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Cheap flights from Barcelona-El Prat Airport to Seattle from $383

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.
Condor Logo
10:25 am - 3:40 pmBCN  Barcelona-El Prat-SEA Seattle/Tacoma Intl
14h 15m1 stop Frankfurt am Main
Condor Logo
5:40 pm - 4:05 pmSEA  Seattle/Tacoma Intl-BCN Barcelona-El Prat
13h 25m1 stop Frankfurt am Main
$599Condor
Wed, Oct 14 - Wed, Oct 21
Multiple Airlines Logo
8:45 am - 8:40 pmBCN  Barcelona-El Prat-SEA Seattle/Tacoma Intl
20h 55m2 stops London Gatwick Reykjavik Keflavik Intl
Multiple Airlines Logo
7:00 pm - 7:20 pmSEA  Seattle/Tacoma Intl-BCN Barcelona-El Prat
15h 20m2 stops Reykjavik Keflavik Intl London Gatwick
$619Multiple Airlines
Thu, Oct 1 - Fri, Oct 16
Condor Logo
10:15 am - 4:00 pmBCN  Barcelona-El Prat-SEA Seattle/Tacoma Intl
14h 45m1 stop Frankfurt am Main
Condor Logo
5:40 pm - 10:10 pmSEA  Seattle/Tacoma Intl-BCN Barcelona-El Prat
19h 30m1 stop Frankfurt am Main
$654Condor
Thu, Sep 17 - Wed, Sep 30
Multiple Airlines Logo
8:00 am - 8:40 pmBCN  Barcelona-El Prat-SEA Seattle/Tacoma Intl
21h 40m2 stops London Gatwick Reykjavik Keflavik Intl
Multiple Airlines Logo
3:35 pm - 11:05 pmSEA  Seattle/Tacoma Intl-BCN Barcelona-El Prat
23h 30m2 stops Reykjavik Keflavik Intl London Gatwick
$662Multiple Airlines
Tue, Oct 20 - Tue, Oct 27
Delta Logo
6:00 am - 11:47 amBCN  Barcelona-El Prat-SEA Seattle/Tacoma Intl
14h 47m1 stop Amsterdam Schiphol
Delta Logo
6:05 am - 11:10 amSEA  Seattle/Tacoma Intl-BCN Barcelona-El Prat
20h 05m2 stops Minneapolis St Paul Paris Charles de Gaulle
$792Delta
Thu, Feb 4 - Sun, Feb 7
Delta Logo
6:00 am - 11:47 amBCN  Barcelona-El Prat-SEA Seattle/Tacoma Intl
14h 47m1 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
$792Delta
Sat, Feb 13 - Wed, Feb 17
British Airways Logo
12:00 pm - 10:01 pmBCN  Barcelona-El Prat-SEA Seattle/Tacoma Intl
19h 01m1 stop Philadelphia
British Airways Logo
6:45 pm - 10:30 pmSEA  Seattle/Tacoma Intl-BCN Barcelona-El Prat
18h 45m1 stop London Heathrow
$814British Airways
Mon, Mar 1 - Fri, Mar 12
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 - 7:25 pmSEA  Seattle/Tacoma Intl-BCN Barcelona-El Prat
15h 40m1 stop London Heathrow
$890British Airways
Fri, Nov 20 - Sun, Nov 29
Lufthansa Logo
6:40 am - 12:20 pmBCN  Barcelona-El Prat-SEA Seattle/Tacoma Intl
14h 40m1 stop Frankfurt am Main
Lufthansa Logo
2:10 pm - 6:15 pmSEA  Seattle/Tacoma Intl-BCN Barcelona-El Prat
19h 05m1 stop Frankfurt am Main
$894Lufthansa
Sun, Oct 4 - Sun, Oct 11
Lufthansa Logo
6:40 am - 12:20 pmBCN  Barcelona-El Prat-SEA Seattle/Tacoma Intl
14h 40m1 stop Frankfurt am Main
Lufthansa Logo
10:10 am - 3:35 pmSEA  Seattle/Tacoma Intl-BCN Barcelona-El Prat
20h 25m2 stops Vancouver Intl Frankfurt am Main
$907Lufthansa
Sun, Oct 11 - Thu, Apr 29

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Condor flights from Barcelona-El Prat Airport to Seattle

Our best Condor deals on Barcelona-El Prat Airport to Seattle flight tickets
Condor
Oct 14
BCN10:25 amBarcelona-El Prat
14h 15m
1 stop
SEA3:40 pmSeattle/Tacoma Intl
Oct 21
SEA5:40 pmSeattle/Tacoma Intl
13h 25m
1 stop
BCN4:05 pmBarcelona-El Prat
$599
Condor
Sep 9
BCN10:25 amBarcelona-El Prat
14h 15m
1 stop
SEA3:40 pmSeattle/Tacoma Intl
Oct 7
SEA5:40 pmSeattle/Tacoma Intl
19h 30m
1 stop
BCN10:10 pmBarcelona-El Prat
$629
Condor
Sep 17
BCN10:15 amBarcelona-El Prat
14h 45m
1 stop
SEA4:00 pmSeattle/Tacoma Intl
Sep 30
SEA5:40 pmSeattle/Tacoma Intl
19h 30m
1 stop
BCN10:10 pmBarcelona-El Prat
$654

