Cheap flights from Spain to Seattle from $336

In general, November is the cheapest month to fly from Spain to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $842. If you don’t want to visit Seattle in November, then you should wait until May to fly from Spain, when ticket prices are also cheap, with an average price of $842.

Fly from Barcelona-El Prat to Seattle/Tacoma Intl for the best Spain - Seattle/Tacoma Intl flight prices

You are more likely to see cheaper flights to Seattle from Spain when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $976 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Spain for as low as $886 on momondo.

There are 2 cabin classes available to choose from on Spain to Seattle flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

British Airways, Iberia, and Delta are the most popular carriers operating from Spain to Seattle/Tacoma Intl

Delta, Condor and Lufthansa are the top three most popular airlines that fly to Seattle from Spain according to our data. Delta is the first choice among our users, with 61% of people opting to fly with this airline when traveling to Seattle. Keep in mind that there are 4 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.

As of November 2026, there are 1 flights per week flying from Spain to Seattle. The most common day of the week flights depart is Fri, with 100% of flights taking off on this day.

Flight times vary depending on what airport in Spain you fly out of and what airport in Seattle you fly into. For example, flying from Barcelona to Seattle takes 11h 24m on average. On the other hand, flying from Madrid to Seattle takes 14h 45m on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo if there are any available for your route.