What airlines fly to Bilbao?

Lufthansa, Delta and United Airlines are the top three most popular airlines that fly to Bilbao from State of Washington according to our data. Lufthansa is the first choice among our users, with 55% 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.

How long does it take to fly to Bilbao?

Flight times from State of Washington to Bilbao vary, but if you’re flying out of Seattle and flying into Bilbao (one of the most popular routes), then the duration is 14h 05m on average. Another popular route from State of Washington to Bilbao is flying from Pasco to Bilbao, which will take roughly 24h 10m. Keep in mind that layovers or delays could extend your travel time.

What is the cheapest airline that flies from Washington to Bilbao?

KLM and Delta are the most popular carriers operating from Washington to Bilbao

When did momondo last update prices for flights from Washington to Bilbao Airport?

Prices for flights from Washington to Bilbao Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Washington to Bilbao Airport?

As of September 2026, there are 4 operators available to choose from for flights from Washington to Bilbao Airport.

How old do you have to be to fly from Washington to Bilbao Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington to Bilbao Airport.

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

The necessary travel and health documents for your Bilbao Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$331 Cheap Flights from Washington to Bilbao in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Washington to Bilbao

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

1:30 pm - 4:15 pmSEA Seattle/Tacoma Intl-BIO Bilbao

17h 45m2 stops London Heathrow Barcelona-El Prat

5:05 pm - 11:25 amBIO Bilbao-SEA Seattle/Tacoma Intl

27h 20m1 stop London Heathrow

$577Iberia

Tue, Dec 1 - Wed, Dec 9

1:30 pm - 4:15 pmSEA Seattle/Tacoma Intl-BIO Bilbao

17h 45m2 stops London Heathrow Barcelona-El Prat

6:45 am - 8:20 pmBIO Bilbao-SEA Seattle/Tacoma Intl

22h 35m2 stops Madrid Barajas Chicago O'Hare Intl

$581Iberia

Tue, Dec 1 - Wed, Dec 9

6:50 pm - 11:25 pmSEA Seattle/Tacoma Intl-BIO Bilbao

19h 35m1 stop Munich Franz Josef Strauss

7:15 am - 4:59 pmBIO Bilbao-SEA Seattle/Tacoma Intl

18h 44m1 stop Munich Franz Josef Strauss

$607Lufthansa

Wed, Oct 7 - Wed, Oct 21

6:50 pm - 11:25 pmSEA Seattle/Tacoma Intl-BIO Bilbao

19h 35m1 stop Munich Franz Josef Strauss

7:30 am - 1:00 pmBIO Bilbao-SEA Seattle/Tacoma Intl

14h 30m1 stop Munich Franz Josef Strauss

$607Lufthansa

Wed, Oct 7 - Fri, Nov 6

6:50 pm - 11:25 pmSEA Seattle/Tacoma Intl-BIO Bilbao

19h 35m1 stop Munich Franz Josef Strauss

7:15 am - 4:59 pmBIO Bilbao-SEA Seattle/Tacoma Intl

18h 44m1 stop Munich Franz Josef Strauss

$610United Airlines

Sun, Oct 4 - Wed, Oct 21

6:50 pm - 11:25 pmSEA Seattle/Tacoma Intl-BIO Bilbao

19h 35m1 stop Munich Franz Josef Strauss

11:55 am - 4:59 pmBIO Bilbao-SEA Seattle/Tacoma Intl

14h 04m1 stop Munich Franz Josef Strauss

$610United Airlines

Tue, Oct 6 - Fri, Oct 23

4:05 pm - 5:25 pmSEA Seattle/Tacoma Intl-BIO Bilbao

16h 20m1 stop Paris Charles de Gaulle

6:50 am - 11:50 amBIO Bilbao-SEA Seattle/Tacoma Intl

14h 00m1 stop Amsterdam Schiphol

$612Delta

Tue, Dec 1 - Thu, Dec 10

1:30 pm - 5:30 pmSEA Seattle/Tacoma Intl-BIO Bilbao

19h 00m1 stop Paris Charles de Gaulle

12:00 pm - 11:52 amBIO Bilbao-SEA Seattle/Tacoma Intl

32h 52m1 stop Amsterdam Schiphol

$612Delta

Sun, Oct 4 - Mon, Oct 19

1:30 pm - 5:30 pmSEA Seattle/Tacoma Intl-BIO Bilbao

19h 00m1 stop Paris Charles de Gaulle

6:50 am - 4:37 pmBIO Bilbao-SEA Seattle/Tacoma Intl

18h 47m2 stops Amsterdam Schiphol San Francisco

$652KLM

Tue, Oct 6 - Wed, Nov 4

9:50 pm - 10:45 pmSEA Seattle/Tacoma Intl-BIO Bilbao

15h 55m2 stops London Heathrow Amsterdam Schiphol

6:50 am - 4:37 pmBIO Bilbao-SEA Seattle/Tacoma Intl

18h 47m2 stops Amsterdam Schiphol San Francisco

$923KLM

Wed, Oct 7 - Thu, Nov 5

Cheap last minute flights

Enter your travel dates to find the best prices.

