18:50-22:45
2 stops25h 55m
Istanbul
Thu 5/3
19:00-23:20
1 stop6h 20m
BilbaoIstanbul
BIO - IST
BIOIST
Bilbao
Mon 23/3
12:50-22:45
1 stop7h 55m
Istanbul
Tue 24/3
19:00-12:05
1 stop19h 05m
BilbaoIstanbul
BIO - IST
BIOIST
Bilbao
Fri 28/11
12:00-18:05
Nonstop4h 05m
Istanbul
Mon 1/12
08:40-11:00
Nonstop4h 20m
BilbaoIstanbul
BIO - IST
BIOIST
Bilbao
Sun 9/11
07:25-22:45
2 stops13h 20m
Istanbul
Thu 13/11
19:00-23:20
1 stop6h 20m
BilbaoIstanbul
BIO - IST
BIOIST
Bilbao
Wed 25/2
17:10-23:15
Nonstop4h 05m
Istanbul
Wed 4/3
13:50-16:10
Nonstop4h 20m
Best time to book a flight from Bilbao to Istanbul
Have a flexible travel schedule? Discover the best time to fly to Istanbul from Bilbao with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Bilbao to Istanbul Airport
How far ahead should I book a flight from Bilbao to Istanbul Airport?
Booking 68 days in advance of your planned departure date is, on average, the best time to get cheap flights from Bilbao to Istanbul Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Bilbao to Istanbul Airport?
Currently, December is the cheapest month in which you can book a flight from Bilbao to Istanbul Airport (average of £117). Flying from Bilbao to Istanbul Airport in July is currently the most expensive (average of £291). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from BIO to IST?
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Bilbao to Istanbul Airport as you normally would.
How often are flights from Bilbao to Istanbul delayed?
About 9% of weekly flights between Bilbao and Istanbul have experienced delays in the past year, with the average delay time being 116 minutes.
What is the most punctual flight time for Bilbao to Istanbul flights?
Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Wednesday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Bilbao to Istanbul flights?
Over the past year, Turkish Airlines have had the lowest number of delays on this route, with just 9% of flights being delayed.
Related info for your journey
Find useful and relevant information for your journey from Bilbao to Istanbul. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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How does Cheapflights help users find flights from Bilbao to Istanbul?
Cheapflights makes it easy to find Bilbao to Istanbul flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.
Why should you use Cheapflights to find cheap flight tickets from Bilbao to Istanbul?
It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Bilbao to Istanbul.
Can Cheapflights find flights from Bilbao to Istanbul with no change fees?
Cheapflights does show flights with no change fees to all users. To see these options for flights from Bilbao to Istanbul, users can toggle the no change fees filter when performing a flight search.
Can Cheapflights notify me if prices for flights from Bilbao to Istanbul become cheaper?
Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Istanbul from Bilbao today and book when prices fit your budget.