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Only Turkish Airlines operates flights between Bilbao and Istanbul Airport.

Flights from Bilbao to Istanbul Airport usually depart from Bilbao (BIO) and arrive at Istanbul (IST).

Here are some options for this route, based on selected ticket types and cabin classes:

• Turkish Airlines: a cabin bag and a checked bag in Economy Class

Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

Only Economy Class is available on flights from Bilbao to Istanbul Airport.

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $160 round-trip via London Gatwick (LGW), compared to $415 for nonstop.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $63–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

The Airbus A321-100/200 family is used most often on this route, operated mainly by Pegasus Airlines. Other aircraft seen on the route include Airbus A321neo variants.

One-stop flights from Bilbao to Istanbul Airport most commonly connect through:

• Frankfurt am Main (FRA) - 52% of one-stop connections
• Barcelona-El Prat (BCN) - 14% of one-stop connections
• London Gatwick (LGW) - 13% of one-stop connections
• Amsterdam Schiphol (AMS) - 8% of one-stop connections

Frankfurt am Main (FRA) handles the largest share of one-stop connections on this route.

Yes. Being flexible with your travel dates can save you up to 15% on the Bilbao to Istanbul Airport route. Thursday is the cheapest departure day at $362 round-trip on average, while Sunday is the most expensive at $421, a difference of $59. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Bilbao to Istanbul Airport route, 8% of flights were delayed in the past 3 months, with delays averaging 1 hour 54 minutes.

Some of the most popular sights in Istanbul Airport are Taksim Square, Sultan Ahmet Camii and Ayasofya. These are among the most viewed places in Istanbul Airport on KAYAK.

These are the earliest and latest flight times available from Bilbao to Istanbul Airport:

• Earliest: departs at 11:55 am and lands at 4:01 pm
• Latest: departs at 6:25 pm and lands at 10:31 pm.

The flight takes about 4h 06m.

Last-minute fares on this route - booked within 2 weeks of departure - run 41% above the route average of $380. Book 18 weeks before departure for the lowest fares.

A nonstop flight from Bilbao to Istanbul Airport takes 4h 06m, covering 1,613 miles.

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $214 to $1,699. That means the highest observed fare was about 8x higher than the lowest one.

One-way fares from Bilbao to Istanbul Airport are currently lower than usual. Average one-way flight prices are about $137, which is 48% below the typical average for this route.

Turkish Airlines is the only airline operating Bilbao to Istanbul Airport flights. 92% of its flights are on time.

Afternoon flights have the fewest delays on this route. Delays tend to pile up throughout the day as one late flight pushes the next, so earlier departures are usually more reliable.

Flying via Munich Franz Josef Strauss (MUC) gives the shortest average 1-stop total travel time at 7h 25m, compared with 7h 36m via Paris Orly (ORY) and 7h 51m via Frankfurt am Main (FRA).

Istanbul Airport is 1 hour ahead of Bilbao (Turkey Time vs Central European Time). Plan for the time shift when scheduling connections or first-day activities.

Istanbul Airport (IST) hosts 5 major car rental companies, with daily rates starting from around $10 for economy cars. Top options include:
• CIRCULAR
• Avec Car Rental
• Ok Mobility
• Alamo
• Autounion Car Rental

Round-trip flights from Bilbao to Istanbul Airport range from $313 to $466, with an average of $380 over the past 12 months. Anything below $313 counts as a good deal.