$226+ Cheap flights from Seattle (SEA) 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 10/23. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BIO
Oct 7 — Oct 141

Find cheap flights from Seattle to Bilbao with Cheapflights

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The best prices from Seattle/Tacoma Intl to Bilbao are usually found in February or November, booked 47 days in advance, depart on a Monday or Tuesday and return on a Monday

Cheap flight deals from Seattle to Bilbao

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) 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 October 2, 2024.

Popular in

June

Cheapest in

February

Round-trip from

$685
(StudentUniverse)

One-way from

$226
(Kiwi.com)
High demand for flights, 32% potential price rise
Best time to find cheap flights, 51% potential price drop
From Seattle/Tacoma Intl to Bilbao
One-way flight from Seattle/Tacoma Intl to Bilbao

Cheap Seattle to Bilbao flights in October & November 2024

Find cheap flight options from Seattle to Bilbao specifically for the months of October and November 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,666,977 searches. Prices were last updated on October 2, 2024.
This Kiwi.com deal was found by Cheapflights users on 10/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2310:00 amSEA - BIO
2 stops24h 35mMultiple Airlines
Wed 12/412:05 pmBIO - SEA
1 stop33h 10mMultiple Airlines
Deal found 10/1$800
This United Airlines deal was found by Cheapflights users on 10/1. 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.
Sun 10/206:50 pmSEA - BIO
1 stop14h 00mUnited Airlines
Wed 12/41:10 pmBIO - SEA
1 stop32h 00mUnited Airlines
Deal found 10/1$921
This FlightHub deal was found by Cheapflights users on 10/1. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/176:40 pmSEA - BIO
1 stop31h 30mTurkish Airlines
Tue 10/2912:10 pmBIO - SEA
1 stop37h 55mTurkish Airlines
Deal found 10/1$996
This KAYAK deal was found by Cheapflights users on 10/1. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/206:45 pmSEA - BIO
1 stop12h 20mAer Lingus
Sun 12/13:55 pmBIO - SEA
1 stop35h 20mAer Lingus
Deal found 10/1$1,118
This KAYAK deal was found by Cheapflights users on 10/1. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/222:01 pmSEA - BIO
2 stops17h 54mIberia
Sat 11/306:45 amBIO - SEA
2 stops19h 10mIberia
Deal found 10/1$1,428
This Air Canada deal was found by Cheapflights users on 10/1. 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.
Thu 10/173:10 pmSEA - BIO
2 stops17h 40mAir Canada
Tue 10/297:20 amBIO - SEA
2 stops34h 37mAir Canada
Deal found 10/1$1,475
This Ovago deal was found by Cheapflights users on 10/1. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/222:15 pmSEA - BIO
1 stop14h 05mLufthansa
Sun 12/16:45 amBIO - SEA
2 stops20h 40mLufthansa
Deal found 10/1$1,661
This American Airlines deal was found by Cheapflights users on 10/1. 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.
Sun 10/1312:26 amSEA - BIO
2 stops24h 59mAmerican Airlines
Mon 12/169:15 amBIO - SEA
2 stops35h 05mAmerican Airlines
Deal found 10/1$2,747
This Ovago deal was found by Cheapflights users on 10/1. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2211:30 amSEA - BIO
2 stops23h 35mAir Europa
Tue 12/312:30 pmBIO - SEA
2 stops40h 41mAir Europa
Deal found 10/1$2,947

Seattle to Bilbao 2024 flight deals

Discover exclusive flight deals for travel between Seattle and Bilbao in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,666,977 searches. Data last updated October 2, 2024.
This Kiwi.com deal was found by Cheapflights users on 10/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2310:00 amSEA - BIO
2 stops24h 35mMultiple Airlines
Wed 12/412:05 pmBIO - SEA
1 stop33h 10mMultiple Airlines
Deal found 10/1$800
This United Airlines deal was found by Cheapflights users on 10/1. 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.
Sun 10/206:50 pmSEA - BIO
1 stop14h 00mUnited Airlines
Wed 12/41:10 pmBIO - SEA
1 stop32h 00mUnited Airlines
Deal found 10/1$921
This FlightHub deal was found by Cheapflights users on 10/1. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/176:40 pmSEA - BIO
1 stop31h 30mTurkish Airlines
Tue 10/2912:10 pmBIO - SEA
1 stop37h 55mTurkish Airlines
Deal found 10/1$996
This KAYAK deal was found by Cheapflights users on 10/1. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/206:45 pmSEA - BIO
1 stop12h 20mAer Lingus
Sun 12/13:55 pmBIO - SEA
1 stop35h 20mAer Lingus
Deal found 10/1$1,118
This KAYAK deal was found by Cheapflights users on 10/1. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/222:01 pmSEA - BIO
2 stops17h 54mIberia
Sat 11/306:45 amBIO - SEA
2 stops19h 10mIberia
Deal found 10/1$1,428
This Air Canada deal was found by Cheapflights users on 10/1. 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.
Thu 10/173:10 pmSEA - BIO
2 stops17h 40mAir Canada
Tue 10/297:20 amBIO - SEA
2 stops34h 37mAir Canada
Deal found 10/1$1,475
This Ovago deal was found by Cheapflights users on 10/1. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/222:15 pmSEA - BIO
1 stop14h 05mLufthansa
Sun 12/16:45 amBIO - SEA
2 stops20h 40mLufthansa
Deal found 10/1$1,661
This Air France deal was found by Cheapflights users on 10/1. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2212:35 pmSEA - BIO
1 stop19h 45mAir France
Thu 1/27:20 amBIO - SEA
1 stop13h 00mAir France
Deal found 10/1$1,969
This American Airlines deal was found by Cheapflights users on 10/1. 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.
Sun 10/1312:26 amSEA - BIO
2 stops24h 59mAmerican Airlines
Mon 12/169:15 amBIO - SEA
2 stops35h 05mAmerican Airlines
Deal found 10/1$2,747

