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$538+ Cheap flights from Washington to Bilbao (BIO)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/4. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BIO
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
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Cheap flight deals from Washington to Bilbao

Discover tips and strategies to find the most affordable flight options for your journey from Washington (USWA) to Bilbao (BIO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 21, 2025.

Round-trip from

$644
(Gotogate)

One-way from

$538
(United Airlines)
From Washington to Bilbao
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One-way flight from Washington to Bilbao
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Find flight deals from Washington to Bilbao

Cheapest flights from Washington to Bilbao
Explore the most affordable flight options available from Washington to Bilbao. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2025.

This Gotogate deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/410:35 amSEA - BIO
2 stops16h 20mMultiple Airlines
Tue 3/116:45 amBIO - SEA
2 stops35h 05mMultiple Airlines
Deal found 1/20$644
This Gotogate deal was found by Cheapflights users on 1/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/410:35 amSEA - BIO
2 stops22h 30mAir Canada
Tue 3/116:45 amBIO - SEA
2 stops23h 15mAir Canada
Deal found 1/19$645
This Flysmarter deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/43:10 pmSEA - BIO
1 stop17h 55mLufthansa
Tue 3/117:40 amBIO - SEA
1 stop14h 40mLufthansa
Deal found 1/20$679
This Gotogate deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/1810:10 amPDX - BIO
2 stops22h 55mMultiple Airlines
Mon 2/245:30 pmBIO - PDX
2 stops49h 04mMultiple Airlines
Deal found 1/21$684
This KLM deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/41:35 pmSEA - BIO
1 stop18h 45mKLM
Tue 3/116:50 amBIO - SEA
1 stop13h 50mKLM
Deal found 1/20$691
This United deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/244:58 pmSEA - BIO
3 stops38h 37mUnited Airlines
Wed 3/51:10 pmBIO - SEA
2 stops41h 20mUnited Airlines
Deal found 1/20$695
This KLM deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/181:25 pmPDX - BIO
1 stop12h 55mKLM
Mon 2/2411:55 amBIO - PDX
1 stop32h 30mKLM
Deal found 1/21$698
This KLM deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/55:00 amPSC - BIO
2 stops21h 30mKLM
Wed 3/126:50 amBIO - PSC
2 stops21h 08mKLM
Deal found 1/20$707
This United Airlines deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/57:20 amPSC - BIO
2 stops25h 45mUnited Airlines
Wed 3/127:20 amBIO - PSC
2 stops21h 50mUnited Airlines
Deal found 1/20$709
This Air Canada deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/17:05 pmPDX - BIO
2 stops36h 30mAir Canada
Sun 3/96:45 amBIO - PDX
2 stops19h 39mAir Canada
Deal found 1/21$734
This Delta deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/2712:59 amPDX - BIO
2 stops31h 21mDelta
Fri 3/76:50 amBIO - PDX
1 stop13h 35mDelta
Deal found 1/21$746
This United Airlines deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/612:50 pmPSC - BIO
2 stops20h 15mMultiple Airlines
Thu 3/136:45 amBIO - PSC
3 stops22h 25mMultiple Airlines
Deal found 1/20$754

Find flights from Washington to Bilbao within your budget

Customize your flight search to find flights from Washington to Bilbao that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

