Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Barcelona-El Prat Airport to Seattle from $417

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
$622Multiple Airlines
Tue, Nov 24 - Tue, Dec 1
Multiple Airlines Logo
7:30 am - 5:00 pmBCN  Barcelona-El Prat-SEA Seattle/Tacoma Intl
18h 30m1 stop London Heathrow
Multiple Airlines Logo
6:45 pm - 12:05 amSEA  Seattle/Tacoma Intl-BCN Barcelona-El Prat
20h 20m1 stop London Heathrow
$680Multiple Airlines
Tue, Nov 24 - Tue, Dec 1
Multiple Airlines Logo
9:50 am - 5:00 pmBCN  Barcelona-El Prat-SEA Seattle/Tacoma Intl
16h 10m1 stop London Luton
Multiple Airlines Logo
6:40 pm - 8:25 pmSEA  Seattle/Tacoma Intl-BCN Barcelona-El Prat
16h 45m1 stop London Heathrow
$695Multiple Airlines
Tue, Dec 15 - Tue, Jan 12
Delta Logo
6:00 am - 11:47 amBCN  Barcelona-El Prat-SEA Seattle/Tacoma Intl
14h 47m1 stop Amsterdam Schiphol
Delta Logo
11:45 am - 2:00 pmSEA  Seattle/Tacoma Intl-BCN Barcelona-El Prat
17h 15m2 stops Cincinnati Cinci./N. Kentucky Paris Charles de Gaulle
$816Delta
Mon, Feb 22 - Sat, Mar 6
Delta Logo
6:00 am - 11:49 amBCN  Barcelona-El Prat-SEA Seattle/Tacoma Intl
14h 49m1 stop Amsterdam Schiphol
Delta Logo
11:45 am - 2:00 pmSEA  Seattle/Tacoma Intl-BCN Barcelona-El Prat
17h 15m2 stops Cincinnati Cinci./N. Kentucky Paris Charles de Gaulle
$816Delta
Thu, Jan 21 - Thu, Feb 4
Delta Logo
6:00 am - 11:49 amBCN  Barcelona-El Prat-SEA Seattle/Tacoma Intl
14h 49m1 stop Amsterdam Schiphol
Delta Logo
4:05 pm - 2:00 pmSEA  Seattle/Tacoma Intl-BCN Barcelona-El Prat
12h 55m1 stop Paris Charles de Gaulle
$816Delta
Thu, Jan 21 - Thu, Feb 4
Lufthansa Logo
6:50 am - 2:37 pmBCN  Barcelona-El Prat-SEA Seattle/Tacoma Intl
16h 47m2 stops Frankfurt am Main Vancouver Intl
Lufthansa Logo
7:00 am - 1:00 pmSEA  Seattle/Tacoma Intl-BCN Barcelona-El Prat
21h 00m2 stops Chicago O'Hare Intl Frankfurt am Main
$936Lufthansa
Wed, Dec 9 - Fri, Jan 15
Lufthansa Logo
6:50 am - 2:37 pmBCN  Barcelona-El Prat-SEA Seattle/Tacoma Intl
16h 47m2 stops Frankfurt am Main Vancouver Intl
Lufthansa Logo
8:08 am - 11:00 amSEA  Seattle/Tacoma Intl-BCN Barcelona-El Prat
17h 52m2 stops Washington, D.C. Dulles Intl Munich Franz Josef Strauss
$955Lufthansa
Tue, Dec 15 - Tue, Jan 12
British Airways Logo
6:10 pm - 12:25 pmBCN  Barcelona-El Prat-SEA Seattle/Tacoma Intl
26h 15m1 stop London Heathrow
British Airways Logo
6:45 pm - 5:30 pmSEA  Seattle/Tacoma Intl-BCN Barcelona-El Prat
13h 45m1 stop London Heathrow
$1,003British Airways
Mon, Oct 26 - Tue, Nov 10
British Airways Logo
9:15 am - 4:50 pmBCN  Barcelona-El Prat-SEA Seattle/Tacoma Intl
16h 35m2 stops Madrid Barajas London Heathrow
British Airways Logo
10:52 am - 1:45 pmSEA  Seattle/Tacoma Intl-BCN Barcelona-El Prat
17h 53m2 stops Chicago O'Hare Intl London Heathrow
$1,645British Airways
Thu, Nov 19 - Wed, Dec 2

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Condor flights from Barcelona-El Prat Airport to Seattle

Our best Condor deals on Barcelona-El Prat Airport to Seattle flight tickets
Condor
Oct 23
BCN10:15 amBarcelona-El Prat
14h 45m
1 stop
SEA4:00 pmSeattle/Tacoma Intl
Oct 26
SEA6:50 pmSeattle/Tacoma Intl
19h 20m
1 stop
BCN10:10 pmBarcelona-El Prat
$628
Condor
Oct 22
BCN10:15 amBarcelona-El Prat
14h 45m
1 stop
SEA4:00 pmSeattle/Tacoma Intl
Oct 29
SEA6:50 pmSeattle/Tacoma Intl
19h 20m
1 stop
BCN10:10 pmBarcelona-El Prat
$712
Condor
Oct 17
BCN8:00 amBarcelona-El Prat
17h 00m
1 stop
SEA4:00 pmSeattle/Tacoma Intl
Oct 24
SEA6:50 pmSeattle/Tacoma Intl
19h 20m
1 stop
BCN10:10 pmBarcelona-El Prat
$894