One-way flights to Bilbao from Seattle

Search for one-way flight options from Seattle to Bilbao. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,666,977 searches. Data last updated October 2, 2024.
This Kiwi.com deal was found by Cheapflights users on 10/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2310:00 amSEA - BIO
2 stops24h 35mMultiple Airlines
Deal found 10/1$226
This FlightHub deal was found by Cheapflights users on 9/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2212:15 pmSEA - BIO
1 stop20h 10mTurkish Airlines
Deal found 9/30$823
This American Airlines deal was found by Cheapflights users on 10/1. 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.
Thu 10/1712:26 amSEA - BIO
2 stops28h 59mAmerican Airlines
Deal found 10/1$834
This Lufthansa deal was found by Cheapflights users on 9/30. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/232:15 pmSEA - BIO
1 stop19h 00mLufthansa
Deal found 9/30$870
This AranGrant deal was found by Cheapflights users on 10/2. 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 AranGrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/112:26 amSEA - BIO
2 stops30h 49mAer Lingus
Deal found 10/2$6,333

Find flights from Seattle to Bilbao within your budget

Customize your flight search to find flights from Seattle 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 2,666,977 searches. Data last updated October 2, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$685 - $1,475

Route

Depart

Return

Price

Seattle/Tacoma IntlBilbao

SEA - BIO

SEABIO

Seattle/Tacoma Intl

Tue 2/4

2 stops18h 05m

Bilbao

Tue 2/25

2 stops28h 20m

$685

Seattle/Tacoma IntlBilbao

SEA - BIO

SEABIO

Seattle/Tacoma Intl

Mon 2/24

2 stops19h 25m

Bilbao

Wed 3/5

2 stops23h 33m

$686

Seattle/Tacoma IntlBilbao

SEA - BIO

SEABIO

Seattle/Tacoma Intl

Sun 10/20

1 stop14h 00m

Bilbao

Wed 12/4

1 stop32h 00m

$921

Seattle/Tacoma IntlBilbao

SEA - BIO

SEABIO

Seattle/Tacoma Intl

Mon 2/24

1 stop19h 40m

Bilbao

Wed 3/5

1 stop27h 20m

$974

Seattle/Tacoma IntlBilbao

SEA - BIO

SEABIO

Seattle/Tacoma Intl

Tue 2/4

3 stops26h 15m

Bilbao

Tue 2/25

2 stops20h 05m

$993

Seattle/Tacoma IntlBilbao

SEA - BIO

SEABIO

Seattle/Tacoma Intl

Thu 10/17

1 stop31h 30m

Bilbao

Tue 10/29

1 stop37h 55m

$996

Seattle/Tacoma IntlBilbao

SEA - BIO

SEABIO

Seattle/Tacoma Intl

Sun 10/20

1 stop12h 20m

Bilbao

Sun 12/1

1 stop35h 20m

$1,118

Seattle/Tacoma IntlBilbao

SEA - BIO

SEABIO

Seattle/Tacoma Intl

Tue 10/22

2 stops17h 54m

Bilbao

Sat 11/30

2 stops19h 10m

$1,428

Seattle/Tacoma IntlBilbao

SEA - BIO

SEABIO

Seattle/Tacoma Intl

Thu 10/17

2 stops17h 40m

Bilbao

Tue 10/29

2 stops34h 37m

$1,475

Flights are sorted by cheapest first

Deals found on 10/2

Best time to book a flight from Seattle to Bilbao

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

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

How far ahead should I book a flight from Seattle to Bilbao?

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Bilbao. Price data was last updated on September 27, 2024.

