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Cheap flights from Bilbao (BIO) to Istanbul (IST)

BIO — IST
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

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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 October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Popular in

August

Cheapest in

February

Average price

$435

Good round-trip deal

$453 or less

Good one-way deal

$413 or less
Provider with most accurate pricing for Bilbao-Istanbul flight deals.
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Provider most trusted by Cheapflights users for Bilbao-Istanbul flights.
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Highest demand for flights based on searches. 15% potential increase in price ($72 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Price to beat on a round-trip flight from Bilbao to Istanbul.
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Price to beat on a one-way flight from Bilbao to Istanbul.
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Compare providers for flights from Bilbao to Istanbul

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Bilbao to Istanbul in October.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Bilbao-Istanbul Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Bilbao-Istanbul Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Bilbao-Istanbul Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Bilbao-Istanbul Airport flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Bilbao-Istanbul Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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?

Use this chart to determine the optimal time to book a round-trip flight from Bilbao to Istanbul. Price data was last updated on October 24, 2025.

The price you pay for your flight from Bilbao to Istanbul Airport may vary depending on when you book. For the best chance of a lower fare, look to book 68 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 $157). Flying from Bilbao to Istanbul Airport in July is currently the most expensive (average of $388). 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?

Find hourly flight availability from Bilbao to Istanbul. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2025.

When flying from Bilbao to Istanbul Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing Istanbul

Get insights into the airlines that provide service to Istanbul. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Istanbul. Reviews last updated October 30, 2025.
Peruse reviews from past customers who have flown with Turkish Airlines from Bilbao to Istanbul Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Turkish Airlines
7.3
Good
4,031 reviews

Overall

7.3

Boarding

7.3

Food

7.4

Crew

7.7

Entertainment

7.4

Comfort

7.3

Reviews

1 / 20
6.0
Good

Christina,Sep 2025

DTW - IST

Crew was fine but the plane seemed smaller like the seats were very crammed in for an international flight. I’m a small person and it felt suffocating to me.
Turkish Airlines
7.3
Good
4,031 reviews
Turkish Airlines
7.3
Good
4,031 reviews

Overall

7.3

Boarding

7.3

Food

7.4

Crew

7.7

Entertainment

7.4

Comfort

7.3

Reviews

1 / 20
6.0
Good

Christina,Sep 2025

DTW - IST

Crew was fine but the plane seemed smaller like the seats were very crammed in for an international flight. I’m a small person and it felt suffocating to me.

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.

  • What airport do you fly from for flights from Bilbao to Istanbul?

    Bilbao (BIO) is the airport you will fly out of if you book a flight from Bilbao to Istanbul. You should not have trouble finding flights to Istanbul from Bilbao; the airport handles an average of 0 outbound flights to Istanbul per day. You should also have plenty of airline options to choose from since 1 airline has flights from the Bilbao airport to Istanbul. It is only a 3.0 mi journey to Bilbao (BIO) from Bilbao’s city center.

  • What is the cheapest airline to fly from Bilbao to Istanbul Airport round-trip?

    Flying on Turkish Airlines is currently your cheapest option to Istanbul Airport, with prices starting at $293. Users have found that Turkish Airlines is 28% cheaper than the other options available to this destination.

  • Can I find deals for flights from Bilbao to Istanbul that include hotel bookings?

    Yes. In addition to deals on Bilbao to Istanbul flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Bilbao to Istanbul?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Bilbao to Istanbul.

  • Can I find deals for business class flights from Bilbao to Istanbul?

    Yes. Cheapflights offers flight deals from Bilbao to Istanbul by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • 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 $157). Flying from Bilbao to Istanbul Airport in July is currently the most expensive (average of $388). 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.

See more FAQs

Traveling to a place near Istanbul Airport?

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Yalova

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Top airline flying from Bilbao to Istanbul

Discover the top airline that operate flights from Bilbao to Istanbul. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$293Average$421FlexibilityNo cancel feeOn-time77%

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