$127 Cheap Flights from Bilbao (BIO) to Istanbul (IST)

View $127 flight on Sat, Sep 6, 2025Opens in a new window

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

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Cheap Flights from Bilbao to Istanbul (BIO-IST)

Prices were available within the past 7 days and start at $127 for one-way flights and $256 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Sat, Nov 29 - Mon, Dec 8
BIO
Bilbao
IST
Istanbul
$256 Roundtrip, found 2 days ago
$256
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Sat, Nov 29 from Bilbao to Istanbul, returning Mon, Dec 8, priced at $256 found 2 days ago
Aegean
Fri, Oct 24 - Tue, Oct 28
BIO
Bilbao
IST
Istanbul
$266 Roundtrip, found 1 day ago
$266
Roundtrip
found 1 day ago
Select Aegean flight, departing Fri, Oct 24 from Bilbao to Istanbul, returning Tue, Oct 28, priced at $266 found 1 day ago
Lufthansa
Fri, Nov 7 - Tue, Nov 11
BIO
Bilbao
IST
Istanbul
$268 Roundtrip, found 3 days ago
$268
Roundtrip
found 3 days ago
Select Lufthansa flight, departing Fri, Nov 7 from Bilbao to Istanbul, returning Tue, Nov 11, priced at $268 found 3 days ago
Lufthansa
Tue, Sep 16 - Tue, Sep 23
BIO
Bilbao
IST
Istanbul
$299 Roundtrip, found 5 days ago
$299
Roundtrip
found 5 days ago
Select Lufthansa flight, departing Tue, Sep 16 from Bilbao to Istanbul, returning Tue, Sep 23, priced at $299 found 5 days ago
Aegean
Fri, Oct 24 - Tue, Oct 28
BIO
Bilbao
IST
Istanbul
$299 Roundtrip, found 1 day ago
$299
Roundtrip
found 1 day ago
Select Aegean flight, departing Fri, Oct 24 from Bilbao to Istanbul, returning Tue, Oct 28, priced at $299 found 1 day ago
Lufthansa
Sat, Nov 29 - Mon, Dec 8
BIO
Bilbao
IST
Istanbul
$301 Roundtrip, found 2 days ago
$301
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Sat, Nov 29 from Bilbao to Istanbul, returning Mon, Dec 8, priced at $301 found 2 days ago
Lufthansa
Tue, Sep 16 - Tue, Sep 23
BIO
Bilbao
IST
Istanbul
$309 Roundtrip, found 5 days ago
$309
Roundtrip
found 5 days ago
Select Lufthansa flight, departing Tue, Sep 16 from Bilbao to Istanbul, returning Tue, Sep 23, priced at $309 found 5 days ago
Vueling Airlines
Fri, Nov 7 - Tue, Nov 11
BIO
Bilbao
IST
Istanbul
$367 Roundtrip, found 3 days ago
$367
Roundtrip
found 3 days ago
Select Vueling Airlines flight, departing Fri, Nov 7 from Bilbao to Istanbul, returning Tue, Nov 11, priced at $367 found 3 days ago
Air Europa
Fri, Oct 24 - Tue, Oct 28
BIO
Bilbao
IST
Istanbul
$383 Roundtrip, found 1 day ago
$383
Roundtrip
found 1 day ago
Select Air Europa flight, departing Fri, Oct 24 from Bilbao to Istanbul, returning Tue, Oct 28, priced at $383 found 1 day ago
KLM
Tue, Jul 8 - Sat, Jul 12
BIO
Bilbao
IST
Istanbul
$484 Roundtrip, found 22 hours ago
$484
Roundtrip
found 22 hours ago
Select KLM flight, departing Tue, Jul 8 from Bilbao to Istanbul, returning Sat, Jul 12, priced at $484 found 22 hours ago
Flights from Bilbao (BIO) to Istanbul (IST)
Origin airport
Bilbao
Destination airport
Istanbul
Airlines serving
Aegean, Air Europa, Air France, Iberia, KLM, Lufthansa, Turkish Airlines, Vueling Airlines
Roundtrip price
$255
Distance
1614 mi
Average flight time
5 hours 5 mins

Bilbao to Istanbul Flights

The cheapest times to fly from Bilbao to Istanbul

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 Bilbao to Istanbul are during the month of November. You can find some of the cheapest flights from Bilbao to Istanbul with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Bilbao to Istanbul

Sunday is one of the best days to book for cheap flights from Bilbao to Istanbul: 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 Bilbao to Istanbul

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 Bilbao to Istanbul in 2025. You can also book with separate airlines for your outbound and return journeys, from $127 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 Bilbao to Istanbul 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 Bilbao to Istanbul 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 Bilbao Airport (BIO) to Istanbul (IST) cost?
Pick up cheap return tickets starting from $1149 from Bilbao Airport (BIO) to Istanbul (IST). This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Turkish Airlines flight leaving BIO on July 16 2025 and touching down at IST. The price was last updated on July 3 2025 and has not changed since.
What is the cheapest month to fly from BIO to IST?
The cheapest flights from BIO to IST are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from BIO to IST?
Take off from BIO to IST with Turkish Airlines. This airline currently has the cheapest one-way fare on this route, starting at $1172. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from BIO on August 17 2025. Prices were last updated on July 3 2025 and have not changed since.
How many flights per day from Bilbao Airport (BIO) to Istanbul (IST)?
Nonstop flights from Bilbao Airport (BIO) to Istanbul (IST) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your travel details and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from BIO to IST?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can change depending on a range of factors, such as the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What airline has the least delays from BIO to IST?
Turkish Airlines has the best performance for on-time direct flights from Bilbao Airport (BIO) to Istanbul (IST), with an on-time score of 92%. Use the Expedia App to see your journey status before you jet off and get immediate updates about any trip changes.
What is the best time to fly from Bilbao Airport (BIO) to Istanbul (IST)?
To touch down at Istanbul (IST) without delays, select a flight that leaves Bilbao Airport (BIO) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**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 Bilbao Airport (BIO) to Istanbul (IST) last-minute?
Waiting until just before your trip to book a flight from BIO to IST often results in higher prices. While it's possible to find some last-minute discounts, they're not always guaranteed. Keep your travel schedule open to boost your chances of landing a bargain.
Can I cancel or change the date of my flight from Bilbao Airport (BIO) to Istanbul (IST)?
In most cases, you can cancel or modify your BIO to IST flight. However, there may be additional fees, especially if you booked over 24 hours ago. Check your itinerary for the airline's fees and guidelines on flight changes, or if you'd like more details, head to our Customer Service portal.

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*Available to One Key members.