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Cheap flights from Seattle (SEA) to Bilbao (BIO) from $281

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 10/7. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
SEA — BIO
Jun 11 — Jun 181
From?
To?
Tue 6/11
Tue 6/18
1 adult, Economy
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The best prices from Seattle/Tacoma Intl to Bilbao are usually found in February or November, booked 16 days in advance, depart on a Monday or Tuesday and return on a Tuesday

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 June 6, 2024.

Popular in

June

Cheapest in

February

Round-trip from

$561

One-way from

$552
High demand for flights, 34% potential price rise
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Best time to find cheap flights, 53% potential price drop
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From Seattle/Tacoma Intl to Bilbao
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One-way flight from Seattle/Tacoma Intl to Bilbao
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What is the cheapest day to fly round-trip from Seattle to Bilbao?

Travelers have found that booking a Sunday departure is the best way to save up to 68% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

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

To save up to 225% on this flight, we recommend booking at least 17 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Seattle to Bilbao from $1,196 1-2 weeks out and tickets from $1,711 for flights departing within the next 72 hours.

What is the cheapest month to fly from Seattle to Bilbao?

Due to multiple factors, expect to potentially pay more when booking in June. For low rates, February can be a great choice for travel to Bilbao. Flights to Bilbao from Seattle in February are about $1,120 on average during February, but can be found for as low as $476.

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

It’s optimal to fly from Seattle to Bilbao in the morning. By choosing this option you can save up to 11% on the cost of your flight, compared to a flight in the afternoon.

Cheap Seattle to Bilbao flights in June & July 2024

Find cheap flight options from Seattle to Bilbao specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,050,429 searches. Prices were last updated on June 6, 2024.
Listed are some of the best fares we've found on flights departing from Seattle to Bilbao in 2024. Check back regularly for other flight deals.
Sun 7/146:00 amSEA - BIO
2 stops18h 55mDelta
Tue 7/2311:40 amBIO - SEA
2 stops19h 45mDelta
Deal found 6/4$887
Sun 7/146:15 pmSEA - BIO
1 stop18h 45mKLM
Tue 7/2311:40 amBIO - SEA
1 stop14h 55mKLM
Deal found 6/4$920
Sun 7/146:00 amSEA - BIO
2 stops18h 55mDelta
Tue 7/237:10 amBIO - SEA
1 stop19h 25mDelta
Deal found 6/4$1,016
Sun 7/143:50 pmSEA - BIO
3 stops31h 25mMultiple Airlines
Tue 7/237:55 pmBIO - SEA
3 stops33h 27mMultiple Airlines
Deal found 6/4$1,108
Sat 7/131:14 amSEA - BIO
2 stops34h 36mAmerican Airlines
Tue 7/236:45 amBIO - SEA
2 stops24h 13mAmerican Airlines
Deal found 6/4$1,123
Sun 7/143:50 pmSEA - BIO
2 stops21h 40mMultiple Airlines
Tue 7/237:55 pmBIO - SEA
3 stops33h 27mMultiple Airlines
Deal found 6/4$1,161
Fri 7/56:50 pmSEA - BIO
1 stop19h 35mLufthansa
Sat 7/137:00 pmBIO - SEA
2 stops30h 59mLufthansa
Deal found 6/5$1,332
Fri 7/56:15 pmSEA - BIO
1 stop18h 45mKLM
Sat 7/1310:20 amBIO - SEA
1 stop16h 15mKLM
Deal found 6/5$1,342
Fri 7/57:10 amSEA - BIO
2 stops29h 50mAir France
Sat 7/137:10 amBIO - SEA
2 stops21h 28mAir France
Deal found 6/5$1,403