SeattleBilbao

SEA - BIO

SEABIO

Seattle/Tacoma Intl

Tue 3/4

10:35 am-11:55 am

2 stops16h 20m

Bilbao

Tue 3/11

6:45 am-9:50 am

2 stops35h 05m

$644

SeattleBilbao

SEA - BIO

SEABIO

Seattle/Tacoma Intl

Tue 3/4

10:35 am-6:05 pm

2 stops22h 30m

Bilbao

Tue 3/11

6:45 am-10:00 pm

2 stops23h 15m

$645

SeattleBilbao

SEA - BIO

SEABIO

Seattle/Tacoma Intl

Tue 3/4

3:10 pm-6:05 pm

1 stop17h 55m

Bilbao

Tue 3/11

7:40 am-2:20 pm

1 stop14h 40m

$679

PortlandBilbao

PDX - BIO

PDXBIO

Portland

Tue 2/18

10:10 am-6:05 pm

2 stops22h 55m

Bilbao

Mon 2/24

5:30 pm-9:34 am

2 stops49h 04m

$684

SeattleBilbao

SEA - BIO

SEABIO

Seattle/Tacoma Intl

Tue 3/4

1:35 pm-5:20 pm

1 stop18h 45m

Bilbao

Tue 3/11

6:50 am-12:40 pm

1 stop13h 50m

$691

SeattleBilbao

SEA - BIO

SEABIO

Seattle/Tacoma Intl

Tue 3/4

1:35 pm-11:30 am

1 stop12h 55m

Bilbao

Tue 3/11

6:50 am-12:40 pm

1 stop13h 50m

$692

SeattleBilbao

SEA - BIO

SEABIO

Seattle/Tacoma Intl

Mon 2/24

4:58 pm-4:35 pm

3 stops38h 37m

Bilbao

Wed 3/5

1:10 pm-9:30 pm

2 stops41h 20m

$695

PortlandBilbao

PDX - BIO

PDXBIO

Portland

Tue 2/18

1:25 pm-11:20 am

1 stop12h 55m

Bilbao

Mon 2/24

11:55 am-11:25 am

1 stop32h 30m

$698

PascoBilbao

PSC - BIO

PSCBIO

Pasco Tri Cities

Wed 3/5

5:00 am-11:30 am

2 stops21h 30m

Bilbao

Wed 3/12

6:50 am-7:58 pm

2 stops21h 08m

$707

PascoBilbao

PSC - BIO

PSCBIO

Pasco Tri Cities

Wed 3/5

5:05 am-10:55 am

3 stops20h 50m

Bilbao

Wed 3/12

7:20 am-9:10 pm

2 stops21h 50m

$709

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

Showing 1-10 of 25 results
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Best time to book a flight from Washington to Bilbao

Have a flexible travel schedule? Discover the best time to fly to Bilbao from Washington with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Washington to Bilbao

Get recent, data-driven insights about flights from Washington to Bilbao including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from State of Washington to Bilbao?

Currently, January is the cheapest month in which you can book a flight from State of Washington to Bilbao (average of $541). Flying from State of Washington to Bilbao in June is currently the most expensive (average of $1,178). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from WA to BIO?

Find hourly flight availability from Washington to Bilbao. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 21, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from State of Washington to Bilbao as you normally would.

Rainfall in Bilbao by month

Plan your trip to Bilbao by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Bilbao ranges from 2.4 - 5.6 inches per month. November is typically the wettest month, when rainfall can reach 5.6 in. July is typically the driest time to visit Bilbao when rainfall is around 2.4 in.

Temperature in Bilbao by month

Plan your trip to Bilbao by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Bilbao, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

Reviews of airlines servicing Bilbao

Get insights into the airlines that provide service to Bilbao. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Bilbao. Reviews last updated January 21, 2025.
Read through reviews of airlines operating flights from Washington to Bilbao, such as Air Canada, Lufthansa and KLM. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,521 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Crew

8.6

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,521 reviews
Delta
8.0
Very good
8,521 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Crew

8.6

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM
7.8
Good
1,341 reviews
Delta
8.0
Very good
8,521 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Crew

8.6

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines
7.4
Good
8,985 reviews
Delta
8.0
Very good
8,521 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Crew

8.6

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
8,521 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Crew

8.6

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air Canada
7.0
Good
8,635 reviews
Delta
8.0
Very good
8,521 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Crew

8.6

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Washington to Bilbao. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Bilbao from Washington?

    Bilbao (BIO), located 3.0 mi from the city center, is the airport you fly into when you book flights from Washington to Bilbao.

  • What are the cheapest airlines to fly from State of Washington to Bilbao one-way?

    The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as $538. However, be on the lookout for offers from Air Canada and Lufthansa, as they are both options that can get you from State of Washington to Bilbao for a low price.

  • What are the most popular routes from State of Washington to Bilbao?

    The most popular flight routes from State of Washington to Bilbao are Seattle/Tacoma Intl - Bilbao, Pasco Tri Cities - Bilbao and Portland - Bilbao.

  • Can I find deals for flights from Washington to Bilbao that include hotel bookings?

    Yes. In addition to deals on Washington to Bilbao flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington to Bilbao?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington to Bilbao.

  • Can I find deals for business class flights from Washington to Bilbao?

    Yes. Cheapflights offers flight deals from Washington to Bilbao by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from State of Washington to Bilbao?

    Currently, January is the cheapest month in which you can book a flight from State of Washington to Bilbao (average of $541). Flying from State of Washington to Bilbao in June is currently the most expensive (average of $1,178). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Alternative routes for Washington to Bilbao

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Washington to Bilbao

Discover the top 5 airlines that operate flights from Washington to Bilbao. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$672Average$1,232FlexibilityNo cancel feeOn-time76%
Air FranceCheapest$675Average$928FlexibilityNo cancel feeOn-time77%
DeltaCheapest$692Average$1,194FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$786Average$1,553FlexibilityNo cancel feeOn-time69%
KLMCheapest$789Average$1,182FlexibilityNo cancel feeOn-time75%
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