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

View AU$1,120 flight on Fri, 22 May 2026Opens in a new window

Popular airlines from Barcelona El Prat Airport (BCN) to Seattle-Tacoma International Airport (SEA)

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

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Condor
Mon, 1 Jun. - Sun, 21 Jun.
BCN
Barcelona
SEA
Seattle
AU$1,330 Return, found 2 days ago
AU$1,330
Return
found 2 days ago
Select Condor flight, departing Mon, 1 Jun. from Barcelona to Seattle, returning Sun, 21 Jun., priced at AU$1,330 found 2 days ago
Lufthansa
Mon, 1 Jun. - Sun, 21 Jun.
BCN
Barcelona
SEA
Seattle
AU$1,435 Return, found 2 days ago
AU$1,435
Return
found 2 days ago
Select Lufthansa flight, departing Mon, 1 Jun. from Barcelona to Seattle, returning Sun, 21 Jun., priced at AU$1,435 found 2 days ago
Swiss International Air Lines
Mon, 1 Jun. - Sun, 21 Jun.
BCN
Barcelona
SEA
Seattle
AU$1,448 Return, found 2 days ago
AU$1,448
Return
found 2 days ago
Select Swiss International Air Lines flight, departing Mon, 1 Jun. from Barcelona to Seattle, returning Sun, 21 Jun., priced at AU$1,448 found 2 days ago
Lufthansa
Mon, 1 Jun. - Sun, 21 Jun.
BCN
Barcelona
SEA
Seattle
AU$1,526 Return, found 2 days ago
AU$1,526
Return
found 2 days ago
Select Lufthansa flight, departing Mon, 1 Jun. from Barcelona to Seattle, returning Sun, 21 Jun., priced at AU$1,526 found 2 days ago
Lufthansa
Mon, 1 Jun. - Sun, 21 Jun.
BCN
Barcelona
SEA
Seattle
AU$1,529 Return, found 2 days ago
AU$1,529
Return
found 2 days ago
Select Lufthansa flight, departing Mon, 1 Jun. from Barcelona to Seattle, returning Sun, 21 Jun., priced at AU$1,529 found 2 days ago
Swiss International Air Lines
Mon, 1 Jun. - Sun, 21 Jun.
BCN
Barcelona
SEA
Seattle
AU$1,539 Return, found 2 days ago
AU$1,539
Return
found 2 days ago
Select Swiss International Air Lines flight, departing Mon, 1 Jun. from Barcelona to Seattle, returning Sun, 21 Jun., priced at AU$1,539 found 2 days ago
Swiss International Air Lines
Mon, 1 Jun. - Sun, 21 Jun.
BCN
Barcelona
SEA
Seattle
AU$1,542 Return, found 2 days ago
AU$1,542
Return
found 2 days ago
Select Swiss International Air Lines flight, departing Mon, 1 Jun. from Barcelona to Seattle, returning Sun, 21 Jun., priced at AU$1,542 found 2 days ago
United
Mon, 1 Jun. - Sun, 21 Jun.
BCN
Barcelona
SEA
Seattle
AU$1,553 Return, found 2 days ago
AU$1,553
Return
found 2 days ago
Select United flight, departing Mon, 1 Jun. from Barcelona to Seattle, returning Sun, 21 Jun., priced at AU$1,553 found 2 days ago
Air Canada
Mon, 1 Jun. - Sun, 21 Jun.
BCN
Barcelona
SEA
Seattle
AU$1,568 Return, found 2 days ago
AU$1,568
Return
found 2 days ago
Select Air Canada flight, departing Mon, 1 Jun. from Barcelona to Seattle, returning Sun, 21 Jun., priced at AU$1,568 found 2 days ago
Delta
Mon, 1 Jun. - Sun, 21 Jun.
BCN
Barcelona
SEA
Seattle
AU$1,569 Return, found 2 days ago
AU$1,569
Return
found 2 days ago
Select Delta flight, departing Mon, 1 Jun. from Barcelona to Seattle, returning Sun, 21 Jun., priced at AU$1,569 found 2 days ago

Find the cheapest month to fly from Barcelona (BCN) to Seattle (SEA)

June is typically the cheapest month to fly

From AU$673 - AU$1,880 per traveller.

Graph displaying average flight prices per month

Flight from Barcelona to Seattle route information
Origin airport
Barcelona Intl.
Destination airport
Seattle - Tacoma Intl.
Return price
AU$1,329
Distance
8678 km

Your quick guide to flights from Barcelona to Seattle

Pick up great flights from Barcelona to Seattle

With Expedia, you have your pick of flights a day with 20 airlines covering flights from Barcelona to Seattle. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from Barcelona to Seattle that take around hours.

Find cheap flights from Barcelona to Seattle

From the great flight deals with prices currently ranging from AU$1,330 to AU$1,903, you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from Barcelona to Seattle around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to Seattle is normally in June.

Reasons to book your flight from Barcelona to Seattle with Expedia

Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from Barcelona to Seattle across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to Seattle right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.

Frequently asked questions

How much is a flight from BCN to SEA?
Pack your bags, because round-trip flights from BCN to SEA start from AU$1,330. That's based on airfares listed within the last 7 days on Expedia for flights departing within the next year. Prices can move quickly, so book today to get the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Barcelona Airport to Sea-Tac Airport?
The majority of flights can be conveniently cancelled online, but whether or not you are charged a fee depends on your airline. If you do need to cancel your escape, follow the easy instructions in the Customer Service Portal.
How do I find cheap flights from Josep Tarradellas Barcelona–El Prat Airport to SEA that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Barcelona Intl. Airport (BCN) to Seattle - Tacoma Intl. Airport (SEA) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Josep Tarradellas Barcelona–El Prat Airport to Sea-Tac Airport?
With a flight distance of 8 700 kilometres from Barcelona Airport (BCN) to Seattle - Tacoma Intl. Airport (SEA) (SEA), this is a long trip. Remember to drink plenty of water and get up to stretch your legs every so often.
Which airlines fly direct from Josep Tarradellas Barcelona–El Prat Airport to Seattle - Tacoma Intl. Airport (SEA)?
If you want to fly straight from Barcelona Airport to Sea-Tac Airport, you'll need to book a flight with at least one stop. Unfortunately, there are no airlines that fly directly between these airports.
Are Josep Tarradellas Barcelona–El Prat Airport to Seattle - Tacoma Intl. Airport (SEA) flight tickets cheaper when they're purchased at the last minute?
It is possible to nab an awesome last-minute deal from BCN to SEA, but there's no guarantee. As many airlines advertise prices up to a year in advance, it's worth keeping an eye on fares early and being ready to pounce when you see a bargain. Expedia compares carrier prices and updates flight deals often, so you can feel confident knowing you're always seeing the latest offers.

Explore a world of travel with Expedia

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