How long does it take to fly to Bilbao?

Flight times from Washington, D.C. to Bilbao vary, but if you’re flying out of Washington, D.C. and flying into Bilbao (one of the most popular routes), then the duration is 12h 28m on average. Another popular route from Washington, D.C. to Bilbao is flying from Baltimore to Bilbao, which will take roughly 13h 55m. Keep in mind that layovers or delays could extend your travel time.

What is the cheapest airline that flies from Washington, D.C. to Bilbao?

American Airlines, Delta, and Air Canada are the most popular carriers operating from Washington, D.C. to Bilbao

Which layover airport has the shortest travel time from Washington, D.C. to Bilbao?

Flights connecting via Madrid (MAD) have the shortest average one-way travel time: 9h 55m.

What airlines fly to Bilbao?

Lufthansa, United Airlines and TAP AIR PORTUGAL are the top three most popular airlines that fly to Bilbao from Washington, D.C. according to our data. Lufthansa is the first choice among our users, with 32% of people opting to fly with this airline when traveling to Bilbao. Keep in mind that there are 4 different airlines that fly to Bilbao on a routine basis, so you have a few additional options to choose from.

Which airport is the most popular layover for flights between Washington, D.C. and Bilbao?

Lisbon (LIS) was the most common stop: 40% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Washington, D.C. to Bilbao?

Flights via Lisbon (LIS) offer the lowest average round-trip price of $545.

Which layover airport has the shortest connection time from Washington, D.C. to Bilbao?

Zurich (ZRH) has the shortest average layover time for this route: 1h 03m.

When did momondo last update prices for flights from Washington, D.C. to Bilbao Airport?

Prices for flights from Washington, D.C. to Bilbao Airport refresh daily.

How many operators does momondo search for flights from Washington, D.C. to Bilbao Airport?

There are 4 operators available for flights from Washington, D.C. to Bilbao Airport as of June 2026.

How old do you have to be to fly from Washington, D.C. to Bilbao Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. to Bilbao Airport.

What documentation or ID do you need to fly to Bilbao Airport?

The travel and health documents you'll need for your trip to Bilbao Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Bilbao Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$292 Cheap Flights from Washington, D.C. to Bilbao in 2026

Q: What is the typical price of a round-trip flight between Washington, D.C. and Bilbao?

Prices are currently low for flights on this route. Typical prices usually range from $1,203 to $742. The lowest price recently found on this route was $689.

