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Cheap flights from Seattle (SEA) to Bilbao (BIO) from $448

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 8/16. 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 7 — Jun 141
From?
To?
Fri 6/7
Fri 6/14
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 2, 2024.

Popular in

June

Cheapest in

February

Round-trip from

$561

One-way from

$472
High demand for flights, 33% 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 $1,123 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 9% on the cost of your flight, compared to a flight in the afternoon.

Cheap Lufthansa flights from Seattle to Bilbao

Explore cheap flight options specifically provided by Lufthansa for the route between Seattle and Bilbao. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,810,401 searches. Data last updated June 2, 2024.
Peruse some of the lowest-priced Lufthansa flights we've found from Seattle to Bilbao. Be sure to come back soon if the deals available don't appeal to you at this time.
Fri 8/236:50 pmSEA - BIO
1 stop14h 00mLufthansa
Fri 9/137:35 amBIO - SEA
2 stops23h 45mLufthansa
Deal found 6/1$4,463
Fri 8/237:00 amSEA - BIO
2 stops18h 50mLufthansa
Fri 9/1311:35 amBIO - SEA
1 stop14h 24mLufthansa
Deal found 6/2$4,468
Sun 8/186:50 pmSEA - BIO
1 stop19h 35mLufthansa
Sat 9/76:45 amBIO - SEA
2 stops20h 41mLufthansa
Deal found 6/1$4,526

Cheap Turkish Airlines flights from Seattle to Bilbao

Explore cheap flight options specifically provided by Turkish Airlines for the route between Seattle and Bilbao. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,810,401 searches. Data last updated June 2, 2024.
Browse through some of the cheapest Turkish Airlines flights traveling from Seattle to Bilbao. Ensure the flight price, dates, time, and airline match your criteria before you book.
Sun 8/186:40 pmSEA - BIO
1 stop31h 30mTurkish Airlines
Sat 9/712:10 pmBIO - SEA
1 stop37h 35mTurkish Airlines
Deal found 6/1$3,591
Fri 8/236:40 pmSEA - BIO
1 stop37h 45mTurkish Airlines
Fri 9/1312:10 pmBIO - SEA
1 stop31h 20mTurkish Airlines
Deal found 6/1$4,462

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 2,810,401 searches. Prices were last updated on June 2, 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.
Tue 6/45:05 pmSEA - BIO
1 stop20h 45mMultiple Airlines
Tue 6/186:45 amBIO - SEA
1 stop17h 10mMultiple Airlines
Deal found 5/31$1,098
Sat 6/15:15 pmSEA - BIO
1 stop20h 35mMultiple Airlines
Sun 6/96:55 pmBIO - SEA
1 stop29h 10mMultiple Airlines
Deal found 5/31$1,115
Tue 6/41:30 pmSEA - BIO
2 stops19h 45mMultiple Airlines
Tue 6/186:45 amBIO - SEA
1 stop17h 10mMultiple Airlines
Deal found 5/31$1,122
Tue 6/49:36 pmSEA - BIO
2 stops35h 39mMultiple Airlines
Tue 6/186:45 amBIO - SEA
2 stops26h 14mMultiple Airlines
Deal found 5/31$1,181
Tue 6/45:55 amSEA - BIO
3 stops25h 20mMultiple Airlines
Tue 6/1811:00 pmBIO - SEA
3 stops27h 40mMultiple Airlines
Deal found 5/31$1,193
Tue 6/47:00 amSEA - BIO
2 stops24h 15mMultiple Airlines
Tue 6/1811:00 pmBIO - SEA
3 stops30h 35mMultiple Airlines
Deal found 5/31$1,244
Thu 6/1311:22 amSEA - BIO
2 stops21h 53mMultiple Airlines
Thu 6/276:45 amBIO - SEA
2 stops22h 02mMultiple Airlines
Deal found 5/31$1,270
Mon 6/37:40 amSEA - BIO
3 stops25h 00mMultiple Airlines
Wed 7/177:00 amBIO - SEA
3 stops26h 35mMultiple Airlines
Deal found 5/31$1,298
Thu 6/137:00 amSEA - BIO
3 stops40h 15mMultiple Airlines
Thu 6/277:35 amBIO - SEA
3 stops33h 57mMultiple Airlines
Deal found 5/31$1,310

