Which airports can I use when flying from Seattle to Bilbao?

Flights from Seattle to Bilbao usually depart from Seattle/Tacoma Intl (SEA) and arrive at Bilbao (BIO).

What cabin classes can I book on flights from Seattle to Bilbao?

Three cabin classes are available on flights from Seattle to Bilbao: • Economy Class • Premium Economy Class • Business Class

Which airports do connecting flights from Seattle to Bilbao pass through?

One-stop flights from Seattle to Bilbao most commonly connect through: • Frankfurt am Main (FRA) - 40% of one-stop connections • Munich Franz Josef Strauss (MUC) - 27% of one-stop connections • Amsterdam Schiphol (AMS) - 25% of one-stop connections • Paris Charles de Gaulle (CDG) - 6% of one-stop connections Frankfurt am Main (FRA) handles the largest share of one-stop connections on this route.

Can I save money by using flexible dates for flights from Seattle to Bilbao?

Yes. Being flexible with your travel dates can save you up to 18% on the Seattle to Bilbao route. Thursday is the cheapest departure day at $819 round-trip on average, while Sunday is the most expensive at $989, a difference of $170. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

How long is a flight from Seattle to Bilbao?

A nonstop flight from Seattle to Bilbao takes 0h 00m, covering 5,159 miles.

Do I need a passport to fly from Seattle to Bilbao?

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

How are flight prices from Seattle to Bilbao looking right now?

One-way fares from Seattle to Bilbao are currently higher than usual. Average one-way flight prices are about $733, which is 39% above the typical average for this route.

How much time can I save by choosing a different layover airport from Seattle to Bilbao?

Flying via Amsterdam Schiphol (AMS) gives the shortest average 1-stop total travel time at 13h 52m, compared with 14h 18m via Munich Franz Josef Strauss (MUC) and 15h 36m via Frankfurt am Main (FRA).

What is the time difference between Seattle and Bilbao?

Bilbao is 9 hours ahead of Seattle (Central European Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

What car rental options are available at Bilbao Airport (BIO)?

Bilbao Airport (BIO) hosts 5 major car rental companies, with daily rates starting from around $2 for economy cars. Top options include: • Record go • Goldcar Rental SP • CLICK RENT • Rentbycar • Centauro

How much should I expect to pay for a Seattle to Bilbao flight?

Round-trip flights from Seattle to Bilbao range from $802 to $1,040, with an average of $899 over the past 12 months. Anything below $802 counts as a good deal.

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

United Airlines ($592) and Lufthansa ($607) are the cheapest airlines to fly round-trip from Seattle to Bilbao according to KAYAK data over the last 5 days.

What is the most popular layover airport when flying from Seattle to Bilbao?

Frankfurt am Main (FRA) is the most popular layover for the Seattle to Bilbao route. 40% of KAYAK users who booked 1-stop round-trips over the past 3 months connected via FRA.

What is the cheapest layover airport when flying from Seattle to Bilbao?

Flights via Frankfurt am Main (FRA) offer the most affordable fares, with an average round-trip price of $918. Based on KAYAK data over the past 3 months.

When flying from Seattle to Bilbao which airport offers the shortest layover?

Amsterdam Schiphol (AMS) had the shortest average connection time for Seattle to Bilbao layovers at 475 minutes over the past 3 months.

$367 CHEAP FLIGHTS from Seattle to Bilbao (SEA - BIO)

Save 21% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Cheapest round-trip

$592

Typical prices: $802-$1,040

United Airlines

Sat 9/22Sat 10/6

SEA - BIO • 1 stop

Cheapest one-way

$367

Typical prices: $454-$644

Multiple Airlines

Tue 9/25

SEA - BIO • 3 stops

Nonstop flights

Not available

There are currently no direct flights between Seattle and Bilbao. You'll need to take a connecting flight to reach the destination.

Insights

When to travel

January

Cheapest • 46% price drop

August

Most popular

Good to know

Top layover airports

Frankfurt am Main (FRA)

Cheapest • Avg $918 (round-trip)

Amsterdam Schiphol (AMS)

Shortest trip • 13h 52m (one-way)

Insights

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We hope you love your trip to Bilbao!

