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

Compare Barcelona to Seattle flight deals

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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.
Seattle.$951 per passenger.Departing Fri, 24 Oct, returning Sun, 9 Nov.Return flight with Aer Lingus.Outbound indirect flight with Aer Lingus, departs from Barcelona on Fri, 24 Oct, arriving in Seattle / Tacoma International.Inbound indirect flight with Aer Lingus, departs from Seattle / Tacoma International on Sun, 9 Nov, arriving in Barcelona.Price includes taxes and charges.From $951, select.
Seattle.$983 per passenger.Departing Wed, 14 Jan, returning Thu, 22 Jan.Return flight with Iberia.Outbound indirect flight with Iberia, departs from Barcelona on Wed, 14 Jan, arriving in Seattle / Tacoma International.Inbound indirect flight with Iberia, departs from Seattle / Tacoma International on Thu, 22 Jan, arriving in Barcelona.Price includes taxes and charges.From $983, select.
Seattle.$992 per passenger.Departing Sun, 1 Mar, returning Mon, 9 Mar.Return flight with Finnair.Outbound indirect flight with Finnair, departs from Barcelona on Sun, 1 Mar, arriving in Seattle / Tacoma International.Inbound indirect flight with Finnair, departs from Seattle / Tacoma International on Mon, 9 Mar, arriving in Barcelona.Price includes taxes and charges.From $992, select.
Seattle.$1,015 per passenger.Departing Thu, 5 Feb, returning Tue, 21 Apr.Return flight with Finnair.Outbound indirect flight with Finnair, departs from Barcelona on Thu, 5 Feb, arriving in Seattle / Tacoma International.Inbound indirect flight with Finnair, departs from Seattle / Tacoma International on Tue, 21 Apr, arriving in Barcelona.Price includes taxes and charges.From $1,015, select.
Seattle.$1,019 per passenger.Departing Sat, 7 Feb, returning Sat, 14 Feb.Return flight with Finnair.Outbound indirect flight with Finnair, departs from Barcelona on Sat, 7 Feb, arriving in Seattle / Tacoma International.Inbound indirect flight with Finnair, departs from Seattle / Tacoma International on Sat, 14 Feb, arriving in Barcelona.Price includes taxes and charges.From $1,019, select.
Seattle.$1,027 per passenger.Departing Thu, 2 Oct, returning Fri, 17 Oct.Return flight with Aer Lingus.Outbound indirect flight with Aer Lingus, departs from Barcelona on Thu, 2 Oct, arriving in Seattle / Tacoma International.Inbound indirect flight with Aer Lingus, departs from Seattle / Tacoma International on Fri, 17 Oct, arriving in Barcelona.Price includes taxes and charges.From $1,027, select.
Seattle.$1,034 per passenger.Departing Wed, 10 Dec, returning Wed, 17 Dec.Return flight with Aer Lingus.Outbound indirect flight with Aer Lingus, departs from Barcelona on Wed, 10 Dec, arriving in Seattle / Tacoma International.Inbound indirect flight with Aer Lingus, departs from Seattle / Tacoma International on Wed, 17 Dec, arriving in Barcelona.Price includes taxes and charges.From $1,034, select.
Seattle.$1,035 per passenger.Departing Thu, 25 Sep, returning Wed, 8 Oct.Return flight with Scandinavian Airlines.Outbound indirect flight with Scandinavian Airlines, departs from Barcelona on Thu, 25 Sep, arriving in Seattle / Tacoma International.Inbound indirect flight with Scandinavian Airlines, departs from Seattle / Tacoma International on Wed, 8 Oct, arriving in Barcelona.Price includes taxes and charges.From $1,035, select.

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 January.
Sep
from $1,098
Oct
from $1,027
Nov
from $1,153
Dec
from $1,034
Jan
from $983
Feb
from $1,019
Mar
from $992
Apr
from $1,109
May
from $1,038
Jun
from $1,217
Jul
from $1,307
Aug
from $1,425

Direct flights from Barcelona to Seattle

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 found$951
Cheapest month to flyOctober
Average flight time11 hrs, 25 mins
Most popular airlineDelta

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 $951. 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 25 minutes is the average flight time from Barcelona to Seattle.
Delta, KLM and Air France fly direct from Barcelona to Seattle.
As of September 2025, there are no flights 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 19.5 km away from the centre of Seattle. We've found flights into this airport from $951.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Barcelona Airport to Seattle on Friday, 24 October 2025.
Yes – the average flight time is 11 hours and 25 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 September, the average temperature is usually around 15°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, Aer Lingus and Air France offer the cheapest flight tickets to Seattle.

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

  • Seattle is eight hours behind Barcelona, where Barcelona-El Prat Airport is located. Seattle observes the UTC-7 timezone.