6:45 pm - 10:00 pmSEA Seattle/Tacoma Intl-BIO Bilbao

18h 15m1 stop Paris Charles de Gaulle

7:10 am - 5:47 pmBIO Bilbao-SEA Seattle/Tacoma Intl

19h 37m1 stop Paris Charles de Gaulle

$612Air France

Sun, Sep 27 - Thu, Oct 8

6:45 pm - 5:30 pmSEA Seattle/Tacoma Intl-BIO Bilbao

13h 45m1 stop Paris Charles de Gaulle

10:30 am - 5:47 pmBIO Bilbao-SEA Seattle/Tacoma Intl

16h 17m1 stop Paris Charles de Gaulle

$612Delta

Tue, Sep 29 - Fri, Oct 9

1:30 pm - 5:30 pmSEA Seattle/Tacoma Intl-BIO Bilbao

19h 00m1 stop Paris Charles de Gaulle

10:30 am - 5:47 pmBIO Bilbao-SEA Seattle/Tacoma Intl

16h 17m1 stop Paris Charles de Gaulle

$612Delta

Sun, Sep 27 - Thu, Oct 8

1:30 pm - 5:30 pmSEA Seattle/Tacoma Intl-BIO Bilbao

19h 00m1 stop Paris Charles de Gaulle

6:45 am - 11:52 amBIO Bilbao-SEA Seattle/Tacoma Intl

14h 07m1 stop Amsterdam Schiphol

$612Delta

Tue, Sep 29 - Fri, Oct 9

6:50 pm - 11:05 pmSEA Seattle/Tacoma Intl-BIO Bilbao

19h 15m2 stops Munich Franz Josef Strauss Frankfurt am Main

6:40 pm - 12:20 pmBIO Bilbao-SEA Seattle/Tacoma Intl

26h 40m2 stops Munich Franz Josef Strauss Frankfurt am Main

$698Lufthansa

Tue, Sep 29 - Fri, Oct 9

6:50 pm - 11:05 pmSEA Seattle/Tacoma Intl-BIO Bilbao

19h 15m2 stops Munich Franz Josef Strauss Frankfurt am Main

6:40 pm - 12:20 pmBIO Bilbao-SEA Seattle/Tacoma Intl

26h 40m2 stops Munich Franz Josef Strauss Frankfurt am Main

$699Lufthansa

Tue, Sep 29 - Fri, Oct 9

6:50 pm - 5:55 pmSEA Seattle/Tacoma Intl-BIO Bilbao

14h 05m1 stop Munich Franz Josef Strauss

6:45 am - 9:59 pmBIO Bilbao-SEA Seattle/Tacoma Intl

24h 14m3 stops Frankfurt am Main Washington, D.C. Dulles Intl Los Angeles

$949United Airlines

Fri, Sep 25 - Fri, Oct 2

3:55 pm - 6:45 pmSEA Seattle/Tacoma Intl-BIO Bilbao

17h 50m1 stop Kastrup Copenhagen

7:35 pm - 1:45 pmBIO Bilbao-SEA Seattle/Tacoma Intl

27h 10m1 stop Kastrup Copenhagen

$980Scandinavian Airlines

Tue, Sep 29 - Fri, Oct 2

6:50 pm - 10:50 pmSEA Seattle/Tacoma Intl-BIO Bilbao

19h 00m2 stops Munich Franz Josef Strauss Frankfurt am Main

6:45 am - 9:59 pmBIO Bilbao-SEA Seattle/Tacoma Intl

24h 14m3 stops Frankfurt am Main Washington, D.C. Dulles Intl Los Angeles

$982United Airlines

Fri, Sep 25 - Fri, Oct 2

3:55 pm - 6:45 pmSEA Seattle/Tacoma Intl-BIO Bilbao

17h 50m1 stop Kastrup Copenhagen

7:45 am - 8:40 pmBIO Bilbao-SEA Seattle/Tacoma Intl

21h 55m2 stops London Gatwick Reykjavik Keflavik Intl

$1,054Multiple Airlines

Tue, Sep 29 - Fri, Oct 2

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

Lufthansa flights from State of Washington to Bilbao

Our best Lufthansa deals on State of Washington to Bilbao flight tickets

Lufthansa

Oct 6

SEA6:50 pmSeattle/Tacoma Intl

19h 35m

1 stop

BIO11:25 pmBilbao

Oct 20

BIO11:55 amBilbao

14h 04m

1 stop

SEA4:59 pmSeattle/Tacoma Intl

$607

Lufthansa

Oct 6

SEA6:50 pmSeattle/Tacoma Intl

19h 35m

1 stop

BIO11:25 pmBilbao

Nov 5

BIO11:45 amBilbao

34h 15m

1 stop

SEA1:00 pmSeattle/Tacoma Intl

$617

Lufthansa

Oct 7

SEA6:50 pmSeattle/Tacoma Intl

19h 35m

1 stop

BIO11:25 pmBilbao

Oct 19

BIO6:40 pmBilbao

31h 19m

1 stop

SEA4:59 pmSeattle/Tacoma Intl

$631

United Airlines flights from State of Washington to Bilbao

Our best United Airlines deals on State of Washington to Bilbao flight tickets

United Airlines

Oct 4

SEA6:50 pmSeattle/Tacoma Intl

19h 35m

1 stop

BIO11:25 pmBilbao

Oct 20

BIO11:55 amBilbao

14h 04m

1 stop

SEA4:59 pmSeattle/Tacoma Intl

$610

United Airlines

Oct 4

SEA6:50 pmSeattle/Tacoma Intl

