Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Barcelona-El Prat Airport to Seattle from $364

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Barcelona-El Prat Airport to Seattle departing on 2/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

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

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
10:55 am - 3:40 pm
BCN
-
SEA
13h 45m1 stop
Condor Logo
5:40 pm - 4:00 pm
SEA
-
BCN
13h 20m1 stop
$580Condor
Wed, Jun 17 - Wed, Jul 22
Condor Logo
8:00 am - 3:40 pm
BCN
-
SEA
16h 40m1 stop
Condor Logo
5:40 pm - 10:10 pm
SEA
-
BCN
19h 30m1 stop
$630Condor
Sat, May 2 - Sat, May 2
Multiple Airlines Logo
6:40 pm - 1:20 pm
BCN
-
SEA
27h 40m2 stops
Multiple Airlines Logo
3:40 pm - 12:05 am
SEA
-
BCN
23h 25m2 stops
$699Multiple Airlines
Tue, Feb 3 - Wed, Feb 11
Icelandair Logo
11:50 am - 5:00 pm
BCN
-
SEA
14h 10m1 stop
Icelandair Logo
2:35 pm - 1:35 pm
SEA
-
BCN
14h 00m1 stop
$724Icelandair
Fri, Jan 16 - Fri, Jan 30
Icelandair Logo
11:50 am - 5:00 pm
BCN
-
SEA
14h 10m1 stop
Icelandair Logo
2:35 pm - 1:35 pm
SEA
-
BCN
14h 00m1 stop
$725Icelandair
Fri, Jan 16 - Fri, Jan 30
Icelandair Logo
11:50 am - 5:00 pm
BCN
-
SEA
14h 10m1 stop
Icelandair Logo
2:35 pm - 1:35 pm
SEA
-
BCN
14h 00m1 stop
$737Icelandair
Fri, Jan 16 - Fri, Jan 30
Multiple Airlines Logo
7:10 am - 5:00 pm
BCN
-
SEA
18h 50m2 stops
Multiple Airlines Logo
2:35 pm - 10:50 pm
SEA
-
BCN
23h 15m2 stops
$738Multiple Airlines
Mon, Feb 16 - Mon, Feb 23
Multiple Airlines Logo
11:10 am - 1:20 pm
BCN
-
SEA
35h 10m3 stops
Multiple Airlines Logo
3:40 pm - 12:05 am
SEA
-
BCN
23h 25m2 stops
$755Multiple Airlines
Tue, Feb 3 - Wed, Feb 11
Icelandair Logo
11:50 am - 5:00 pm
BCN
-
SEA
14h 10m1 stop
Icelandair Logo
3:00 pm - 1:15 pm
SEA
-
BCN
14h 15m1 stop
$765Icelandair
Fri, Jan 30 - Sun, Mar 8
Iberia Logo
10:40 am - 11:51 pm
BCN
-
SEA
22h 11m1 stop
Iberia Logo
7:50 pm - 6:25 pm
SEA
-
BCN
14h 35m1 stop
$769Iberia
Mon, Feb 2 - Tue, Mar 10

Condor flights from Barcelona-El Prat Airport to Seattle

Our best Condor deals on Barcelona-El Prat Airport to Seattle flight tickets
Condor
Jun 17
BCN10:55 amBarcelona-El Prat
13h 45m
1 stop
SEA3:40 pmSeattle/Tacoma Intl
Jul 22
SEA5:40 pmSeattle/Tacoma Intl
13h 20m
1 stop
BCN4:00 pmBarcelona-El Prat
$580
Find similar
Condor
May 2
BCN8:00 amBarcelona-El Prat
16h 40m
1 stop
SEA3:40 pmSeattle/Tacoma Intl
May 2
SEA5:40 pmSeattle/Tacoma Intl
19h 30m
1 stop
BCN10:10 pmBarcelona-El Prat
$630
Find similar

Icelandair flights from Barcelona-El Prat Airport to Seattle

Our best Icelandair deals on Barcelona-El Prat Airport to Seattle flight tickets
Icelandair
Jan 16
BCN11:50 amBarcelona-El Prat
14h 10m
1 stop
SEA5:00 pmSeattle/Tacoma Intl
Jan 30
SEA2:35 pmSeattle/Tacoma Intl
14h 00m
1 stop
BCN1:35 pmBarcelona-El Prat
$724
Find similar
Icelandair
Jan 16
BCN11:50 amBarcelona-El Prat
14h 10m
1 stop
SEA5:00 pmSeattle/Tacoma Intl
Jan 30
SEA2:35 pmSeattle/Tacoma Intl
14h 00m
1 stop
BCN1:35 pmBarcelona-El Prat
$725
Find similar
Icelandair
Jan 16
BCN11:50 amBarcelona-El Prat
14h 10m
1 stop
SEA5:00 pmSeattle/Tacoma Intl
Jan 30
SEA2:35 pmSeattle/Tacoma Intl
14h 00m
1 stop
BCN1:35 pmBarcelona-El Prat
$737
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Barcelona-El Prat Airport to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated January 3, 2026.
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