Icelandair flights from Barcelona-El Prat Airport to Seattle

Our best Icelandair deals on Barcelona-El Prat Airport to Seattle flight tickets
Icelandair
Nov 19
BCN2:45 pmBarcelona-El Prat
35h 15m
1 stop
SEA5:00 pmSeattle/Tacoma Intl
Dec 2
SEA2:35 pmSeattle/Tacoma Intl
14h 05m
1 stop
BCN1:40 pmBarcelona-El Prat
$758
Icelandair
Nov 19
BCN2:45 pmBarcelona-El Prat
35h 15m
1 stop
SEA5:00 pmSeattle/Tacoma Intl
Dec 2
SEA2:35 pmSeattle/Tacoma Intl
14h 05m
1 stop
BCN1:40 pmBarcelona-El Prat
$759
Icelandair
Nov 22
BCN2:45 pmBarcelona-El Prat
35h 15m
1 stop
SEA5:00 pmSeattle/Tacoma Intl
Dec 9
SEA2:35 pmSeattle/Tacoma Intl
14h 05m
1 stop
BCN1:40 pmBarcelona-El Prat
$783

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

Tue 11/24

7:30 am-5:00 pm

2 stops42h 30m

Seattle/Tacoma Intl

Tue 12/1

2:35 pm-12:05 am

2 stops24h 30m

$622

BarcelonaSeattle

BCN Barcelona-El Prat - SEA Seattle/Tacoma Intl

BCNSEA

Barcelona-El Prat

Tue 11/24

7:30 am-5:00 pm

1 stop18h 30m

Seattle/Tacoma Intl

Tue 12/1

6:45 pm-12:05 am

1 stop20h 20m

$680

BarcelonaSeattle

BCN Barcelona-El Prat - SEA Seattle/Tacoma Intl

BCNSEA

Barcelona-El Prat

Tue 12/15

9:50 am-5:00 pm

1 stop16h 10m

Seattle/Tacoma Intl

Tue 1/12

6:40 pm-8:25 pm

1 stop16h 45m

$695

BarcelonaSeattle

BCN Barcelona-El Prat - SEA Seattle/Tacoma Intl

BCNSEA

Barcelona-El Prat

Mon 2/22

6:00 am-11:47 am

1 stop14h 47m

Seattle/Tacoma Intl

Sat 3/6

11:45 am-2:00 pm

2 stops17h 15m

$816

BarcelonaSeattle

BCN Barcelona-El Prat - SEA Seattle/Tacoma Intl

BCNSEA

Barcelona-El Prat

Thu 1/21

6:00 am-11:49 am

1 stop14h 49m

Seattle/Tacoma Intl

Thu 2/4

11:45 am-2:00 pm

2 stops17h 15m

$816
Quickest round-trip

BarcelonaSeattle

BCN Barcelona-El Prat - SEA Seattle/Tacoma Intl

BCNSEA

Barcelona-El Prat

Thu 1/21

6:00 am-11:49 am

1 stop14h 49m

Seattle/Tacoma Intl

Thu 2/4

4:05 pm-2:00 pm

1 stop12h 55m

$816

BarcelonaSeattle

BCN Barcelona-El Prat - SEA Seattle/Tacoma Intl

BCNSEA

Barcelona-El Prat

Wed 12/9

6:50 am-2:37 pm

2 stops16h 47m

Seattle/Tacoma Intl

Fri 1/15

7:00 am-1:00 pm

2 stops21h 00m

$936

BarcelonaSeattle

BCN Barcelona-El Prat - SEA Seattle/Tacoma Intl

BCNSEA

Barcelona-El Prat

Tue 12/15

6:50 am-2:37 pm

2 stops16h 47m

Seattle/Tacoma Intl

Tue 1/12

8:08 am-11:00 am

2 stops17h 52m

$955

BarcelonaSeattle

BCN Barcelona-El Prat - SEA Seattle/Tacoma Intl

BCNSEA

Barcelona-El Prat

Mon 10/26

6:10 pm-12:25 pm

1 stop26h 15m

Seattle/Tacoma Intl

Tue 11/10

6:45 pm-5:30 pm

1 stop13h 45m

$1,003

BarcelonaSeattle

BCN Barcelona-El Prat - SEA Seattle/Tacoma Intl

BCNSEA

Barcelona-El Prat

Thu 11/19

9:15 am-4:50 pm

2 stops16h 35m

Seattle/Tacoma Intl

Wed 12/2

10:52 am-1:45 pm

2 stops17h 53m

$1,645

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 $701 to $915.
The lowest price recently found on this route was $622.

What is the cheapest month to fly to Seattle?

In general, October 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 $760. If you don’t want to visit Seattle in October, then you should wait until January to fly from Barcelona-El Prat Airport, when ticket prices are also cheap, with an average price of $803.

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 $888 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

$417

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 $417. The best round-trip flight deal from Barcelona-El Prat Airport to Seattle found on momondo in the last 72 hours is $622.
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
6.7
613 reviews
Search Condor flights
British AirwaysPriceFrom $662Free CancellationRating
6.7
8,262 reviews
Search British Airways flights
LufthansaPriceFrom $777Free CancellationRating
6.8
8,278 reviews
Search Lufthansa flights
DeltaPriceFrom $815Free CancellationRating
7.8
8,650 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
Redmond
Olympia
Kent
Federal Way
Lakewood
Lynnwood
Puyallup
Tukwila
Fife
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.

An easier way to manage your Seattle trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 11/13
Fri 11/20
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States