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Cheap flights from Barcelona-El Prat Airport to Washington from $322

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 Washington departing on 9/9. 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 Barcelona-El Prat Airport to Washington

Cheap round-trip flights

Logo
11:00 am - 2:00 pmBCN-SEA
36h 00m2 stops
Logo
4:20 pm - 1:30 amSEA-BCN
24h 10m2 stops
$567
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jue., oct. 2 - mié., oct. 15
Logo
11:00 am - 1:50 pmBCN-SEA
35h 50m2 stops
Logo
4:20 pm - 12:50 amSEA-BCN
23h 30m2 stops
$576
Find Deal
vie., sep. 5 - dom., sep. 21
Scandinavian Airlines Logo
7:00 pm - 2:00 pmBCN-SEA
28h 00m1 stop
Scandinavian Airlines Logo
4:20 pm - 6:10 pmSEA-BCN
16h 50m1 stop
$621Scandinavian Airlines
Find Deal
jue., sep. 25 - mié., oct. 8
Scandinavian Airlines Logo
7:00 pm - 2:00 pmBCN-SEA
28h 00m1 stop
Scandinavian Airlines Logo
4:20 pm - 6:10 pmSEA-BCN
16h 50m1 stop
$622Scandinavian Airlines
Find Deal
jue., sep. 25 - mié., oct. 8
British Airways Logo
10:40 am - 11:11 pmBCN-SEA
21h 31m1 stop
British Airways Logo
6:50 pm - 10:30 pmSEA-BCN
18h 40m1 stop
$758British Airways
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vie., ene. 30 - sáb., feb. 7
Delta Logo
6:00 am - 11:50 amBCN-SEA
14h 50m1 stop
Delta Logo
5:45 am - 11:10 amSEA-BCN
20h 25m2 stops
$759Delta
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vie., ene. 30 - sáb., feb. 7
British Airways Logo
6:30 pm - 11:35 amBCN-SEA
26h 05m1 stop
British Airways Logo
6:50 pm - 10:35 pmSEA-BCN
18h 45m1 stop
$775British Airways
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mar., sep. 2 - jue., nov. 27
Delta Logo
6:20 am - 10:35 pmBCN-PDX
25h 15m2 stops
Delta Logo
7:15 am - 11:15 amPDX-BCN
19h 00m2 stops
$822Delta
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jue., ago. 28 - mié., sep. 10
KLM Logo
6:20 am - 2:38 pmBCN-PDX
17h 18m2 stops
KLM Logo
1:51 pm - 9:20 amPDX-BCN
34h 29m1 stop
$943KLM
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jue., ago. 28 - mié., sep. 10
KLM Logo
7:55 pm - 2:44 pmBCN-GEG
27h 49m2 stops
KLM Logo
12:40 pm - 8:40 amGEG-BCN
35h 00m1 stop
$1,009KLM
Find Deal
vie., dic. 5 - lun., dic. 8

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

Our best Iberia deals on Barcelona-El Prat Airport to State of Washington flight tickets
Iberia
Aug 28
BCN12:20 pmBarcelona-El Prat
19h 47m
1 stop
PDX11:07 pmPortland
Sep 10
PDX9:00 amPortland
16h 10m
1 stop
BCN10:10 amBarcelona-El Prat
$819
Find similar
Iberia
Aug 14
BCN10:45 amBarcelona-El Prat
18h 20m
1 stop
SEA8:05 pmSeattle/Tacoma Intl
Aug 18
SEA5:25 amSeattle/Tacoma Intl
19h 45m
1 stop
BCN10:10 amBarcelona-El Prat
$937
Find similar
Iberia
Aug 28
BCN12:20 pmBarcelona-El Prat
19h 47m
1 stop
PDX11:07 pmPortland
Sep 10
PDX2:05 pmPortland
19h 05m
2 stops
BCN6:10 pmBarcelona-El Prat
$1,171
Find similar

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

Our best United Airlines deals on Barcelona-El Prat Airport to State of Washington flight tickets
United Airlines
Aug 28
BCN1:50 pmBarcelona-El Prat
41h 35m
3 stops
PDX10:25 pmPortland
Sep 10
PDX7:35 pmPortland
32h 40m
2 stops
BCN1:15 pmBarcelona-El Prat
$778
Find similar
United Airlines
Sep 11
BCN6:50 amBarcelona-El Prat
14h 05m
1 stop
SEA11:55 amSeattle/Tacoma Intl
Sep 20
SEA7:34 pmSeattle/Tacoma Intl
33h 26m
1 stop
BCN2:00 pmBarcelona-El Prat
$783
Find similar
United Airlines
Sep 11
BCN6:50 amBarcelona-El Prat
14h 05m
1 stop
SEA11:55 amSeattle/Tacoma Intl
Sep 20
SEA7:34 pmSeattle/Tacoma Intl
33h 26m
1 stop
BCN2:00 pmBarcelona-El Prat
$785
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momondo Fare Finder

 
Customize your flight search to find flights from Barcelona-El Prat Airport to State of Washington 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 agosto 7, 2025.
Use the filters below to find and compare flights from Barcelona-El Prat Airport to Washington that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BarcelonaSeattle

