Cheap flights from Seattle, WA to Madrid, Spain

Travelers frequently search for route combinations, such as Seattle and Denver, Las Vegas, Mexico City, Orlando, Atlanta, Austin, London, Houston, Paris, Barcelona, Rome, Los Angeles, Phoenix, Washington, D.C., Detroit, Dublin, Minneapolis, Cleveland, Guadalajara, Salt Lake City.

Travelers frequently search for route combinations, such as Madrid and New York, Los Angeles, Boston, San Francisco, Chicago, Miami, Denver, Orlando, London, Paris, Barcelona, Atlanta, Caracas, Mexico City, Tel Aviv, Washington, D.C., Dallas, Raleigh, Houston, Vienna.

Seattle is mainly served by Seattle–Tacoma International. But there are other airports nearby, including Kenmore Air Harbor Seaplane Base, Boeing Field.

The main airport in Seattle is Seattle–Tacoma International. It is also served by Vancouver International, Portland International, Vancouver Harbour Flight Centre, Abbotsford International, Bellingham International, Paine Field Everett, Victoria Inner Harbour SPB, Yakima Air Terminal, Pangborn Memorial.

The main airport in Madrid is Adolfo Suárez Madrid–Barajas. It is also served by Salamanca, Valladolid.

Yes, it's possible to combine different modes of transport between Seattle and Madrid thanks to our Virtual Interlining technology. Making use of not only flights but also trains and buses between Seattle and Madrid can give rise to new adventures. Read more about how Virtual Interlining works on Kiwi.com Stories.

Virtual Interlining provides a revolutionary way of traveling. You can combine different modes of transport like flights, trains, and buses into one itinerary. And this often saves money. Thanks to the world's largest carrier database, the Kiwi.com search function enables anyone to mix and match different modes of transport easily.

Currently, you can fly between Seattle and Madrid with Alaska Airlines, WestJet, TAP Portugal, Air Europa, easyJet.

If you don’t have specific dates for your trip between Seattle and Madrid, you can enter a date range into the departure and return fields. Most carriers on the Kiwi.com website allow you to search and book up to six months from the day of your search. Order the search results by the best, cheapest, or fastest route, or find the cheapest outbound and return combination in the pricing table.