19h 35m

1 stop

BIO11:25 pmBilbao

Nov 5

BIO11:45 amBilbao

34h 15m

1 stop

SEA1:00 pmSeattle/Tacoma Intl

$621

United Airlines

Oct 5

SEA7:11 amSeattle/Tacoma Intl

31h 14m

2 stops

BIO11:25 pmBilbao

Nov 6

BIO11:45 amBilbao

22h 14m

2 stops

SEA12:59 amSeattle/Tacoma Intl

$625

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleBilbao

SEA Seattle/Tacoma Intl - BIO Bilbao

SEABIO

Seattle/Tacoma Intl

Tue 12/1

1:30 pm-4:15 pm

2 stops17h 45m

Bilbao

Wed 12/9

5:05 pm-11:25 am

1 stop27h 20m

$577

SeattleBilbao

SEA Seattle/Tacoma Intl - BIO Bilbao

SEABIO

Seattle/Tacoma Intl

Tue 12/1

1:30 pm-4:15 pm

2 stops17h 45m

Bilbao

Wed 12/9

6:45 am-8:20 pm

2 stops22h 35m

$581

SeattleBilbao

SEA Seattle/Tacoma Intl - BIO Bilbao

SEABIO

Seattle/Tacoma Intl

Wed 10/7

6:50 pm-11:25 pm

1 stop19h 35m

Bilbao

Wed 10/21

7:15 am-4:59 pm

1 stop18h 44m

$607

SeattleBilbao

SEA Seattle/Tacoma Intl - BIO Bilbao

SEABIO

Seattle/Tacoma Intl

Wed 10/7

6:50 pm-11:25 pm

1 stop19h 35m

Bilbao

Fri 11/6

7:30 am-1:00 pm

1 stop14h 30m

$607

SeattleBilbao

SEA Seattle/Tacoma Intl - BIO Bilbao

SEABIO

Seattle/Tacoma Intl

Sun 10/4

6:50 pm-11:25 pm

1 stop19h 35m

Bilbao

Wed 10/21

7:15 am-4:59 pm

1 stop18h 44m

$610

SeattleBilbao

SEA Seattle/Tacoma Intl - BIO Bilbao

SEABIO

Seattle/Tacoma Intl

Tue 10/6

6:50 pm-11:25 pm

1 stop19h 35m

Bilbao

Fri 10/23

11:55 am-4:59 pm

1 stop14h 04m

$610

Quickest round-trip

SeattleBilbao

SEA Seattle/Tacoma Intl - BIO Bilbao

SEABIO

Seattle/Tacoma Intl

Tue 12/1

4:05 pm-5:25 pm

1 stop16h 20m

Bilbao

Thu 12/10

6:50 am-11:50 am

1 stop14h 00m

$612

SeattleBilbao

SEA Seattle/Tacoma Intl - BIO Bilbao

SEABIO

Seattle/Tacoma Intl

Sun 10/4

1:30 pm-5:30 pm

1 stop19h 00m

Bilbao

Mon 10/19

12:00 pm-11:52 am

1 stop32h 52m

$612

SeattleBilbao

SEA Seattle/Tacoma Intl - BIO Bilbao

SEABIO

Seattle/Tacoma Intl

Tue 10/6

1:30 pm-5:30 pm

1 stop19h 00m

Bilbao

Wed 11/4

6:50 am-4:37 pm

2 stops18h 47m

$652

SeattleBilbao

SEA Seattle/Tacoma Intl - BIO Bilbao

SEABIO

Seattle/Tacoma Intl

Wed 10/7

9:50 pm-10:45 pm

2 stops15h 55m

Bilbao

Thu 11/5

6:50 am-4:37 pm

2 stops18h 47m

$923

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 State of Washington 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

Other information

What is the cheapest month to fly to Bilbao?

The cheapest month to fly to Bilbao from State of Washington is in February. Flight prices, which tend to average around $0, are often lower during this time because this is during the off-season. If you’re not able to fly to Bilbao in February, then January is your next best option. Flight prices from State of Washington to Bilbao during January average around $484.

Can stopping save me money on State of Washington to Bilbao flights?

You could potentially save up to 51% on your flight if you consider stops on a State of Washington to Bilbao flight.

Cheap State of Washington to Bilbao flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to Bilbao

Best Price Found	$331
Fastest flight time	14h 05m
Direct flights	None

The best one-way flight to Bilbao from State of Washington in the past 72 hours is $331. The best round-trip flight deal from State of Washington to Bilbao found on momondo in the last 72 hours is $577.

The fastest flight from State of Washington to Bilbao takes 14h 05m

There are no direct flights from State of Washington to Bilbao. There are no popular flight routes from State of Washington to Bilbao.

