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Cheap flights from Barcelona-El Prat Airport to Seattle from $388

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Barcelona-El Prat Airport to Seattle

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:30 am - 5:00 pmBCN  Barcelona-El Prat-SEA Seattle/Tacoma Intl
42h 30m2 stops London Heathrow 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
$619Multiple Airlines
Mon, Nov 9 - Sun, Nov 15
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
$655Condor
Wed, Oct 14 - Tue, Oct 20
Multiple Airlines Logo
7:30 am - 5:00 pmBCN  Barcelona-El Prat-SEA Seattle/Tacoma Intl
18h 30m2 stops London Heathrow 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
Thu, Nov 26 - Sun, Dec 13
British Airways Logo
10:10 am - 4:50 pmBCN  Barcelona-El Prat-SEA Seattle/Tacoma Intl
15h 40m1 stop London Heathrow
British Airways Logo
6:45 pm - 6:30 pmSEA  Seattle/Tacoma Intl-BCN Barcelona-El Prat
14h 45m1 stop London Heathrow
$821British Airways
Tue, Dec 1 - Wed, Jan 13
British Airways Logo
10:10 am - 4:50 pmBCN  Barcelona-El Prat-SEA Seattle/Tacoma Intl
15h 40m1 stop London Heathrow
British Airways Logo
6:45 pm - 6:25 pmSEA  Seattle/Tacoma Intl-BCN Barcelona-El Prat
14h 40m1 stop London Heathrow
$822British Airways
Tue, Dec 1 - Tue, Jan 12
Delta Logo
10:50 am - 11:55 pmBCN  Barcelona-El Prat-SEA Seattle/Tacoma Intl
22h 05m1 stop Atlanta Hartsfield-Jackson
Delta Logo
7:15 am - 8:35 amSEA  Seattle/Tacoma Intl-BCN Barcelona-El Prat
16h 20m1 stop New York John F Kennedy Intl
$840Delta
Wed, Dec 2 - Wed, Jan 13
Delta Logo
10:50 am - 8:50 pmBCN  Barcelona-El Prat-SEA Seattle/Tacoma Intl
19h 00m1 stop Atlanta Hartsfield-Jackson
Delta Logo
7:15 am - 8:35 amSEA  Seattle/Tacoma Intl-BCN Barcelona-El Prat
16h 20m1 stop New York John F Kennedy Intl
$840Delta
Sat, Dec 5 - Wed, Jan 13
Condor Logo
10:20 am - 4:55 pmBCN  Barcelona-El Prat-SEA Seattle/Tacoma Intl
14h 35m1 stop Frankfurt am Main
Condor Logo
5:45 pm - 4:00 pmSEA  Seattle/Tacoma Intl-BCN Barcelona-El Prat
13h 15m1 stop Frankfurt am Main
$848Condor
Sat, Oct 31 - Thu, Apr 29
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 - 5:35 pmSEA  Seattle/Tacoma Intl-BCN Barcelona-El Prat
18h 45m2 stops Frankfurt am Main Munich Franz Josef Strauss
$880Lufthansa
Mon, Feb 8 - Mon, Feb 15
Lufthansa Logo
6:50 am - 12:00 pmBCN  Barcelona-El Prat-SEA Seattle/Tacoma Intl
14h 10m1 stop Frankfurt am Main
Lufthansa Logo
1:50 pm - 12:15 pmSEA  Seattle/Tacoma Intl-BCN Barcelona-El Prat
13h 25m1 stop Frankfurt am Main
$886Lufthansa
Sat, Mar 6 - Sat, Mar 13

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Turkish Airlines flights from Barcelona-El Prat Airport to Seattle

Our best Turkish Airlines deals on Barcelona-El Prat Airport to Seattle flight tickets
Turkish Airlines
Nov 6
BCN6:30 amBarcelona-El Prat
20h 40m
1 stop
SEA6:10 pmSeattle/Tacoma Intl
Nov 13
SEA7:05 pmSeattle/Tacoma Intl
30h 50m
1 stop
BCN10:55 amBarcelona-El Prat
$775
Turkish Airlines
Dec 4
BCN6:30 amBarcelona-El Prat
19h 40m
1 stop
SEA5:10 pmSeattle/Tacoma Intl
Dec 7
SEA7:05 pmSeattle/Tacoma Intl
19h 45m
1 stop
BCN11:50 pmBarcelona-El Prat
$776
Turkish Airlines
Nov 20
BCN12:20 pmBarcelona-El Prat
37h 50m
1 stop
SEA5:10 pmSeattle/Tacoma Intl
Nov 29
SEA7:05 pmSeattle/Tacoma Intl
19h 45m
1 stop
BCN11:50 pmBarcelona-El Prat
$785

