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Flights from Seattle to Barcelona

Hi, I've summed up all the key info for Seattle to Barcelona flights

Cheapest one-way

$ 280
Icelandair Thu, Oct 8

59% below next 30d avg. ($686)

Cheapest round-trip

$ 474
Scandinavian Airlines Mon, Oct 5

63% below next 30d avg. ($1,274)

Fastest flight

10h 40mAvg: 10h 40m

Recommended airlines

When to travel

OctoberCheapest month
JanuaryPeak month

With a lowest one-way fare of $280 , travelers can expect an average price of $686 for upcoming trips, while round-trip tickets start at $474 . Flights typically take around 10h 40m , but the fastest nonstop option completes the journey in just 10h 40m minutes. You can arrive at any of the following airports in Barcelona: Josep Tarradellas Barcelona-El Prat Airport (BCN) . Flights from Seattle-Tacoma International Airport to Josep Tarradellas Barcelona-El Prat Airport (SEA-BCN) are by far the most popular option for this route. To secure the best rates, booking 40 days in advance is recommended, and the cheapest travel days are Tuesday, Wednesday, and Saturday .

Updated 9h ago · This content is an AI-powered summary based on Trip.com data. Prices and availability are subject to change. Please refer to actual prices, availability, and travel conditions.

Explore the cheapest one-way and round-trip flights from Seattle to Barcelona over the next 90 days, with one-way fares from $280 and round-trip from $474. Based on Trip.com's latest 7-day flight data.

