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561 € Cheap Flights from Washington Dulles to Bilbao

Compare Washington Dulles to Bilbao flight deals

Find the cheapest month or even day of the year to fly to Bilbao

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Flight deals from Washington Dulles to Bilbao

Looking for a cheap last-minute deal or the best return flight from Washington Dulles Airport to Bilbao Airport? If you want to travel next month, return fares start from 673 €. Find the lowest prices on one-way and return tickets right here.
Bilbao.561 € per passenger.Departing Fri, 28 May, returning Sat, 5 Jun.Return flight with Royal Air Maroc.Outbound indirect flight with Royal Air Maroc, departs from Washington Dulles on Fri, 28 May, arriving in Bilbao.Inbound indirect flight with Royal Air Maroc, departs from Bilbao on Sat, 5 Jun, arriving in Washington Dulles.Price includes taxes and charges.From 561 €, select.
Bilbao.567 € per passenger.Departing Tue, 1 Sep, returning Sat, 26 Sep.Return flight with Icelandair and Wizz Air UK.Outbound indirect flight with Icelandair, departs from Washington Dulles on Tue, 1 Sep, arriving in Bilbao.Inbound indirect flight with Wizz Air UK, departs from Bilbao on Sat, 26 Sep, arriving in Washington Dulles.Price includes taxes and charges.From 567 €, select.
Bilbao.573 € per passenger.Departing Tue, 1 Sep, returning Thu, 1 Oct.Return flight with Icelandair and Wizz Air UK.Outbound indirect flight with Icelandair, departs from Washington Dulles on Tue, 1 Sep, arriving in Bilbao.Inbound indirect flight with Wizz Air UK, departs from Bilbao on Thu, 1 Oct, arriving in Washington Dulles.Price includes taxes and charges.From 573 €, select.
Bilbao.577 € per passenger.Departing Mon, 27 Jul, returning Mon, 3 Aug.Return flight with Breeze Airways and Wizz Air UK.Outbound indirect flight with Breeze Airways, departs from Washington Dulles on Mon, 27 Jul, arriving in Bilbao.Inbound indirect flight with Wizz Air UK, departs from Bilbao on Mon, 3 Aug, arriving in Washington Dulles.Price includes taxes and charges.From 577 €, select.
Bilbao.586 € per passenger.Departing Wed, 22 Jul, returning Sun, 8 Nov.Return flight with Frontier Airlines and Vueling Airlines.Outbound indirect flight with Frontier Airlines, departs from Washington Dulles on Wed, 22 Jul, arriving in Bilbao.Inbound indirect flight with Vueling Airlines, departs from Bilbao on Sun, 8 Nov, arriving in Washington Dulles.Price includes taxes and charges.From 586 €, select.
Bilbao.593 € per passenger.Departing Tue, 6 Oct, returning Tue, 13 Oct.Return flight with TAP Air Portugal and Iberia.Outbound indirect flight with TAP Air Portugal, departs from Washington Dulles on Tue, 6 Oct, arriving in Bilbao.Inbound indirect flight with Iberia, departs from Bilbao on Tue, 13 Oct, arriving in Washington Dulles.Price includes taxes and charges.From 593 €, select.
Bilbao.599 € per passenger.Departing Wed, 19 Aug, returning Wed, 26 Aug.Return flight with Icelandair and Wizz Air UK.Outbound indirect flight with Icelandair, departs from Washington Dulles on Wed, 19 Aug, arriving in Bilbao.Inbound indirect flight with Wizz Air UK, departs from Bilbao on Wed, 26 Aug, arriving in Washington Dulles.Price includes taxes and charges.From 599 €, select.
Bilbao.604 € per passenger.Departing Mon, 17 Aug, returning Tue, 1 Sep.Return flight with TAP Air Portugal.Outbound indirect flight with TAP Air Portugal, departs from Washington Dulles on Mon, 17 Aug, arriving in Bilbao.Inbound indirect flight with TAP Air Portugal, departs from Bilbao on Tue, 1 Sep, arriving in Washington Dulles.Price includes taxes and charges.From 604 €, select.
Bilbao.605 € per passenger.Departing Wed, 22 Jul, returning Sun, 10 Jan.Return flight with Frontier Airlines and Iberia.Outbound indirect flight with Frontier Airlines, departs from Washington Dulles on Wed, 22 Jul, arriving in Bilbao.Inbound indirect flight with Iberia, departs from Bilbao on Sun, 10 Jan, arriving in Washington Dulles.Price includes taxes and charges.From 605 €, select.
Bilbao.607 € per passenger.Departing Sun, 7 Feb, returning Wed, 17 Feb.Return flight with TAP Air Portugal.Outbound indirect flight with TAP Air Portugal, departs from Washington Dulles on Sun, 7 Feb, arriving in Bilbao.Inbound indirect flight with TAP Air Portugal, departs from Bilbao on Wed, 17 Feb, arriving in Washington Dulles.Price includes taxes and charges.From 607 €, select.
Bilbao.613 € per passenger.Departing Sun, 4 Apr, returning Sat, 17 Apr.Return flight with TAP Air Portugal.Outbound indirect flight with TAP Air Portugal, departs from Washington Dulles on Sun, 4 Apr, arriving in Bilbao.Inbound indirect flight with TAP Air Portugal, departs from Bilbao on Sat, 17 Apr, arriving in Washington Dulles.Price includes taxes and charges.From 613 €, select.
Bilbao.627 € per passenger.Departing Sun, 25 Oct, returning Sun, 1 Nov.Return flight with TAP Air Portugal and Iberia.Outbound indirect flight with TAP Air Portugal, departs from Washington Dulles on Sun, 25 Oct, arriving in Bilbao.Inbound indirect flight with Iberia, departs from Bilbao on Sun, 1 Nov, arriving in Washington Dulles.Price includes taxes and charges.From 627 €, select.
Bilbao.637 € per passenger.Departing Mon, 9 Nov, returning Thu, 19 Nov.Return flight with Delta.Outbound indirect flight with Delta, departs from Washington Dulles on Mon, 9 Nov, arriving in Bilbao.Inbound indirect flight with Delta, departs from Bilbao on Thu, 19 Nov, arriving in Washington Dulles.Price includes taxes and charges.From 637 €, select.
Bilbao.673 € per passenger.Departing Mon, 13 Jul, returning Wed, 22 Jul.Return flight with Icelandair and Vueling Airlines.Outbound indirect flight with Icelandair, departs from Washington Dulles on Mon, 13 Jul, arriving in Bilbao.Inbound indirect flight with Vueling Airlines, departs from Bilbao on Wed, 22 Jul, arriving in Washington Dulles.Price includes taxes and charges.From 673 €, select.
Bilbao.690 € per passenger.Departing Sat, 1 Aug, returning Thu, 22 Oct.Return flight with Frontier Airlines and Vueling Airlines.Outbound indirect flight with Frontier Airlines, departs from Washington Dulles on Sat, 1 Aug, arriving in Bilbao.Inbound indirect flight with Vueling Airlines, departs from Bilbao on Thu, 22 Oct, arriving in Washington Dulles.Price includes taxes and charges.From 690 €, select.
Bilbao.1.017 € per passenger.Departing Fri, 26 Jun, returning Sun, 5 Jul.Return flight with Lufthansa and TAP Air Portugal.Outbound indirect flight with Lufthansa, departs from Washington Dulles on Fri, 26 Jun, arriving in Bilbao.Inbound indirect flight with TAP Air Portugal, departs from Bilbao on Sun, 5 Jul, arriving in Washington Dulles.Price includes taxes and charges.From 1.017 €, select.