Flight Deals

Cheap Flights from Seattle to Bilbao (SEA-BIO)

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Seattle to Bilbao

Tue, Sep 22 - Tue, Oct 6

7:30 am - 10:45 amSEA Seattle/Tacoma Intl-BIO Bilbao

18h 15m1 stop Newark

11:55 am - 4:59 pmBIO Bilbao-SEA Seattle/Tacoma Intl

14h 04m1 stop Munich Franz Josef Strauss

$592United Airlines

Tue, Sep 22 - Tue, Oct 6

7:11 am - 10:45 amSEA Seattle/Tacoma Intl-BIO Bilbao

18h 34m2 stops San Francisco Newark

11:55 am - 4:59 pmBIO Bilbao-SEA Seattle/Tacoma Intl

14h 04m1 stop Munich Franz Josef Strauss

$596United Airlines

Tue, Sep 22 - Tue, Oct 6

6:50 pm - 11:25 pmSEA Seattle/Tacoma Intl-BIO Bilbao

19h 35m1 stop Munich Franz Josef Strauss

8:55 pm - 6:32 pmBIO Bilbao-SEA Seattle/Tacoma Intl

30h 37m2 stops Zurich Vancouver Intl

$597Multiple Airlines

Mon, Jan 11 - Wed, Jan 20

6:45 pm - 11:15 pmSEA Seattle/Tacoma Intl-BIO Bilbao

19h 30m2 stops London Heathrow Madrid Barajas

9:15 am - 10:38 pmBIO Bilbao-SEA Seattle/Tacoma Intl

22h 23m2 stops Madrid Barajas Dallas/Fort Worth

$605Multiple Airlines

Tue, Sep 22 - Tue, Oct 6

6:50 pm - 5:55 pmSEA Seattle/Tacoma Intl-BIO Bilbao

14h 05m1 stop Munich Franz Josef Strauss

7:15 am - 4:59 pmBIO Bilbao-SEA Seattle/Tacoma Intl

18h 44m1 stop Munich Franz Josef Strauss

$607Lufthansa

Sun, Sep 27 - Thu, Oct 8

6:50 pm - 11:25 pmSEA Seattle/Tacoma Intl-BIO Bilbao

19h 35m1 stop Munich Franz Josef Strauss

7:15 am - 4:59 pmBIO Bilbao-SEA Seattle/Tacoma Intl

18h 44m1 stop Munich Franz Josef Strauss

$607Lufthansa

Mon, Jan 11 - Thu, Jan 21

7:15 am - 11:45 amSEA Seattle/Tacoma Intl-BIO Bilbao

19h 30m2 stops New York John F Kennedy Intl Madrid Barajas

6:50 am - 11:50 amBIO Bilbao-SEA Seattle/Tacoma Intl

14h 00m1 stop Amsterdam Schiphol

$681KLM

Tue, Jan 12 - Tue, Jan 19

7:15 am - 11:50 amSEA Seattle/Tacoma Intl-BIO Bilbao

19h 35m2 stops New York John F Kennedy Intl Madrid Barajas

7:10 am - 1:50 pmBIO Bilbao-SEA Seattle/Tacoma Intl

15h 40m1 stop Paris Charles de Gaulle

$688KLM

Mon, Jan 11 - Fri, Jan 22

3:25 pm - 11:30 amSEA Seattle/Tacoma Intl-BIO Bilbao

35h 05m1 stop Paris Charles de Gaulle

6:50 am - 11:50 amBIO Bilbao-SEA Seattle/Tacoma Intl

14h 00m1 stop Amsterdam Schiphol

$698Delta

Tue, Jan 12 - Fri, Jan 22

4:05 pm - 11:30 amSEA Seattle/Tacoma Intl-BIO Bilbao

34h 25m1 stop Paris Charles de Gaulle

6:50 am - 11:50 amBIO Bilbao-SEA Seattle/Tacoma Intl

14h 00m1 stop Amsterdam Schiphol

$698Delta

Recent last minute flight deals from Seattle to Bilbao

Sat, Sep 12 - Sun, Nov 1

2:10 pm - 1:25 pmSEA Seattle/Tacoma Intl-BIO Bilbao

14h 15m1 stop Frankfurt am Main

5:50 pm - 12:00 pmBIO Bilbao-SEA Seattle/Tacoma Intl

27h 10m1 stop Frankfurt am Main

$6,137Lufthansa

Fri, Sep 11 - Sun, Nov 1

2:10 pm - 10:50 pmSEA Seattle/Tacoma Intl-BIO Bilbao