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 2,810,401 searches. Data last updated June 2, 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.
Mon 12/22:00 pmSEA - BIO
1 stop17h 35mLufthansa
Fri 3/216:45 amBIO - SEA
2 stops19h 41mLufthansa
Deal found 6/2$651
Fri 11/812:40 pmSEA - BIO
1 stop19h 50mKLM
Tue 11/125:20 pmBIO - SEA
1 stop25h 55mKLM
Deal found 6/1$659
Mon 12/22:00 pmSEA - BIO
1 stop17h 35mLufthansa
Fri 3/216:45 amBIO - SEA
1 stop14h 25mLufthansa
Deal found 6/2$662
Fri 11/812:40 pmSEA - BIO
1 stop19h 50mKLM
Tue 11/126:50 amBIO - SEA
2 stops17h 50mKLM
Deal found 6/1$670
Fri 11/811:15 amSEA - BIO
2 stops21h 15mDelta
Tue 11/126:50 amBIO - SEA
2 stops18h 30mDelta
Deal found 6/1$674
Sun 10/136:15 pmSEA - BIO
1 stop18h 45mKLM
Thu 10/317:20 amBIO - SEA
1 stop14h 00mKLM
Deal found 6/2$712
Mon 10/71:58 pmSEA - BIO
2 stops21h 52mAmerican Airlines
Tue 10/159:15 amBIO - SEA
2 stops22h 35mAmerican Airlines
Deal found 5/31$713
Sun 10/1311:51 amSEA - BIO
2 stops20h 04mAmerican Airlines
Thu 10/311:35 pmBIO - SEA
2 stops28h 02mAmerican Airlines
Deal found 6/1$715
Mon 12/29:25 amSEA - BIO
2 stops23h 05mDelta
Thu 4/310:30 amBIO - SEA
1 stop16h 10mDelta
Deal found 6/2$716

Seattle to Bilbao flights leaving soon

Find last-minute flight options from Seattle to Bilbao for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,810,401 searches. Data last updated June 2, 2024.
Consider one of these great deals we found on last-minute flights from Seattle to Bilbao. It's wise to confirm all flight details are correct before booking.
Wed 6/121:14 amSEA - BIO
2 stops26h 41mAmerican Airlines
Thu 6/279:15 amBIO - SEA
2 stops24h 32mAmerican Airlines
Deal found 5/31$3,300

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 2,810,401 searches. Data last updated June 2, 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.
Fri 8/168:35 pmSEA - BIO
3 stops52h 15mMultiple Airlines
Deal found 5/31$448
Fri 8/165:30 amSEA - BIO
2 stops42h 50mMultiple Airlines
Deal found 5/31$472
Fri 8/165:40 pmSEA - BIO
1 stop15h 35mMultiple Airlines
Deal found 5/31$729
Thu 8/1512:30 amSEA - BIO
2 stops37h 55mUnited Airlines
Deal found 5/31$932

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 2,810,401 searches. Data last updated June 2, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$1,270 - $5,152

Route

Depart

Return

Price

Seattle/Tacoma IntlBilbao

SEA - BIO

SEABIO

Seattle/Tacoma Intl

Thu 6/13

2 stops21h 53m

Bilbao

Thu 6/27

2 stops22h 02m

$1,270

Seattle/Tacoma IntlBilbao

SEA - BIO

SEABIO

Seattle/Tacoma Intl

Thu 6/13

3 stops40h 15m

Bilbao

Thu 6/27

3 stops33h 57m

$1,310

Seattle/Tacoma IntlBilbao

SEA - BIO

SEABIO

Seattle/Tacoma Intl

Thu 6/13

1 stop16h 10m

Bilbao

Thu 6/27

2 stops22h 02m

$1,440

Seattle/Tacoma IntlBilbao

SEA - BIO

SEABIO

Seattle/Tacoma Intl

Thu 6/13

2 stops24h 15m

Bilbao

Thu 6/27

3 stops33h 57m

$1,545

Seattle/Tacoma IntlBilbao

SEA - BIO

SEABIO

Seattle/Tacoma Intl

Thu 6/13

1 stop35h 15m

Bilbao

Thu 6/27

1 stop17h 15m

$1,653

Seattle/Tacoma IntlBilbao

SEA - BIO

SEABIO

Seattle/Tacoma Intl

Wed 6/12

2 stops26h 41m

Bilbao

Thu 6/27

2 stops24h 32m

$3,300

Seattle/Tacoma IntlBilbao

SEA - BIO

SEABIO

Seattle/Tacoma Intl

Sun 8/18

1 stop31h 30m

Bilbao

Sat 9/7

1 stop37h 35m

$3,591

Seattle/Tacoma IntlBilbao

SEA - BIO

SEABIO

Seattle/Tacoma Intl

Fri 8/23

1 stop14h 00m

Bilbao

Fri 9/13

2 stops23h 45m

$4,463

Seattle/Tacoma IntlBilbao

SEA - BIO

SEABIO

Seattle/Tacoma Intl

Sat 8/17

2 stops27h 30m

Bilbao

Sat 9/7

1 stop14h 30m

$5,152

Flights are sorted by cheapest first

Deals found on 5/31

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 24, 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.
Search Deals