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Washington, D.C. to Bilbao

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:05 pm - 6:05 pm

IAD

BIO

19h 00m

1 stop

12:25 pm - 3:10 pm

BIO

IAD

32h 45m

1 stop

$689TAP AIR PORTUGAL

Sat, Aug 15 - Wed, Aug 26

9:05 pm - 6:45 pm

IAD

BIO

15h 40m

1 stop

7:45 pm - 7:05 pm

BIO

IAD

29h 20m

1 stop

$695Royal Air Maroc

Sun, Nov 1 - Sat, Nov 21

5:15 pm - 5:30 pm

IAD

BIO

18h 15m

1 stop

9:15 am - 3:30 pm

BIO

IAD

12h 15m

1 stop

$719Multiple Airlines

Wed, Oct 7 - Wed, Oct 21

5:00 pm - 12:45 pm

IAD

BIO

13h 45m

1 stop

9:15 am - 3:30 pm

BIO

IAD

12h 15m

1 stop

$736Iberia

Sun, Sep 27 - Fri, Oct 2

2:00 pm - 8:30 am

DCA

BIO

12h 30m

2 stops

9:15 am - 10:29 pm

BIO

DCA

19h 14m

2 stops

$743Multiple Airlines

Wed, Nov 4 - Wed, Nov 18

5:45 pm - 8:30 am

DCA

BIO

32h 45m

2 stops

9:15 am - 7:10 pm

BIO

DCA

15h 55m

2 stops

$778Iberia

Sat, Nov 7 - Sat, Nov 14

1:30 pm - 11:30 am

DCA

BIO

16h 00m

2 stops

6:50 am - 6:05 pm

BIO

DCA

17h 15m

2 stops

$801Delta

Tue, Nov 3 - Fri, Nov 20

12:15 pm - 9:50 am

BWI

BIO

15h 35m

2 stops

10:30 am - 10:10 pm

BIO

BWI

17h 40m

2 stops

$808Delta

Wed, Oct 7 - Wed, Oct 21

1:01 pm - 10:45 am

DCA

BIO

15h 44m

1 stop

2:05 pm - 10:20 am

BIO

DCA

26h 15m

2 stops

$818United Airlines

Tue, Sep 15 - Tue, Sep 22

10:27 am - 5:55 pm

DCA

BIO

25h 28m

2 stops

12:30 pm - 7:39 pm

BIO

DCA

13h 09m

1 stop

$829United Airlines

Wed, Sep 9 - Fri, Sep 18

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

TAP AIR PORTUGAL flights from Washington, D.C. to Bilbao

Our best TAP AIR PORTUGAL deals on Washington, D.C. to Bilbao flight tickets

TAP AIR PORTUGAL

Aug 15

IAD5:05 pmWashington, D.C. Dulles Intl

19h 00m

1 stop

BIO6:05 pmBilbao

Aug 26

BIO12:25 pmBilbao

32h 45m

1 stop

IAD3:10 pmWashington, D.C. Dulles Intl

$689

TAP AIR PORTUGAL

Nov 3

IAD5:25 pmWashington, D.C. Dulles Intl

12h 00m

1 stop

BIO11:25 amBilbao

Nov 18

BIO12:10 pmBilbao

14h 25m

1 stop

IAD8:35 pmWashington, D.C. Dulles Intl

$716

TAP AIR PORTUGAL

Nov 3

IAD5:25 pmWashington, D.C. Dulles Intl

12h 00m

1 stop

BIO11:25 amBilbao

Nov 17

BIO6:40 pmBilbao

31h 55m

1 stop

IAD8:35 pmWashington, D.C. Dulles Intl

$723

Iberia flights from Washington, D.C. to Bilbao

Our best Iberia deals on Washington, D.C. to Bilbao flight tickets

Iberia

Sep 27

IAD5:00 pmWashington, D.C. Dulles Intl

13h 45m

1 stop

BIO12:45 pmBilbao

Oct 2

BIO9:15 amBilbao

12h 15m

1 stop

IAD3:30 pmWashington, D.C. Dulles Intl

$736

Iberia

Nov 7

DCA5:45 pmWashington, D.C. Reagan-National

32h 45m

2 stops

BIO8:30 amBilbao

Nov 14

BIO9:15 amBilbao

15h 55m

2 stops

DCA7:10 pmWashington, D.C. Reagan-National

$778

Iberia

Sep 12

DCA12:59 pmWashington, D.C. Reagan-National

13h 31m

2 stops

BIO8:30 amBilbao

Sep 19

BIO9:15 amBilbao

19h 44m

2 stops

DCA10:59 pmWashington, D.C. Reagan-National

$920

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Bilbao

IAD - BIO

IADBIO

Washington, D.C. Dulles Intl

Sat 8/15

5:05 pm-6:05 pm

1 stop19h 00m

Bilbao

Wed 8/26

12:25 pm-3:10 pm

1 stop32h 45m

$689

Washington, D.C.Bilbao

IAD - BIO

IADBIO

Washington, D.C. Dulles Intl

Sun 11/1

9:05 pm-6:45 pm

1 stop15h 40m

Bilbao

Sat 11/21

7:45 pm-7:05 pm

1 stop29h 20m

$695

Washington, D.C.Bilbao

IAD - BIO

IADBIO

Washington, D.C. Dulles Intl

Wed 10/7

5:15 pm-5:30 pm

1 stop18h 15m

Bilbao

Wed 10/21

9:15 am-3:30 pm

1 stop12h 15m

$719

Quickest round-trip

Washington, D.C.Bilbao

IAD - BIO

IADBIO

Washington, D.C. Dulles Intl

Sun 9/27

5:00 pm-12:45 pm

1 stop13h 45m

Bilbao

Fri 10/2

9:15 am-3:30 pm