Delta flights from Barcelona-El Prat Airport to Seattle

Our best Delta deals on Barcelona-El Prat Airport to Seattle flight tickets
Delta
Oct 14
BCN1:20 pmBarcelona-El Prat
11h 24m
SEA3:44 pmSeattle/Tacoma Intl
Oct 20
SEA3:30 pmSeattle/Tacoma Intl
10h 40m
BCN11:10 amBarcelona-El Prat
$873
Delta
Oct 14
BCN1:20 pmBarcelona-El Prat
11h 24m
SEA3:44 pmSeattle/Tacoma Intl
Oct 20
SEA1:30 pmSeattle/Tacoma Intl
17h 05m
1 stop
BCN3:35 pmBarcelona-El Prat
$909

momondo Fare Finder

 
Use the filters below to find and compare flights from Barcelona-El Prat Airport to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BarcelonaSeattle

BCN Barcelona-El Prat - SEA Seattle/Tacoma Intl

BCNSEA

Barcelona-El Prat

Mon 11/9

7:30 am-5:00 pm

2 stops42h 30m

Seattle/Tacoma Intl

Sun 11/15

2:35 pm-12:05 am

2 stops24h 30m

$619

BarcelonaSeattle

BCN Barcelona-El Prat - SEA Seattle/Tacoma Intl

BCNSEA

Barcelona-El Prat

Wed 10/14

10:25 am-3:40 pm

1 stop14h 15m

Seattle/Tacoma Intl

Tue 10/20

6:05 pm-10:10 pm

1 stop19h 05m

$655

BarcelonaSeattle

BCN Barcelona-El Prat - SEA Seattle/Tacoma Intl

BCNSEA

Barcelona-El Prat

Thu 11/26

7:30 am-5:00 pm

2 stops18h 30m

Seattle/Tacoma Intl

Sun 12/13

2:35 pm-12:05 am

2 stops24h 30m

$674

BarcelonaSeattle

BCN Barcelona-El Prat - SEA Seattle/Tacoma Intl

BCNSEA

Barcelona-El Prat

Tue 12/1

10:10 am-4:50 pm

1 stop15h 40m

Seattle/Tacoma Intl

Wed 1/13

6:45 pm-6:30 pm

1 stop14h 45m

$821

BarcelonaSeattle

BCN Barcelona-El Prat - SEA Seattle/Tacoma Intl

BCNSEA

Barcelona-El Prat

Tue 12/1

10:10 am-4:50 pm

1 stop15h 40m

Seattle/Tacoma Intl

Tue 1/12

6:45 pm-6:25 pm

1 stop14h 40m

$822

BarcelonaSeattle

BCN Barcelona-El Prat - SEA Seattle/Tacoma Intl

BCNSEA

Barcelona-El Prat

Wed 12/2

10:50 am-11:55 pm

1 stop22h 05m

Seattle/Tacoma Intl

Wed 1/13

7:15 am-8:35 am

1 stop16h 20m

$840

BarcelonaSeattle

BCN Barcelona-El Prat - SEA Seattle/Tacoma Intl

BCNSEA

Barcelona-El Prat

Sat 12/5

10:50 am-8:50 pm

1 stop19h 00m

Seattle/Tacoma Intl

Wed 1/13

7:15 am-8:35 am

1 stop16h 20m

$840

BarcelonaSeattle

BCN Barcelona-El Prat - SEA Seattle/Tacoma Intl

BCNSEA

Barcelona-El Prat

Sat 10/31

10:20 am-4:55 pm

1 stop14h 35m

Seattle/Tacoma Intl

Thu 4/29

5:45 pm-4:00 pm

1 stop13h 15m

$848

BarcelonaSeattle

BCN Barcelona-El Prat - SEA Seattle/Tacoma Intl

BCNSEA

Barcelona-El Prat

Mon 2/8

5:55 am-12:00 pm

1 stop15h 05m

Seattle/Tacoma Intl

Mon 2/15

1:50 pm-5:35 pm

2 stops18h 45m

$880
Quickest round-trip

BarcelonaSeattle

BCN Barcelona-El Prat - SEA Seattle/Tacoma Intl

BCNSEA

Barcelona-El Prat

Sat 3/6

6:50 am-12:00 pm

1 stop14h 10m

Seattle/Tacoma Intl

Sat 3/13

1:50 pm-12:15 pm

1 stop13h 25m

$886

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Seattle from

How to get the cheapest flight ticket from Barcelona-El Prat Airport to Seattle

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Barcelona-El Prat Airport and Seattle?

Prices are currently low for flights on this route.

Typical prices usually range from $716 to $894.
The lowest price recently found on this route was $619.

What is the cheapest month to fly to Seattle?

In general, January is the cheapest month to fly from Barcelona-El Prat Airport to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $803. If you don’t want to visit Seattle in January, then you should wait until October to fly from Barcelona-El Prat Airport, when ticket prices are also cheap, with an average price of $829.

