Seattle (SEA) → Barcelona (BCN)

8,730 km
11h 25m flight
From $1130
Barcelona destination photo

About Seattle to Barcelona Flights

Discover the best flights from Seattle to Barcelona, covering 8,730 km in approximately 11h 25m. Seattle (SEA) to Barcelona (BCN) is one of the major long-haul routes connecting United States and Spain. 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 Seattle to Barcelona.

12-Month Price History

Flight prices from Seattle to Barcelona vary significantly throughout the year. February typically offers the best deals with average prices around $1557, while August sees the highest prices, averaging $2533. Savvy travelers can save up to 39% by choosing their travel dates wisely.

Best Time to Fly

Cheapest Month

February

Save up to 40% on average

Most Expensive

August

Peak season pricing

Book in Advance

171 days

For best prices

Booking Tips

For the best prices on Seattle to Barcelona 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

United Airlines

UA

Economy

$2530

Business

$9260

First

$12670

Alaska Airlines

AS

Economy

$2630

Business

$8900

First

$13090

Vueling

VY

Economy

$2650

Business

$9070

First

$15610

Iberia

IB

Economy

$2650

Business

$8170

First

$16130

American Airlines

AA

Economy

$2670

Business

$8260

First

$12850

Delta Air Lines

DL

Economy

$2870

Business

$10800

First

$15420

Level

VK

Economy

$2980

Business

$9760

First

$13000

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 Seattle to Barcelona?

The flight time from Seattle (SEA) to Barcelona (BCN) is approximately 11 hours and 25 minutes. This duration is for direct flights and may vary depending on aircraft type, weather conditions, and air traffic.

What is the distance between Seattle and Barcelona?

The aerial distance between Seattle and Barcelona is 8,730 kilometers (5,425 miles). This is the straight-line distance, which is used to calculate flight times.

Which airlines fly from Seattle to Barcelona?

Several airlines operate flights between Seattle and Barcelona, including Delta Air Lines, Alaska Airlines, Iberia and 4 more airlines. Most flights on this route include one or more stops.

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

Based on historical data, February typically offers the lowest airfares for flights from Seattle to Barcelona. 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 Barcelona?

For the best prices on Seattle to Barcelona flights, we recommend booking 118 days in advance. International flights generally require earlier booking than domestic routes.

Do I need a visa to travel from Seattle to Barcelona?

Visa requirements depend on your nationality and the purpose of your visit. Citizens of United States traveling to Spain should check the latest visa requirements. Visit our partner site visarequirements.io for detailed visa information.

What is the time difference between Seattle and Barcelona?

Seattle operates on America/Los_Angeles time zone, while Barcelona is in the Europe/Madrid time zone. For current time differences and to plan your schedule, visit our partner site timezig.com for accurate timezone conversions.