Find the cheapest month to fly from Washington Dulles to Bilbao

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Washington Dulles to Bilbao flights are currently cheapest in September.
Jun
Find prices
Jul
from 673 €
Aug
from 599 €
Sep
from 567 €
Oct
from 593 €
Nov
from 637 €
Dec
from 1.151 €
Jan
Find prices
Feb
from 607 €
Mar
Find prices
Apr
from 613 €
May
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Washington Dulles to Bilbao: Alternative routes

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

Bilbao

5km from central Bilbao
ClosestCheapest
from 561 €
Search flights

Vitoria

46km from central Bilbao
from 1.062 €
Search flights

Santander

74km from central Bilbao
from 777 €
Search flights

Washington D.C. to Bilbao: Flight information

The things to know before you go.
Cheapest flight found561 €
Cheapest month to flyMay

Finding cheap flights from Washington Dulles to Bilbao: Frequently asked questions

The best price we found for a return flight from Washington Dulles to Bilbao is 561 €. 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.
Currently, there are no airlines that fly direct from Washington Dulles to Bilbao. But we found flights with one or more stops from 561 €.
As of June 2026, there are no flights flying from Washington Dulles to Bilbao.
The cheapest month to fly from Washington Dulles to Bilbao is usually May.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Washington Dulles Airport to Bilbao Airport on Friday, 28 May 2027.
No airlines currently offer direct flights between Washington Dulles Airport and Bilbao Airport. Most routes have one or more stops.
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.

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.

