How does KAYAK find such low prices on flights from Washington to Bilbao?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington to Bilbao. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington to Bilbao?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Bilbao from Washington is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from Washington to Bilbao?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Bilbao with an airline and back to Washington with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington to Bilbao?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Bilbao from Washington up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

$470 CHEAP FLIGHTS from Washington to Bilbao

BIO

KAYAK searches hundreds of travel sites at once for deals on flights to Bilbao

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Cheapest round-trip

$562

Overall average: $870

Lufthansa

Tue 11/18Tue 11/25

SEA - BIO • 2 stops

Cheapest one-way

$470

Typical prices: $618-$678

Air Canada

Sat 11/22

SEA - BIO • 2 stops

Start a new search

KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to Bilbao!

Flight Deals

Cheap Flights from Washington to Bilbao

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Washington to Bilbao that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Washington to Bilbao

Tue, Nov 18 - Tue, Nov 25

10:05 am - 9:55 pmSEA-BIO

26h 50m2 stops

6:45 am - 12:10 pmBIO-SEA

14h 25m1 stop

$562Lufthansa

Find Deal

Tue, Nov 18 - Tue, Nov 25

10:05 am - 9:55 pmSEA-BIO

26h 50m2 stops

7:40 am - 7:16 pmBIO-SEA

20h 36m2 stops

$564Lufthansa

Find Deal

Tue, Nov 18 - Tue, Nov 25

1:40 pm - 11:30 amSEA-BIO

12h 50m1 stop

6:50 am - 11:45 amBIO-SEA

13h 55m1 stop

$569Multiple Airlines

Find Deal

Sat, Nov 22 - Mon, Dec 1

8:00 pm - 6:05 pmSEA-BIO

37h 05m2 stops

6:50 pm - 9:31 amBIO-SEA

47h 41m2 stops

$580Multiple Airlines

Find Deal

Thu, Mar 5 - Thu, Mar 12

2:00 pm - 4:40 pmSEA-BIO

17h 40m1 stop

11:35 am - 2:20 pmBIO-SEA

34h 45m1 stop

$635United Airlines

Find Deal

Thu, Mar 5 - Thu, Mar 12

8:29 am - 4:40 pmSEA-BIO

23h 11m2 stops

11:35 am - 2:20 pmBIO-SEA

34h 45m1 stop

$639United Airlines

Find Deal

Tue, Nov 18 - Tue, Nov 25

5:50 am - 12:05 pmSEA-BIO

21h 15m3 stops

6:45 am - 7:16 pmBIO-SEA

21h 31m3 stops

$671Air Canada

Find Deal

Thu, Nov 13 - Mon, Nov 17

5:30 am - 11:30 amPDX-BIO

21h 00m2 stops

6:50 am - 11:25 amBIO-PDX

13h 35m1 stop

$720Delta

Find Deal

Wed, Nov 12 - Mon, Nov 17

12:35 am - 11:30 amPDX-BIO

25h 55m2 stops

6:50 am - 11:25 amBIO-PDX

13h 35m1 stop

$721Delta

Find Deal

Wed, Mar 25 - Wed, Apr 8

9:50 am - 12:05 pmPDX-BIO

18h 15m2 stops

6:45 am - 2:40 pmBIO-PDX

40h 55m2 stops

$742Air Canada

Find Deal

Useful Info

Low season	January
High season	September
Cheapest flight	$470

Best time to beat the crowds but there is an average 28% increase in price.

Most popular time to fly with an average 5% increase in price.

Flight from Seattle to Bilbao

How does KAYAK find such low prices on flights from Washington to Bilbao?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington to Bilbao.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington to Bilbao?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Bilbao from Washington is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Washington to Bilbao?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Bilbao with an airline and back to Washington with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington to Bilbao?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Bilbao from Washington up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Getxo

Laredo

Lekeitio

Everything you need to know for your flight to Bilbao

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Information on the airport you'll fly into in Bilbao

Bilbao (BIO)

Not what you’re looking for? Find thousands of other hotels, flights, car rentals and package deals with KAYAK.

BIO

$470 Find Cheap Flights from Washington to Bilbao

KAYAK searches hundreds of travel sites at once for deals on flights to Bilbao

Everything you should know

Cheap Flights from Washington to Bilbao

Recent round-trip flight deals from Washington to Bilbao

Recent one-way flight deals from Washington to Bilbao

Recent last minute flight deals from Washington to Bilbao

Good to know

FAQs for booking flights from Washington to Bilbao

How does KAYAK find such low prices on flights from Washington to Bilbao?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington to Bilbao.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington to Bilbao?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Bilbao from Washington is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Washington to Bilbao?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Bilbao with an airline and back to Washington with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington to Bilbao?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Bilbao from Washington up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Traveling to a place near Bilbao?

Everything you need to know for your flight to Bilbao

Information on the airport you'll fly into in Bilbao

Cabin class types available on flights to Washington

Complete your trip to Bilbao with a hotel stay or car rental

Find direct flights for Bilbao

Flights to other popular destinations

Flights from domestic origins to Bilbao

Choose which airport to fly into in Bilbao

Find deals for your return flight