$135 Cheap Flights from Istanbul (IST) to Bilbao (BIO)

View $135 flight on Thu, Oct 16, 2025Opens in a new window

Popular airlines from Istanbul Airport (IST) to Bilbao Airport (BIO)

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Cheap Flights from Istanbul to Bilbao (IST-BIO)

Prices were available within the past 7 days and start at $135 for one-way flights and $230 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Wed, Jan 21 - Sun, Feb 1
IST
Istanbul
BIO
Bilbao
$230 Roundtrip, found 3 days ago
$230
Roundtrip
found 3 days ago
Select Lufthansa flight, departing Wed, Jan 21 from Istanbul to Bilbao, returning Sun, Feb 1, priced at $230 found 3 days ago
Lufthansa
Wed, Jan 21 - Sun, Feb 1
IST
Istanbul
BIO
Bilbao
$252 Roundtrip, found 3 days ago
$252
Roundtrip
found 3 days ago
Select Lufthansa flight, departing Wed, Jan 21 from Istanbul to Bilbao, returning Sun, Feb 1, priced at $252 found 3 days ago
Lufthansa
Wed, Jan 21 - Sun, Feb 1
IST
Istanbul
BIO
Bilbao
$258 Roundtrip, found 3 days ago
$258
Roundtrip
found 3 days ago
Select Lufthansa flight, departing Wed, Jan 21 from Istanbul to Bilbao, returning Sun, Feb 1, priced at $258 found 3 days ago
Air France
Sat, Feb 28 - Wed, Mar 18
IST
Istanbul
BIO
Bilbao
$259 Roundtrip, found 4 days ago
$259
Roundtrip
found 4 days ago
Select Air France flight, departing Sat, Feb 28 from Istanbul to Bilbao, returning Wed, Mar 18, priced at $259 found 4 days ago
Lufthansa
Wed, Jan 21 - Sun, Feb 1
IST
Istanbul
BIO
Bilbao
$261 Roundtrip, found 3 days ago
$261
Roundtrip
found 3 days ago
Select Lufthansa flight, departing Wed, Jan 21 from Istanbul to Bilbao, returning Sun, Feb 1, priced at $261 found 3 days ago
KLM
Mon, Feb 16 - Tue, Mar 3
IST
Istanbul
BIO
Bilbao
$264 Roundtrip, found 4 days ago
$264
Roundtrip
found 4 days ago
Select KLM flight, departing Mon, Feb 16 from Istanbul to Bilbao, returning Tue, Mar 3, priced at $264 found 4 days ago
Air France
Sat, Feb 28 - Tue, Mar 17
IST
Istanbul
BIO
Bilbao
$265 Roundtrip, found 4 days ago
$265
Roundtrip
found 4 days ago
Select Air France flight, departing Sat, Feb 28 from Istanbul to Bilbao, returning Tue, Mar 17, priced at $265 found 4 days ago
Air France
Sat, Nov 22 - Mon, Dec 8
IST
Istanbul
BIO
Bilbao
$267 Roundtrip, found 4 days ago
$267
Roundtrip
found 4 days ago
Select Air France flight, departing Sat, Nov 22 from Istanbul to Bilbao, returning Mon, Dec 8, priced at $267 found 4 days ago
Aegean
Fri, Oct 10 - Fri, Oct 17
IST
Istanbul
BIO
Bilbao
$366 Roundtrip, found 12 hours ago
$366
Roundtrip
found 12 hours ago
Select Aegean flight, departing Fri, Oct 10 from Istanbul to Bilbao, returning Fri, Oct 17, priced at $366 found 12 hours ago
Air Europa
Sat, Nov 1 - Wed, Nov 12
IST
Istanbul
BIO
Bilbao
$385 Roundtrip, found 3 days ago
$385
Roundtrip
found 3 days ago
Select Air Europa flight, departing Sat, Nov 1 from Istanbul to Bilbao, returning Wed, Nov 12, priced at $385 found 3 days ago

Alternative airports near Bilbao

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Bilbao Airport BIO. Cheapest and Closest option available. Average driving time to city center is 13 minutes. Flights from $506
BIO
Bilbao Airport
CheapestClosest
Average driving time to city center13 min
Flights from $506
Flights from Istanbul (IST) to Bilbao (BIO)
Origin airport
Istanbul
Destination airport
Bilbao
Roundtrip price
$230
Distance
1614 mi
Average flight time
3 hours 17 mins

Istanbul to Bilbao Flights

The cheapest times to fly from Istanbul to Bilbao

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Istanbul to Bilbao are during the month of January. You can find some of the cheapest flights from Istanbul to Bilbao with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Istanbul to Bilbao

Sunday is one of the best days to book for cheap flights from Istanbul to Bilbao: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Istanbul to Bilbao

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Istanbul to Bilbao in 2025. You can also book with separate airlines for your outbound and return journeys, from $135 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Istanbul to Bilbao flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Istanbul to Bilbao airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Istanbul (IST) to Bilbao Airport (BIO) cost?
Lock in a cheap one-way flight from $135 or cheap return flight from $230 from Istanbul (IST) to Bilbao Airport (BIO) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Istanbul (IST) to Bilbao Airport (BIO)?
January is the most affordable month to fly from IST to BIO. Traveling during an off-peak travel window is often the key to finding a great deal.
Which airlines fly direct from Istanbul (IST) to Bilbao Airport (BIO)?
There aren't any direct flights from Istanbul (IST) to Bilbao Airport (BIO). However, there are other airports with nonstop flights. Board your plane at Ataturk Intl. Airport (IST) and fly straight to Bilbao without layovers.
What is the cheapest airline that flies from Istanbul (IST) to Bilbao Airport (BIO)?
To find the cheapest airline flying from IST to BIO, use Expedia's filter tool. Tailor your search based on what matters most to you, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Istanbul (IST) to Bilbao Airport (BIO)?
There aren't any daily nonstop flights departing from Istanbul (IST) to Bilbao Airport (BIO). But you can book flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be soaring above the clouds in no time at all.
What day of the week has the most flights from IST to BIO?
You'll usually find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Istanbul (IST) to Bilbao Airport (BIO)?
To avoid possible delays on the Istanbul (IST) to Bilbao Airport (BIO) route, aim to fly before 3 PM. Later departures have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Istanbul (IST) to Bilbao Airport (BIO) last-minute?
Waiting until just before your trip to book your flight from IST to BIO generally means paying more. Although you may find some last-minute offers, there's no guarantee. Keep your travel schedule open for the best chance of landing a bargain.
Is it cheaper to book an IST to BIO flight and hotel package?
Compared with arranging hotels and flights separately, booking an IST to BIO flight and hotel package with Expedia could lead to significant savings. Better still, having everything in one easy place will take the stress out of travel planning. Just secure your flights and choose from our wide range of stays, then personalize your trip with extras like activities and car rentals.
Can I cancel or change the date of my flight from Istanbul (IST) to Bilbao Airport (BIO)?
If you reserved your IST to BIO flight within the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the type of fare you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you want more information.

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*Available to One Key members.