Currently, Royal Air Maroc offers the cheapest flight tickets to Bilbao.

Travelling from Washington Dulles Airport (IAD) to Bilbao Airport (BIO): what you need to know

  • Bilbao is six hours ahead of Washington DC and follows the UTC+1 timezone.

  • To ensure you catch your IAD to BIO flight, allow plenty of time to check in and drop off your luggage. Turning up two hours before international departures and an hour before domestic flights is the general travel rule.

  • Travelling during a peak month such as July? Public holidays and other high seasons can lead to longer lines and delays at airport checkpoints. Play it safe and get there up to four hours ahead of an international flight and two hours before domestic departures.

  • We make it a breeze to book a flight with a stopover. To see your options for tickets from Washington Dulles Airport to Bilbao Airport, deselect 'Direct flights only.' Then, pick a flight offering a stop long enough to tour the city of your choice. Stopovers between IAD and BIO include:

    • Amsterdam Schiphol Airport

    • Paris Charles de Gaulle Airport

    • Barcelona Airport

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

  • Right now, 217 € is the lowest price we've seen for a one-way Washington Dulles Airport to Bilbao Airport flight. The best price for a return ticket is 561 €. Remember that fares could change due to demand at the time of booking.

  • Don't wait until the last minute. You're more likely to get cheap tickets from IAD to BIO if you book in advance. Airlines often have some excellent early bird rates.

  • If you're willing to be flexible with your trip dates, try using the 'Whole month' search function. It'll find the lowest price across the month when searching for your flight from Washington Dulles Airport to Bilbao Airport.

  • You won't have to check back in every day to see if fares have dropped when you set up a Price Alert. We'll send you an update the moment there's a change in price on cheap flights from IAD to BIO.

  • Tailor your trip with filters. Pick your arrival and departure times, total journey duration and airlines. You can also sort results by 'Best,' 'Cheapest' or 'Fastest' flights from Washington Dulles Airport to Bilbao Airport.

Handy information about Washington Dulles Airport (IAD)

  • IAD is located at 1 Saarinen Circle.

  • When it comes to Washington Dulles Airport's on-time performance, 77% of flights arrive within the scheduled timeframe.

  • Washington Dulles Airport is about 40 kilometres from central Washington DC. If you're catching a taxi, ride-sharing or driving from the centre, it'll take you 45 minutes or so to arrive, depending on the traffic.

  • Expect a trip time of roughly 1 hour 10 minutes when using public transport.

  • Get your break off to a leisurely start by staying near IAD. Whether you have an early flight from Washington Dulles Airport to Bilbao Airport or want to avoid feeling rushed, these stays are perfect:

Arriving at Bilbao Airport (BIO)

  • The last thing you need is a long journey to your hotel if you're arriving on a late Washington Dulles Airport to Bilbao Airport flight. Stay at one of these accommodation options near BIO instead:

  • Begin your adventure by picking up a Bilbao Airport rental car. Grab a set of wheels from Record Go, Click and Rent or Goldcar and explore beyond Bilbao's usual tourist stops.

  • Booking your ride from Bilbao Airport around four weeks ahead can help you secure the lowest rate.

Getting from Bilbao Airport (BIO) to central Bilbao

  • Bilbao Airport is approximately 11 kilometres from the centre of Bilbao. The drive time takes about 15 minutes.

  • If you're taking public transport, expect a journey of around 30 minutes.

When to fly to Bilbao Airport (BIO)

  • June is the most popular month for flights from Washington Dulles Airport to Bilbao Airport. To avoid the crowds, travel to Bilbao in March.

  • Book your flight from Washington Dulles Airport to Bilbao Airport for August if you want to explore Bilbao during its warmest month. You can expect temperatures of between 16ºC (61ºF) and 26ºC (79ºF).

  • Search for cheap tickets from IAD to BIO in January if you like cooler conditions. Temperatures are at their lowest around then, ranging between 5ºC (41ºF) and 13ºC (55ºF) on average.

Explore more of Spain

  • Bilbao has its own special appeal, but there are so many other parts of Spain you'll want to see. Around 241 kilometres south-east of Bilbao, a trip to Zaragoza will fill your itinerary to the brim. Don't miss top attractions like Plaza del Pilar, La Seo del Salvador and Basílica de Nuestra Senora del Pilar.

  • If you're eager to discover another major stop in Spain, consider Salamanca, roughly 338 kilometres south-west of Bilbao. Catedral de Salamanca, Salamanca, Casco Historico and Plaza Mayor are key reasons to visit.

Plan the rest of your trip from Washington D.C. to Bilbao

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.