23h 40m1 stop Frankfurt am Main

12:25 pm - 12:00 pmBIO Bilbao-SEA Seattle/Tacoma Intl

32h 35m1 stop Frankfurt am Main

$6,150Lufthansa

Sun, Sep 13 - Sun, Nov 1

6:50 pm - 11:25 pmSEA Seattle/Tacoma Intl-BIO Bilbao

19h 35m1 stop Munich Franz Josef Strauss

5:50 pm - 12:00 pmBIO Bilbao-SEA Seattle/Tacoma Intl

27h 10m1 stop Frankfurt am Main

$6,239Lufthansa

Sun, Sep 13 - Sun, Nov 1

7:00 am - 7:35 pmSEA Seattle/Tacoma Intl-BIO Bilbao

27h 35m2 stops New York John F Kennedy Intl Casablanca Mohamed V

5:15 pm - 6:10 pmBIO Bilbao-SEA Seattle/Tacoma Intl

33h 55m1 stop Istanbul

$6,567Multiple Airlines

Sat, Sep 12 - Sun, Nov 1

1:13 pm - 7:35 pmSEA Seattle/Tacoma Intl-BIO Bilbao

45h 22m2 stops Los Angeles Casablanca Mohamed V

5:15 pm - 6:10 pmBIO Bilbao-SEA Seattle/Tacoma Intl

33h 55m1 stop Istanbul

$6,667Multiple Airlines

Fri, Sep 11 - Sun, Nov 1

6:00 pm - 5:00 pmSEA Seattle/Tacoma Intl-BIO Bilbao

14h 00m1 stop Frankfurt am Main

8:40 pm - 9:06 amBIO Bilbao-SEA Seattle/Tacoma Intl

45h 26m2 stops Paris Orly Calgary

$6,683Multiple Airlines

Sun, Sep 13 - Sun, Nov 1

1:40 pm - 4:55 pmSEA Seattle/Tacoma Intl-BIO Bilbao

18h 15m2 stops Chicago O'Hare Intl Madrid Barajas

9:15 am - 9:20 pmBIO Bilbao-SEA Seattle/Tacoma Intl

20h 05m2 stops Madrid Barajas Chicago O'Hare Intl

$8,457British Airways

Sat, Sep 12 - Sun, Nov 1

10:59 am - 4:55 pmSEA Seattle/Tacoma Intl-BIO Bilbao

20h 56m2 stops Chicago O'Hare Intl Madrid Barajas

9:15 am - 9:20 pmBIO Bilbao-SEA Seattle/Tacoma Intl

20h 05m2 stops Madrid Barajas Chicago O'Hare Intl

$8,457Iberia

Fri, Sep 11 - Sun, Nov 1

1:40 pm - 4:55 pmSEA Seattle/Tacoma Intl-BIO Bilbao

18h 15m2 stops Chicago O'Hare Intl Madrid Barajas

9:15 am - 9:20 pmBIO Bilbao-SEA Seattle/Tacoma Intl

20h 05m2 stops Madrid Barajas Chicago O'Hare Intl

$9,999British Airways

Booking Insights

Price, demand and travel trends for Seattle to Bilbao flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Seattle to Bilbao with more confidence.

Prices

Airlines

Layovers

How much is a round-trip flight from Seattle to Bilbao?

Round-trip flights from Seattle to Bilbao start at $592. Prices are below average for this route right now, with typical round-trip fares ranging from $802 to $1,040. The lowest price found in the past 5 days was $592 on United Airlines.

What's the cheapest day of the week to fly from Seattle to Bilbao?

Thursday is the cheapest day of the week to fly from Seattle to Bilbao, it is 9% cheaper than the average day. Sunday is the most expensive day with flight prices 10% higher than average. Based on deals found by KAYAK users in the last 12 months.

Find deals

Low season	February
High season	August
Cheapest flight	$367

Most popular time to fly with an average 4% increase in price.

