$336 Cheap British Airways flights Bilbao (BIO) to Kos (KGS)

View $336 flight on Wed, Sep 24, 2025Opens in a new window

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$336 Cheap British Airways flights Bilbao (BIO) to Kos (KGS)

Prices were available within the past 7 days and start at $336 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flights from Bilbao (BIO) to Kos (KGS)
Origin airport
Bilbao
Destination airport
Kos Island Intl.
Distance
1638 mi

Frequently asked questions

How much is a British Airways flight from Bilbao Airport (BIO) to Kos Island Intl. Airport (KGS)?
Make use of the "Price (lowest to highest)" filter on Expedia to find cheap British Airways round-trip flights from BIO to KGS. Affordable one-way fares from $336 are available too.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from BIO to KGS with British Airways?
Look for one-way or round-trip flights to Kos in December or February. You could find a cheap fare with British Airways during these quieter months.
What is the cheapest time to book flights from Bilbao Airport (BIO) to Kos Island Intl. Airport (KGS) with British Airways?
Look for British Airways flights from BIO to KGS about one month before you want to go. The most affordable time to reserve an international flight is generally 18 to 29 days ahead of your departure date when you can save 17% versus booking four to five months in advance. No matter your itinerary or ticket type, the best day to book international airfare is usually Sunday. Friday is often the most expensive. Passengers booking on a Sunday can save an average of 17% compared to those who book on a Friday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does British Airways fly nonstop from Bilbao Airport (BIO) to Kos Island Intl. Airport (KGS)?
Fill in your dates, hit search and check the "Nonstop" filter on Expedia to browse any direct flights from BIO to KGS with British Airways or other carriers.
What is the earliest British Airways flight from BIO to KGS?
Browse British Airways's earliest flights from BIO to KGS by using the "Morning" and "Early Morning" filters. Not only will you arrive at your destination sooner, early departures also experience 20% fewer cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does British Airways fly into in Kos?
Kos Island Intl. Airport (KGS) is the primary Kos hub for British Airways flights from Bilbao Airport (BIO).
What kind of luggage can I take on a British Airways flight from Bilbao Airport (BIO) to Kos Island Intl. Airport (KGS)?
For checked luggage, passengers can take 1 checked-in bag weighing up to 50 lb with dimensions not exceeding 29 inches x 15 inches x 16 inches. You can also bring 2 cabin bags on board when flying standard economy from BIO to KGS with British Airways. This carry-on should weigh less than 50 lb and be no bigger than 19 inches x 9 inches x 17 inches. Exceeding these restrictions can mean additional charges, so read British Airways's baggage allowance guidelines before you start packing.
Why fly with British Airways from BIO to KGS?
Taking off from BIO to KGS with British Airways means enjoying a host of benefits, such as a 4-star airline rating and an excellent in-flight experience. Plus, when booking through Expedia, One Key™ members can earn OneKeyCash™* to spend on select future travel purchases. That's in addition to the British Airways Executive Club points you can earn with British Airways.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my British Airways flight from Bilbao Airport (BIO) to Kos Island Intl. Airport (KGS)?
Depending on the type of ticket you purchased, a fee generally applies if you modify or cancel your flight more than 24 hours after it's confirmed. To secure flexible fares, select our "Changes included" or "No cancel fee" filter when you look for flights. For additional information on modifying or canceling your reservation, head to "Trips," select your flight and click on "Manage Booking."

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