1 stop12h 15m

$736

Washington, D.C.Bilbao

DCA - BIO

DCABIO

Washington, D.C. Reagan-National

Wed 11/4

2:00 pm-8:30 am

2 stops12h 30m

Bilbao

Wed 11/18

9:15 am-10:29 pm

2 stops19h 14m

$743

Washington, D.C.Bilbao

DCA - BIO

DCABIO

Washington, D.C. Reagan-National

Sat 11/7

5:45 pm-8:30 am

2 stops32h 45m

Bilbao

Sat 11/14

9:15 am-7:10 pm

2 stops15h 55m

$778

Washington, D.C.Bilbao

DCA - BIO

DCABIO

Washington, D.C. Reagan-National

Tue 11/3

1:30 pm-11:30 am

2 stops16h 00m

Bilbao

Fri 11/20

6:50 am-6:05 pm

2 stops17h 15m

$801

BaltimoreBilbao

BWI - BIO

BWIBIO

Baltimore/Washington

Wed 10/7

12:15 pm-9:50 am

2 stops15h 35m

Bilbao

Wed 10/21

10:30 am-10:10 pm

2 stops17h 40m

$808

Washington, D.C.Bilbao

DCA - BIO

DCABIO

Washington, D.C. Reagan-National

Tue 9/15

1:01 pm-10:45 am

1 stop15h 44m

Bilbao

Tue 9/22

2:05 pm-10:20 am

2 stops26h 15m

$818

Washington, D.C.Bilbao

DCA - BIO

DCABIO

Washington, D.C. Reagan-National

Wed 9/9

10:27 am-5:55 pm

2 stops25h 28m

Bilbao

Fri 9/18

12:30 pm-7:39 pm

1 stop13h 09m

$829

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Washington, D.C. to Bilbao

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Layovers

Other information

What is the typical price of a round-trip flight between Washington, D.C. and Bilbao?

What is the cheapest month to fly to Bilbao?

The cheapest month to fly to Bilbao from Washington, D.C. is in January. Flight prices, which tend to average around $334, are often lower during this time because this is during the off-season. If you’re not able to fly to Bilbao in January, then April is your next best option. Flight prices from Washington, D.C. to Bilbao during April average around $421.

Can stopping save me money on Washington, D.C. to Bilbao flights?

You could potentially save up to 45% on your flight if you consider stops on a Washington, D.C. to Bilbao flight.

When to book flights from Washington, D.C. to Bilbao

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. to Bilbao according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Washington, D.C. to Bilbao (WAS to BIO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Bilbao

Fastest flight time	11h 45m
Direct flights	None

The fastest flight from Washington, D.C. to Bilbao takes 11h 45m

There are no direct flights from Washington, D.C. to Bilbao. There are no popular flight routes from Washington, D.C. to Bilbao.

Search flight deals

Frequently asked questions about flying from Washington, D.C. to Bilbao

How far is Washington, D.C. to Bilbao by plane?
There are 3738.8 mi between Washington, D.C. and Bilbao. In terms of flight time, this usually takes a little over 11h 45m.
When did momondo last update prices for flights from Washington, D.C. to Bilbao Airport?
Prices for flights from Washington, D.C. to Bilbao Airport refresh daily.
How many operators does momondo search for flights from Washington, D.C. to Bilbao Airport?
There are 4 operators available for flights from Washington, D.C. to Bilbao Airport as of June 2026.
How old do you have to be to fly from Washington, D.C. to Bilbao Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. to Bilbao Airport.
What documentation or ID do you need to fly to Bilbao Airport?
The travel and health documents you'll need for your trip to Bilbao Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Bilbao Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Washington, D.C. to Bilbao?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Washington, D.C. to Bilbao is United Airlines (32% of total bookings). The next most popular airlines are TAP AIR PORTUGAL (31%), Lufthansa (23%), and Delta (14%).

