$263 Cheap Flights from Seattle to Barcelona
We've found these cheap flights for you. You can book one-way or round-trip flight tickets.
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Cheap flight deals from Seattle to Barcelona
We've found these cheap flights for you. You can book one-way or round-trip flight tickets.
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Round-trip
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One way
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SEA 6:00 AM18h 20m1 stopsBCN 9:20 AMSeattle - Barcelona | Tue, Apr 1 | United Airlines
BCN 12:00 PM19h 16m1 stopsSEA 10:16 PMBarcelona - Seattle | Wed, Apr 9 | United Airlines$487 $62422% OFF22% OFF$624 $487 -
SEA 6:45 PM18h 40m1 stopsBCN 10:25 PMSeattle - Barcelona | Tue, Apr 1 | Aer Lingus
BCN 11:00 AM14h 59m1 stopsSEA 4:59 PMBarcelona - Seattle | Mon, Apr 7 | Aer Lingus$489 $62622% OFF22% OFF$626 $489 -
SEA 8:45 AM15h 35m1 stopsBCN 9:20 AMSeattle - Barcelona | Tue, Apr 1 | Delta Air Lines
BCN 2:10 PM17h 24m1 stopsSEA 10:34 PMBarcelona - Seattle | Wed, Apr 9 | Virgin Atlantic$492 $63122% OFF22% OFF$631 $492 -
SEA 6:45 PM18h 40m1 stopsBCN 10:25 PMSeattle - Barcelona | Wed, Apr 2 | Aer Lingus
BCN 11:00 AM14h 59m1 stopsSEA 4:59 PMBarcelona - Seattle | Wed, Apr 9 | Aer Lingus$49322% OFF$632 $493
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SEA 6:50 PM17h 50m1 stopsBCN 9:40 PMSeattle - Barcelona | Wed, Apr 2 | United Airlines
BCN 1:15 PM17h 26m1 stopsSEA 9:41 PMBarcelona - Seattle | Wed, Apr 9 | Air Canada$50422% OFF$646 $504
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SEA 6:50 PM17h 50m1 stopsBCN 9:40 PMSeattle - Barcelona | Wed, Apr 2 | Lufthansa
BCN 12:00 PM19h 16m1 stopsSEA 10:16 PMBarcelona - Seattle | Wed, Apr 9 | United Airlines$50822% OFF$651 $508 -
SEA 6:00 AM18h 20m1 stopsBCN 9:20 AMSeattle - Barcelona | Tue, Apr 1 | Air Canada
BCN 6:45 PM31h 14m1 stopsSEA 4:59 PMBarcelona - Seattle | Tue, Apr 8 | Lufthansa$50822% OFF$652 $508 -
SEA 1:30 PM13h 25m1 stopsBCN 11:55 AMSeattle - Barcelona | Tue, Apr 1 | British Airways
BCN 10:45 AM21h 24m1 stopsSEA 11:09 PMBarcelona - Seattle | Wed, Apr 9 | British Airways$50922% OFF$652 $509 -
SEA 1:30 PM17h 10m1 stopsBCN 3:40 PMSeattle - Barcelona | Wed, Apr 2 | Delta Air Lines
BCN 11:05 AM20h 17m1 stopsSEA 10:22 PMBarcelona - Seattle | Wed, Apr 9 | Virgin Atlantic$50922% OFF$653 $509
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SEA 5:22 AM19h 48m1 stopsBCN 10:10 AMSeattle - Barcelona | Tue, Apr 1 | Iberia
BCN 10:45 AM21h 24m1 stopsSEA 11:09 PMBarcelona - Seattle | Wed, Apr 9 | Iberia$51222% OFF$656 $512 -
SEA 1:00 PM17h 25m1 stopsBCN Invalid DateSeattle - Barcelona | Thu, Apr 3 | Normal Airline
BCN 3:00 PM6hNonstopSEA 4:00 PMBarcelona - Seattle | Sat, Apr 5 | Normal AirlineFind More FlightsFind More Flights
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SEA 7:05 AM20h 20m1 stopsBCN 12:25 PMSeattle - Barcelona | Sat, May 10 | WestJet$263 $33722% OFF22% OFF$337 $263 -
SEA 3:45 PM14h1 stopsBCN 2:45 PMSeattle - Barcelona | Fri, Apr 25 | Icelandair$302 $38722% OFF22% OFF$387 $302 -
SEA 7:05 AM20h 20m1 stopsBCN 12:25 PMSeattle - Barcelona | Tue, May 20 | WestJet$313 $40222% OFF22% OFF$402 $313
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SEA 2:05 PM13h 20m1 stopsBCN 12:25 PMSeattle - Barcelona | Tue, May 6 | WestJet$31622% OFF$406 $316
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SEA 1:50 PM13h 35m1 stopsBCN 12:25 PMSeattle - Barcelona | Sat, May 3 | WestJet$36022% OFF$461 $360
