BCN - SEA

$586 Find Cheap Flights from Barcelona to Seattle - Compare and Save

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Everything you should know

Cheapest round-trip
$586
Typical prices: $803-$1,015
Condor
Sat 10/13Sat 10/20
BCN - SEA • 1 stop
Cheapest non-stop
$852
Typical prices: $1,000-$1,156
Air France
Tue 9/11Mon 9/24
BCN - SEA • Non-stop
Nonstop flights
3 days a week
You can fly direct with Delta. Average duration is 11h 25m
Direct flights
+1
Direct flights
+1
When to book
23 weeks
in advance
Our data shows that travelers who book at least 23 weeks in advance save around 42% compared to booking last minute.
Insights
Insights
When to travel
September
Cheapest • 4% price drop
July
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Boston Logan Intl (BOS)
Cheapest • Avg $584 (round-trip)
Paris Charles de Gaulle (CDG)
Shortest trip • 14h 10m (one-way)
Insights
Insights
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Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Barcelona to Seattle (BCN-SEA)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Barcelona to Seattle

Tue, Oct 13 - Tue, Oct 20
Condor Logo
8:00 am - 3:40 pmBCN  Barcelona-El Prat-SEA Seattle/Tacoma Intl
16h 40m1 stop Frankfurt am Main
Condor Logo
6:05 pm - 10:10 pmSEA  Seattle/Tacoma Intl-BCN Barcelona-El Prat
19h 05m1 stop Frankfurt am Main
$586Condor
Thu, Oct 15 - Thu, Oct 22
Condor Logo
10:15 am - 4:00 pmBCN  Barcelona-El Prat-SEA Seattle/Tacoma Intl
14h 45m1 stop Frankfurt am Main
Condor Logo
6:05 pm - 10:10 pmSEA  Seattle/Tacoma Intl-BCN Barcelona-El Prat
19h 05m1 stop Frankfurt am Main
$623Condor
Wed, Oct 14 - Thu, Oct 22
Condor Logo
10:25 am - 3:40 pmBCN  Barcelona-El Prat-SEA Seattle/Tacoma Intl
14h 15m1 stop Frankfurt am Main
Condor Logo
6:05 pm - 10:10 pmSEA  Seattle/Tacoma Intl-BCN Barcelona-El Prat
19h 05m1 stop Frankfurt am Main
$634Condor
Thu, Oct 29 - Sun, Nov 1
Multiple Airlines Logo
6:55 am - 6:00 pmBCN  Barcelona-El Prat-SEA Seattle/Tacoma Intl
19h 05m2 stops London Gatwick Reykjavik Keflavik Intl
Multiple Airlines Logo
2:35 pm - 12:05 amSEA  Seattle/Tacoma Intl-BCN Barcelona-El Prat
24h 30m2 stops Reykjavik Keflavik Intl London Heathrow
$674Multiple Airlines
Tue, Oct 13 - Tue, Oct 20
Multiple Airlines Logo
8:00 am - 3:40 pmBCN  Barcelona-El Prat-SEA Seattle/Tacoma Intl
16h 40m1 stop Frankfurt am Main
Multiple Airlines Logo
10:42 am - 10:10 pmSEA  Seattle/Tacoma Intl-BCN Barcelona-El Prat
26h 28m2 stops Las Vegas Harry Reid Intl Frankfurt am Main
$691Multiple Airlines
Thu, Jan 7 - Wed, Jan 13
Lufthansa Logo
5:55 am - 12:00 pmBCN  Barcelona-El Prat-SEA Seattle/Tacoma Intl
15h 05m1 stop Frankfurt am Main
Lufthansa Logo
2:50 pm - 5:35 pmSEA  Seattle/Tacoma Intl-BCN Barcelona-El Prat
17h 45m1 stop Munich Franz Josef Strauss
$857Lufthansa
Thu, Jan 7 - Wed, Jan 13
Delta Logo
6:00 am - 11:50 amBCN  Barcelona-El Prat-SEA Seattle/Tacoma Intl
14h 50m1 stop Amsterdam Schiphol
Delta Logo
6:00 am - 11:10 amSEA  Seattle/Tacoma Intl-BCN Barcelona-El Prat
20h 10m2 stops Detroit Metropolitan Wayne County Paris Charles de Gaulle
$860Delta
Thu, Jan 7 - Wed, Jan 13
Delta Logo
6:00 am - 11:50 amBCN  Barcelona-El Prat-SEA Seattle/Tacoma Intl
14h 50m1 stop Amsterdam Schiphol
Delta Logo
11:30 am - 2:55 pmSEA  Seattle/Tacoma Intl-BCN Barcelona-El Prat
18h 25m2 stops San Francisco Paris Charles de Gaulle
$863Delta
Mon, Jan 18 - Mon, Feb 1
Lufthansa Logo
5:55 am - 12:00 pmBCN  Barcelona-El Prat-SEA Seattle/Tacoma Intl
15h 05m1 stop Frankfurt am Main
Lufthansa Logo
1:50 pm - 5:40 pmSEA  Seattle/Tacoma Intl-BCN Barcelona-El Prat
18h 50m1 stop Frankfurt am Main
$863Lufthansa
Fri, Nov 27 - Fri, Dec 11
British Airways Logo
12:00 pm - 10:31 pmBCN  Barcelona-El Prat-SEA Seattle/Tacoma Intl
19h 31m1 stop Philadelphia
British Airways Logo
6:45 pm - 7:55 pmSEA  Seattle/Tacoma Intl-BCN Barcelona-El Prat
16h 10m1 stop London Heathrow
$3,520British Airways
Booking Insights