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 May 26, 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

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 2, 2024.
To help decide which airline to fly from Seattle to Bilbao, see what other customers have to say about Lufthansa, Turkish Airlines 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.
Turkish Airlines
7.4
Good
3,711 reviews
Check prices

Food

7.4

Comfort

7.4

Entertainment

7.5

Crew

7.8

Boarding

7.4

Overall

7.4

Reviews

1 / 10

Maybe the plane was an older one... there was less room than I remember. Certainly less room that Qatar or Emirates. But food was ok. I have flown Turkish Air a few times before and thought I liked the flights better. So maybe it was just me.

Turkish Airlines
7.4
Good
3,711 reviews
Turkish Airlines
7.4
Good
3,711 reviews
Check prices

Food

7.4

Comfort

7.4

Entertainment

7.5

Crew

7.8

Boarding

7.4

Overall

7.4

Reviews

1 / 10

Maybe the plane was an older one... there was less room than I remember. Certainly less room that Qatar or Emirates. But food was ok. I have flown Turkish Air a few times before and thought I liked the flights better. So maybe it was just me.

United Airlines
7.4
Good
10,755 reviews
Turkish Airlines
7.4
Good
3,711 reviews
Check prices

Food

7.4

Comfort

7.4

Entertainment

7.5

Crew

7.8

Boarding

7.4

Overall

7.4

Reviews

1 / 10

Maybe the plane was an older one... there was less room than I remember. Certainly less room that Qatar or Emirates. But food was ok. I have flown Turkish Air a few times before and thought I liked the flights better. So maybe it was just me.

American Airlines
7.3
Good
14,260 reviews
Turkish Airlines
7.4
Good
3,711 reviews
Check prices

Food

7.4

Comfort

7.4

Entertainment

7.5

Crew

7.8

Boarding

7.4

Overall

7.4

Reviews

1 / 10

Maybe the plane was an older one... there was less room than I remember. Certainly less room that Qatar or Emirates. But food was ok. I have flown Turkish Air a few times before and thought I liked the flights better. So maybe it was just me.

Lufthansa
7.0
Good
7,557 reviews
Turkish Airlines
7.4
Good
3,711 reviews
Check prices

Food

7.4

Comfort

7.4

Entertainment

7.5

Crew

7.8

Boarding

7.4

Overall

7.4

Reviews

1 / 10

Maybe the plane was an older one... there was less room than I remember. Certainly less room that Qatar or Emirates. But food was ok. I have flown Turkish Air a few times before and thought I liked the flights better. So maybe it was just me.

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 $1,300 on Cheapflights?

    Yes, there are multiple flights from Seattle to Bilbao for under $1,300. The cheapest flight booked recently is on Multiple Airlines for just $1,270, but on average you can expect to pay $3,311.

  • Are there last-minute flights available from Seattle to Bilbao for under $3,300?

    There are currently 1+ open flights from Seattle to Bilbao within the next 7 days for less than $3,300.

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

    Cheapflights users have booked flights from Seattle to Bilbao round-trip from $3,300. Other airlines that can offer you cheap pricing are Turkish Airlines, from $3,591, and Lufthansa, from $4,463.

  • 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 6/2.

  • 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 $1,276). 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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Alternative routes for Seattle 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 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 2,810,401 searches. Data last updated June 2, 2024.
AirlineCheapestAverageFlexibilityOn-time
Air FranceCheapest$650Average$1,320FlexibilityNo cancel feeOn-time77%
Search Air France flights
LufthansaCheapest$663Average$1,129FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
DeltaCheapest$774Average$1,264FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapest$802Average$1,223FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
KLMCheapest$829Average$1,562FlexibilityNo cancel feeOn-time75%
Search KLM flights
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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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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Seattle to Bilbao?

Deals for Seattle to Bilbao flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Seattle to Bilbao?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Bilbao from Seattle.

Can Cheapflights find flights from Seattle to Bilbao with no change fees?

Certainly. Search results for flights to Bilbao from Seattle shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Seattle to Bilbao become cheaper?

Of course! You can now track prices for flights from Seattle to Bilbao and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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