$136 Cheap Flights from Cologne (CGN) to Bilbao (BIO)

View $136 flight on Thu, Nov 13, 2025Opens in a new window

Popular airlines from Cologne - Bonn Airport (CGN) to Bilbao Airport (BIO)

Cheap Flights from Cologne to Bilbao (CGN-BIO)

Prices were available within the past 7 days and start at $136 for one-way flights and $171 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Thu, Nov 13 - Wed, Nov 19
CGN
Cologne
BIO
Bilbao
$171 Roundtrip, found 6 days ago
$171
Roundtrip
found 6 days ago
Select Lufthansa flight, departing Thu, Nov 13 from Cologne to Bilbao, returning Wed, Nov 19, priced at $171 found 6 days ago
Lufthansa
Thu, Nov 13 - Wed, Nov 19
CGN
Cologne
BIO
Bilbao
$198 Roundtrip, found 6 days ago
$198
Roundtrip
found 6 days ago
Select Lufthansa flight, departing Thu, Nov 13 from Cologne to Bilbao, returning Wed, Nov 19, priced at $198 found 6 days ago
Lufthansa
Thu, Nov 13 - Wed, Nov 19
CGN
Cologne
BIO
Bilbao
$202 Roundtrip, found 6 days ago
$202
Roundtrip
found 6 days ago
Select Lufthansa flight, departing Thu, Nov 13 from Cologne to Bilbao, returning Wed, Nov 19, priced at $202 found 6 days ago
Lufthansa
Thu, Nov 13 - Wed, Nov 19
CGN
Cologne
BIO
Bilbao
$216 Roundtrip, found 6 days ago
$216
Roundtrip
found 6 days ago
Select Lufthansa flight, departing Thu, Nov 13 from Cologne to Bilbao, returning Wed, Nov 19, priced at $216 found 6 days ago
Lufthansa
Tue, Oct 28 - Tue, Nov 4
CGN
Cologne
BIO
Bilbao
$217 Roundtrip, found 4 days ago
$217
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Tue, Oct 28 from Cologne to Bilbao, returning Tue, Nov 4, priced at $217 found 4 days ago
Lufthansa
Thu, Nov 13 - Wed, Nov 19
CGN
Cologne
BIO
Bilbao
$223 Roundtrip, found 6 days ago
$223
Roundtrip
found 6 days ago
Select Lufthansa flight, departing Thu, Nov 13 from Cologne to Bilbao, returning Wed, Nov 19, priced at $223 found 6 days ago
Lufthansa
Tue, Oct 28 - Tue, Nov 4
CGN
Cologne
BIO
Bilbao
$226 Roundtrip, found 4 days ago
$226
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Tue, Oct 28 from Cologne to Bilbao, returning Tue, Nov 4, priced at $226 found 4 days ago
Lufthansa
Thu, Nov 13 - Wed, Nov 19
CGN
Cologne
BIO
Bilbao
$230 Roundtrip, found 6 days ago
$230
Roundtrip
found 6 days ago
Select Lufthansa flight, departing Thu, Nov 13 from Cologne to Bilbao, returning Wed, Nov 19, priced at $230 found 6 days ago
Lufthansa
Thu, Nov 20 - Thu, Nov 27
CGN
Cologne
BIO
Bilbao
$248 Roundtrip, found 17 hours ago
$248
Roundtrip
found 17 hours ago
Select Lufthansa flight, departing Thu, Nov 20 from Cologne to Bilbao, returning Thu, Nov 27, priced at $248 found 17 hours ago
Swiss International Air Lines
Thu, Nov 13 - Wed, Nov 19
CGN
Cologne
BIO
Bilbao
$292 Roundtrip, found 6 days ago
$292
Roundtrip
found 6 days ago
Select Swiss International Air Lines flight, departing Thu, Nov 13 from Cologne to Bilbao, returning Wed, Nov 19, priced at $292 found 6 days ago

Alternative airports near Bilbao

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Bilbao Airport BIO. Cheapest and Closest option available. Average driving time to city center is 13 minutes. Flights from $387
BIO
Bilbao Airport
CheapestClosest
Average driving time to city center13 min
Flights from $387
Flights from Cologne (CGN) to Bilbao (BIO)
Origin airport
Cologne - Bonn
Destination airport
Bilbao
Airlines serving
Lufthansa
Roundtrip price
$170
Distance
703 mi

Cologne to Bilbao Flights

The cheapest times to fly from Cologne to Bilbao

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

 

The best time to book a flight from Cologne to Bilbao

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

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 Cologne to Bilbao in 2025. You can also book with separate airlines for your outbound and return journeys, from $136 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 Cologne to Bilbao 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 Cologne to Bilbao 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 Cologne - Bonn Airport (CGN) to Bilbao Airport (BIO) cost?
Snag a cheap one-way flight from $136 or cheap return flight from $171 from Cologne - Bonn Airport (CGN) to Bilbao Airport (BIO) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Cologne - Bonn Airport (CGN) to Bilbao Airport (BIO)?
Planning your getaway for November is a good way to save, as it's the cheapest month for flights between CGN and BIO. You'll usually find the lowest fares during the off-season.
Which airlines fly direct from Cologne - Bonn Airport (CGN) to Bilbao Airport (BIO)?
You can't catch a direct flight to Bilbao Airport (BIO) from Cologne (CGN-Cologne - Bonn). However, you can arrive in Bilbao without any layovers by departing from Duesseldorf Intl. Airport (DUS).
What is the cheapest airline that flies from Cologne - Bonn Airport (CGN) to Bilbao Airport (BIO)?
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 CGN to BIO flight.
How many flights per day from Cologne - Bonn Airport (CGN) to Bilbao Airport (BIO)?
You'll have to take a flight with a layover when traveling from Cologne - Bonn Airport (CGN) to Bilbao Airport (BIO). There are no daily direct flights on this route. However, just filter your search to include one or more stops to find an option that works for you.
What day of the week has the most flights from CGN to BIO?
Usually you'll find the widest variety of flight choices on a Friday. Tuesdays are often the quietest.* But this can change based on the time of year, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Cologne - Bonn Airport (CGN) to Bilbao Airport (BIO)?
To touch down at Bilbao Airport (BIO) on schedule, pick a flight that leaves Cologne - Bonn Airport (CGN) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**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 Cologne - Bonn Airport (CGN) to Bilbao Airport (BIO) last-minute?
Booking your plane ticket from CGN to BIO just before your trip is typically more expensive. But if you're flexible with your departure times and dates, you could grab a cheap last-minute fare.
Is it cheaper to book a CGN to BIO flight and hotel package?
You'll generally save money by booking a CGN to BIO flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one place. Once you've chosen your ideal flights and accommodations, you can add extras like tours, car rentals and activities.
Can I cancel or change the date of my flight from Cologne - Bonn Airport (CGN) to Bilbao Airport (BIO)?
In most cases, you can cancel or modify your CGN to BIO flight. However, there may be additional charges, especially if you made your booking more than 24 hours ago. Check your itinerary for the airline's fees and rules on flight changes, or if you'd like more details, go to our Customer Service portal.

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Dortmund

*Available to One Key members.