Aer Lingus flights from Barcelona-El Prat Airport to Seattle

Our best Aer Lingus deals on Barcelona-El Prat Airport to Seattle flight tickets
Aer Lingus
Sep 10
BCN11:00 amBarcelona-El Prat
15h 10m
1 stop
SEA5:10 pmSeattle/Tacoma Intl
Sep 28
SEA7:10 pmSeattle/Tacoma Intl
18h 20m
1 stop
BCN10:30 pmBarcelona-El Prat
$906
Aer Lingus
Sep 10
BCN11:00 amBarcelona-El Prat
15h 10m
1 stop
SEA5:10 pmSeattle/Tacoma Intl
Sep 28
SEA7:10 pmSeattle/Tacoma Intl
18h 20m
1 stop
BCN10:30 pmBarcelona-El Prat
$916

momondo Fare Finder

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

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Route

Depart

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Price

Cheapest round-trip
Quickest round-trip

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

Wed 10/21

5:40 pm-4:05 pm

1 stop13h 25m

$599

BarcelonaSeattle

BCN Barcelona-El Prat - SEA Seattle/Tacoma Intl

BCNSEA

Barcelona-El Prat

Thu 10/1

8:45 am-8:40 pm

2 stops20h 55m

Seattle/Tacoma Intl

Fri 10/16

7:00 pm-7:20 pm

2 stops15h 20m

$619

BarcelonaSeattle

BCN Barcelona-El Prat - SEA Seattle/Tacoma Intl

BCNSEA

Barcelona-El Prat

Thu 9/17

10:15 am-4:00 pm

1 stop14h 45m

Seattle/Tacoma Intl

Wed 9/30

5:40 pm-10:10 pm

1 stop19h 30m

$654

BarcelonaSeattle

BCN Barcelona-El Prat - SEA Seattle/Tacoma Intl

BCNSEA

Barcelona-El Prat

Tue 10/20

8:00 am-8:40 pm

2 stops21h 40m

Seattle/Tacoma Intl

Tue 10/27

3:35 pm-11:05 pm

2 stops23h 30m

$662

BarcelonaSeattle

BCN Barcelona-El Prat - SEA Seattle/Tacoma Intl

BCNSEA

Barcelona-El Prat

Thu 2/4

6:00 am-11:47 am

1 stop14h 47m

Seattle/Tacoma Intl

Sun 2/7

6:05 am-11:10 am

2 stops20h 05m

$792

BarcelonaSeattle

BCN Barcelona-El Prat - SEA Seattle/Tacoma Intl

BCNSEA

Barcelona-El Prat

Sat 2/13

6:00 am-11:47 am

1 stop14h 47m

Seattle/Tacoma Intl

Wed 2/17

11:30 am-2:55 pm

2 stops18h 25m

$792

BarcelonaSeattle

BCN Barcelona-El Prat - SEA Seattle/Tacoma Intl

BCNSEA

Barcelona-El Prat

Mon 3/1

12:00 pm-10:01 pm

1 stop19h 01m

Seattle/Tacoma Intl

Fri 3/12

6:45 pm-10:30 pm

1 stop18h 45m

$814

BarcelonaSeattle

BCN Barcelona-El Prat - SEA Seattle/Tacoma Intl

BCNSEA

Barcelona-El Prat

Fri 11/20

12:00 pm-10:31 pm

1 stop19h 31m

Seattle/Tacoma Intl

Sun 11/29

6:45 pm-7:25 pm

1 stop15h 40m

$890

BarcelonaSeattle

BCN Barcelona-El Prat - SEA Seattle/Tacoma Intl

BCNSEA

Barcelona-El Prat

Sun 10/4

6:40 am-12:20 pm

1 stop14h 40m

Seattle/Tacoma Intl

Sun 10/11

2:10 pm-6:15 pm

1 stop19h 05m

$894

BarcelonaSeattle

BCN Barcelona-El Prat - SEA Seattle/Tacoma Intl

BCNSEA

Barcelona-El Prat

Sun 10/11

6:40 am-12:20 pm

1 stop14h 40m

Seattle/Tacoma Intl

Thu 4/29

10:10 am-3:35 pm

2 stops20h 25m

$907

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 $784 to $896.
The lowest price recently found on this route was $599.

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 April to fly from Barcelona-El Prat Airport, when ticket prices are also cheap, with an average price of $837.

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 $897 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 September 2026, prices for Barcelona-El Prat Airport to Seattle flights are approximately 19% more expensive 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

$383

Fastest flight time

11h 24m

Direct flights

Mon, Thu and Sat

Airports in Seattle

1 airport
The best one-way flight to Seattle from Barcelona-El Prat Airport in the past 72 hours is $383. The best round-trip flight deal from Barcelona-El Prat Airport to Seattle found on momondo in the last 72 hours is $599.
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, Thursday and Saturday. 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
6.6
577 reviews
Search Condor flights
British AirwaysPriceFrom $662Free CancellationRating
6.7
8,211 reviews
Search British Airways flights
LufthansaPriceFrom $777Free CancellationRating
6.8
8,217 reviews
Search Lufthansa flights
DeltaPriceFrom $815Free CancellationRating
7.8
8,550 reviews
Search Delta flights

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
Kent
Olympia
Redmond
Lakewood
Federal Way
Fife
Puyallup
Tukwila
Lynnwood
Cle Elum
Marysville
Kirkland
Lacey
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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