Search flight deals

Frequently asked questions about flying from Washington to Bilbao

When did momondo last update prices for flights from Washington to Bilbao Airport?
Prices for flights from Washington to Bilbao Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Washington to Bilbao Airport?
As of September 2026, there are 4 operators available to choose from for flights from Washington to Bilbao Airport.
How old do you have to be to fly from Washington to Bilbao Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington to Bilbao Airport.
What documentation or ID do you need to fly to Bilbao Airport?
The necessary travel and health documents for your Bilbao Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from State of Washington to Bilbao

Compare and see reviews for airlines that fly from State of Washington to Bilbao with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $484	Free Cancellation	Rating 7.4 10,226 reviews	Search United Airlines flights
Lufthansa	PriceFrom $514	Free Cancellation	Rating 6.8 8,238 reviews	Search Lufthansa flights
KLM	PriceFrom $581	Free Cancellation	Rating 7.8 1,575 reviews	Search KLM flights
Delta	PriceFrom $654	Free Cancellation	Rating 7.8 8,590 reviews	Search Delta flights

Getxo

Laredo

Lekeitio

Why use momondo?

Why should I use momondo to find a flight deal from Washington to Bilbao?

It is quick and easy to find Washington to Bilbao flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Bilbao that suits you.

Can I find flights from Washington to Bilbao with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Bilbao from Washington with this policy.

How can momondo help me find flights from Washington to Bilbao?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Washington to Bilbao.

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

Yes momondo offers price alerts on flights to Bilbao from Washington. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices 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

Fri 10/23

Fri 10/30

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

Complete your trip

Feeling lucky

Airports servicing Basque Country

San Sebastián Airport

Cheap flights from Washington to Bilbao from $331

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 to Bilbao departing on 1/25. 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 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

Lufthansa flights from State of Washington to Bilbao

Our best Lufthansa deals on State of Washington to Bilbao flight tickets

United Airlines flights from State of Washington to Bilbao

Our best United Airlines deals on State of Washington to Bilbao flight tickets

momondo Fare Finder

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

See travel insights to Bilbao from

How to get the cheapest flight ticket from State of Washington to Bilbao

What is the cheapest month to fly to Bilbao?

Can stopping save me money on State of Washington to Bilbao flights?

What is the cheapest airline that flies from Washington to Bilbao?

What airlines fly to Bilbao?

How long does it take to fly to Bilbao?

Cheap State of Washington to Bilbao flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Washington to Bilbao

Best airlines flying from State of Washington to Bilbao

Compare and see reviews for airlines that fly from State of Washington 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

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