Price, demand and travel trends for Barcelona-El Prat Airport to Seattle flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Barcelona-El Prat Airport to Seattle with more confidence.

How much is a round-trip flight from Barcelona-El Prat Airport to Seattle?

Round-trip flights from Barcelona-El Prat Airport to Seattle start at $586. Prices are below average for this route right now, with typical round-trip fares ranging from $803 to $1,015. The lowest price found in the past 5 days was $586 on Condor.

What's the cheapest day of the week to fly from Barcelona-El Prat Airport to Seattle?

Thursday is the cheapest day of the week to fly from Barcelona-El Prat Airport to Seattle, it is 4% cheaper than the average day. Monday is the most expensive day with flight prices 16% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is the cheapest month to fly from Barcelona-El Prat Airport to Seattle?

  • September is the cheapest month to fly from Barcelona-El Prat Airport to Seattle at $818 round-trip.
  • December ($1,021) and July ($1,021) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 24% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Barcelona-El Prat Airport to Seattle the cheapest?

Flights from Barcelona-El Prat Airport to Seattle are cheapest 23 weeks before departure. Booking in this window typically costs about 42% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Find deals

Key details for Barcelona-El Prat Airport to Seattle flights

Low season

February

Cheapest flight

$586
Best time to beat the crowds but there is an average 11% increase in price.
Most popular time to fly with an average 19% increase in price.
Flight from Barcelona-El Prat Airport to Seattle

When to book flights from Barcelona to Seattle

Are your dates flexible? Find out the best times to travel from Barcelona to Seattle based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Barcelona-El Prat Airport to Seattle flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which airlines offer extra legroom and free seat selection on Barcelona-El Prat Airport to Seattle flights?

    Among airlines operating Barcelona-El Prat Airport to Seattle flights:

    • KLM: offers free seat selection
    • Delta: offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • What airlines are available from Barcelona-El Prat Airport to Seattle?

    Only Delta operates flights between Barcelona-El Prat Airport and Seattle.

  • Which airports can I use when flying from Barcelona-El Prat Airport to Seattle?

    Flights from Barcelona-El Prat Airport to Seattle usually depart from Barcelona-El Prat (BCN) and arrive at Seattle/Tacoma Intl (SEA).

  • Which airlines include bags at no extra cost on Barcelona-El Prat Airport to Seattle flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • KLM: a cabin bag and a checked bag in Economy Class
    • Delta: a cabin bag and a checked bag in Economy Class
    • Air France: a cabin bag and a checked bag in Economy Class

    Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

  • What cabin classes can I book on flights from Barcelona-El Prat Airport to Seattle?

    Three cabin classes are available on flights from Barcelona-El Prat Airport to Seattle:

    • Economy Class
    • Premium Economy Class
    • Business Class

  • How much can I save by taking a layover when flying from Barcelona-El Prat Airport to Seattle?

    On this route, layover flights are cheaper than nonstop options on average. Layover fares average $584 round-trip via Boston Logan Intl (BOS), compared to $1,026 for nonstop.

  • What is the standard checked-bag allowance on flights from Barcelona-El Prat Airport to Seattle?

    There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $60–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from Barcelona-El Prat Airport to Seattle?

    The Airbus A330-900neo family is used most often on this route, operated mainly by KLM and Delta. Other aircraft seen on the route include Boeing 777 variants.

  • Which airports do connecting flights from Barcelona-El Prat Airport to Seattle pass through?

    One-stop flights from Barcelona-El Prat Airport to Seattle most commonly connect through:

    • Frankfurt am Main (FRA) - 52% of one-stop connections
    • London Heathrow (LHR) - 16% of one-stop connections
    • Amsterdam Schiphol (AMS) - 12% of one-stop connections
    • Paris Charles de Gaulle (CDG) - 7% of one-stop connections

    Frankfurt am Main (FRA) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Barcelona-El Prat Airport to Seattle?