Best airlines flying from Washington, D.C. to Bilbao

Compare and see reviews for airlines that fly from Washington, D.C. to Bilbao with momondo

Airline	Rating	Free Cancellation	Price
TAP AIR PORTUGAL	PriceFrom $447	Free Cancellation	Rating 7.2 2,277 reviews	Search TAP AIR PORTUGAL flights
Lufthansa	PriceFrom $470	Free Cancellation	Rating 6.8 8,066 reviews	Search Lufthansa flights
United Airlines	PriceFrom $514	Free Cancellation	Rating 7.4 9,843 reviews	Search United Airlines flights
Iberia	PriceFrom $515	Free Cancellation	Rating 7.0 3,237 reviews	Search Iberia flights

Getxo

Laredo

Lekeitio

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Bilbao?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Bilbao from Washington, D.C..

Can I find flights from Washington, D.C. to Bilbao with flexible booking policies on momondo?

All flight searches from Washington, D.C. to Bilbao on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Washington, D.C. to Bilbao?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Bilbao from Washington, D.C..

I’m not ready to book a flight from Washington, D.C. to Bilbao right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Bilbao, momondo offers a useful price alert feature which will track prices for flights to Bilbao from Washington, D.C. and alert you when they change.

An easier way to manage your Bilbao trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Wed 7/15

Wed 7/22

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Spain

Nearby airports

Airlines

Cabin classes

Other Spain destinations

Other flights from Washington, D.C.

Complete your trip

Feeling lucky

Airports servicing Basque Country

San Sebastián Airport

Cheap flights from Washington, D.C. to Bilbao from $292

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Bilbao departing on 10/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Washington, D.C. to Bilbao

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

TAP AIR PORTUGAL flights from Washington, D.C. to Bilbao

Our best TAP AIR PORTUGAL deals on Washington, D.C. to Bilbao flight tickets

Iberia flights from Washington, D.C. to Bilbao

Our best Iberia deals on Washington, D.C. to Bilbao flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Washington, D.C. to Bilbao that are best for you.

See travel insights to Bilbao from

How to get the cheapest flight ticket from Washington, D.C. to Bilbao

What is the typical price of a round-trip flight between Washington, D.C. and Bilbao?

What is the cheapest month to fly to Bilbao?

Can stopping save me money on Washington, D.C. to Bilbao flights?

What is the cheapest airline that flies from Washington, D.C. to Bilbao?

What airlines fly to Bilbao?

Which airport is the most popular layover for flights between Washington, D.C. and Bilbao?

Which layover airport offers the lowest fares from Washington, D.C. to Bilbao?

Which layover airport has the shortest travel time from Washington, D.C. to Bilbao?

Which layover airport has the shortest connection time from Washington, D.C. to Bilbao?

How long does it take to fly to Bilbao?

When to book flights from Washington, D.C. to Bilbao

Cheap Washington, D.C. to Bilbao (WAS to BIO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Bilbao

Fastest flight time

Direct flights

Frequently asked questions about flying from Washington, D.C. to Bilbao

Best airlines flying from Washington, D.C. to Bilbao

Compare and see reviews for airlines that fly from Washington, D.C. to Bilbao with momondo

Traveling to a place near Bilbao?

Why use momondo?

An easier way to manage your Bilbao trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Spain

Airports servicing Basque Country

Fly your favorite airline to Bilbao

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Bilbao

List of cabin classes available on flights landing in Bilbao. Availability may vary depending on flight origin and airline.

Popular cities in Spain

Popular flights according to clicks in the last 7 days on momondo

Fly to other destinations from Washington, D.C.

According to popular flight searches on momondo this year

Complete your trip to Bilbao

Explore popular destinations other users love

According to popular flight searches on momondo this year