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$525+ Cheap flights from Bilbao (BIO) to Seattle (SEA)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/4. Fares are subject to change and may not be available on all flights or dates of travel.
BIO — SEA
Dec 27 — Jan 31
Fri 12/27
Fri 1/3
1 adult, Economy
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Cheap flight deals from Bilbao to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Bilbao (BIO) to Seattle (SEA). 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 December 22, 2024.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$525
(Mytrip)

Popular in

July

Cheapest in

May

Average price

$1,013
Provider with most accurate pricing for Bilbao-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Bilbao-Seattle/Tacoma Intl flights.
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From Bilbao to Seattle/Tacoma Intl
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High demand for flights, 8% potential price rise
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Best time to find cheap flights, 2% potential price drop
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Average for round-trip flights in December 2024
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Find flight deals from Bilbao to Seattle

Best flights from Bilbao to Seattle
Discover carefully curated flight deals from Bilbao to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 22, 2024.

This Mytrip deal was found by Cheapflights users on 12/21. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/47:00 amBIO - SEA
2 stops19h 00mMultiple Airlines
Tue 2/112:35 pmSEA - BIO
2 stops18h 35mMultiple Airlines
Deal found 12/21$525
This United Airlines deal was found by Cheapflights users on 12/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/46:45 amBIO - SEA
2 stops23h 45mUnited Airlines
Tue 2/113:10 pmSEA - BIO
1 stop21h 40mUnited Airlines
Deal found 12/21$675
This Gotogate deal was found by Cheapflights users on 12/21. 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 2/47:40 amBIO - SEA
1 stop14h 40mLufthansa
Tue 2/113:10 pmSEA - BIO
1 stop17h 55mLufthansa
Deal found 12/21$687
This lol.travel deal was found by Cheapflights users on 12/21. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/107:20 amBIO - SEA
2 stops23h 10mAir Canada
Tue 1/146:05 amSEA - BIO
2 stops20h 50mAir Canada
Deal found 12/21$749
This Delta deal was found by Cheapflights users on 12/22. 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.
Fri 1/106:50 amBIO - SEA
2 stops22h 56mDelta
Tue 1/145:30 amSEA - BIO
2 stops26h 50mDelta
Deal found 12/22$802
This American Airlines deal was found by Cheapflights users on 12/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/119:15 amBIO - SEA
2 stops21h 06mAmerican Airlines
Tue 2/187:20 amSEA - BIO
2 stops16h 10mAmerican Airlines
Deal found 12/21$1,216
This KLM deal was found by Cheapflights users on 12/21. 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 2/116:50 amBIO - SEA
1 stop13h 56mKLM
Tue 2/181:35 pmSEA - BIO
1 stop18h 45mKLM
Deal found 12/21$1,327

Find flights from Bilbao to Seattle within your budget

Customize your flight search to find flights from Bilbao to Seattle 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 December 22, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

BilbaoSeattle

BIO - SEA

BIOSEA

Bilbao

Tue 2/4

7:00 am-5:00 pm

2 stops19h 00m

Seattle/Tacoma Intl

Tue 2/11

2:35 pm-6:10 pm

2 stops18h 35m

$525

BilbaoSeattle

BIO - SEA

BIOSEA

Bilbao

Tue 2/4

6:45 am-9:30 pm

2 stops23h 45m

Seattle/Tacoma Intl

Tue 2/11

3:10 pm-9:50 pm

1 stop21h 40m

$675

BilbaoSeattle

BIO - SEA

BIOSEA

Bilbao

Tue 2/4

7:40 am-1:20 pm

1 stop14h 40m

Seattle/Tacoma Intl

Tue 2/11

3:10 pm-6:05 pm

1 stop17h 55m

$687

BilbaoSeattle

BIO - SEA

BIOSEA

Bilbao

Fri 1/10

7:20 am-9:30 pm

2 stops23h 10m

Seattle/Tacoma Intl

Tue 1/14

6:05 am-11:55 am

2 stops20h 50m

$749

BilbaoSeattle

BIO - SEA

BIOSEA

Bilbao

Fri 1/10

6:50 am-8:46 pm

2 stops22h 56m

Seattle/Tacoma Intl

Tue 1/14

5:30 am-5:20 pm

2 stops26h 50m

$802

BilbaoSeattle

BIO - SEA

BIOSEA

Bilbao

Tue 2/11

9:15 am-9:21 pm

2 stops21h 06m

Seattle/Tacoma Intl

Tue 2/18

7:20 am-8:30 am

2 stops16h 10m

$1,216

BilbaoSeattle

BIO - SEA

BIOSEA

Bilbao

Tue 2/11

6:50 am-11:46 am

1 stop13h 56m

Seattle/Tacoma Intl

Tue 2/18

1:35 pm-5:20 pm

1 stop18h 45m

$1,327

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/21

  • Most accurate provider: When it comes to deals on Bilbao-Seattle flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Bilbao-Seattle flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Bilbao-Seattle flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Bilbao-Seattle flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Bilbao-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Bilbao to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Bilbao 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 Bilbao to Seattle

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

Rainfall in Seattle by month

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

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

Temperature in Seattle by month

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

If weather is an important factor for your trip to Seattle, 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 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated December 22, 2024.
Delta
8.0
Very good
8,594 reviews

Entertainment

7.9

Comfort

8.0

Food

7.3

Crew

8.6

Overall

8.0

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very good
8,594 reviews
Delta
8.0
Very good
8,594 reviews

Entertainment

7.9

Comfort

8.0

Food

7.3

Crew

8.6

Overall

8.0

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

KLM
7.8
Good
1,342 reviews
Delta
8.0
Very good
8,594 reviews

Entertainment

7.9

Comfort

8.0

Food

7.3

Crew

8.6

Overall

8.0

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines
7.4
Good
9,028 reviews
Delta
8.0
Very good
8,594 reviews

Entertainment

7.9

Comfort

8.0

Food

7.3

Crew

8.6

Overall

8.0

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
8,594 reviews

Entertainment

7.9

Comfort

8.0

Food

7.3

Crew

8.6

Overall

8.0

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Air Canada
7.0
Good
8,413 reviews
Delta
8.0
Very good
8,594 reviews

Entertainment

7.9

Comfort

8.0

Food

7.3

Crew

8.6

Overall

8.0

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

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

  • What are the cheapest airlines flying from Bilbao to Seattle round-trip?

    According to our current data, United Airlines ($675), Lufthansa ($687), and Air Canada ($749) offers the cheapest pricing from Bilbao to Seattle. United Airlines is 37% cheaper than the average price of flights available within the next 90 days to this destination.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Bilbao to Seattle 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 Bilbao to Seattle?

    Currently, January is the cheapest month in which you can book a flight from Bilbao to Seattle (average of $238). Flying from Bilbao to Seattle in July is currently the most expensive (average of $411). 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.

See more FAQs

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