Cheap Flights from Barcelona to Seattle

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Flight deals from Barcelona to Seattle

Looking for a cheap last-minute deal or the best return flight from Barcelona to Seattle? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Barcelona to Seattle

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Barcelona to Seattle flights are currently cheapest in May.

Alternative Barcelona to Seattle routes

Looking for the cheapest, fastest or easiest route from Barcelona to Seattle? You could fly into the following airports instead.

Barcelona to Seattle: Flight information

The things to know before you go.
Cheapest flight found356 €
Cheapest month to flyMay

Finding cheap flights from Barcelona to Seattle: Frequently asked questions

There are 4 airports in Seattle: Seattle Lake Union SPB, Seattle Boeing Fld, Seattle / Tacoma International, and Paine Field.
The best price we found for a return flight from Barcelona to Seattle is 356 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Barcelona to Seattle. But we found flights with one or more stops from 356 €.
As of April 2025, there are no flights flying from Barcelona to Seattle.
The cheapest month to fly from Barcelona to Seattle is usually May.
If you're flying from Barcelona Airport, the cheapest airport near Seattle is Seattle / Tacoma International – which is 19.5 km away from the centre of Seattle. We've found flights into this airport from 356 €.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Barcelona Airport to Seattle on Thursday, 29 May 2025.
No airlines currently offer direct flights between Barcelona Airport and Seattle. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Seattle but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Seattle is around 40 days in advance, so don’t leave your flight to the last minute.
In April, the average temperature is usually around 8°C. August is typically the warmest month in Seattle, when it usually averages around 23°C. You can expect the least rain in July. The coldest month is December, with temperatures averaging 0°C. The rainiest month is November.
Currently, Scandinavian Airlines offers the cheapest flight tickets to Seattle.

Flying from Barcelona-El Prat Airport (BCN) to Seattle: what you need to know

  • The timezone in Seattle is UTC-7. The city is 8 hours behind Barcelona, where Barcelona-El Prat Airport is located.

  • To ensure you catch your flight from BCN to Seattle, leave enough time for things like check-in and baggage drop. Arriving two hours before international departures and an hour before domestic flights is the general travel rule.

  • Flying during a popular month such as July? Major public holidays and other high seasons can mean longer queues and delays at security. Play it safe and get there up to four hours before an international flight and two hours before a domestic departure.

  • We make it easy to find a flight from BCN to Seattle that includes a stopover. To see all the options, deselect 'Direct flights only.' Next, choose a flight offering a stop long enough to see the sights of the city of your choice. Popular stopovers include:

    • Keflavik International Airport (KEF)

    • Charles de Gaulle Airport (CDG)

    • London Heathrow Airport (LHR)

  • To enter United States for tourism purposes, you will need an ETA if you hold a passport from Spain. However, visa rules can change and you may need further documentation depending on the purpose and length of your visit. Always check the most recent guidelines before reserving your cheap ticket from Barcelona-El Prat Airport to Seattle.

  • Located around 18 kilometres from central Barcelona, BCN can be reached in approximately 24 minutes by car, depending on traffic. The same journey on public transport is roughly 33 minutes.

  • Need a handy hotel near BCN? If you've booked an early flight from Barcelona-El Prat Airport to Seattle, these stays will have you sleeping moments from your departure lounge:

How to find the cheapest flights from Barcelona-El Prat Airport (BCN) to Seattle

  • 211 € is the best price for a one-way ticket from Barcelona-El Prat Airport to Seattle. Return flights start at 356 €. These fares can change based on availability.

  • It's usually best to book ahead of time if you're hoping to get cheap tickets from BCN to Seattle. That's because airlines adjust prices based on demand, which tends to increase closer to the departure date.

  • Finding cheap tickets from Barcelona-El Prat Airport to Seattle is more likely if you're flexible with your travel plans. Check out the 'Whole month' search tool to see the lowest prices across the month and bag a great deal.

  • Create a Price Alert for cheap tickets from BCN to Seattle. There's no need to search every day to find out if fares have dropped. We'll notify you as soon as there's a change in price.

  • Make the most of the filters to find your ideal trip. To see the 'Best,' 'Fastest' or 'Cheapest' flights from Barcelona-El Prat Airport to Seattle, use the 'Sort by' tool. You can also filter results by arrival and departure times, airline, and journey duration.

Airports in Seattle

Seattle-Tacoma International Airport (SEA)

  • Seattle-Tacoma International Airport (SEA) to central Seattle is roughly 23 kilometres. It takes about 18 minutes to reach the centre driving.

  • When travelling on public transport, expect a journey time of roughly 54 minutes.

  • Reserve a hotel close to SEA if you're taking a late flight from Barcelona-El Prat Airport to Seattle. Select one of these accommodation options and avoid the hassle of a long transfer:

Lake Union Sea Plane Base Airport (LKE)

Best time to go to Seattle

  • July is the busiest month for flights from Barcelona-El Prat Airport to Seattle. To steer clear of the crowds, head to Seattle in May when things are quieter.

  • Before booking a flight from Barcelona-El Prat Airport to Seattle, think about the kind of weather you enjoy. August is the warmest month in Seattle, with temperatures ranging from 12ºC to 28ºC.

  • Look for cheap flights from BCN to Seattle in February if you want to travel in cooler conditions. Temperatures are at their lowest then, ranging between -1ºC and 11ºC on average.

More about Seattle

  • Start your Seattle trip right by choosing the perfect place to stay. After booking your flight from Barcelona-El Prat Airport to Seattle, check out our selection of accommodation options including:

  • There are so many things to explore in this city it can be tricky to work out where to start. Gas Works - Lake View Point, Queen Anne Bowl Playfield and LMN Architects are leading attractions which should feature on any well-planned Seattle itinerary.

Complete your Seattle trip with a car rental

  • Select one of our car rentals in Seattle and see the sights on your own terms. Easily compare options in one place to find the ideal ride once you've booked your hotel and cheap flights from Barcelona-El Prat Airport to Seattle.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.