The best time to book flights from Seattle to Bilbao is 47 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Seattle to Bilbao?

Currently, February is the cheapest month in which you can book a flight from Seattle to Bilbao (average of $479). Flying from Seattle to Bilbao in June is currently the most expensive (average of $1,264). 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 SEA to BIO?

Find hourly flight availability from Seattle 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 October 2, 2024.

It’s optimal to fly from Seattle to Bilbao in the evening. By choosing this option you can save up to 47% on the cost of your flight, compared to a flight in the afternoon.

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 October 2, 2024.
7.8
Good
1,358 reviews

Comfort

7.7

Food

7.3

Overall

7.8

Boarding

7.9

Crew

8.4

Entertainment

7.2

Reviews

1 / 10

Liked the service, seating was ok but the seat supports where in a way that one couldn’t stretch your legs

7.8
Good
1,358 reviews
7.8
Good
1,358 reviews

Comfort

7.7

Food

7.3

Overall

7.8

Boarding

7.9

Crew

8.4

Entertainment

7.2

Reviews

1 / 10

Liked the service, seating was ok but the seat supports where in a way that one couldn’t stretch your legs

7.5
Good
1,570 reviews
7.8
Good
1,358 reviews

Comfort

7.7

Food

7.3

Overall

7.8

Boarding

7.9

Crew

8.4

Entertainment

7.2

Reviews

1 / 10

Liked the service, seating was ok but the seat supports where in a way that one couldn’t stretch your legs

7.4
Good
3,832 reviews
7.8
Good
1,358 reviews

Comfort

7.7

Food

7.3

Overall

7.8

Boarding

7.9

Crew

8.4

Entertainment

7.2

Reviews

1 / 10

Liked the service, seating was ok but the seat supports where in a way that one couldn’t stretch your legs

7.4
Good
9,390 reviews
7.8
Good
1,358 reviews

Comfort

7.7

Food

7.3

Overall

7.8

Boarding

7.9

Crew

8.4

Entertainment

7.2

Reviews

1 / 10

Liked the service, seating was ok but the seat supports where in a way that one couldn’t stretch your legs

7.3
Good
10,000 reviews
7.8
Good
1,358 reviews

Comfort

7.7

Food

7.3

Overall

7.8

Boarding

7.9

Crew

8.4

Entertainment

7.2

Reviews

1 / 10

Liked the service, seating was ok but the seat supports where in a way that one couldn’t stretch your legs

Related info for your journey

Find useful and relevant information for your journey from Seattle to Bilbao. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • Can I find flights from Seattle to Bilbao for under $700 on Cheapflights?

    Yes, there are multiple flights from Seattle to Bilbao for under $700. The cheapest flight booked recently is on Multiple Airlines for just $685, but on average you can expect to pay $1,411.

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

    Cheapflights users have booked flights from Seattle to Bilbao round-trip from $686. Other airlines that can offer you cheap pricing are United Airlines, from $921, and KLM, from $974. British Airways is 36% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Seattle to Bilbao one-way?

    The cheapest airlines for a one-way flight from Seattle to Bilbao are Turkish Airlines ($823), American Airlines ($834), and Lufthansa ($870).

  • What does SEA to BIO mean?

    These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Seattle/Tacoma Intl Airport to Bilbao Airport flight would often be abbreviated as a SEA to BIO flight.

  • Can I find deals for flights from Seattle to Bilbao that include extra baggage allowance?

    The amount of baggage you can bring on your Seattle to Bilbao flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Seattle to Bilbao with specific airlines?

    Yes, Cheapflights allows you to browse and filter Seattle to Bilbao flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Seattle 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.

  • Can I find deals for flights from Seattle to Bilbao that allow pets onboard?

    Many airlines flying from Seattle to Bilbao offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Seattle to Bilbao?

    Yes, you can often find last-minute deals on Seattle to Bilbao flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Seattle to Bilbao flight deals updated?

    The Seattle to Bilbao flight deals you see on this page were last updated on 10/1.

  • What is the cheapest month to book a flight from Seattle to Bilbao?

    Currently, February is the cheapest month in which you can book a flight from Seattle to Bilbao (average of $479). Flying from Seattle to Bilbao in June is currently the most expensive (average of $1,264). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Seattle to Bilbao
See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from Seattle to Bilbao

Discover the top 5 airlines that operate flights from Seattle 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 2,666,977 searches. Data last updated October 2, 2024.
AirlineCheapestAverageFlexibilityOn-time
Air FranceCheapest$525Average$1,320FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$590Average$950FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$602Average$1,280FlexibilityNo cancel feeOn-time69%
DeltaCheapest$773Average$1,206FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$789Average$1,244FlexibilityNo cancel feeOn-time75%
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