Cheap flights from Washington to Barcelona from $260

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Barcelona departing on 10/31. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Condor Logo
5:40 pm - 4:00 pm
SEA
-
BCN
13h 20m
1 stop
Condor Logo
10:15 am - 4:00 pm
BCN
-
SEA
14h 45m
1 stop
$709Condor
Sun, Sep 27 - Thu, Oct 15
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
$712Condor
Tue, Sep 1 - Fri, Sep 11
Condor Logo
6:00 pm - 4:05 pm
SEA
-
BCN
13h 05m
1 stop
Condor Logo
10:15 am - 4:00 pm
BCN
-
SEA
14h 45m
1 stop
$718Condor
Sat, Sep 26 - Fri, Oct 2
Condor Logo
6:10 pm - 10:10 pm
SEA
-
BCN
19h 00m
1 stop
Condor Logo
10:15 am - 4:10 pm
BCN
-
SEA
14h 55m
1 stop
$719Condor
Mon, Jun 8 - Mon, Jun 15
Multiple Airlines Logo
6:05 pm - 4:05 pm
SEA
-
BCN
13h 00m
1 stop
Multiple Airlines Logo
8:00 am - 6:56 pm
BCN
-
SEA
19h 56m
2 stops
$720Multiple Airlines
Thu, Oct 15 - Sat, Oct 24
Scandinavian Airlines Logo
7:20 am - 11:50 am
SEA
-
BCN
43h 30m
2 stops
Scandinavian Airlines Logo
7:00 pm - 1:45 pm
BCN
-
SEA
27h 45m
1 stop
$726Scandinavian Airlines
Mon, Sep 28 - Sat, Oct 10
Multiple Airlines Logo
10:42 am - 10:10 pm
PDX
-
BCN
26h 28m
2 stops
Multiple Airlines Logo
8:00 am - 1:05 pm
BCN
-
PDX
14h 05m
1 stop
$761Multiple Airlines
Wed, Aug 5 - Sat, Aug 29
SWISS Logo
3:36 pm - 7:10 pm
PDX
-
BCN
18h 34m
2 stops
SWISS Logo
9:40 am - 7:06 pm
BCN
-
PDX
18h 26m
2 stops
$766SWISS
Wed, Sep 30 - Wed, Oct 7
SWISS Logo
3:43 pm - 11:35 pm
PDX
-
BCN
22h 52m
2 stops
SWISS Logo
6:00 am - 10:18 pm
BCN
-
PDX
25h 18m
2 stops
$775SWISS
Wed, Sep 23 - Tue, Oct 6
Iberia Logo
12:53 pm - 10:10 am
GEG
-
BCN
36h 17m
1 stop
Iberia Logo
10:45 am - 8:47 pm
BCN
-
GEG
19h 02m
1 stop
$775Iberia
Sat, Aug 8 - Thu, Sep 24

Scandinavian Airlines flights from State of Washington to Barcelona-El Prat Airport

Our best Scandinavian Airlines deals on State of Washington to Barcelona-El Prat Airport flight tickets
Scandinavian Airlines
Sep 28
SEA7:20 amSeattle/Tacoma Intl
43h 30m
2 stops
BCN11:50 amBarcelona-El Prat
Oct 10
BCN7:00 pmBarcelona-El Prat
27h 45m
1 stop
SEA1:45 pmSeattle/Tacoma Intl
$726
Scandinavian Airlines
Sep 11
SEA3:55 pmSeattle/Tacoma Intl
32h 50m
2 stops
BCN9:45 amBarcelona-El Prat
Oct 1
BCN12:25 pmBarcelona-El Prat
34h 20m
1 stop
SEA1:45 pmSeattle/Tacoma Intl
$727
Scandinavian Airlines
Sep 6
SEA3:55 pmSeattle/Tacoma Intl
17h 15m
1 stop
BCN6:10 pmBarcelona-El Prat
Sep 16
BCN7:00 pmBarcelona-El Prat
38h 22m
2 stops
SEA12:22 amSeattle/Tacoma Intl
$732

SWISS flights from State of Washington to Barcelona-El Prat Airport

Our best SWISS deals on State of Washington to Barcelona-El Prat Airport flight tickets
SWISS
Sep 30
PDX3:36 pmPortland
18h 34m
2 stops
BCN7:10 pmBarcelona-El Prat
Oct 7
BCN9:40 amBarcelona-El Prat
18h 26m
2 stops
PDX7:06 pmPortland
$766
SWISS
Sep 23
PDX3:43 pmPortland
22h 52m
2 stops
BCN11:35 pmBarcelona-El Prat
Oct 6
BCN6:00 amBarcelona-El Prat
25h 18m
2 stops
PDX10:18 pmPortland
$775
SWISS
Sep 1
PDX7:16 amPortland
31h 19m
2 stops
BCN11:35 pmBarcelona-El Prat
Sep 16
BCN9:40 amBarcelona-El Prat
18h 26m
2 stops
PDX7:06 pmPortland
$814

momondo Fare Finder

 
Customize your flight search to find flights from State of Washington 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 May 11, 2026.
Use the filters below to find and compare flights from Washington 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