      • Cheapest nonstop
        SEA 3:30 PM
        10h 40m
        Nonstop
        BCN 11:10 AM
        Seattle - Barcelona | Thu, Oct 15 | Delta Air Lines
        BCN 1:20 PM
        11h 24m
        Nonstop
        SEA 3:44 PM
        Barcelona - Seattle | Wed, Oct 21 | Delta Air Lines
        $1,047 $1,160
        10% off
        10% off
        $1,160 $1,047
      • SEA 3:30 PM
        10h 40m
        Nonstop
        BCN 11:10 AM
        Seattle - Barcelona | Thu, Oct 15 | Air France
        BCN 1:20 PM
        11h 24m
        Nonstop
        SEA 3:44 PM
        Barcelona - Seattle | Wed, Oct 21 | Air France
        $1,055 $1,160
        9% off
        9% off
        $1,160 $1,055
      • SEA 3:55 PM
        17h 15m
        1 stop
        BCN 6:10 PM
        Seattle - Barcelona | Mon, Oct 5 | Scandinavian Airlines
        BCN 7:00 PM
        27h 45m
        1 stop
        SEA 1:45 PM
        Barcelona - Seattle | Sat, Oct 10 | Scandinavian Airlines
        $474 $1,160
        59% off
        59% off
        $1,160 $474
      • SEA 3:55 PM
        17h 15m
        1 stop
        BCN 6:10 PM
        Seattle - Barcelona | Sun, Oct 4 | Scandinavian Airlines
        BCN 7:00 PM
        27h 45m
        1 stop
        SEA 1:45 PM
        Barcelona - Seattle | Sat, Oct 10 | Scandinavian Airlines
        $474
        59% off
        $1,160 $474
      • SEA 3:55 PM
        32h
        1 stop
        BCN 8:55 AM
        Seattle - Barcelona | Sat, Oct 3 | Scandinavian Airlines
        BCN 7:00 PM
        27h 45m
        1 stop
        SEA 1:45 PM
        Barcelona - Seattle | Sat, Oct 10 | Scandinavian Airlines
        $474
        59% off
        $1,160 $474
      • SEA 3:55 PM
        17h 15m
        1 stop
        BCN 6:10 PM
        Seattle - Barcelona | Mon, Sep 28 | Scandinavian Airlines
        BCN 7:00 PM
        27h 45m
        1 stop
        SEA 1:45 PM
        Barcelona - Seattle | Sun, Oct 4 | Scandinavian Airlines
        $474
        59% off
        $1,160 $474
      • SEA 3:55 PM
        17h 15m
        1 stop
        BCN 6:10 PM
        Seattle - Barcelona | Sat, Sep 26 | Scandinavian Airlines
        BCN 7:00 PM
        27h 45m
        1 stop
        SEA 1:45 PM
        Barcelona - Seattle | Sat, Oct 3 | Scandinavian Airlines
        $474
        59% off
        $1,160 $474
      • SEA 3:55 PM
        17h 15m
        1 stop
        BCN 6:10 PM
        Seattle - Barcelona | Wed, Sep 30 | Scandinavian Airlines
        BCN 7:00 PM
        27h 45m
        1 stop
        SEA 1:45 PM
        Barcelona - Seattle | Tue, Oct 6 | Scandinavian Airlines
        $474
        59% off
        $1,160 $474
      • SEA 3:55 PM
        17h 15m
        1 stop
        BCN 6:10 PM
        Seattle - Barcelona | Wed, Oct 7 | Scandinavian Airlines
        BCN 7:00 PM
        27h 45m
        1 stop
        SEA 1:45 PM
        Barcelona - Seattle | Fri, Oct 9 | Scandinavian Airlines
        $474
        59% off
        $1,160 $474
      • SEA 3:40 PM
        14h
        1 stop
        BCN 1:40 PM
        Seattle - Barcelona | Sun, Oct 25 | Icelandair
        BCN 2:45 PM
        35h 15m
        1 stop
        SEA 6:00 PM
        Barcelona - Seattle | Fri, Oct 30 | Icelandair
        $537
        54% off
        $1,160 $537
      • SEA 7:00 PM
        34h 40m
        1 stop
        BCN 1:40 PM
        Seattle - Barcelona | Sat, Oct 24 | Icelandair
        BCN 2:45 PM
        35h 15m
        1 stop
        SEA 6:00 PM
        Barcelona - Seattle | Fri, Oct 30 | Icelandair
        $539
        54% off
        $1,160 $539
      • SEA 5:40 PM
        19h 30m
        1 stop
        BCN 10:10 PM
        Seattle - Barcelona | Mon, Oct 12 | Condor Airlines
        BCN 8:00 AM
        16h 40m
        1 stop
        SEA 3:40 PM
        Barcelona - Seattle | Wed, Oct 14 | Condor Airlines
        $646
        44% off
        $1,160 $646
      • SEA 1:00 PM
        17h 25m
        1 stop
        BCN 2:00 PM
        Seattle - Barcelona | Thu, Sep 17 | Normal Airline
        BCN 3:00 PM
        6h
        Nonstop
        SEA 4:00 PM
        Barcelona - Seattle | Sat, Sep 19 | Normal Airline
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      • Cheapest nonstop
        SEA 3:30 PM
        10h 40m
        Nonstop
        BCN 11:10 AM
        Seattle - Barcelona | Tue, Oct 13 | Delta Air Lines
        $476 $528
        10% off
        10% off
        $528 $476
      • SEA 3:30 PM
        10h 40m
        Nonstop
        BCN 11:10 AM
        Seattle - Barcelona | Tue, Oct 13 | Air France
        $480 $528
        9% off
        9% off
        $528 $480
      • SEA 7:00 PM
        34h 45m
        1 stop
        BCN 2:45 PM
        Seattle - Barcelona | Thu, Oct 8 | Icelandair
        $280 $528
        47% off
        47% off
        $528 $280
      • SEA 10:30 AM
        17h
        1 stop
        BCN 12:30 PM
        Seattle - Barcelona | Sat, Oct 10 | WestJet
        $309
        41% off
        $528 $309
      • SEA 7:35 PM
        31h 55m
        1 stop
        BCN 12:30 PM
        Seattle - Barcelona | Thu, Oct 22 | WestJet
        $310
        41% off
        $528 $310
      • SEA 7:35 PM
        31h 55m
        1 stop
        BCN 12:30 PM
        Seattle - Barcelona | Fri, Oct 16 | WestJet
        $325
        38% off
        $528 $325
      • SEA 7:35 PM
        31h 55m
        1 stop
        BCN 11:30 AM
        Seattle - Barcelona | Fri, Oct 23 | WestJet
        $331
        37% off
        $528 $331
      • SEA 7:35 PM
        31h 55m
        1 stop
        BCN 12:30 PM
        Seattle - Barcelona | Mon, Oct 19 | WestJet
        $331
        37% off
        $528 $331
      • SEA 3:55 PM
        21h 55m
        1 stop
        BCN 10:50 PM
        Seattle - Barcelona | Sun, Oct 4 | Scandinavian Airlines
        $331
        37% off
        $528 $331
      • SEA 10:30 AM
        17h
        1 stop
        BCN 12:30 PM
        Seattle - Barcelona | Sat, Oct 17 | WestJet
        $338
        36% off
        $528 $338
      • SEA 3:55 PM
        19h 35m
        1 stop
        BCN 8:30 PM
        Seattle - Barcelona | Fri, Oct 2 | Scandinavian Airlines
        $341
        35% off
        $528 $341
      • SEA 3:55 PM
        21h 55m
        1 stop
        BCN 10:50 PM
        Seattle - Barcelona | Tue, Sep 29 | Scandinavian Airlines
        $346
        34% off
        $528 $346
      • SEA 1:00 PM
        17h 25m
        1 stop
        BCN 2:00 PM
        Seattle - Barcelona | Thu, Sep 17 | Normal Airline
        Find more flights
        Find more flights

