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Cheap flights from Seattle to Barcelona from $262

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 11/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Seattle to Barcelona

Cheap round-trip flights

Enter your travel dates to find the best prices.
Condor Logo
6:05 pm - 10:10 pm
SEA
-
BCN
19h 05m
1 stop
Condor Logo
8:00 am - 4:00 pm
BCN
-
SEA
17h 00m
1 stop
$756Condor
Tue, Sep 1 - Sat, Sep 12
Scandinavian Airlines Logo
7:20 am - 6:10 pm
SEA
-
BCN
25h 50m
2 stops
Scandinavian Airlines Logo
7:00 pm - 1:45 pm
BCN
-
SEA
27h 45m
1 stop
$759Scandinavian Airlines
Tue, Sep 1 - Fri, Sep 11
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
$760Scandinavian Airlines
Tue, Sep 15 - Sat, Sep 26
Scandinavian Airlines Logo
3:55 pm - 6:10 pm
SEA
-
BCN
17h 15m
1 stop
Scandinavian Airlines Logo
12:50 pm - 1:45 pm
BCN
-
SEA
33h 55m
2 stops
$762Scandinavian Airlines
Tue, Sep 15 - Thu, Sep 24
British Airways Logo
6:50 pm - 10:35 pm
SEA
-
BCN
18h 45m
1 stop
British Airways Logo
11:15 am - 11:05 pm
BCN
-
SEA
20h 50m
2 stops
$765British Airways
Thu, Nov 5 - Thu, Nov 12
Icelandair Logo
7:00 pm - 2:45 pm
SEA
-
BCN
34h 45m
1 stop
Icelandair Logo
3:45 pm - 8:40 pm
BCN
-
SEA
13h 55m
1 stop
$766Icelandair
Tue, Jun 2 - Mon, Jun 8
Condor Logo
5:40 pm - 4:05 pm
SEA
-
BCN
13h 25m
1 stop
Condor Logo
8:00 am - 3:40 pm
BCN
-
SEA
16h 40m
1 stop
$767Condor
Wed, Sep 2 - Sun, Sep 6
Condor Logo
5:40 pm - 4:00 pm
SEA
-
BCN
13h 20m
1 stop
Condor Logo
10:25 am - 3:40 pm
BCN
-
SEA
14h 15m
1 stop
$768Condor
Sun, Sep 6 - Sun, Sep 13
Condor Logo
5:40 pm - 4:00 pm
SEA
-
BCN
13h 20m
1 stop
Condor Logo
10:25 am - 3:40 pm
BCN
-
SEA
14h 15m
1 stop
$769Condor
Sun, Sep 6 - Tue, Sep 15
Multiple Airlines Logo
10:05 am - 4:05 pm
SEA
-
BCN
21h 00m
2 stops
Multiple Airlines Logo
8:00 am - 3:40 pm
BCN
-
SEA
16h 40m
1 stop
$770Multiple Airlines
Thu, Oct 8 - Tue, Oct 13

Scandinavian Airlines flights from Seattle to Barcelona

Our best Scandinavian Airlines deals on Seattle to Barcelona flight tickets
Scandinavian Airlines
Sep 1
SEA7:20 amSeattle/Tacoma Intl
25h 50m
2 stops
BCN6:10 pmBarcelona-El Prat
Sep 11
BCN7:00 pmBarcelona-El Prat
27h 45m
1 stop
SEA1:45 pmSeattle/Tacoma Intl
$759
Scandinavian Airlines
Sep 15
SEA3:55 pmSeattle/Tacoma Intl
17h 15m
1 stop
BCN6:10 pmBarcelona-El Prat
Sep 26
BCN7:00 pmBarcelona-El Prat
27h 45m
1 stop
SEA1:45 pmSeattle/Tacoma Intl
$760
Scandinavian Airlines
Sep 15
SEA3:55 pmSeattle/Tacoma Intl
17h 15m
1 stop
BCN6:10 pmBarcelona-El Prat
Sep 24
BCN12:50 pmBarcelona-El Prat
33h 55m
2 stops
SEA1:45 pmSeattle/Tacoma Intl
$762

Condor flights from Seattle to Barcelona

Our best Condor deals on Seattle to Barcelona flight tickets
Condor
Sep 1
SEA6:05 pmSeattle/Tacoma Intl
19h 05m
1 stop
BCN10:10 pmBarcelona-El Prat
Sep 12
BCN8:00 amBarcelona-El Prat
17h 00m
1 stop
SEA4:00 pmSeattle/Tacoma Intl
$756
Condor
Sep 2
SEA5:40 pmSeattle/Tacoma Intl
13h 25m
1 stop
BCN4:05 pmBarcelona-El Prat
Sep 6
BCN8:00 amBarcelona-El Prat
16h 40m
1 stop
SEA3:40 pmSeattle/Tacoma Intl
$767
Condor
Sep 6
SEA5:40 pmSeattle/Tacoma Intl
13h 20m
1 stop
BCN4:00 pmBarcelona-El Prat
Sep 14
BCN10:15 amBarcelona-El Prat
14h 55m
1 stop
SEA4:10 pmSeattle/Tacoma Intl
$768

momondo Fare Finder

 
Customize your flight search to find flights from Seattle to Barcelona 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 May 21, 2026.
Use the filters below to find and compare flights from Seattle to Barcelona that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Tue 9/1