Flight from Seattle to Bilbao

When to book flights from Seattle to Bilbao

Are your dates flexible? Find out the best times to travel from Seattle to Bilbao based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

Which airports can I use when flying from Seattle to Bilbao?
Flights from Seattle to Bilbao usually depart from Seattle/Tacoma Intl (SEA) and arrive at Bilbao (BIO).
What cabin classes can I book on flights from Seattle to Bilbao?
Three cabin classes are available on flights from Seattle to Bilbao:

• Economy Class
• Premium Economy Class
• Business Class
Which airports do connecting flights from Seattle to Bilbao pass through?
One-stop flights from Seattle to Bilbao most commonly connect through:

• Frankfurt am Main (FRA) - 40% of one-stop connections
• Munich Franz Josef Strauss (MUC) - 27% of one-stop connections
• Amsterdam Schiphol (AMS) - 25% of one-stop connections
• Paris Charles de Gaulle (CDG) - 6% of one-stop connections

Frankfurt am Main (FRA) handles the largest share of one-stop connections on this route.
Can I save money by using flexible dates for flights from Seattle to Bilbao?
Yes. Being flexible with your travel dates can save you up to 18% on the Seattle to Bilbao route. Thursday is the cheapest departure day at $819 round-trip on average, while Sunday is the most expensive at $989, a difference of $170. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.
How long is a flight from Seattle to Bilbao?
A nonstop flight from Seattle to Bilbao takes 0h 00m, covering 5,159 miles.
Do I need a passport to fly from Seattle to Bilbao?
Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.
How are flight prices from Seattle to Bilbao looking right now?
One-way fares from Seattle to Bilbao are currently higher than usual. Average one-way flight prices are about $733, which is 39% above the typical average for this route.
How much time can I save by choosing a different layover airport from Seattle to Bilbao?
Flying via Amsterdam Schiphol (AMS) gives the shortest average 1-stop total travel time at 13h 52m, compared with 14h 18m via Munich Franz Josef Strauss (MUC) and 15h 36m via Frankfurt am Main (FRA).
What is the time difference between Seattle and Bilbao?
Bilbao is 9 hours ahead of Seattle (Central European Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.
What car rental options are available at Bilbao Airport (BIO)?
Bilbao Airport (BIO) hosts 5 major car rental companies, with daily rates starting from around $2 for economy cars. Top options include:
• Record go
• Goldcar Rental SP
• CLICK RENT
• Rentbycar
• Centauro
How much should I expect to pay for a Seattle to Bilbao flight?
Round-trip flights from Seattle to Bilbao range from $802 to $1,040, with an average of $899 over the past 12 months. Anything below $802 counts as a good deal.

If your dates can be flexible, aim for a Thursday departure instead of Sunday. On this route, Thursday flights average $819 - about $170 less than Sunday (17% savings) based on the last 12 months.
If you can choose when to travel, plan your Seattle to Bilbao trip for January. Fares historically average $484 round-trip in that month - typically $723 less than the most expensive month, which is July (based on the last 12 months).

More options for your flight from Seattle to Bilbao

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SEA - BIO

$367 Find Cheap Flights from Seattle to Bilbao - Compare and Save

Everything you should know

Cheap Flights from Seattle to Bilbao (SEA-BIO)

Recent round-trip flight deals from Seattle to Bilbao

Recent one-way flight deals from Seattle to Bilbao

Recent last minute flight deals from Seattle to Bilbao

Price, demand and travel trends for Seattle to Bilbao flights

How much is a round-trip flight from Seattle to Bilbao?

What's the cheapest day of the week to fly from Seattle to Bilbao?

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

What is the most popular layover airport when flying from Seattle to Bilbao?

What is the cheapest layover airport when flying from Seattle to Bilbao?

When flying from Seattle to Bilbao which airport offers the shortest layover?

Key details for Seattle to Bilbao flights

Low season

High season

Cheapest flight

When to book flights from Seattle to Bilbao

Your Seattle to Bilbao flight questions, answered

Your guide to booking Seattle to Bilbao flights

More options for your flight from Seattle to Bilbao

Complete your trip to Bilbao with a hotel stay or car rental

Information on your arrival and departure airports

Cabin class types available on flights from Seattle to Bilbao

Find direct flights to and from Seattle and Bilbao

Flights from domestic origins to Bilbao

Flights to other popular destinations

Find deals for your return flight