    Yes. Being flexible with your travel dates can save you up to 18% on the Barcelona-El Prat Airport to Seattle route. Thursday is the cheapest departure day at $825 round-trip on average, while Monday is the most expensive at $997, a difference of $172. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What popular places can I visit in Seattle?

    Some of the most popular sights in Seattle are Pike Place Market, Pier 66 and Lumen Field. These are among the most viewed places in Seattle on KAYAK.

  • What are the earliest and latest flights from Barcelona-El Prat Airport to Seattle?

    These are the earliest and latest flight times available from Barcelona-El Prat Airport to Seattle:

    • Earliest: departs at 1:20 pm and lands at 12:45 am
    • Latest: departs at 1:20 pm and lands at 12:45 am.

    The flight takes about 11h 25m.

  • How expensive are last-minute Barcelona-El Prat Airport to Seattle flights?

    Last-minute fares on this route - booked within 2 weeks of departure - run 46% above the route average of $856. Book 23 weeks before departure for the lowest fares.

  • How long is a flight from Barcelona-El Prat Airport to Seattle?

    A nonstop flight from Barcelona-El Prat Airport to Seattle takes 11h 25m, covering 5,421 miles.

  • Do I need a passport to fly from Barcelona-El Prat Airport to Seattle?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How are flight prices from Barcelona-El Prat Airport to Seattle looking right now?

    One-way fares from Barcelona-El Prat Airport to Seattle are currently in line with typical prices for this route. Average one-way fares are about $742.

  • How much time can I save by choosing a different layover airport from Barcelona-El Prat Airport to Seattle?

    Flying via Paris Charles de Gaulle (CDG) gives the shortest average 1-stop total travel time at 14h 10m, compared with 14h 30m via Amsterdam Schiphol (AMS) and 14h 33m via London Heathrow (LHR).

  • What is the time difference between Barcelona-El Prat Airport and Seattle?

    Seattle is 9 hours behind Barcelona-El Prat Airport (Pacific Time vs Central European Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at Seattle/Tacoma Intl Airport (SEA)?

    Seattle/Tacoma Intl Airport (SEA) hosts 5 major car rental companies, with daily rates starting from around $4 for economy cars. Top options include:
    · Fox
    · Europcar
    · Thrifty
    · Budget
    · Dollar

  • How much should I expect to pay for a Barcelona-El Prat Airport to Seattle flight?

    Round-trip flights from Barcelona-El Prat Airport to Seattle range from $803 to $1,015, with an average of $856 over the past 12 months. Anything below $803 counts as a good deal.

  • Which airlines offer Wi-Fi on Barcelona-El Prat Airport to Seattle flights?

    Two airlines offer in-flight Wi-Fi on Barcelona-El Prat Airport to Seattle flights:

    • • Delta
    • • Air France

    Pricing varies by airline and fare class. Some plans are included with the ticket or loyalty program; others are paid add-ons priced by flight length.

Your guide to booking Barcelona-El Prat Airport to Seattle flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Thursday departure instead of Monday. On this route, Thursday flights average $825 - about $172 less than Monday (17% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 23 weeks before you fly. On this route, that window historically saves about 42% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Barcelona-El Prat Airport to Seattle trip for September. Fares historically average $818 round-trip in that month - typically $203 less than the most expensive month, which is July (based on the last 12 months).
  • If you have the time, taking a 1-stop flight through Boston Logan Intl Airport (BOS) can be cheaper than flying direct. The cheapest layover option averages $584 round-trip on this route - about $442 less than direct flights (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Seattle/Tacoma Intl Airport.
    - Seattle Airport Marriott
    - Coast Gateway Hotel
    - Fairfield by Marriott Inn & Suites Seattle Sea-Tac Airport

Prefer to fly direct from Barcelona to Seattle?

 
Find which airlines fly direct from Barcelona-El Prat Airport to Seattle/Tacoma Intl Airport, which days they fly and book direct flights.

Direct departures

Barcelona-El Prat to Seattle/Tacoma Intl

Wednesday

Delta

Delta

Friday

Delta

Delta

Sunday

Delta

Delta

See more direct flights

Direct returns

Seattle/Tacoma Intl to Barcelona-El Prat

Tuesday

Delta

Delta

Thursday

Delta

Delta

Saturday

Delta

Delta

See more direct flights

Everything you need to know for your flight from Barcelona to Seattle

Information on your arrival and departure airports

Barcelona (BCN)
Seattle (SEA)