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Cheap flights from Barcelona-El Prat Airport to Seattle from $405

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
10:50 am - 8:40 pmBCN  Barcelona-El Prat-SEA Seattle/Tacoma Intl
18h 50m2 stops London Gatwick Reykjavik Keflavik Intl
Multiple Airlines Logo
7:00 pm - 8:40 pmSEA  Seattle/Tacoma Intl-BCN Barcelona-El Prat
16h 40m2 stops Reykjavik Keflavik Intl London Gatwick
$592Multiple Airlines
Fri, Oct 2 - Tue, Oct 13
Multiple Airlines Logo
9:20 am - 8:40 pmBCN  Barcelona-El Prat-SEA Seattle/Tacoma Intl
20h 20m2 stops London Gatwick Reykjavik Keflavik Intl
Multiple Airlines Logo
7:00 pm - 8:40 pmSEA  Seattle/Tacoma Intl-BCN Barcelona-El Prat
16h 40m2 stops Reykjavik Keflavik Intl London Gatwick
$613Multiple Airlines
Fri, Oct 2 - Tue, Oct 13
Condor Logo
8:00 am - 4:00 pmBCN  Barcelona-El Prat-SEA Seattle/Tacoma Intl
17h 00m1 stop Frankfurt am Main
Condor Logo
6:05 pm - 4:05 pmSEA  Seattle/Tacoma Intl-BCN Barcelona-El Prat
13h 00m1 stop Frankfurt am Main
$668Condor
Fri, Oct 9 - Thu, Oct 22
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 - 4:05 pmSEA  Seattle/Tacoma Intl-BCN Barcelona-El Prat
13h 25m1 stop Frankfurt am Main
$678Condor
Thu, Oct 8 - Wed, Oct 14
Delta Logo
6:00 am - 8:50 pmBCN  Barcelona-El Prat-SEA Seattle/Tacoma Intl
23h 50m2 stops Amsterdam Schiphol Portland
Delta Logo
4:05 pm - 2:00 pmSEA  Seattle/Tacoma Intl-BCN Barcelona-El Prat
12h 55m1 stop Paris Charles de Gaulle
$799Delta
Sun, Jan 10 - Sat, Jan 23
Delta Logo
6:00 am - 2:47 pmBCN  Barcelona-El Prat-SEA Seattle/Tacoma Intl
17h 47m2 stops Amsterdam Schiphol Portland
Delta Logo
11:45 am - 2:00 pmSEA  Seattle/Tacoma Intl-BCN Barcelona-El Prat
17h 15m2 stops San Francisco Paris Charles de Gaulle
$799Delta
Sun, Jan 10 - Sat, Jan 23
British Airways Logo
12:00 pm - 9:59 pmBCN  Barcelona-El Prat-SEA Seattle/Tacoma Intl
18h 59m1 stop Philadelphia
British Airways Logo
1:30 pm - 11:30 amSEA  Seattle/Tacoma Intl-BCN Barcelona-El Prat
13h 00m1 stop London Heathrow
$836British Airways
Thu, Dec 3 - Tue, Dec 8
British Airways Logo
12:50 pm - 10:59 pmBCN  Barcelona-El Prat-SEA Seattle/Tacoma Intl
19h 09m1 stop Philadelphia
British Airways Logo
6:45 pm - 6:30 pmSEA  Seattle/Tacoma Intl-BCN Barcelona-El Prat
14h 45m1 stop London Heathrow
$852British Airways
Tue, Oct 6 - Thu, Dec 3
Lufthansa Logo
6:50 am - 12:00 pmBCN  Barcelona-El Prat-SEA Seattle/Tacoma Intl
14h 10m1 stop Frankfurt am Main
Lufthansa Logo
8:00 am - 9:00 amSEA  Seattle/Tacoma Intl-BCN Barcelona-El Prat
16h 00m1 stop Washington, D.C. Dulles Intl
$909Lufthansa
Sun, Nov 15 - Mon, Mar 8
Lufthansa Logo
6:40 am - 12:20 pmBCN  Barcelona-El Prat-SEA Seattle/Tacoma Intl
14h 40m1 stop Frankfurt am Main
Lufthansa Logo
11:00 am - 6:15 pmSEA  Seattle/Tacoma Intl-BCN Barcelona-El Prat
22h 15m2 stops Chicago O'Hare Intl Frankfurt am Main
$914Lufthansa
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
Sep 17
BCN8:00 amBarcelona-El Prat
17h 00m
1 stop
SEA4:00 pmSeattle/Tacoma Intl
Oct 12
SEA6:10 pmSeattle/Tacoma Intl
19h 00m
1 stop
BCN10:10 pmBarcelona-El Prat
$640
Condor
Oct 9
BCN8:00 amBarcelona-El Prat
17h 00m
1 stop
SEA4:00 pmSeattle/Tacoma Intl
Oct 22
SEA6:05 pmSeattle/Tacoma Intl
13h 00m
1 stop
BCN4:05 pmBarcelona-El Prat
$668
Condor
Oct 8
BCN10:15 amBarcelona-El Prat
14h 45m
1 stop
SEA4:00 pmSeattle/Tacoma Intl
Oct 14
SEA5:40 pmSeattle/Tacoma Intl
13h 25m
1 stop
BCN4:05 pmBarcelona-El Prat
$678