BCN - SEA

BCNSEA

Barcelona-El Prat

jue. 10/2

11:00 am-2:00 pm

2 stops36h 00m

Seattle/Tacoma Intl

mié. 10/15

4:20 pm-1:30 am

2 stops24h 10m

$567

BarcelonaSeattle

BCN - SEA

BCNSEA

Barcelona-El Prat

vie. 9/5

11:00 am-1:50 pm

2 stops35h 50m

Seattle/Tacoma Intl

dom. 9/21

4:20 pm-12:50 am

2 stops23h 30m

$576

BarcelonaSeattle

BCN - SEA

BCNSEA

Barcelona-El Prat

jue. 9/25

7:00 pm-2:00 pm

1 stop28h 00m

Seattle/Tacoma Intl

mié. 10/8

4:20 pm-6:10 pm

1 stop16h 50m

$621

BarcelonaSeattle

BCN - SEA

BCNSEA

Barcelona-El Prat

jue. 9/25

7:00 pm-2:00 pm

1 stop28h 00m

Seattle/Tacoma Intl

mié. 10/8

4:20 pm-6:10 pm

1 stop16h 50m

$622

BarcelonaSeattle

BCN - SEA

BCNSEA

Barcelona-El Prat

vie. 1/30

10:40 am-11:11 pm

1 stop21h 31m

Seattle/Tacoma Intl

sáb. 2/7

6:50 pm-10:30 pm

1 stop18h 40m

$758

BarcelonaSeattle

BCN - SEA

BCNSEA

Barcelona-El Prat

vie. 1/30

6:00 am-11:50 am

1 stop14h 50m

Seattle/Tacoma Intl

sáb. 2/7

5:45 am-11:10 am

2 stops20h 25m

$759

BarcelonaSeattle

BCN - SEA

BCNSEA

Barcelona-El Prat

mar. 9/2

6:30 pm-11:35 am

1 stop26h 05m

Seattle/Tacoma Intl

jue. 11/27

6:50 pm-10:35 pm

1 stop18h 45m

$775

BarcelonaPortland

BCN - PDX

BCNPDX

Barcelona-El Prat

jue. 8/28

6:20 am-10:35 pm

2 stops25h 15m

Portland

mié. 9/10

7:15 am-11:15 am

2 stops19h 00m

$822

BarcelonaPortland

BCN - PDX

BCNPDX

Barcelona-El Prat

jue. 8/28

6:20 am-2:38 pm

2 stops17h 18m

Portland

mié. 9/10

1:51 pm-9:20 am

1 stop34h 29m

$943

BarcelonaSpokane

BCN - GEG

BCNGEG

Barcelona-El Prat

vie. 12/5

7:55 pm-2:44 pm

2 stops27h 49m

Spokane

lun. 12/8

12:40 pm-8:40 am

1 stop35h 00m

$1,009

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 Washington from

How to get the cheapest flight ticket from Barcelona-El Prat Airport to State of Washington

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 State of Washington?

The month of March is, on average, the cheapest month to fly to State of Washington from Barcelona-El Prat Airport, with most prices found around $708. If you aren’t able to travel to State of Washington during the month of March, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $746.

What is the cheapest day to depart on your flight to State of Washington?

The cheapest day to depart from Barcelona-El Prat Airport to State of Washington is on a Tuesday. Travelers who choose to depart for State of Washington on a Tuesday will often find tickets for as low as $784. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Barcelona-El Prat Airport to State of Washington for around $1,377.

What is the cheapest time of day to depart on your flight to State of Washington?

The cheapest time of day to fly to State of Washington is in the morning when flights can be purchased for as low as $877. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $1,226 on average. Flights to State of Washington from Barcelona-El Prat Airport at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Barcelona-El Prat to Washington flight route?

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

How far in advance should I book a flight to State of Washington?

You are more likely to see cheaper flights to State of Washington from Barcelona-El Prat Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to State of Washington for around $874 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to State of Washington from Barcelona-El Prat Airport for as low as $761 on momondo.

What cabin class options are available on Barcelona-El Prat to Washington flights?

There are 1 cabin classes available to choose from on Barcelona-El Prat to Washington 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 State of Washington flights?

You could potentially save up to 29% on your flight if you consider stops on a Barcelona-El Prat Airport to State of Washington flight.

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

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

Best Price Found

$322

Fastest flight time

13h 55m

Direct flights

None

Airports in State of Washington

4 airports
The best one-way flight to State of Washington from Barcelona-El Prat Airport in the past 72 hours is $322. The best round-trip flight deal from Barcelona-El Prat Airport to State of Washington found on momondo in the last 72 hours is $567.
The fastest flight from Barcelona-El Prat Airport to State of Washington takes 13h 55m
There are no direct flights from Barcelona-El Prat Airport to State of Washington. Popular non-direct routes for this connection are Barcelona-El Prat Airport - Seattle/Tacoma Intl Airport and Barcelona-El Prat Airport - Portland Airport.
There are 4 airports near State of Washington: Pasco Tri Cities (PSC), Portland (PDX), Spokane (GEG), Seattle/Tacoma Intl (SEA)
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  • When did momondo last update prices for flights from Barcelona-El Prat Airport to Washington?

    Prices for flights from Barcelona-El Prat Airport to Washington were last updated today.

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

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

    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 Washington.

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

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

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

Compare and see reviews for airlines that fly from Barcelona-El Prat Airport to State of Washington with momondo
Airline
Rating
Free Cancellation
Price
KLMPriceFrom $677Free CancellationRating
7.8
1,381 reviews
Search KLM flights
DeltaPriceFrom $686Free CancellationRating
8.0
7,985 reviews
Search Delta flights
Air FrancePriceFrom $753Free CancellationRating
7.4
1,466 reviews
Search Air France flights
British AirwaysPriceFrom $771Free CancellationRating
6.6
7,251 reviews
Search British Airways flights

Why use momondo?

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

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

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

Flights from Barcelona to Washington 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 Barcelona to Washington?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Barcelona to Washington.

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

Of course. momondo tracks the price of Barcelona to Washington flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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