Bilbao (BIO) → Seattle (SEA)
About Bilbao to Seattle Flights
Discover the best flights from Bilbao to Seattle, covering 8,308 km in approximately 10h 53m. Bilbao (BIO) to Seattle (SEA) is one of the major long-haul routes connecting Spain and United States. With 7 major airlines operating this route, travelers have plenty of options to choose from. Whether you're traveling for business or leisure, our comprehensive guide helps you find the best deals, understand seasonal price variations, and choose the right airline for your journey from Bilbao to Seattle.
12-Month Price History
Flight prices from Bilbao to Seattle vary significantly throughout the year. February typically offers the best deals with average prices around $1540, while July sees the highest prices, averaging $2622. Savvy travelers can save up to 41% by choosing their travel dates wisely.
Best Time to Fly
Cheapest Month
February
Save up to 40% on average
Most Expensive
July
Peak season pricing
Book in Advance
64 days
For best prices
Booking Tips
For the best prices on Bilbao to Seattle flights, we recommend booking 145 days in advance. International flights typically see price increases as the departure date approaches, so early booking is advisable. Tuesday and Wednesday departures often offer the lowest fares, while Friday and Sunday flights tend to be more expensive due to business and leisure travel demand. Consider flying early morning or late evening for additional savings, as these off-peak times usually have lower demand.
Airlines Serving This Route
| Airline | Economy | Business | First |
|---|---|---|---|
Air France AF | $2660 | $11980 | $14920 |
Delta Air Lines DL | $2710 | $10370 | $14110 |
United Airlines UA | $2930 | $10540 | $13560 |
American Airlines AA | $3150 | $9820 | $14990 |
Alaska Airlines AS | $3170 | $9590 | $17470 |
British Airways BA | $3470 | $9970 | $16250 |
Lufthansa LH | $3630 | $11510 | $19120 |
Air France
AF
Economy
$2660
Business
$11980
First
$14920
Delta Air Lines
DL
Economy
$2710
Business
$10370
First
$14110
United Airlines
UA
Economy
$2930
Business
$10540
First
$13560
American Airlines
AA
Economy
$3150
Business
$9820
First
$14990
Alaska Airlines
AS
Economy
$3170
Business
$9590
First
$17470
British Airways
BA
Economy
$3470
Business
$9970
First
$16250
Lufthansa
LH
Economy
$3630
Business
$11510
First
$19120
Prices shown are estimates based on historical data. Actual prices may vary based on dates, availability, and current promotions.
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Frequently Asked Questions
How long is the flight from Bilbao to Seattle?
The flight time from Bilbao (BIO) to Seattle (SEA) is approximately 10 hours and 53 minutes. This duration is for direct flights and may vary depending on aircraft type, weather conditions, and air traffic.
What is the distance between Bilbao and Seattle?
The aerial distance between Bilbao and Seattle is 8,308 kilometers (5,162 miles). This is the straight-line distance, which is used to calculate flight times.
Which airlines fly from Bilbao to Seattle?
Several airlines operate flights between Bilbao and Seattle, including Delta Air Lines, Alaska Airlines, American Airlines and 4 more airlines. Most flights on this route include one or more stops.
What is the cheapest month to fly from Bilbao to Seattle?
Based on historical data, February typically offers the lowest airfares for flights from Bilbao to Seattle. However, prices can vary based on holidays, events, and airline promotions. We recommend checking our price calendar for the most up-to-date information.
How far in advance should I book my flight to Seattle?
For the best prices on Bilbao to Seattle flights, we recommend booking 135 days in advance. International flights generally require earlier booking than domestic routes.
Do I need a visa to travel from Bilbao to Seattle?
Visa requirements depend on your nationality and the purpose of your visit. Citizens of Spain traveling to United States should check the latest visa requirements. Visit our partner site visarequirements.io for detailed visa information.
What is the time difference between Bilbao and Seattle?
Bilbao operates on Europe/Madrid time zone, while Seattle is in the America/Los_Angeles time zone. For current time differences and to plan your schedule, visit our partner site timezig.com for accurate timezone conversions.