$423 Cheap Flights from Baltimore (BWI) to Bilbao (BIO)

View $423 flight on Tue, Feb 17, 2026Opens in a new window

Popular airlines from Baltimore Washington Intl. Airport (BWI) to Bilbao Airport (BIO)

Cheap Flights from Baltimore to Bilbao (BWI-BIO)

Prices were available within the past 7 days and start at $423 for one-way flights and $485 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Dec 30 - Wed, Jan 14
BWI
Baltimore
BIO
Bilbao
$485 Roundtrip, found 1 day ago
$485
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Dec 30 from Baltimore to Bilbao, returning Wed, Jan 14, priced at $485 found 1 day ago
Delta
Mon, Feb 16 - Thu, Mar 5
BWI
Baltimore
BIO
Bilbao
$491 Roundtrip, found 1 day ago
$491
Roundtrip
found 1 day ago
Select Delta flight, departing Mon, Feb 16 from Baltimore to Bilbao, returning Thu, Mar 5, priced at $491 found 1 day ago
United
Sat, Jan 17 - Fri, Jan 30
BWI
Baltimore
BIO
Bilbao
$498 Roundtrip, found 1 day ago
$498
Roundtrip
found 1 day ago
Select United flight, departing Sat, Jan 17 from Baltimore to Bilbao, returning Fri, Jan 30, priced at $498 found 1 day ago
Delta
Tue, Jan 6 - Mon, Jan 26
BWI
Baltimore
BIO
Bilbao
$504 Roundtrip, found 1 day ago
$504
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Jan 6 from Baltimore to Bilbao, returning Mon, Jan 26, priced at $504 found 1 day ago
United
Tue, Feb 17 - Thu, Mar 5
BWI
Baltimore
BIO
Bilbao
$508 Roundtrip, found 4 days ago
$508
Roundtrip
found 4 days ago
Select United flight, departing Tue, Feb 17 from Baltimore to Bilbao, returning Thu, Mar 5, priced at $508 found 4 days ago
Delta
Tue, Dec 30 - Mon, Jan 12
BWI
Baltimore
BIO
Bilbao
$511 Roundtrip, found 1 day ago
$511
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Dec 30 from Baltimore to Bilbao, returning Mon, Jan 12, priced at $511 found 1 day ago
United
Sat, Jan 31 - Thu, Feb 12
BWI
Baltimore
BIO
Bilbao
$516 Roundtrip, found 1 day ago
$516
Roundtrip
found 1 day ago
Select United flight, departing Sat, Jan 31 from Baltimore to Bilbao, returning Thu, Feb 12, priced at $516 found 1 day ago
Scandinavian Airlines
Sun, Nov 9 - Fri, Nov 14
BWI
Baltimore
BIO
Bilbao
$525 Roundtrip, found 3 days ago
$525
Roundtrip
found 3 days ago
Select Scandinavian Airlines flight, departing Sun, Nov 9 from Baltimore to Bilbao, returning Fri, Nov 14, priced at $525 found 3 days ago
Air France
Tue, Feb 17 - Thu, Mar 5
BWI
Baltimore
BIO
Bilbao
$544 Roundtrip, found 4 days ago
$544
Roundtrip
found 4 days ago
Select Air France flight, departing Tue, Feb 17 from Baltimore to Bilbao, returning Thu, Mar 5, priced at $544 found 4 days ago
KLM
Tue, Feb 17 - Thu, Mar 5
BWI
Baltimore
BIO
Bilbao
$544 Roundtrip, found 4 days ago
$544
Roundtrip
found 4 days ago
Select KLM flight, departing Tue, Feb 17 from Baltimore to Bilbao, returning Thu, Mar 5, priced at $544 found 4 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 $1,298
BIO
Bilbao Airport
CheapestClosest
Average driving time to city center13 min
Flights from $1,298

Frequently asked questions

How much does a flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Bilbao Airport (BIO) cost?
Snag a cheap one-way flight from $423 or cheap return flight from $485 from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Bilbao Airport (BIO) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Bilbao Airport (BIO)?
The cheapest month to fly from BWI to BIO is December, when there's less demand. Off-peak season is usually when you'll find lower airfares between these airports.
What is the cheapest airline that flies from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Bilbao Airport (BIO)?
Use the filter tool on Expedia to compare different airlines and find the most affordable carrier that'll fly you from BWI to BIO. Then, sort your results by "Price (lowest to highest)" to snap up a good deal.
How many flights per day from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Bilbao Airport (BIO)?
There aren't any daily direct flights from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Bilbao Airport (BIO). But you can opt for flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be soaring above the clouds before you know it.
What day of the week has the most flights from BWI to BIO?
Generally you'll find the most flight options available on a Friday. Tuesdays are often the quietest.* But this can vary 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 Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Bilbao Airport (BIO)?
To avoid possible delays on the Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Bilbao Airport (BIO) route, aim to fly before 3 PM. Later departures have a 22% higher chance of being 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 Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Bilbao Airport (BIO) last-minute?
Last-minute fares from BWI to BIO are typically more expensive. To secure the lowest rates, start looking for flights well in advance. That said, if you're flexible with your travel dates, you may score a cheap ticket just before your departure.
Is it cheaper to book a BWI to BIO flight and hotel package?
Compared with arranging hotels and flights separately, booking a BWI to BIO flight and hotel package with Expedia could lead to significant savings. What's more, having it all in one place will take the hassle out of travel planning. Simply secure your flights and choose from our extensive range of stays, then tailor your trip with extras like car rentals and activities.
Can I cancel or change the date of my flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Bilbao Airport (BIO)?
In most cases, you can reschedule or cancel your BWI to BIO flight. However, there may be additional fees, especially if you booked over 24 hours ago. Check your itinerary for the airline's fees and rules on flight changes, or if you need more information, go to our Customer Service portal.

Travel information

Travel information

Origin airport
Baltimore Washington Intl. Thurgood Marshall
Destination airport
Bilbao
Airlines serving
Aer Lingus, Air France, American Airlines, Delta, Iberia, KLM, United
Roundtrip price
$485
Distance
3714 mi

Book with confidence

Book with confidence

Baltimore to Bilbao Flights

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

 

The best time to book a flight from Baltimore to Bilbao

Sunday is one of the best days to book for cheap flights from Baltimore 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 Baltimore 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 Baltimore to Bilbao in 2025. You can also book with separate airlines for your outbound and return journeys, from $423 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 Baltimore 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 Baltimore 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.

 

Baltimore to Bilbao Flights

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*Available to One Key members.