Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Seattle to Barcelona from $216

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Barcelona departing on 5/7. 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 Seattle to Barcelona

Cheap round-trip flights

Enter your travel dates to find the best prices.
Scandinavian Airlines Logo
3:55 pm - 9:45 am
SEA
-
BCN
32h 50m
1 stop
Scandinavian Airlines Logo
10:25 am - 1:45 pm
BCN
-
SEA
36h 20m
1 stop
$487Scandinavian Airlines
sab, set 5 - ven, set 18
Scandinavian Airlines Logo
3:55 pm - 6:10 pm
SEA
-
BCN
17h 15m
1 stop
Scandinavian Airlines Logo
10:25 am - 1:45 pm
BCN
-
SEA
36h 20m
1 stop
$505Scandinavian Airlines
mar, set 8 - ven, set 18
Scandinavian Airlines Logo
3:55 pm - 6:10 pm
SEA
-
BCN
17h 15m
1 stop
Scandinavian Airlines Logo
10:25 am - 1:45 pm
BCN
-
SEA
36h 20m
1 stop
$509Scandinavian Airlines
mar, set 8 - ven, set 18
Scandinavian Airlines Logo
3:55 pm - 6:10 pm
SEA
-
BCN
17h 15m
1 stop
Scandinavian Airlines Logo
10:25 am - 1:45 pm
BCN
-
SEA
36h 20m
1 stop
$511Scandinavian Airlines
mar, set 8 - ven, set 18
Scandinavian Airlines Logo
3:55 pm - 6:10 pm
SEA
-
BCN
17h 15m
1 stop
Scandinavian Airlines Logo
10:35 am - 1:45 pm
BCN
-
SEA
36h 10m
1 stop
$517Scandinavian Airlines
mar, set 8 - lun, ott 5
Scandinavian Airlines Logo
3:55 pm - 6:10 pm
SEA
-
BCN
17h 15m
1 stop
Scandinavian Airlines Logo
7:00 pm - 1:45 pm
BCN
-
SEA
27h 45m
1 stop
$524Scandinavian Airlines
dom, ago 23 - gio, set 3
Scandinavian Airlines Logo
3:55 pm - 6:10 pm
SEA
-
BCN
17h 15m
1 stop
Scandinavian Airlines Logo
7:00 pm - 1:45 pm
BCN
-
SEA
27h 45m
1 stop
$529Scandinavian Airlines
dom, ago 23 - ven, set 4
Scandinavian Airlines Logo
3:55 pm - 9:45 am
SEA
-
BCN
32h 50m
1 stop
Scandinavian Airlines Logo
10:25 am - 1:45 pm
BCN
-
SEA
36h 20m
1 stop
$539Scandinavian Airlines
sab, set 5 - ven, set 18
Scandinavian Airlines Logo
3:55 pm - 9:45 am
SEA
-
BCN
32h 50m
1 stop
Scandinavian Airlines Logo
7:00 pm - 1:45 pm
BCN
-
SEA
27h 45m
1 stop
$541Scandinavian Airlines
sab, set 5 - sab, set 19
Multiple Airlines Logo
7:00 pm - 12:50 am
SEA
-
BCN
20h 50m
2 stops
Multiple Airlines Logo
3:00 pm - 9:40 am
BCN
-
SEA
27h 40m
1 stop
$544Multiple Airlines
gio, mag 7 - mer, mag 20

Turkish Airlines flights from Seattle to Barcelona-El Prat Airport

Our best Turkish Airlines deals on Seattle to Barcelona-El Prat Airport flight tickets
Turkish Airlines
May 7
SEA7:10 pmSeattle/Tacoma Intl
19h 05m
1 stop
BCN11:15 pmBarcelona-El Prat
May 20
BCN7:40 amBarcelona-El Prat
18h 35m
1 stop
SEA5:15 pmSeattle/Tacoma Intl
$628
Turkish Airlines
Mar 29
SEA7:10 pmSeattle/Tacoma Intl
19h 05m
1 stop
BCN11:15 pmBarcelona-El Prat
Apr 10
BCN7:40 amBarcelona-El Prat
18h 35m
1 stop
SEA5:15 pmSeattle/Tacoma Intl
$629
Turkish Airlines
Apr 15
SEA7:10 pmSeattle/Tacoma Intl
19h 05m
1 stop
BCN11:15 pmBarcelona-El Prat
Apr 23
BCN7:40 amBarcelona-El Prat
18h 35m
1 stop
SEA5:15 pmSeattle/Tacoma Intl
$634