Sun 9/27

5:40 pm-4:00 pm

1 stop13h 20m

Barcelona-El Prat

Thu 10/15

10:15 am-4:00 pm

1 stop14h 45m

$709

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Tue 9/1

6:05 pm-10:10 pm

1 stop19h 05m

Barcelona-El Prat

Fri 9/11

8:00 am-4:00 pm

1 stop17h 00m

$712
Quickest round-trip

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Sat 9/26

6:00 pm-4:05 pm

1 stop13h 05m

Barcelona-El Prat

Fri 10/2

10:15 am-4:00 pm

1 stop14h 45m

$718

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Mon 6/8

6:10 pm-10:10 pm

1 stop19h 00m

Barcelona-El Prat

Mon 6/15

10:15 am-4:10 pm

1 stop14h 55m

$719

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Thu 10/15

6:05 pm-4:05 pm

1 stop13h 00m

Barcelona-El Prat

Sat 10/24

8:00 am-6:56 pm

2 stops19h 56m

$720

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Mon 9/28

7:20 am-11:50 am

2 stops43h 30m

Barcelona-El Prat

Sat 10/10

7:00 pm-1:45 pm

1 stop27h 45m

$726

PortlandBarcelona

PDX - BCN

PDXBCN

Portland

Wed 8/5

10:42 am-10:10 pm

2 stops26h 28m

Barcelona-El Prat

Sat 8/29

8:00 am-1:05 pm

1 stop14h 05m

$761

PortlandBarcelona

PDX - BCN

PDXBCN

Portland

Wed 9/30

3:36 pm-7:10 pm

2 stops18h 34m

Barcelona-El Prat

Wed 10/7

9:40 am-7:06 pm

2 stops18h 26m

$766

PortlandBarcelona

PDX - BCN

PDXBCN

Portland

Wed 9/23

3:43 pm-11:35 pm

2 stops22h 52m

Barcelona-El Prat

Tue 10/6

6:00 am-10:18 pm

2 stops25h 18m

$775

SpokaneBarcelona

GEG - BCN

GEGBCN

Spokane

Sat 8/8

12:53 pm-10:10 am

1 stop36h 17m

Barcelona-El Prat

Thu 9/24

10:45 am-8:47 pm

1 stop19h 02m

$775

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from State of Washington 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 State of Washington is in January. Flight prices, which tend to average around $351, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of January, then book flights to Barcelona-El Prat Airport from State of Washington during December instead. Flights to Barcelona-El Prat Airport in December, while not as cheap as those in January, still average around $352.

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 Friday when prices can be found for as low as $879. 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 Thursday because tickets tend to average around $1,385. 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 Washington to Barcelona-El Prat flight route?

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

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

You are more likely to see cheaper flights to Barcelona-El Prat Airport from State of Washington when booking weeks ahead of your departure date. In general, you can expect to find flights to Barcelona-El Prat Airport for around $759 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 State of Washington for as low as $660 on momondo.

Can stopping save me money on State of Washington to Barcelona-El Prat Airport flights?

You could potentially save up to 20% on your flight if you consider stops on a State of Washington to Barcelona-El Prat Airport flight.

Cheap State of Washington to Barcelona-El Prat Airport flight deals and tips

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

Best Price Found

$708

Fastest flight time

10h 35m

Direct flights

Wed, Fri and Sun
The best one-way flight to Barcelona-El Prat Airport from State of Washington in the past 72 hours is $708. The best round-trip flight deal from State of Washington to Barcelona-El Prat Airport found on momondo in the last 72 hours is $1,023.
The fastest flight from State of Washington to Barcelona-El Prat Airport takes 10h 35m
Direct flights go from State of Washington to Barcelona-El Prat Airport on Wednesday, Friday and Sunday. The only airline offering direct flights is Delta.

Frequently asked questions about flying from Washington to Barcelona-El Prat Airport

  • When did momondo last update prices for flights from Washington to Barcelona-El Prat Airport?

    Prices for flights from Washington to Barcelona-El Prat Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Washington to Barcelona-El Prat Airport?

  • How old do you have to be to fly from Washington 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 Washington to Barcelona-El Prat Airport.

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

    The necessary travel and health documents for your Barcelona-El Prat Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

Best airlines flying from State of Washington to Barcelona-El Prat Airport

Compare and see reviews for airlines that fly from State of Washington to Barcelona-El Prat Airport with momondo
Airline
Rating
Free Cancellation
Price
IcelandairPriceFrom $367Free CancellationRating
7.0
653 reviews
Search Icelandair flights
Aer LingusPriceFrom $436Free CancellationRating
7.3
1,551 reviews
Search Aer Lingus flights
Air CanadaPriceFrom $478Free CancellationRating
7.1
11,017 reviews
Search Air Canada flights
Scandinavian AirlinesPriceFrom $478Free CancellationRating
7.4
1,774 reviews
Search Scandinavian Airlines flights
American AirlinesPriceFrom $480Free CancellationRating
7.1
11,664 reviews
Search American Airlines flights
LufthansaPriceFrom $481Free CancellationRating
6.8
7,992 reviews
Search Lufthansa flights
United AirlinesPriceFrom $481Free CancellationRating
7.4
9,700 reviews
Search United Airlines flights
British AirwaysPriceFrom $483Free CancellationRating
6.7
7,972 reviews
Search British Airways flights
DeltaPriceFrom $486Free CancellationRating
7.9
8,451 reviews
Search Delta flights
IberiaPriceFrom $586Free CancellationRating
7.0
3,215 reviews
Search Iberia 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
Cambrils
Badalona
Cadaques
Pineda de Mar
Santa Susanna
Empuriabrava
Pals
Roses
Palafrugell
Calella de Palafrugell
Malgrat de Mar

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Washington to Barcelona. Millions of users trust and use momondo every year so you are in good hands.

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

momondo does allow users to show only those flights to Barcelona from Washington which offer a flexible booking policy as well as other useful filters and features.

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

Once all potential Washington to Barcelona flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are not ready to book a flight from Washington 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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1 adult
Wed 6/10
Wed 6/17

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