Cheap flights from Seattle to Donostia / San Sebastián from £274

Travelers frequently search for route combinations, such as Seattle and London, Mexico City, New York, Las Vegas, Los Angeles, Guadalajara, Calgary, Edinburgh, Phoenix, San Francisco, Dallas, Chicago, Honolulu, San Diego, Ontario, Glasgow, Belfast, Denver, Istanbul, Kahului.

Travelers frequently search for route combinations, such as Donostia / San Sebastián and London, Manchester, Barcelona, Madrid, Venice, Lisbon, Amsterdam, Valencia, San Francisco, Athens, Reykjavik, Naples, Tel Aviv, Copenhagen, Riga, Vienna, Bucharest, Kolkata, Tallinn, Kyiv.

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

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

The main airport in Donostia / San Sebastián is San Sebastián. It is also served by Bilbao, Bordeaux–Mérignac, Santander, San Sebastián, Biarritz Pays Basque, Tarbes–Lourdes–Pyrénées, Pamplona, Zaragoza, Vitoria, Pau Pyrénées.

Currently, you can fly between Seattle and Donostia / San Sebastián with Vueling, Iberia Airlines, Icelandair, KLM Royal Dutch Airlines, Air France.

If you don’t have specific dates for your trip between Seattle and Donostia / San Sebastián, 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.

Traveling between Seattle and Donostia / San Sebastián, you can choose between direct (nonstop) flights or flights with one or more stops. You can select the number of stops on your journey, including an overnight stopover, and the duration of the stopover. What’s more, you can also select where you want to have your stopover. Want to say "Hi" to a friend in another city en route to your destination? Or fancy a quick round of shopping? Go Multi-City or Nomad and add places to your search that you wish to visit.

There are a number of airports in and around Seattle. The main one is Seattle–Tacoma International and other nearby airports include Vancouver International, Portland International, Abbotsford International, Bellingham International, Paine Field Everett, Vancouver Harbour Flight Centre, Pangborn Memorial, Victoria Inner Harbour SPB, Yakima Air Terminal