Cheap Flights from Bilbao (BIO) to Kos (KGS)

Popular airlines from Bilbao Airport (BIO) to Kos (KGS-Kos Island Intl.)

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Frequently asked questions

How much does a flight from Bilbao Airport (BIO) to Kos Island Intl. Airport (KGS) cost?
Lock in a cheap one-way flight or cheap return flight from Bilbao Airport (BIO) to Kos Island Intl. Airport (KGS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Bilbao Airport (BIO) to Kos Island Intl. Airport (KGS)?
Planning your getaway for can help you save, as it's the cheapest month for flights between BIO and KGS. You'll typically find the lowest prices during off-peak months.
What is the cheapest airline that flies from Bilbao Airport (BIO) to Kos Island Intl. Airport (KGS)?
Expedia's filter tool lets you easily compare different airlines, flight durations and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest BIO to KGS flight.
How many flights per day from Bilbao Airport (BIO) to Kos Island Intl. Airport (KGS)?
You'll have to book a flight with a layover if you're traveling from Bilbao Airport (BIO) to Kos Island Intl. Airport (KGS). There are no daily direct flights on this route. However, simply filter your search to include one or two stops to discover the best option for your trip.
What day of the week has the most flights from BIO to KGS?
You'll usually find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change 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 Bilbao Airport (BIO) to Kos Island Intl. Airport (KGS)?
To arrive at Kos Island Intl. Airport (KGS) without delays, select a flight that leaves from Bilbao Airport (BIO) before 3 PM. The chance 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 Kos Island Intl. Airport (KGS) last-minute?
Holding off until just before your departure to book a flight from BIO to KGS generally means paying more. Although you may find some last-minute discounts, they're not always guaranteed. Be flexible with your itinerary for a better chance of landing a bargain.
Is it cheaper to book a BIO to KGS flight and hotel package?
Compared with arranging flights and hotels separately, booking a BIO to KGS flight and hotel package with Expedia could result in significant savings. What's more, having everything in one easy place takes the hassle out of travel planning. Simply secure your flights and select from our extensive range of hotels, then customize your trip with extras like tours, car rentals and activities.
Can I cancel or change the date of my flight from Bilbao Airport (BIO) to Kos Island Intl. Airport (KGS)?
Generally, it's possible to cancel or reschedule your BIO to KGS flight. However, for bookings made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Origin airport
Bilbao
Destination airport
Kos Island Intl.
Distance
1638 mi

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Bilbao to Kos Flights

The cheapest times to fly from Bilbao to Kos

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

 

The best time to book a flight from Bilbao to Kos

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

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 Kos in 2025. You can also book with separate airlines for your outbound and return journeys, from 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 Kos 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 Kos 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.

 

Bilbao to Kos Flights

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*Available to One Key members.