Cheap flights from Spain to Seattle from $418

In general, May 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 $831. If you don’t want to visit Seattle in May, then you should wait until November to fly from Spain, when ticket prices are also cheap, with an average price of $839.

On average, the least expensive day to fly to Seattle from Spain is on a Sunday. momondo users have found tickets for Sunday departures for as low as $1,026. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Friday is the most expensive day to depart from Spain because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,133.

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 $890 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 $632 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.

You could potentially save up to 25% on your flight if you consider stops on a Spain to Seattle flight.

JetBlue, Delta, and KLM are the most popular carriers operating from Spain to Seattle/Tacoma Intl

Delta, Lufthansa and British Airways 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 66% of people opting to fly with this airline when traveling to Seattle. Keep in mind that there are 5 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.

As of August 2026, there are 1 flights per day flying from Spain to Seattle. The most common time of day flights depart is 1:00PM, with 100% of flights taking off in the afternoon.

As of August 2026, there are 9 flights per week flying from Spain to Seattle. The most common day of the week flights depart is Wed, with 33% of flights taking off on this day.