$473 Cheap Flights from Charlotte (CLT) to Bilbao (BIO)

View $473 flight on Wed, Nov 19, 2025Opens in a new window

Popular airlines from Charlotte-Douglas Intl. Airport (CLT) to Bilbao Airport (BIO)

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Find available prices by choosing your travel dates.

Cheap Flights from Charlotte to Bilbao (CLT-BIO)

Prices were available within the past 7 days and start at $473 for one-way flights and $618 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Tue, Sep 23 - Wed, Oct 8
CLT
Charlotte
BIO
Bilbao
$618 Roundtrip, found 6 days ago
$618
Roundtrip
found 6 days ago
Select United flight, departing Tue, Sep 23 from Charlotte to Bilbao, returning Wed, Oct 8, priced at $618 found 6 days ago
United
Tue, Sep 23 - Tue, Oct 14
CLT
Charlotte
BIO
Bilbao
$623 Roundtrip, found 6 days ago
$623
Roundtrip
found 6 days ago
Select United flight, departing Tue, Sep 23 from Charlotte to Bilbao, returning Tue, Oct 14, priced at $623 found 6 days ago
Lufthansa
Mon, Dec 29 - Tue, Feb 24
CLT
Charlotte
BIO
Bilbao
$636 Roundtrip, found 4 days ago
$636
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Mon, Dec 29 from Charlotte to Bilbao, returning Tue, Feb 24, priced at $636 found 4 days ago
United
Mon, Dec 29 - Tue, Feb 24
CLT
Charlotte
BIO
Bilbao
$640 Roundtrip, found 4 days ago
$640
Roundtrip
found 4 days ago
Select United flight, departing Mon, Dec 29 from Charlotte to Bilbao, returning Tue, Feb 24, priced at $640 found 4 days ago
Lufthansa
Mon, Dec 29 - Tue, Feb 24
CLT
Charlotte
BIO
Bilbao
$640 Roundtrip, found 4 days ago
$640
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Mon, Dec 29 from Charlotte to Bilbao, returning Tue, Feb 24, priced at $640 found 4 days ago
United
Mon, Dec 29 - Tue, Feb 24
CLT
Charlotte
BIO
Bilbao
$644 Roundtrip, found 4 days ago
$644
Roundtrip
found 4 days ago
Select United flight, departing Mon, Dec 29 from Charlotte to Bilbao, returning Tue, Feb 24, priced at $644 found 4 days ago
United
Mon, Dec 29 - Tue, Feb 24
CLT
Charlotte
BIO
Bilbao
$645 Roundtrip, found 4 days ago
$645
Roundtrip
found 4 days ago
Select United flight, departing Mon, Dec 29 from Charlotte to Bilbao, returning Tue, Feb 24, priced at $645 found 4 days ago
Air Canada
Mon, Dec 29 - Tue, Feb 24
CLT
Charlotte
BIO
Bilbao
$646 Roundtrip, found 4 days ago
$646
Roundtrip
found 4 days ago
Select Air Canada flight, departing Mon, Dec 29 from Charlotte to Bilbao, returning Tue, Feb 24, priced at $646 found 4 days ago
American Airlines
Wed, Sep 24 - Mon, Sep 29
CLT
Charlotte
BIO
Bilbao
$693 Roundtrip, found 6 days ago
$693
Roundtrip
found 6 days ago
Select American Airlines flight, departing Wed, Sep 24 from Charlotte to Bilbao, returning Mon, Sep 29, priced at $693 found 6 days ago
KLM
Mon, Dec 29 - Tue, Feb 24
CLT
Charlotte
BIO
Bilbao
$699 Roundtrip, found 4 days ago
$699
Roundtrip
found 4 days ago
Select KLM flight, departing Mon, Dec 29 from Charlotte to Bilbao, returning Tue, Feb 24, priced at $699 found 4 days ago
Flights from Charlotte (CLT) to Bilbao (BIO)
Origin airport
Charlotte-Douglas Intl.
Destination airport
Bilbao
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, Brussels Airlines, Delta, Finnair, Iberia, KLM, Lufthansa, Swiss International Air Lines, United
Roundtrip price
$618
Distance
4058 mi

Charlotte to Bilbao Flights

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

The best time to book a flight from Charlotte to Bilbao

Sunday is one of the best days to book for cheap flights from Charlotte 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 Charlotte 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 Charlotte to Bilbao in 2025. You can also book with separate airlines for your outbound and return journeys, from $473 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 Charlotte 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 Charlotte 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 Charlotte-Douglas Intl. Airport (CLT) to Bilbao Airport (BIO) cost?
Discover the latest flight deals from CLT to BIO by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from CLT to BIO?
The cheapest flights from CLT to BIO are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from CLT to BIO?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from CLT to BIO. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Charlotte-Douglas Intl. Airport (CLT) to Bilbao Airport (BIO)?
There aren’t any daily nonstop flights available from Charlotte-Douglas Intl. Airport (CLT) to Bilbao Airport (BIO). But you can book flights with layovers. Filter your search on Expedia to include one or two stops, and you’ll be cruising above the clouds in no time at all.
What day of the week has the most flights from CLT to BIO?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can vary based on a range of factors, such as the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Charlotte-Douglas Intl. Airport (CLT) to Bilbao Airport (BIO)?
Select a flight from Charlotte-Douglas Intl. Airport (CLT) to Bilbao Airport (BIO) that leaves before 3 PM to reduce the likelihood of delays and cancellations. Later departures are on average 22% more likely to be canceled.**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 Charlotte-Douglas Intl. Airport (CLT) to Bilbao Airport (BIO) last-minute?
Holding off until just before your trip to book your flight from CLT to BIO often results in higher prices. Although you may find some last-minute discounts, there’s no guarantee. Keep your travel schedule open for the best chance of scoring a bargain.
Is it cheaper to book a CLT to BIO flight and hotel package?
Compared with arranging flights and hotels separately, booking a CLT to BIO flight and hotel package with Expedia could lead to significant savings. What’s more, having everything in one place will take the hassle out of planning your trip. Just pick your flights and choose from our wide range of hotels, then personalize your trip with other add-ons like activities, tours and car rentals.
Can I cancel or change the date of my flight from Charlotte-Douglas Intl. Airport (CLT) to Bilbao Airport (BIO)?
Typically, it’s possible to reschedule or cancel your CLT to BIO flight. However, if it’s been more than 24 hours since booking, additional charges may apply. Check your airline’s policies in your itinerary to see what changes are allowed and whether any costs are involved. You’ll also find further details on our Customer Service portal.

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*Available to One Key members.