Flight.News
Flights from Seattle to Barcelona operate an average of 1 times per day over the past 7 days, with a 100.0% on-time departure rate and a 100.0% on-time arrival rate.

Which airlines are the most popular for Seattle to Barcelona flights?

You can choose from 2 airlines that fly from Seattle to Barcelona, including Icelandair, Condor Airlines, Icelandair has lowest fares on this route.
Icelandair logo Icelandair
Condor Airlines logo Condor Airlines
Airlines are determined based on actual purchased flight tickets from Seattle to Barcelona according to previous 12 months data from Trip.com.

Frequently Asked Questions

  • What are the cheapest flights from Seattle to Barcelona (SEA-BCN)?

    Based on Trip.com data, Icelandair offers one-way fares as low as $280 on Cheapest nonstop routes (e.g. SEA to BCN on Thu, Oct 8), while Scandinavian Airlines offers Cheapest nonstop round-trips from $474 departing on Mon, Oct 5 and returning on Sat, Oct 10.
  • At the moment, you can catch a nonstop flight from Seattle to Barcelona with the following airlines, including: Icelandair Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • It takes around 10 hours 40 minutes to fly from Seattle (SEA) to Barcelona (BCN).
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Seattle to Barcelona is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • To find best deals on flights from Seattle to Barcelona, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Thu, Oct 8, with one-way flights priced at just $280.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Delta Air Lines.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Barcelona travel is around January.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Seattle to Barcelona is October, when demand for travel is lower.
  • After crunching the numbers on our September flight calendar, it's currently cheapest to fly from Seattle to Barcelona on September 26, 2026 with Jetblue Airways, with prices starting at $331.
  • You can arrive at any of the following airports in Barcelona: Josep Tarradellas Barcelona-El Prat Airport (BCN). Flights from Seattle-Tacoma International Airport to Josep Tarradellas Barcelona-El Prat Airport (SEA-BCN) are by far the most popular option for this route.
  • The time difference between Barcelona and Seattle is 9h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.
  • Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Seattle to Barcelona is $686. Fares vary by travel date, airline and availability.
  • Based on Trip.com data for travel in the next 30 days, the average round-trip fare from Seattle to Barcelona is $1,274. The final price depends on the outbound and return dates, airline and fare conditions.
  • Enter Seattle and Barcelona, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveler details and complete payment to receive your confirmation.
  • Condorare the most popular budget airlines flying from Seattle to Barcelona. Check baggage, seat and payment fees before comparing the final price.

Explore More Popular Flights

Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.

Book with no extra fees

Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy.
Cancellation/change due to a flight schedule change:
If the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.