  • For a relaxed start to your BCN to Seattle flight, leave plenty of time to check in and drop off your luggage. Turning up two hours before international departures and one hour before domestic flights is the general travel rule.

  • Longer lines at check-in and security are more likely if you're heading away during high season, so allow a bit more breathing room. A good rule for peak periods? Arrive up to four hours ahead for international flights and at least two hours for domestic departures.

  • A stopover is the ideal opportunity to take a break from travelling and perhaps even tick a new city off your list. When searching for flight tickets from BCN to Seattle, deselect the 'Direct flights only' box to see where you can visit along the way. Top options include:

    • London Heathrow Airport (LHR)

    • Frankfurt Airport (FRA)

    • Charles de Gaulle Airport (CDG)

  • BCN is about 13 kilometres from central Barcelona. If you're catching a cab, driving or ride-sharing from the centre, it'll take 25 minutes or so to get there, depending on the traffic. If you're taking public transport, expect the journey time to be around 35 minutes.

  • Have an early flight from Barcelona-El Prat Airport to Seattle? Avoid rushing to the terminal (and sneak in some extra precious sleep) by choosing one of these hotels near BCN:

  • Of all flights departing from Barcelona-El Prat Airport, 79.12% touch down on time at their destination.

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

  • The best price we've found for a one-way Barcelona-El Prat Airport to Seattle flight is $646. The cheapest price for a return flight is $951. Keep in mind fares can change due to demand at the time of booking.

  • Booking ahead of time is often the key to finding a cheap flight from BCN to Seattle. Airlines adjust prices based on demand, so the nearer you get to departure, the more it could cost you.

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

  • There's no need to keep looking every day to see if fares have dropped when you create a Price Alert. We'll let you know when there's an even better deal on cheap flights from BCN to Seattle.

  • Pick your ideal arrival and departure times, airlines and number of stops with our filters. Then, sort the results for your flight from Barcelona-El Prat Airport to Seattle by 'Fastest,' 'Best' or 'Cheapest.'

Airports in Seattle

Seattle-Tacoma International Airport (SEA)

  • Seattle-Tacoma International Airport (SEA) to central Seattle takes about 20 minutes by car. The centre is roughly 23 kilometres away.

  • It'll take around 55 minutes if you're travelling on public transport.

  • The last thing you need is a lengthy 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:

  • Go where the road takes you with a Seattle-Tacoma International Airport rental car. Book your wheels from Thrifty, Europcar or Budget and find adventure across Seattle and beyond.

  • Secure the lowest price by reserving your ride from Seattle-Tacoma International Airport around one week before your flight from BCN to Seattle.

Lake Union Sea Plane Base Airport (LKE)

  • After your flight from Barcelona-El Prat Airport to Seattle has hit the runway, you can make your way to the city centre in about 10 minutes by car. Central Seattle is roughly 3 kilometres from Lake Union Sea Plane Base Airport (LKE).

  • You can expect the journey to take about 25 minutes on public transport.

  • Hang up the 'Do not disturb' sign and rest at a hotel near LKE. Here are a few options where you can put your feet up after your BCN to Seattle flight:

Best time to go to Seattle

  • Visit Seattle during high season if you want a busy atmosphere, but remember that prices are generally higher. Alternatively, book flights from Barcelona-El Prat Airport to Seattle in the low season when prices are cheaper and crowds are smaller.

  • The warmest month in Seattle is August, with temperatures ranging between 12ºC (54ºF) and 28ºC (82ºF). Lock in your Barcelona-El Prat Airport to Seattle flight ticket then if that's your ideal forecast.

  • February sees average temperatures of between -1ºC (30ºF) and 11ºC (52ºF). Search for a cheap ticket from BCN to Seattle around that time if you want to travel in cooler conditions.

More about Seattle

  • When it comes to looking for somewhere to rest your head, you'll find the top stays in Seattle right here. Explore these hotels after you've booked your flight from Barcelona-El Prat Airport to Seattle:

  • Every great journey has to include some sightseeing. LMN Architects, Greyhound: Bus Station and Boeing Radiation Effects Lab are must-visits when exploring Seattle.

Explore more of United States

  • Portland is just one of the many places in United States waiting to be discovered once you've seen the sights of Seattle. Around 241 kilometres away to the south, check out popular attractions including Pioneer Courthouse Square, Portland Japanese Garden and Pittock Mansion.

  • Around 370 kilometres east of Seattle, Spokane is another favourite stop in United States. Experience the best of this destination with a visit to Manito Park, Northwest Museum of Arts & Culture and Spokane Falls.

Plan the rest of your trip from Barcelona to Seattle

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