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SEA 1:40 PM18h 5m1 stopsBCN 4:45 PMSeattle - Barcelona | Tue, May 6 | Alaska Airlines$36922% OFF$473 $369 -
SEA 1:40 PM18h 5m1 stopsBCN 4:45 PMSeattle - Barcelona | Tue, May 6 | Hawaiian Airlines$37022% OFF$475 $370 -
SEA 7:05 AM20h 20m1 stopsBCN 12:25 PMSeattle - Barcelona | Fri, May 2 | WestJet$37222% OFF$477 $372
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SEA 10:25 AM21h 20m1 stopsBCN 4:45 PMSeattle - Barcelona | Tue, Apr 15 | Delta Air Lines$37722% OFF$483 $377
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SEA 2:05 PM13h 20m1 stopsBCN 12:25 PMSeattle - Barcelona | Tue, May 27 | WestJet$37722% OFF$484 $377
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SEA 1:00 PM17h 25m1 stopsBCN Invalid DateSeattle - Barcelona | Thu, Apr 3 | Normal AirlineFind More FlightsFind More Flights
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Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.
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Frequently Asked Questions
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When are flight tickets from Seattle (SEA) to Barcelona (BCN) the cheapest?
Airlines adjust prices for flights from Seattle to Barcelona based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays. -
How much do flights from Seattle (SEA) to Barcelona (BCN) cost?
According to Trip.com's data, the lowest price is around $1,038.
How to find a cheap flight from Seattle to Barcelona
Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Seattle to Barcelona. Book your flights at the right time and save more.
Be flexible with your travel dates to get the cheapest Seattle to Barcelona ticket.
Tap "Date" in the flight search bar to browse the calendar and find airfare from Seattle to Barcelona for the next six months in 2025. If you're looking to fly within the next three months, the lowest fare is $263 for a one-way ticket on Sat, May 10.
Compare cheap Seattle to Barcelona flight deals from hundreds of airlines.
Our powerful search system compares prices from over 500 airlines. So you can find the cheapest flights from Seattle to Barcelona. The most affordable airline currently operating on this route is WestJet.
Set up a Price Alert to track fare drops.
Set up a Price Alert for your Seattle to Barcelona route to track ticket prices effortlessly—no need to check manually every day.
Don't miss out on cheap Seattle to Barcelona flight deals and promo codes.
Stay updated on the latest deals with Trip.com Deals and Promo Codes for cheap flights. Sign up for a free membership to unlock even more exclusive flight discounts.
Book early or wait unitl the last minute to fine the best fares.
It's always better to book early! Airlines typically release their lowest fares about a year before departure, so check as soon as flights become available. If you miss that window, you may still find great deals closer to your travel date.
Search for flights on the go.
For the best booking experience on the go, download Trip.com and search for cheap flights from Seattle to Barcelona to access exclusive deals just for you.
Flight Info | Seattle to Barcelona
| Cheapest one-way flight price | $263 |
|---|---|
| Off-season for travel | April |
| Peak season for travel | June |
| Flight distance | 8,722.43 km |
| Popular airline | Aer Lingus |
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