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 3,050,429 searches. Data last updated June 6, 2024.
Listed are some of the best fares we've found on flights departing from Seattle to Bilbao in 2024. Check back regularly for other flight deals.
Sun 10/136:15 pmSEA - BIO
1 stop18h 45mAir France
Thu 10/317:20 amBIO - SEA
1 stop15h 50mAir France
Deal found 6/5$712
Sun 10/137:40 amSEA - BIO
2 stops24h 15mAmerican Airlines
Thu 10/311:35 pmBIO - SEA
2 stops28h 02mAmerican Airlines
Deal found 6/5$715
Sun 10/136:15 pmSEA - BIO
1 stop14h 05mAir France
Thu 10/317:20 amBIO - SEA
2 stops19h 11mAir France
Deal found 6/5$722
Tue 8/205:50 amSEA - BIO
2 stops40h 45mMultiple Airlines
Thu 9/128:25 amBIO - SEA
2 stops19h 01mMultiple Airlines
Deal found 6/5$809
Tue 8/206:15 pmSEA - BIO
1 stop18h 45mKLM
Thu 9/127:10 amBIO - SEA
1 stop19h 40mKLM
Deal found 6/5$817
Tue 8/206:50 pmSEA - BIO
1 stop19h 35mUnited Airlines
Thu 9/127:35 amBIO - SEA
2 stops24h 25mUnited Airlines
Deal found 6/5$823
Sun 10/133:10 pmSEA - BIO
2 stops17h 40mMultiple Airlines
Thu 10/311:05 pmBIO - SEA
3 stops33h 26mMultiple Airlines
Deal found 6/5$827
Mon 9/26:15 pmSEA - BIO
1 stop18h 45mKLM
Thu 9/1210:30 amBIO - SEA
1 stop16h 20mKLM
Deal found 6/5$872
Sun 7/146:00 amSEA - BIO
2 stops18h 55mDelta
Tue 7/2311:40 amBIO - SEA
2 stops19h 45mDelta
Deal found 6/4$887

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 3,050,429 searches. Data last updated June 6, 2024.
Some of the best available deals we've found on one-way flights from Seattle to Bilbao. Those needing a return flight from Seattle to Bilbao can use the search form above.
Mon 10/77:00 amSEA - BIO
3 stops43h 30mMultiple Airlines
Deal found 6/5$281
Thu 10/1010:06 pmSEA - BIO
3 stops39h 19mMultiple Airlines
Deal found 6/5$316
Mon 10/73:50 pmSEA - BIO
2 stops21h 50mMultiple Airlines
Deal found 6/5$326
Wed 10/99:14 amSEA - BIO
2 stops28h 26mMultiple Airlines
Deal found 6/5$330
Wed 10/91:50 pmSEA - BIO
3 stops23h 50mMultiple Airlines
Deal found 6/5$335
Sun 9/86:37 pmSEA - BIO
3 stops43h 03mMultiple Airlines
Deal found 6/5$343
Tue 10/86:37 pmSEA - BIO
3 stops43h 03mMultiple Airlines
Deal found 6/5$346
Thu 10/103:50 pmSEA - BIO
2 stops17h 35mMultiple Airlines
Deal found 6/6$380
Thu 10/103:50 pmSEA - BIO
2 stops17h 35mMultiple Airlines
Deal found 6/5$385

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 3,050,429 searches. Data last updated June 6, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$709 - $1,332

