$298 Cheap Flights from Bilbao (BIO) to Washington (DCA)

View $298 flight on Tue, Mar 10, 2026Opens in a new window

Popular airlines from Bilbao Airport (BIO) to Ronald Reagan Washington National Airport (DCA)

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Cheap Flights from Bilbao to Washington (BIO-DCA)

Prices were available within the past 7 days and start at $298 for one-way flights and $424 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Iberia
Sat, Jan 24 - Wed, Jan 28
BIO
Bilbao
DCA
Washington
$424 Roundtrip, found 6 days ago
$424
Roundtrip
found 6 days ago
Select Iberia flight, departing Sat, Jan 24 from Bilbao to Washington, returning Wed, Jan 28, priced at $424 found 6 days ago
Iberia
Mon, Feb 9 - Thu, May 7
BIO
Bilbao
DCA
Washington
$434 Roundtrip, found 11 hours ago
$434
Roundtrip
found 11 hours ago
Select Iberia flight, departing Mon, Feb 9 from Bilbao to Washington, returning Thu, May 7, priced at $434 found 11 hours ago
Iberia
Mon, Feb 9 - Thu, May 7
BIO
Bilbao
DCA
Washington
$457 Roundtrip, found 11 hours ago
$457
Roundtrip
found 11 hours ago
Select Iberia flight, departing Mon, Feb 9 from Bilbao to Washington, returning Thu, May 7, priced at $457 found 11 hours ago
Iberia
Mon, Apr 6 - Sun, Apr 12
BIO
Bilbao
DCA
Washington
$504 Roundtrip, found 2 days ago
$504
Roundtrip
found 2 days ago
Select Iberia flight, departing Mon, Apr 6 from Bilbao to Washington, returning Sun, Apr 12, priced at $504 found 2 days ago
Iberia
Mon, Apr 6 - Sun, Apr 12
BIO
Bilbao
DCA
Washington
$527 Roundtrip, found 2 days ago
$527
Roundtrip
found 2 days ago
Select Iberia flight, departing Mon, Apr 6 from Bilbao to Washington, returning Sun, Apr 12, priced at $527 found 2 days ago
Iberia
Fri, Mar 13 - Fri, Mar 20
BIO
Bilbao
DCA
Washington
$528 Roundtrip, found 9 hours ago
$528
Roundtrip
found 9 hours ago
Select Iberia flight, departing Fri, Mar 13 from Bilbao to Washington, returning Fri, Mar 20, priced at $528 found 9 hours ago
Air Canada
Fri, Mar 13 - Sun, Mar 22
BIO
Bilbao
DCA
Washington
$660 Roundtrip, found 9 hours ago
$660
Roundtrip
found 9 hours ago
Select Air Canada flight, departing Fri, Mar 13 from Bilbao to Washington, returning Sun, Mar 22, priced at $660 found 9 hours ago
Finnair
Sat, Jan 24 - Wed, Jan 28
BIO
Bilbao
DCA
Washington
$719 Roundtrip, found 6 days ago
$719
Roundtrip
found 6 days ago
Select Finnair flight, departing Sat, Jan 24 from Bilbao to Washington, returning Wed, Jan 28, priced at $719 found 6 days ago
TAP Portugal
Sat, Mar 14 - Sat, Mar 21
BIO
Bilbao
DCA
Washington
$923 Roundtrip, found 8 hours ago
$923
Roundtrip
found 8 hours ago
Select TAP Portugal flight, departing Sat, Mar 14 from Bilbao to Washington, returning Sat, Mar 21, priced at $923 found 8 hours ago
United
Fri, Jul 24 - Tue, Aug 4
BIO
Bilbao
DCA
Washington
$1,066 Roundtrip, found 23 hours ago
$1,066
Roundtrip
found 23 hours ago
Select United flight, departing Fri, Jul 24 from Bilbao to Washington, returning Tue, Aug 4, priced at $1,066 found 23 hours ago

Alternative airports near Washington

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

Select flight to Washington Dulles Intl. IAD. Cheapest option available. Average driving time to city center is 36 minutes. Flights from $564
IAD
Washington Dulles Intl.
Cheapest
Average driving time to city center36 min
Flights from $564
Flights from Bilbao (BIO) to Washington (DCA)
Origin airport
Bilbao
Destination airport
Ronald Reagan Washington National
Airlines serving
Air Canada, Air France, American Airlines, Delta, Iberia, KLM, TAP Portugal, United
Roundtrip price
$424
Distance
3743 mi

Bilbao to Washington Flights

The cheapest times to fly from Bilbao to Washington

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

 

The best time to book a flight from Bilbao to Washington

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

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 Washington in 2026. You can also book with separate airlines for your outbound and return journeys, from $298 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 Washington 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 Washington 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 Bilbao Airport (BIO) to Ronald Reagan Washington National Airport (DCA) cost?
Lock in a cheap one-way flight from $298 or cheap return flight from $424 from Bilbao Airport (BIO) to Ronald Reagan Washington National Airport (DCA) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Bilbao Airport (BIO) to Ronald Reagan Washington National Airport (DCA)?
Planning your trip for January may help you find better deals, as it's the cheapest month for flights between BIO and DCA. You'll usually find the lowest prices during the off-season.
What is the cheapest airline that flies from Bilbao Airport (BIO) to Ronald Reagan Washington National Airport (DCA)?
Expedia's filter tool lets you easily compare different airlines, flight durations and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest BIO to DCA flight.
How many flights per day from Bilbao Airport (BIO) to Ronald Reagan Washington National Airport (DCA)?
You'll need to take a flight with a layover if you're traveling from Bilbao Airport (BIO) to Ronald Reagan Washington National Airport (DCA). Direct flights don't operate daily on this route. However, simply filter your search to include one or more stops to find the best option for your trip.
What day of the week has the most flights from BIO to DCA?
Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can change based on a number of factors, such as the carrier 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 Bilbao Airport (BIO) to Ronald Reagan Washington National Airport (DCA)?
To avoid possible delays on the Bilbao Airport (BIO) to Ronald Reagan Washington National Airport (DCA) route, travel before 3 PM. Departures after this time 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 Bilbao Airport (BIO) to Ronald Reagan Washington National Airport (DCA) last-minute?
Last-minute bookings from BIO to DCA are typically more expensive. To lock in the cheapest rates, start looking for flights as early as possible. That being said, if your travel plans are flexible, you may land a cheap ticket just before your departure.
Is it cheaper to book a BIO to DCA flight and hotel package?
You'll generally save money by securing a BIO to DCA 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. After selecting your preferred flights and accommodations, you can add extras such as activities, tours and car rentals.
Can I cancel or change the date of my flight from Bilbao Airport (BIO) to Ronald Reagan Washington National Airport (DCA)?
If you booked your BIO to DCA flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you'd like more information.

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*Available to One Key members.