BIO - SEA

$560 Find Cheap Flights from Bilbao to Seattle - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$603
Typical prices: $851-$1,181
Multiple Airlines
Sun 1/14Thu 1/18
BIO - SEA • 2 stops
Cheapest one-way
$560
Typical prices: $672-$1,420
Multiple Airlines
Mon 4/2
BIO - SEA • 3 stops
Nonstop flights
Not available
There are currently no direct flights between Bilbao and Seattle. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
May
Cheapest • 21% price drop
August
Most popular
Good to know
+1
Good to know
+1
Top layover airports
London Heathrow (LHR)
Cheapest • Avg $783 (round-trip)
Munich Franz Josef Strauss (MUC)
Shortest trip • 14h 23m (one-way)
Insights
Insights
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Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Bilbao to Seattle (BIO-SEA)

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

Recent round-trip flight deals from Bilbao to Seattle

Thu, Jan 14 - Mon, Jan 18
Multiple Airlines Logo
5:05 pm - 5:00 pmBIO  Bilbao-SEA Seattle/Tacoma Intl
32h 55m2 stops London Heathrow Reykjavik Keflavik Intl
Multiple Airlines Logo
2:35 pm - 9:55 pmSEA  Seattle/Tacoma Intl-BIO Bilbao
22h 20m2 stops Reykjavik Keflavik Intl London Heathrow
$603Multiple Airlines
Thu, Jan 14 - Mon, Jan 18
Multiple Airlines Logo
5:05 pm - 5:00 pmBIO  Bilbao-SEA Seattle/Tacoma Intl
32h 55m2 stops London Heathrow Reykjavik Keflavik Intl
Multiple Airlines Logo
2:35 pm - 10:25 amSEA  Seattle/Tacoma Intl-BIO Bilbao
34h 50m3 stops Reykjavik Keflavik Intl London Heathrow Barcelona-El Prat
$657Multiple Airlines
Thu, Jan 14 - Mon, Jan 18
Multiple Airlines Logo
1:45 pm - 10:59 amBIO  Bilbao-SEA Seattle/Tacoma Intl
30h 14m2 stops London Heathrow New York John F Kennedy Intl
Multiple Airlines Logo
4:55 pm - 9:55 pmSEA  Seattle/Tacoma Intl-BIO Bilbao
20h 00m1 stop London Heathrow
$702Multiple Airlines
Mon, Nov 9 - Sun, Nov 15
Multiple Airlines Logo
7:50 am - 5:00 pmBIO  Bilbao-SEA Seattle/Tacoma Intl
18h 10m1 stop London Gatwick
Multiple Airlines Logo
6:45 pm - 10:35 pmSEA  Seattle/Tacoma Intl-BIO Bilbao
18h 50m1 stop London Heathrow
$706Multiple Airlines
Mon, Nov 9 - Sun, Nov 15
Multiple Airlines Logo
7:50 am - 5:00 pmBIO  Bilbao-SEA Seattle/Tacoma Intl
18h 10m1 stop London Gatwick
Multiple Airlines Logo
6:45 pm - 10:35 pmSEA  Seattle/Tacoma Intl-BIO Bilbao
18h 50m1 stop London Heathrow
$728Multiple Airlines
Mon, Nov 9 - Sun, Nov 15
Multiple Airlines Logo
9:50 pm - 5:00 pmBIO  Bilbao-SEA Seattle/Tacoma Intl
28h 10m2 stops Barcelona-El Prat London Heathrow
Multiple Airlines Logo
6:45 pm - 9:55 pmSEA  Seattle/Tacoma Intl-BIO Bilbao
18h 10m1 stop London Heathrow
$824Multiple Airlines
Mon, Nov 9 - Sun, Nov 15
Multiple Airlines Logo
9:50 pm - 5:00 pmBIO  Bilbao-SEA Seattle/Tacoma Intl
28h 10m2 stops Barcelona-El Prat London Heathrow
Multiple Airlines Logo
6:45 pm - 9:55 pmSEA  Seattle/Tacoma Intl-BIO Bilbao
18h 10m1 stop London Heathrow
$825Multiple Airlines
Thu, Jan 14 - Mon, Jan 18
Delta Logo
6:50 am - 11:49 amBIO  Bilbao-SEA Seattle/Tacoma Intl
13h 59m1 stop Amsterdam Schiphol
Delta Logo
2:25 pm - 4:30 pmSEA  Seattle/Tacoma Intl-BIO Bilbao
17h 05m1 stop Amsterdam Schiphol
$854Delta
Tue, Feb 9 - Sun, Feb 21
Delta Logo
6:50 am - 11:47 amBIO  Bilbao-SEA Seattle/Tacoma Intl
13h 57m1 stop Amsterdam Schiphol
Delta Logo
3:30 pm - 5:25 pmSEA  Seattle/Tacoma Intl-BIO Bilbao
16h 55m1 stop Paris Charles de Gaulle
$855Delta
Tue, Feb 9 - Sun, Feb 21
Delta Logo
6:50 am - 11:47 amBIO  Bilbao-SEA Seattle/Tacoma Intl
13h 57m1 stop Amsterdam Schiphol
Delta Logo
7:20 am - 11:30 amSEA  Seattle/Tacoma Intl-BIO Bilbao
19h 10m2 stops Boston Logan Intl Paris Charles de Gaulle
$855Delta
Booking Insights