Delta flights from Barcelona-El Prat Airport to Seattle

Our best Delta deals on Barcelona-El Prat Airport to Seattle flight tickets
Delta
Jan 10
BCN6:00 amBarcelona-El Prat
17h 47m
2 stops
SEA2:47 pmSeattle/Tacoma Intl
Jan 23
SEA11:45 amSeattle/Tacoma Intl
17h 15m
2 stops
BCN2:00 pmBarcelona-El Prat
$799
Delta
Sep 27
BCN1:20 pmBarcelona-El Prat
11h 25m
SEA3:45 pmSeattle/Tacoma Intl
Oct 10
SEA1:30 pmSeattle/Tacoma Intl
17h 05m
1 stop
BCN3:35 pmBarcelona-El Prat
$904
Delta
Sep 25
BCN1:20 pmBarcelona-El Prat
11h 25m
SEA3:45 pmSeattle/Tacoma Intl
Oct 10
SEA1:30 pmSeattle/Tacoma Intl
16h 20m
1 stop
BCN2:50 pmBarcelona-El Prat
$906

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

Fri 10/2

10:50 am-8:40 pm

2 stops18h 50m

Seattle/Tacoma Intl

Tue 10/13

7:00 pm-8:40 pm

2 stops16h 40m

$592

BarcelonaSeattle

BCN Barcelona-El Prat - SEA Seattle/Tacoma Intl

BCNSEA

Barcelona-El Prat

Fri 10/2

9:20 am-8:40 pm

2 stops20h 20m

Seattle/Tacoma Intl

Tue 10/13

7:00 pm-8:40 pm

2 stops16h 40m

$613

BarcelonaSeattle

BCN Barcelona-El Prat - SEA Seattle/Tacoma Intl

BCNSEA

Barcelona-El Prat

Fri 10/9

8:00 am-4:00 pm

1 stop17h 00m

Seattle/Tacoma Intl

Thu 10/22

6:05 pm-4:05 pm

1 stop13h 00m

$668
Quickest round-trip

BarcelonaSeattle

BCN Barcelona-El Prat - SEA Seattle/Tacoma Intl

BCNSEA

Barcelona-El Prat

Thu 10/8

10:15 am-4:00 pm

1 stop14h 45m

Seattle/Tacoma Intl

Wed 10/14

5:40 pm-4:05 pm

1 stop13h 25m

$678

BarcelonaSeattle

BCN Barcelona-El Prat - SEA Seattle/Tacoma Intl

BCNSEA

Barcelona-El Prat

Sun 1/10

6:00 am-8:50 pm

2 stops23h 50m

Seattle/Tacoma Intl

Sat 1/23

4:05 pm-2:00 pm

1 stop12h 55m

$799

BarcelonaSeattle

BCN Barcelona-El Prat - SEA Seattle/Tacoma Intl

BCNSEA

Barcelona-El Prat

Sun 1/10

6:00 am-2:47 pm

2 stops17h 47m

Seattle/Tacoma Intl

Sat 1/23

11:45 am-2:00 pm

2 stops17h 15m

$799

BarcelonaSeattle

BCN Barcelona-El Prat - SEA Seattle/Tacoma Intl

BCNSEA

Barcelona-El Prat

Thu 12/3

12:00 pm-9:59 pm

1 stop18h 59m

Seattle/Tacoma Intl

Tue 12/8

1:30 pm-11:30 am

1 stop13h 00m

$836

BarcelonaSeattle

BCN Barcelona-El Prat - SEA Seattle/Tacoma Intl

BCNSEA

Barcelona-El Prat

Tue 10/6

12:50 pm-10:59 pm

1 stop19h 09m

Seattle/Tacoma Intl

Thu 12/3

6:45 pm-6:30 pm

1 stop14h 45m

$852

BarcelonaSeattle

BCN Barcelona-El Prat - SEA Seattle/Tacoma Intl

BCNSEA

Barcelona-El Prat

Sun 11/15

6:50 am-12:00 pm

1 stop14h 10m

Seattle/Tacoma Intl

Mon 3/8

8:00 am-9:00 am

1 stop16h 00m

$909

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

11:00 am-6:15 pm

2 stops22h 15m

$914

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 $901.
The lowest price recently found on this route was $592.

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 May to fly from Barcelona-El Prat Airport, when ticket prices are also cheap, with an average price of $838.

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

$405

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 $405. The best round-trip flight deal from Barcelona-El Prat Airport to Seattle found on momondo in the last 72 hours is $592.
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
588 reviews
Search Condor flights
British AirwaysPriceFrom $662Free CancellationRating
6.7
8,226 reviews
Search British Airways flights
LufthansaPriceFrom $777Free CancellationRating
6.8
8,220 reviews
Search Lufthansa flights
DeltaPriceFrom $815Free CancellationRating
7.8
8,571 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
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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