BarcelonaSeattle

BCN - SEA

BCNSEA

Barcelona-El Prat

Wed 6/17

10:55 am-3:40 pm

1 stop13h 45m

Seattle/Tacoma Intl

Wed 7/22

5:40 pm-4:00 pm

1 stop13h 20m

$580

BarcelonaSeattle

BCN - SEA

BCNSEA

Barcelona-El Prat

Sat 5/2

8:00 am-3:40 pm

1 stop16h 40m

Seattle/Tacoma Intl

Sat 5/2

5:40 pm-10:10 pm

1 stop19h 30m

$630

BarcelonaSeattle

BCN - SEA

BCNSEA

Barcelona-El Prat

Tue 2/3

6:40 pm-1:20 pm

2 stops27h 40m

Seattle/Tacoma Intl

Wed 2/11

3:40 pm-12:05 am

2 stops23h 25m

$699

BarcelonaSeattle

BCN - SEA

BCNSEA

Barcelona-El Prat

Fri 1/16

11:50 am-5:00 pm

1 stop14h 10m

Seattle/Tacoma Intl

Fri 1/30

2:35 pm-1:35 pm

1 stop14h 00m

$724

BarcelonaSeattle

BCN - SEA

BCNSEA

Barcelona-El Prat

Fri 1/16

11:50 am-5:00 pm

1 stop14h 10m

Seattle/Tacoma Intl

Fri 1/30

2:35 pm-1:35 pm

1 stop14h 00m

$725

BarcelonaSeattle

BCN - SEA

BCNSEA

Barcelona-El Prat

Fri 1/16

11:50 am-5:00 pm

1 stop14h 10m

Seattle/Tacoma Intl

Fri 1/30

2:35 pm-1:35 pm

1 stop14h 00m

$737

BarcelonaSeattle

BCN - SEA

BCNSEA

Barcelona-El Prat

Mon 2/16

7:10 am-5:00 pm

2 stops18h 50m

Seattle/Tacoma Intl

Mon 2/23

2:35 pm-10:50 pm

2 stops23h 15m

$738

BarcelonaSeattle

BCN - SEA

BCNSEA

Barcelona-El Prat

Tue 2/3

11:10 am-1:20 pm

3 stops35h 10m

Seattle/Tacoma Intl

Wed 2/11

3:40 pm-12:05 am

2 stops23h 25m

$755

BarcelonaSeattle

BCN - SEA

BCNSEA

Barcelona-El Prat

Fri 1/30

11:50 am-5:00 pm

1 stop14h 10m

Seattle/Tacoma Intl

Sun 3/8

3:00 pm-1:15 pm

1 stop14h 15m

$765

BarcelonaSeattle

BCN - SEA

BCNSEA

Barcelona-El Prat

Mon 2/2

10:40 am-11:51 pm

1 stop22h 11m

Seattle/Tacoma Intl

Tue 3/10

7:50 pm-6:25 pm

1 stop14h 35m

$769

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 cheapest month to fly to Seattle?

In general, March 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 $708. If you don’t want to visit Seattle in March, then you should wait until May to fly from Barcelona-El Prat Airport, when ticket prices are also cheap, with an average price of $729.

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 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 $849 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 $776 on momondo.

What cabin class options are available on Barcelona-El Prat to Seattle/Tacoma Intl flights?

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

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

As of January 2026, prices for Barcelona-El Prat Airport to Seattle flights are approximately 18% 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

Fastest flight time

11h 19m

Direct flights

Mon, Thu and Sat

Airports in Seattle

1 airport
The fastest flight from Barcelona-El Prat Airport to Seattle takes 11h 19m
Direct flights go from Barcelona-El Prat Airport to Seattle on Monday, Thursday and Saturday. The only airline offering direct flights is Delta.
There is 1 airport in Seattle. From Barcelona-El Prat Airport there are direct flights to Seattle/Tacoma Intl (SEA).
Search flight deals

  • 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 19m.

  • 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
KLMPriceFrom $677Free CancellationRating
7.7
1,435 reviews
Search KLM flights
DeltaPriceFrom $706Free CancellationRating
7.9
8,023 reviews
Search Delta flights
LufthansaPriceFrom $712Free CancellationRating
6.8
7,676 reviews
Search Lufthansa flights
British AirwaysPriceFrom $768Free CancellationRating
6.7
7,641 reviews
Search British Airways 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
Olympia
Lynnwood
Kent
Marysville
Puyallup
Redmond
Tukwila
Federal Way
Cle Elum
Lakewood
Centralia
Fife
Westport
Kirkland
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
Mon 2/2
Mon 2/9
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States