Route

Depart

Return

Price

Seattle/Tacoma IntlBilbao

SEA - BIO

SEABIO

Seattle/Tacoma Intl

Sun 10/13

2 stops27h 50m

Bilbao

Thu 10/31

2 stops29h 18m

$709

Seattle/Tacoma IntlBilbao

SEA - BIO

SEABIO

Seattle/Tacoma Intl

Sun 10/13

1 stop18h 45m

Bilbao

Thu 10/31

1 stop15h 50m

$712

Seattle/Tacoma IntlBilbao

SEA - BIO

SEABIO

Seattle/Tacoma Intl

Sun 10/13

2 stops24h 15m

Bilbao

Thu 10/31

2 stops28h 02m

$715

Seattle/Tacoma IntlBilbao

SEA - BIO

SEABIO

Seattle/Tacoma Intl

Sun 10/13

2 stops38h 10m

Bilbao

Thu 10/31

1 stop34h 45m

$717

Seattle/Tacoma IntlBilbao

SEA - BIO

SEABIO

Seattle/Tacoma Intl

Sun 10/13

1 stop14h 05m

Bilbao

Thu 10/31

2 stops19h 11m

$722

Seattle/Tacoma IntlBilbao

SEA - BIO

SEABIO

Seattle/Tacoma Intl

Tue 8/20

2 stops40h 45m

Bilbao

Thu 9/12

2 stops19h 01m

$809

Seattle/Tacoma IntlBilbao

SEA - BIO

SEABIO

Seattle/Tacoma Intl

Tue 8/20

1 stop18h 45m

Bilbao

Thu 9/12

1 stop19h 40m

$817

Seattle/Tacoma IntlBilbao

SEA - BIO

SEABIO

Seattle/Tacoma Intl

Sun 7/14

2 stops18h 55m

Bilbao

Tue 7/23

2 stops19h 45m

$887

Seattle/Tacoma IntlBilbao

SEA - BIO

SEABIO

Seattle/Tacoma Intl

Fri 7/5

1 stop19h 35m

Bilbao

Sat 7/13

2 stops30h 59m

$1,332

Flights are sorted by cheapest first

Deals found on 6/6

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 May 31, 2024.
The best time to book flights from Seattle to Bilbao is 16 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.
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What is the cheapest day to fly from Seattle to Bilbao?

Use this chart to determine the cheapest time to fly round-trip from Seattle to Bilbao. Price data was last updated on June 2, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Seattle to Bilbao flight should consider departing on Monday mornings when fares are most often at their lowest. Wednesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

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.

Temperature and rainfall in Bilbao by month

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

BIO

Temperature

48.2 - 68 °F

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 June 6, 2024.
To help decide which airline to fly from Seattle to Bilbao, see what other customers have to say about Air France, Delta and American Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
10,368 reviews

Boarding

8.2

Overall

8.0

Comfort

7.9

Entertainment

8.0

Food

7.4

Crew

8.6

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Delta
8.0
Very good
10,368 reviews
Delta
8.0
Very good
10,368 reviews

Boarding

8.2

Overall

8.0

Comfort

7.9

Entertainment

8.0

Food

7.4

Crew

8.6

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

KLM
7.9
Good
1,489 reviews
Delta
8.0
Very good
10,368 reviews

Boarding

8.2

Overall

8.0

Comfort

7.9

Entertainment

8.0

Food

7.4

Crew

8.6

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Air France
7.5
Good
1,720 reviews
Delta
8.0
Very good
10,368 reviews

Boarding

8.2

Overall

8.0

Comfort

7.9

Entertainment

8.0

Food

7.4

Crew

8.6

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Turkish Airlines
7.4
Good
3,718 reviews
Delta
8.0
Very good
10,368 reviews

Boarding

8.2

Overall

8.0

Comfort

7.9

Entertainment

8.0

Food

7.4

Crew

8.6

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

United Airlines
7.4
Good
10,696 reviews
Delta
8.0
Very good
10,368 reviews

Boarding

8.2

Overall

8.0

Comfort

7.9

Entertainment

8.0

Food

7.4

Crew

8.6

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

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 $800 on Cheapflights?

    Yes, there are multiple flights from Seattle to Bilbao for under $800. The cheapest flight booked recently is on American Airlines for just $709, but on average you can expect to pay $881.

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

    Cheapflights users have booked flights from Seattle to Bilbao round-trip from $709. Other airlines that can offer you cheap pricing are Air France, from $712, and United Airlines, from $717. American Airlines 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 Aer Lingus ($552), Lufthansa ($683), and United Airlines ($687).

  • 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 6/5.

  • What are the most popular airlines that fly from Seattle to Bilbao?

    The most popular airlines flying from Seattle to Bilbao are Air France, Delta and KLM. Something to consider prior to booking your flight.

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

    Currently, January is the cheapest month in which you can book a flight from Seattle to Bilbao (average of $561). Flying from Seattle to Bilbao in June is currently the most expensive (average of $1,237). 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 Seattle to Bilbao
See prices for flight routes from nearby airports that may be better suited for you.

Portland to Bilbao flights
Seattle to San Sebastian flights
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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 3,050,429 searches. Data last updated June 6, 2024.
AirlineCheapestAverageFlexibilityOn-time
Air FranceCheapest$637Average$1,264FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$663Average$1,129FlexibilityNo cancel feeOn-time76%
DeltaCheapest$774Average$1,233FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$802Average$1,223FlexibilityNo cancel feeOn-time69%
KLMCheapest$830Average$1,527FlexibilityNo cancel feeOn-time75%
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Search flights from Seattle to Bilbao by cabin class

Find flights from Seattle to Bilbao, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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