Cheap flights from Washington, D.C. to Bilbao

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Flight deals from Washington, D.C. to Bilbao

Looking for a cheap last-minute deal or the best round-trip flight from Washington, D.C. to Bilbao Airport? If you want to travel next month, round-trip fares start from $776. Find the lowest prices on one-way and round-trip tickets right here.

Bilbao.$633 per passenger.Departing Tue, Sep 1, returning Tue, Sep 22.Round-trip flight with Icelandair and Vueling Airlines.Outbound indirect flight with Icelandair, departing from Washington Dulles on Tue, Sep 1, arriving in Bilbao.Inbound indirect flight with Vueling Airlines, departing from Bilbao on Tue, Sep 22, arriving in Baltimore Washington International.Price includes taxes and charges.From $633, select.

Bilbao.$651 per passenger.Departing Wed, Aug 5, returning Wed, Aug 12.Round-trip flight with Frontier Airlines and Wizz Air UK.Outbound indirect flight with Frontier Airlines, departing from Baltimore Washington International on Wed, Aug 5, arriving in Bilbao.Inbound indirect flight with Wizz Air UK, departing from Bilbao on Wed, Aug 12, arriving in Washington Ronald Reagan.Price includes taxes and charges.From $651, select.

Bilbao.$657 per passenger.Departing Tue, Sep 1, returning Thu, Oct 1.Round-trip flight with Icelandair and Wizz Air UK.Outbound indirect flight with Icelandair, departing from Washington Dulles on Tue, Sep 1, arriving in Bilbao.Inbound indirect flight with Wizz Air UK, departing from Bilbao on Thu, Oct 1, arriving in Baltimore Washington International.Price includes taxes and charges.From $657, select.

Bilbao.$658 per passenger.Departing Fri, Aug 28, returning Fri, Sep 4.Round-trip flight with Icelandair and Iberia.Outbound indirect flight with Icelandair, departing from Washington Dulles on Fri, Aug 28, arriving in Bilbao.Inbound indirect flight with Iberia, departing from Bilbao on Fri, Sep 4, arriving in Washington Ronald Reagan.Price includes taxes and charges.From $658, select.

Bilbao.$675 per passenger.Departing Tue, Oct 6, returning Tue, Oct 13.Round-trip flight with TAP Air Portugal and Iberia.Outbound indirect flight with TAP Air Portugal, departing from Washington Dulles on Tue, Oct 6, arriving in Bilbao.Inbound indirect flight with Iberia, departing from Bilbao on Tue, Oct 13, arriving in Washington Dulles.Price includes taxes and charges.From $675, select.

Bilbao.$694 per passenger.Departing Wed, Jul 22, returning Sun, Jan 10.Round-trip flight with Frontier Airlines and Iberia.Outbound indirect flight with Frontier Airlines, departing from Washington Dulles on Wed, Jul 22, arriving in Bilbao.Inbound indirect flight with Iberia, departing from Bilbao on Sun, Jan 10, arriving in Washington Dulles.Price includes taxes and charges.From $694, select.

Bilbao.$703 per passenger.Departing Sun, Apr 4, returning Sat, Apr 17.Round-trip flight with TAP Air Portugal.Outbound indirect flight with TAP Air Portugal, departing from Washington Dulles on Sun, Apr 4, arriving in Bilbao.Inbound indirect flight with TAP Air Portugal, departing from Bilbao on Sat, Apr 17, arriving in Washington Dulles.Price includes taxes and charges.From $703, select.

Bilbao.$705 per passenger.Departing Thu, Dec 10, returning Mon, Jan 11.Round-trip flight with TAP Air Portugal.Outbound indirect flight with TAP Air Portugal, departing from Washington Dulles on Thu, Dec 10, arriving in Bilbao.Inbound indirect flight with TAP Air Portugal, departing from Bilbao on Mon, Jan 11, arriving in Washington Dulles.Price includes taxes and charges.From $705, select.

Bilbao.$707 per passenger.Departing Sun, Oct 25, returning Sun, Nov 1.Round-trip flight with TAP Air Portugal and Iberia.Outbound indirect flight with TAP Air Portugal, departing from Washington Dulles on Sun, Oct 25, arriving in Bilbao.Inbound indirect flight with Iberia, departing from Bilbao on Sun, Nov 1, arriving in Washington Dulles.Price includes taxes and charges.From $707, select.

Bilbao.$735 per passenger.Departing Mon, Feb 1, returning Wed, Feb 10.Round-trip flight with Finnair.Outbound indirect flight with Finnair, departing from Washington Dulles on Mon, Feb 1, arriving in Bilbao.Inbound indirect flight with Finnair, departing from Bilbao on Wed, Feb 10, arriving in Washington Dulles.Price includes taxes and charges.From $735, select.