Price, demand and travel trends for Bilbao to Seattle flights

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

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

Based on deals KAYAK users found in the last 12 months, Thursday is the cheapest day of the week to fly from Bilbao to Seattle. It’s 23% cheaper than the average day, while Sunday is the most expensive, with prices 17% higher.

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Key details for Bilbao to Seattle flights

Low season

May

Cheapest flight

$560
Beat the crowds with an average 63% drop in travelers.
The most popular month to fly with an average 17% increase in travelers.
One-way flight from Bilbao to Seattle

When to book flights from Bilbao to Seattle

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

Your Bilbao to Seattle flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

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

    Only Economy Class is available on flights from Bilbao to Seattle.

  • How long is a flight from Bilbao to Seattle?

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

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

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

    Round-trip flights from Bilbao to Seattle range from $851 to $1,181, with an average of $1,037 over the past 12 months. Anything below $851 counts as a good deal.

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

    One-way fares from Bilbao to Seattle are currently lower than usual. Average one-way flight prices are about $590, which is 37% below the typical average for this route.

  • What car rental options are available at Seattle/Tacoma Intl Airport (SEA)?

    Seattle/Tacoma Intl Airport (SEA) hosts 5 major car rental companies, with daily rates averaging $61 for economy cars. Top options include:

    • Fox
    • Europcar
    • Thrifty
    • Budget
    • Hertz

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

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

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

    One-stop flights from Bilbao to Seattle most commonly connect through:

    • Amsterdam Schiphol (AMS) - 46% of one-stop connections
    • Paris Charles de Gaulle (CDG) - 26% of one-stop connections
    • Munich Franz Josef Strauss (MUC) - 18% of one-stop connections
    • Frankfurt am Main (FRA) - 8% of one-stop connections

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

    Yes. Flexible dates can save you up to 35% on flights from Bilbao to Seattle. Thursday is the cheapest departure day at $803 round-trip on average, while Sunday is the most expensive at $1,223, a difference of $420.

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

    Flying via Munich Franz Josef Strauss (MUC) gives the shortest average 1-stop total travel time at 14h 23m, compared with 15h 18m via Paris Charles de Gaulle (CDG) and 15h 45m via London Heathrow (LHR).

  • What is the time difference between Bilbao and Seattle?

    Seattle is 8 hours behind Bilbao (Pacific Time vs Central European Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Seattle?

    Some of the most popular sights in Seattle are Pike Place Market, Lumen Field and Space Needle. These are among the most viewed places in Seattle on KAYAK.

Your guide to booking Bilbao to Seattle flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Thursday departure and avoid flying on Sunday. On this route, Thursday flights average $803, about $420 less than Sunday fares (34% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Bilbao to Seattle trip for May. Fares historically average $816 round-trip in that month - typically $421 less than the most expensive month, which is September (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Seattle/Tacoma Intl Airport.

    • Coast Gateway Hotel
    • Seattle Airport Marriott
    • Fairfield by Marriott Inn & Suites Seattle Sea-Tac Airport

More options for your flight from Bilbao to Seattle

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

Car rentals in Seattle
Hotels in Seattle
Vacations in Seattle