What is the cheapest day to depart on your flight to Seattle?

On average, the least expensive day to fly to Seattle from Barcelona-El Prat Airport is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $1,062. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Friday is the most expensive day to depart from Barcelona-El Prat Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,156.

What is the cheapest Barcelona-El Prat to Seattle/Tacoma Intl flight route?

Fly from Barcelona-El Prat to Seattle/Tacoma Intl for the best Barcelona-El Prat - Seattle/Tacoma Intl flight prices

How far in advance should I book a flight from Barcelona-El Prat Airport to Seattle?

You are more likely to see cheaper flights to Seattle from Barcelona-El Prat Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $894 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Barcelona-El Prat Airport for as low as $632 on momondo.

What cabin class options are available on Barcelona-El Prat Airport to Seattle flights?

There are 2 cabin classes available to choose from on Barcelona-El Prat Airport to Seattle flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Barcelona-El Prat Airport to Seattle flights?

You could potentially save up to 36% on your flight if you consider stops on a Barcelona-El Prat Airport to Seattle flight.

How have Barcelona-El Prat Airport to Seattle flight prices changed over time?

As of October 2026, prices for Barcelona-El Prat Airport to Seattle flights are approximately 29% cheaper when compared to flights at the same time last year.

When to book flights from Barcelona-El Prat Airport to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from Barcelona-El Prat Airport to Seattle according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Barcelona-El Prat Airport to Seattle (BCN to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Barcelona-El Prat Airport to Seattle

Best Price Found

$388

Fastest flight time

11h 24m

Direct flights

Mon and Thu

Airports in Seattle

1 airport
The best one-way flight to Seattle from Barcelona-El Prat Airport in the past 72 hours is $388. The best round-trip flight deal from Barcelona-El Prat Airport to Seattle found on momondo in the last 72 hours is $619.
The fastest flight from Barcelona-El Prat Airport to Seattle takes 11h 24m
Direct flights go from Barcelona-El Prat Airport to Seattle on Monday and Thursday. There are no airlines offering direct flights.
There is 1 airport in Seattle. From Barcelona-El Prat Airport there are direct flights to Seattle/Tacoma Intl (SEA).
Search flight deals

Frequently asked questions about flying from Barcelona-El Prat Airport to Seattle

  • How far is Barcelona-El Prat to Seattle/Tacoma Intl by plane?

    A flight from Barcelona-El Prat to Seattle/Tacoma Intl will travel around 5412.9 mi. By plane, this route typically takes 11h 24m.

  • When did momondo last update prices for flights from Barcelona-El Prat Airport to Seattle/Tacoma Intl Airport?

    Prices for flights from Barcelona-El Prat Airport to Seattle/Tacoma Intl Airport were last updated today.

  • How many operators does momondo search for flights from Barcelona-El Prat Airport to Seattle/Tacoma Intl Airport?

  • How old do you have to be to fly from Barcelona-El Prat Airport to Seattle/Tacoma Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Barcelona-El Prat Airport to Seattle/Tacoma Intl Airport.

  • What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

    The required travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Barcelona-El Prat Airport to Seattle?

  • What is the most popular airline from Barcelona-El Prat Airport to Seattle?

Best airlines flying from Barcelona-El Prat Airport to Seattle

Compare and see reviews for airlines that fly from Barcelona-El Prat Airport to Seattle with momondo
Airline
Rating
Free Cancellation
Price
CondorPriceFrom $635Free CancellationRating
6.7
608 reviews
Search Condor flights
British AirwaysPriceFrom $662Free CancellationRating
6.7
8,244 reviews
Search British Airways flights
LufthansaPriceFrom $777Free CancellationRating
6.8
8,259 reviews
Search Lufthansa flights
DeltaPriceFrom $815Free CancellationRating
7.8
8,630 reviews
Search Delta flights

  • Delta Flights From Barcelona-El Prat Airport to Seattle

    Across 3 Delta flights from Barcelona-El Prat Airport to Seattle this week, the average price was $849, with the best Delta deals starting from $815 round-trip. 8,628 users have rated Delta on momondo, with an average score of 7.8/10.

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
Leavenworth
SeaTac
Ocean Shores
Renton
Redmond
Kent
Olympia
Lakewood
Federal Way
Tukwila
Fife
Puyallup
Lynnwood
Cle Elum
Marysville
Lacey
Kirkland
Centralia
Shoreline

Why use momondo?

Why should I use momondo to find a flight deal from Barcelona to Seattle?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Barcelona to Seattle. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Barcelona to Seattle with flexible booking policies on momondo?

Yes. All flights to Seattle from Barcelona on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Barcelona to Seattle?

Once you have performed a search for Barcelona to Seattle flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Barcelona to Seattle right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Seattle from Barcelona. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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