Bilbao.$776 per passenger.Departing Mon, Jul 13, returning Wed, Jul 22.Round-trip flight with Frontier Airlines and Air Europa.Outbound indirect flight with Frontier Airlines, departing from Baltimore Washington International on Mon, Jul 13, arriving in Bilbao.Inbound indirect flight with Air Europa, departing from Bilbao on Wed, Jul 22, arriving in Washington Dulles.Price includes taxes and charges.From $776, select.

Bilbao.$791 per passenger.Departing Sat, Aug 1, returning Thu, Oct 22.Round-trip flight with Frontier Airlines and Vueling Airlines.Outbound indirect flight with Frontier Airlines, departing from Washington Dulles on Sat, Aug 1, arriving in Bilbao.Inbound indirect flight with Vueling Airlines, departing from Bilbao on Thu, Oct 22, arriving in Washington Dulles.Price includes taxes and charges.From $791, select.

Bilbao.$804 per passenger.Departing Tue, Jul 28, returning Tue, Aug 4.Round-trip flight with Frontier Airlines and Wizz Air UK.Outbound indirect flight with Frontier Airlines, departing from Baltimore Washington International on Tue, Jul 28, arriving in Bilbao.Inbound indirect flight with Wizz Air UK, departing from Bilbao on Tue, Aug 4, arriving in Washington Ronald Reagan.Price includes taxes and charges.From $804, select.

Bilbao.$1,068 per passenger.Departing Sun, Dec 20, returning Sun, Dec 27.Round-trip flight with Delta.Outbound indirect flight with Delta, departing from Washington Ronald Reagan on Sun, Dec 20, arriving in Bilbao.Inbound indirect flight with Delta, departing from Bilbao on Sun, Dec 27, arriving in Washington Ronald Reagan.Price includes taxes and charges.From $1,068, select.

Bilbao.$1,112 per passenger.Departing Tue, Jun 23, returning Tue, Jun 30.Round-trip flight with jetBlue and Vueling Airlines.Outbound indirect flight with jetBlue, departing from Washington Ronald Reagan on Tue, Jun 23, arriving in Bilbao.Inbound indirect flight with Vueling Airlines, departing from Bilbao on Tue, Jun 30, arriving in Washington Dulles.Price includes taxes and charges.From $1,112, select.

Bilbao.$1,171 per passenger.Departing Wed, Jun 24, returning Wed, Jul 1.Round-trip flight with United.Outbound indirect flight with United, departing from Washington Dulles on Wed, Jun 24, arriving in Bilbao.Inbound indirect flight with United, departing from Bilbao on Wed, Jul 1, arriving in Washington Dulles.Price includes taxes and charges.From $1,171, select.

Find the cheapest month to fly from Washington, D.C. to Bilbao

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Washington, D.C. to Bilbao flights are currently cheapest in September.

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Washington, D.C. to Bilbao: Alternative routes

Compare routes from Washington, D.C. to Bilbao below. You may find an airport to fly into that's cheaper, faster, or easier than Bilbao.

Washington, D.C. to Bilbao: Flight information

The things to know before you go.

Cheapest flight found	$633
Cheapest month to fly	September

Finding cheap flights from Washington, D.C. to Bilbao: Frequently asked questions

How much are round-trip flights from Washington, D.C. to Bilbao?

The best price we found for a round-trip flight from Washington, D.C. to Bilbao is $633. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

Which airlines fly direct from Washington, D.C. to Bilbao?

Currently, there are no airlines that fly direct from Washington, D.C. to Bilbao. But we found flights with one stop from $633.

How many flights are there a week from Washington, D.C. to Bilbao?

There are no flights flying from Washington, D.C. to Bilbao, as of June 2026.

When is the cheapest time to fly from Washington, D.C. to Bilbao?

The cheapest month to fly from Washington, D.C. to Bilbao is usually September.

Which upcoming date is cheapest to fly from Washington, D.C. to Bilbao Airport on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Washington, D.C. to Bilbao Airport on Tuesday, September 1, 2026.

Can I get a direct flight from Washington, D.C. to Bilbao Airport?

No airlines currently offer direct flights between Washington, D.C. and Bilbao Airport. Most routes have one or more stops.

How can I find the best flight deal to Bilbao?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Bilbao but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to Bilbao?

We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Bilbao is around 40 days in advance, so don’t leave your flight to the last minute.

Which is the cheapest airline to fly with from Washington, D.C. to Bilbao?

The cheapest airline that flies to Bilbao is Icelandair.

Traveling from Washington DC to Bilbao Airport (BIO): What you need to know

Bilbao is six hours ahead of Washington DC. Bilbao Airport is located in Bilbao, which operates on the UTC+1 timezone.
Arriving two hours before an international flight and one hour ahead of a domestic departure are tried-and-true travel tips. Make sure you're at the airport on time to catch your flight from Washington DC to BIO.
July is a busy month for traveling. If you're heading away then or around a major holiday like Christmas or Thanksgiving, turn up even earlier. Aim for at least two hours ahead for domestic flights and up to four hours for international journeys.