Scandinavian Airlines flights from Seattle to Barcelona-El Prat Airport

Our best Scandinavian Airlines deals on Seattle to Barcelona-El Prat Airport flight tickets
Scandinavian Airlines
May 26
SEA3:55 pmSeattle/Tacoma Intl
17h 15m
1 stop
BCN6:10 pmBarcelona-El Prat
Jun 1
BCN7:00 pmBarcelona-El Prat
27h 45m
1 stop
SEA1:45 pmSeattle/Tacoma Intl
$613
Scandinavian Airlines
May 5
SEA7:15 amSeattle/Tacoma Intl
25h 55m
2 stops
BCN6:10 pmBarcelona-El Prat
May 15
BCN7:00 pmBarcelona-El Prat
36h 55m
2 stops
SEA10:55 pmSeattle/Tacoma Intl
$630
Scandinavian Airlines
Apr 26
SEA7:00 amSeattle/Tacoma Intl
26h 10m
2 stops
BCN6:10 pmBarcelona-El Prat
May 6
BCN7:00 pmBarcelona-El Prat
37h 55m
2 stops
SEA11:55 pmSeattle/Tacoma Intl
$650

momondo Fare Finder

 
Customize your flight search to find flights from Seattle to Barcelona-El Prat Airport 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 marzo 14, 2026.
Use the filters below to find and compare flights from Seattle to Barcelona-El Prat Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

sab 9/5

3:55 pm-9:45 am

1 stop32h 50m

Barcelona-El Prat

ven 9/18

10:25 am-1:45 pm

1 stop36h 20m

$487

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

mar 9/8

3:55 pm-6:10 pm

1 stop17h 15m

Barcelona-El Prat

ven 9/18

10:25 am-1:45 pm

1 stop36h 20m

$505

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

mar 9/8

3:55 pm-6:10 pm

1 stop17h 15m

Barcelona-El Prat

ven 9/18

10:25 am-1:45 pm

1 stop36h 20m

$509

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

mar 9/8

3:55 pm-6:10 pm

1 stop17h 15m

Barcelona-El Prat

ven 9/18

10:25 am-1:45 pm

1 stop36h 20m

$511

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

mar 9/8

3:55 pm-6:10 pm

1 stop17h 15m

Barcelona-El Prat

lun 10/5

10:35 am-1:45 pm

1 stop36h 10m

$517
Quickest round-trip

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

dom 8/23

3:55 pm-6:10 pm

1 stop17h 15m

Barcelona-El Prat

gio 9/3

7:00 pm-1:45 pm

1 stop27h 45m

$524

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

dom 8/23

3:55 pm-6:10 pm

1 stop17h 15m

Barcelona-El Prat

ven 9/4

7:00 pm-1:45 pm

1 stop27h 45m

$529

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

sab 9/5

3:55 pm-9:45 am

1 stop32h 50m

Barcelona-El Prat

ven 9/18

10:25 am-1:45 pm

1 stop36h 20m

$539

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

sab 9/5

3:55 pm-9:45 am

1 stop32h 50m

Barcelona-El Prat

sab 9/19

7:00 pm-1:45 pm

1 stop27h 45m

$541

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

gio 5/7

7:00 pm-12:50 am

2 stops20h 50m

Barcelona-El Prat

mer 5/20

3:00 pm-9:40 am

1 stop27h 40m

$544

Flights are sorted by cheapest round-trip flights first.

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

See travel insights to Barcelona from

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

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 Barcelona-El Prat Airport?

The cheapest month to fly to Barcelona-El Prat Airport from Seattle is in February. Flight prices, which tend to average around $486, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of February, then book flights to Barcelona-El Prat Airport from Seattle during January instead. Flights to Barcelona-El Prat Airport in January, while not as cheap as those in February, still average around $505.

What is the cheapest day to depart on your flight to Barcelona-El Prat Airport?