6:05 pm-10:10 pm

1 stop19h 05m

Barcelona-El Prat

Sat 9/12

8:00 am-4:00 pm

1 stop17h 00m

$756

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Tue 9/1

7:20 am-6:10 pm

2 stops25h 50m

Barcelona-El Prat

Fri 9/11

7:00 pm-1:45 pm

1 stop27h 45m

$759

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Tue 9/15

3:55 pm-6:10 pm

1 stop17h 15m

Barcelona-El Prat

Sat 9/26

7:00 pm-1:45 pm

1 stop27h 45m

$760

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Tue 9/15

3:55 pm-6:10 pm

1 stop17h 15m

Barcelona-El Prat

Thu 9/24

12:50 pm-1:45 pm

2 stops33h 55m

$762

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Thu 11/5

6:50 pm-10:35 pm

1 stop18h 45m

Barcelona-El Prat

Thu 11/12

11:15 am-11:05 pm

2 stops20h 50m

$765

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Tue 6/2

7:00 pm-2:45 pm

1 stop34h 45m

Barcelona-El Prat

Mon 6/8

3:45 pm-8:40 pm

1 stop13h 55m

$766

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Wed 9/2

5:40 pm-4:05 pm

1 stop13h 25m

Barcelona-El Prat

Sun 9/6

8:00 am-3:40 pm

1 stop16h 40m

$767
Quickest round-trip

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Sun 9/6

5:40 pm-4:00 pm

1 stop13h 20m

Barcelona-El Prat

Sun 9/13

10:25 am-3:40 pm

1 stop14h 15m

$768

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Sun 9/6

5:40 pm-4:00 pm

1 stop13h 20m

Barcelona-El Prat

Tue 9/15

10:25 am-3:40 pm

1 stop14h 15m

$769

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Thu 10/8

10:05 am-4:05 pm

2 stops21h 00m

Barcelona-El Prat

Tue 10/13

8:00 am-3:40 pm

1 stop16h 40m

$770

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 Barcelona from

How to get the cheapest flight ticket from Seattle to Barcelona

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 Seattle and Barcelona?

What is the cheapest month to fly to Barcelona?

The month of January is, on average, the cheapest month to fly to Barcelona from Seattle, with most prices found around $351. If you don’t want to visit Barcelona in January, then you should wait until December to fly from Seattle, when ticket prices are also cheap, with an average price of $352.

What is the cheapest day to depart on your flight to Barcelona?

The cheapest day to depart from Seattle to Barcelona is on a Friday when prices can be found for as low as $920. On the other hand, Thursday is the most expensive day to depart from Seattle because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,280.

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

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

How far in advance should I book a flight from Seattle to Barcelona?

You are more likely to see cheaper flights to Barcelona from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Barcelona for around $763 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Barcelona from Seattle for as low as $684 on momondo.

What cabin class options are available on Seattle to Barcelona flights?

There is only 1 cabin class available to choose from on Seattle to Barcelona flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Seattle to Barcelona flight deals and tips

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

Fastest flight time

10h 35m

Direct flights

Wed, Fri and Sun

Airports in Barcelona

3 airports
The fastest flight from Seattle to Barcelona takes 10h 35m
Direct flights go from Seattle to Barcelona on Wednesday, Friday and Sunday. There are no airlines offering direct flights.
There are 3 airports in Barcelona. From Seattle there are direct flights to Barcelona-El Prat (BCN).
Search flight deals

Frequently asked questions about flying from Seattle to Barcelona

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

    A flight from Seattle/Tacoma Intl to Barcelona will travel around 5410.7 mi. A reasonable flight in good conditions will take 10h 35m.

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

    Prices for flights from Seattle/Tacoma Intl Airport to Barcelona are updated daily.

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

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

    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 Seattle/Tacoma Intl Airport to Barcelona.

  • What documentation or ID do you need to fly to Barcelona?

    The required travel and health documents for your Barcelona 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 Barcelona. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Seattle to Barcelona

Compare and see reviews for airlines that fly from Seattle to Barcelona with momondo
Airline
Rating
Free Cancellation
Price
IcelandairPriceFrom $367Free CancellationRating
7.0
657 reviews
Search Icelandair flights
LufthansaPriceFrom $473Free CancellationRating
6.8
8,018 reviews
Search Lufthansa flights
Air CanadaPriceFrom $478Free CancellationRating
7.1
11,072 reviews
Search Air Canada flights
Scandinavian AirlinesPriceFrom $478Free CancellationRating
7.4
1,783 reviews
Search Scandinavian Airlines flights
American AirlinesPriceFrom $480Free CancellationRating
7.1
11,642 reviews
Search American Airlines flights
United AirlinesPriceFrom $481Free CancellationRating
7.4
9,750 reviews
Search United Airlines flights
British AirwaysPriceFrom $483Free CancellationRating
6.7
7,991 reviews
Search British Airways flights
DeltaPriceFrom $486Free CancellationRating
7.9
8,450 reviews
Search Delta flights
Aer LingusPriceFrom $498Free CancellationRating
7.3
1,573 reviews
Search Aer Lingus flights
IberiaPriceFrom $586Free CancellationRating
7.0
3,220 reviews
Search Iberia flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Barcelona from Seattle.

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

All flight searches from Seattle to Barcelona on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search for Seattle to Barcelona 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 Seattle to Barcelona right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Seattle to Barcelona now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Barcelona and let you know when they change.

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Find better results for your trip to Spain

Fly into one of these airports located in Barcelona

Airports listed have a maximum distance of 46.7 mi from Barcelona
Barcelona-El Prat Airport
Girona Costa Brava Airport