Airports in Washington DC

Ronald Reagan Washington National Airport (DCA)

Located around 6 kilometers from the center of Washington DC, DCA can be reached in about 10 minutes by car, depending on traffic. The journey by public transport takes roughly 25 minutes.
Searching for a convenient hotel close to Ronald Reagan Washington National Airport? If you've booked an early flight from Washington DC to Bilbao Airport, these stays will have you sleeping moments from check-in:
When it comes to the on-time performance of Ronald Reagan Washington National Airport, 71% of flights arrive within the expected time frame.
You'll find DCA at 1 Aviation Circle.

Washington Dulles International Airport (IAD)

Break up your flight from Washington DC to Bilbao Airport with a stop so you can stretch your legs or cross another place off your list. Popular stopovers between Washington Dulles International Airport and BIO include:
- Amsterdam Schiphol Airport (AMS)
- Paris Charles de Gaulle Airport (CDG)
- Barcelona-El Prat Airport (BCN)
IAD is around 40 kilometers from central Washington DC. It'll take you 45 minutes or so to get to the airport driving from the city center. Public transport takes approximately 1 hour 10 minutes.
Get a head start on your vacation with an extra night away from home. Before your Washington DC to BIO flight, stay in one of these hotels close to Washington Dulles International Airport:
Washington Dulles International Airport has an on-time performance rate of 77%. This figure highlights how frequently flights that take off from this airport reach their destination on schedule.
The street address for IAD is 1 Saarinen Circle.

Baltimore Washington International Airport (BWI)

The journey time to BWI from the center of Washington DC is around 50 minutes by public transport. If you're in a car, it'll take you roughly 40 minutes to cover the 48 kilometers or so.
Sleep a little longer, move a little slower, and still make your Washington DC to Bilbao Airport flight without having to rush. These accommodation options near Baltimore Washington International Airport make getting to the terminal a breeze if you're jetting off early:
Flights that take off from BWI arrive at their destination within the scheduled time frame 77% of the time.

About Bilbao Airport (BIO)

If you have a late flight from Washington DC to Bilbao Airport, few things beat the convenience of staying near the terminal. Pick up your luggage at baggage claim and then be showered and snoozing not long after at one of these options near BIO:
Booking your ride around four weeks in advance of your Washington DC to Bilbao Airport flight can help you find the best deal.

Getting from Bilbao Airport (BIO) to central Bilbao

Bilbao Airport is around 11 kilometers from the center of Bilbao. It takes around 15 minutes or so to drive to the city.
Traveling by public transport takes about 30 minutes.

How to find the cheapest flights from Washington DC to Bilbao Airport (BIO)

The lowest price we've found for a one-way ticket from Washington DC to Bilbao Airport is $249. For a return flight on this route, the best price is $633. Depending on the availability and when you book, these fares could change.
Don't leave things to the last moment. You're more likely to find cheap flights from Washington DC to BIO if you book in advance. Airlines often offer some excellent early bird discounts.
Cheap Washington DC to Bilbao Airport tickets are easier to find if your travel dates are flexible. Try using the 'Whole month' search tool to compare fares across each month and then choose the cheapest day.
Never miss a deal on plane tickets from Washington DC to BIO by setting up a Price Alert. We'll send you an email or notification through the app when a lower fare pops up.
Tailor your flights using filters. Choose your preferred arrival and departure times, total journey duration and airlines. You can also sort the results by 'Cheapest,' 'Best' or 'Fastest' flights from Washington DC to Bilbao Airport.

The best time to fly from Washington DC to Bilbao Airport (BIO)

January is the quietest month for flights from Washington DC to Bilbao Airport (BIO), while May is the busiest. Find the best time to visit Bilbao based on whether you prefer a laid-back vibe or a lively atmosphere.
Before locking in your Washington DC to BIO plane ticket, consider what kind of weather you prefer. August is the warmest month in Bilbao, with temperatures ranging from 16ºC (61ºF) to 26ºC (79ºF).
If you like cooler conditions, look for a cheap ticket from Washington DC to Bilbao Airport in January when temperatures are between 5ºC (41ºF) and 13ºC (55ºF).

More about Bilbao

Start your Bilbao trip off on the right foot by choosing the perfect place to stay. Once you've booked your flight from Washington DC to Bilbao Airport, browse our selection of hotels including:
There are so many things to see and do in this city, it can be hard to work out where to begin. Guggenheim, Bilbao Fine Arts Museum and Bilboko Donejakue katedrala are top sights which should feature on any good Bilbao itinerary.

Explore more of Spain

You've seen Bilbao, now it's time to explore other corners of Spain. Travel about 241 kilometers southeast to Zaragoza to check off its must-visit sights. From Plaza del Pilar to La Seo del Salvador and Basílica de Nuestra Senora del Pilar, your itinerary will be busy.
If you're ready to explore another corner of Spain, consider Arévalo, about 290 kilometers southwest of Bilbao. Iglesia San Martin, Plaza de la Constitución and Monasterio de Santa María la Real - Trapa Arévalo are key reasons to visit.