The cheapest day to depart on your flight to Barcelona-El Prat Airport is on a Tuesday when prices can be found for as low as $1,258. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $1,530. These prices are subject to change though, so be sure to set up a Price Alert for flights to Barcelona-El Prat Airport.

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

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

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

You are more likely to see cheaper flights to Barcelona-El Prat Airport from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Barcelona-El Prat Airport for around $756 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Barcelona-El Prat Airport from Seattle for as low as $655 on momondo.

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

There is only 1 cabin class available to choose from on Seattle/Tacoma Intl to Barcelona-El Prat 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 Seattle to Barcelona-El Prat Airport flights?

You could potentially save up to 24% on your flight if you consider stops on a Seattle to Barcelona-El Prat Airport flight.

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

As of March 2026, prices for Seattle to Barcelona-El Prat Airport flights are approximately 16% more expensive when compared to flights at the same time last year.

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

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

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

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

Best Price Found

$674

Fastest flight time

10h 35m

Direct flights

Wed, Fri and Sun
The best one-way flight to Barcelona-El Prat Airport from Seattle in the past 72 hours is $674. The best round-trip flight deal from Seattle to Barcelona-El Prat Airport found on momondo in the last 72 hours is $880.
The fastest flight from Seattle to Barcelona-El Prat Airport takes 10h 35m
Direct flights go from Seattle to Barcelona-El Prat Airport on Wednesday, Friday and Sunday. There are no airlines offering direct flights.
Search flight deals

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

    There are 5412.9 mi between Seattle/Tacoma Intl and Barcelona-El Prat. 10h 35m is a normal flight duration for this route.

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

    Prices for flights from Seattle/Tacoma Intl Airport to Barcelona-El Prat Airport are refreshed on a daily basis.

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Barcelona-El Prat Airport.

  • What documentation or ID do you need to fly to Barcelona-El Prat Airport?

    The travel and health documents required for your trip to Barcelona-El Prat Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Barcelona-El Prat Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

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

Best airlines flying from Seattle to Barcelona-El Prat Airport

Compare and see reviews for airlines that fly from Seattle to Barcelona-El Prat Airport with momondo
Airline
Rating
Free Cancellation
Price
IcelandairPriceFrom $367Free CancellationRating
7.1
621 reviews
Search Icelandair flights
Scandinavian AirlinesPriceFrom $461Free CancellationRating
7.3
1,715 reviews
Search Scandinavian Airlines flights
Aer LingusPriceFrom $476Free CancellationRating
7.2
1,476 reviews
Search Aer Lingus flights
Air CanadaPriceFrom $477Free CancellationRating
7.1
10,801 reviews
Search Air Canada flights
United AirlinesPriceFrom $482Free CancellationRating
7.4
9,427 reviews
Search United Airlines flights
LufthansaPriceFrom $483Free CancellationRating
6.8
7,849 reviews
Search Lufthansa flights
DeltaPriceFrom $486Free CancellationRating
7.9
8,294 reviews
Search Delta flights
British AirwaysPriceFrom $490Free CancellationRating
6.7
7,792 reviews
Search British Airways flights
American AirlinesPriceFrom $502Free CancellationRating
7.1
11,471 reviews
Search American Airlines flights
CondorPriceFrom $567Free CancellationRating
6.5
401 reviews
Search Condor flights

Traveling to a place near Barcelona?

Book flights to Barcelona if you plan to visit one of these locations
Lloret de Mar
Sitges
Salou
Tossa de Mar
Castelldefels
Tarragona
El Prat de Llobregat
L'Hospitalet de Llobregat
Calella
Santa Susanna
Cadaques
Cambrils
Badalona
Pals
Pineda de Mar
Empuriabrava
Roses
Calella de Palafrugell
Malgrat de Mar
Palafrugell

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Seattle to Barcelona. momondo saves you time and could save you money on your trip.

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

Flights from Seattle to Barcelona with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Barcelona from Seattle.

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

Yes momondo offers price alerts on flights to Barcelona from Seattle. 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 Barcelona-El Prat Airport 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
lun 4/13
lun 4/20
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Barcelona

Popular cities in Spain

Popular flights according to clicks in the last 7 days on momondo
Flights to Girona Costa Brava Airportfrom $516