Cheap Flights from Barcelona (BCN) to Seattle (SEAA)

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Flight deals from Barcelona Airport to Seattle

Looking for a cheap last-minute deal or the best return flight from Barcelona Airport to Seattle? If you want to travel next month, return fares start from £500. 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.

Direct flights from Barcelona to Seattle

Barcelona to Seattle: Flight information

The things to know before you go.
Cheapest flight found£276
Cheapest month to flyMay
Average flight time11 hrs, 21 mins
Most popular airlineKLM
Average flights per week7

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 £435. 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.
11 hours and 21 minutes is the average flight time from Barcelona to Seattle.
KLM, Delta and Air France fly direct from Barcelona to Seattle.
As of April 2026, there are 7 flights per week flying from Barcelona to Seattle.
The cheapest month to fly from Barcelona to Seattle is usually October.
If you're flying from Barcelona Airport, the cheapest airport near Seattle is Seattle / Tacoma International – which is 12.1 miles away from the centre of Seattle. We've found flights into this airport from £435.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Barcelona Airport to Seattle on Sunday, 11 October 2026.
Yes – the average flight time is 11 hours and 21 minutes.
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, Condor and Air France offer the cheapest flight tickets to Seattle.

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

  • Hop on a direct flight from Barcelona-El Prat Airport to Seattle and you'll be in the air for an average of 10 hours 30 minutes.

  • Seattle is nine hours behind Barcelona, where Barcelona-El Prat Airport is located. Seattle runs on the UTC-8 timezone.

  • For a smooth journey, arrive at the airport two hours ahead of international flights and one hour before domestic departures. That way, you won't have to rush to catch your BCN to Seattle flight.

  • Be prepared for longer queues during popular months like June. Arriving up to four hours ahead of international flights and two hours for domestic departures is a wise move.

  • You can book a direct Barcelona-El Prat Airport to Seattle ticket. Begin your journey at BCN and land at Seattle-Tacoma International Airport (SEA).

  • Book your seat with Delta Air Lines. This leading carrier operates direct flights from Barcelona-El Prat Airport to Seattle.

  • We make it easy to book plane tickets from BCN to Seattle with a stopover. To see the options, uncheck 'Direct flights only.' Then, pick a flight with a stop long enough to explore your chosen city. Major stopovers include:

    • London Heathrow Airport (LHR)

    • Frankfurt Airport (FRA)

    • Paris Charles de Gaulle Airport (CDG)

  • The journey from central Barcelona to BCN takes about 30 minutes by public transport. If you drive, ride-share or take a taxi, you'll cover the 13 kms (8 miles) in 25 minutes or so, depending on traffic conditions.

  • Want an easy start to your journey? Stay near BCN. Whether you've booked an early flight from Barcelona-El Prat Airport to Seattle or just don't want to be rushed, these hotels are a convenient choice:

  • Barcelona-El Prat Airport maintains a solid on-time record, reducing the likelihood of delays. Departures from BCN touch down on schedule 80% of the time.

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

  • £276 is currently the lowest price for a one-way Barcelona-El Prat Airport to Seattle flight. A return plane ticket starts from £435. These fares can change depending on availability and demand.

  • To find cheap flights from BCN to Seattle, book as early as you can. Airlines typically offer their most competitively priced fares when tickets are first released.

  • The 'Whole month' tool will show you the cheapest tickets from Barcelona-El Prat Airport to Seattle across the month. It's a good way to find a bargain if your trip dates are flexible.

  • Save time looking for cheap flights from BCN to Seattle by creating a Price Alert. You'll receive an email or push notification on the app when a new discounted fare appears.

  • Find an affordable flight from Barcelona-El Prat Airport to Seattle with the help of our filters. Select your ideal duration, departure time and airlines, then sort the results by 'Cheapest' to see the best deals.

Airports in Seattle

Seattle-Tacoma International Airport (SEA)

  • The distance from Seattle-Tacoma International Airport (SEA) to central Seattle is roughly 23 kms (14 miles). It takes around 25 minutes to reach the centre driving.

  • Travelling on public transport takes around 35 minutes.

  • The last thing you want is a long journey to your hotel if you're landing late on a flight from Barcelona-El Prat Airport to Seattle. Reserve one of these accommodation options near SEA instead:

  • To get the lowest price, reserve your ride from Seattle-Tacoma International Airport around one week ahead of your flight from BCN to Seattle.

Seattle Paine Field International Airport (PAE)

  • Seattle Paine Field International Airport (PAE) is roughly 40 kms (25 miles) from the centre of Seattle. Once you've disembarked your flight from Barcelona-El Prat Airport to Seattle, it'll take you around 40 minutes to get to the heart of the city in a ride-share or taxi.

  • The journey will take roughly 1 hour 30 minutes on public transport.

  • After stepping off your BCN to Seattle flight, settle in at a hotel near PAE. These are some great accommodation options that'll help you get into relaxation mode:

  • Avoid the long lines and paperwork at the rental desk by having everything prearranged. Reserve your ride from PAE ahead of time so you can just grab the keys and be on your way.

King County International Airport (BFI)

  • Step off your flight from Barcelona-El Prat Airport to Seattle and make your way to your hotel or start taking in the sights right away. The centre of Seattle is around 11 kms (7 miles) from King County International Airport (BFI) and typically takes 20 minutes to reach driving.

  • If you travel by public transport, the journey takes about 35 minutes.

  • If you don't want to make the journey into the centre, head for a hotel close to BFI. Get settled at one of these options after your BCN to Seattle flight:

  • If you prefer a specific type of vehicle, booking early gives you a better shot at getting exactly what you want. Secure your ride from BFI at least a few weeks ahead of your flight from Barcelona-El Prat Airport to Seattle.

Best time to go to Seattle

  • July is the busiest month for flights from Barcelona-El Prat Airport to Seattle. To skip the crowds, head to Seattle in December.

  • When booking your Barcelona-El Prat Airport to Seattle plane ticket, think about the kind of weather forecast you're hoping for. August is the warmest month in Seattle, with temperatures ranging from 12ºC to 28ºC.

  • February has average temperatures of between -1ºC and 11ºC. Look for a cheap ticket from BCN to Seattle around that time if you want to travel when it's cooler.

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 hotels including:

  • There are so many things to discover in this city it can be tricky to work out where to begin. Pike Place Market, Space Needle and Seattle Skyline are major attractions which should feature on every Seattle itinerary.

Explore more of the United States

  • You've seen Seattle, now it's time to explore other corners of the United States. Travel around 241 kms (150 miles) south to Portland to check off its must-visit sights. From Portland Japanese Garden to Peninsula Park Rose Garden and Beyond Van Gogh Portland, you'll have a packed itinerary ahead.

  • If you're eager to discover another well-known destination in the United States, head for Spokane, about 370 kms (230 miles) east of Seattle. Riverside State Park, Spokane Falls (Upper Falls) and Cathedral of Our Lady of Lourdes are among the biggest draws.

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