What’s the cost of a flight from Seattle Lake Union to Barcelona?

Prices vary based on date, airline, and availability. Compare several options if you're flying between Seattle and Barcelona.

Choose a date to explore the best fares now.

If possible, avoid holiday periods: ticket prices tend to rise quickly and availability drops, especially on busy routes. Morning and evening flights are often in high demand too — book early to get a good fare.

Flying between Seattle and Barcelona? Consider these airports

Depending on your destination and where you’re starting from, it might make sense to look beyond the main hubs.

• Airports in Seattle: Seattle has 2 airports - Boeing Field, Lake Union.
• Airports in Barcelona: The only active option is Barcelona.

Check if your destination airport has a rail link — it can make getting around easier. Jetcost lets you view options from all Seattle airports in a single search.

Adjust your flight filters for Seattle Lake Union – Barcelona

Jetcost gives you tools to search smarter. Pick your ideal price range, airline, departure time, and flight type — then compare offers from agencies like Expedia, eDreams, and more.

Other popular destinations

Planning a trip to Spain? These cities are popular too: Alicante, Barcelona, Madrid, Málaga, Tenerife.

Sorting options let you see the most affordable flights first. Some results may include extra fees shown only at checkout — always read carefully to see what’s included.