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$365+ Cheap flights from Barcelona-El Prat (BCN) to Washington

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/31. Fares are subject to change and may not be available on all flights or dates of travel.
BCN — SEA
Dec 2 — Dec 91
Tue 12/2
Tue 12/9
1 adult, Economy
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Find flight deals from Barcelona-El Prat to Washington

Cheapest flights from Barcelona-El Prat to Washington
Explore the most affordable flight options available from Barcelona-El Prat to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 2, 2025.

This Trip.com deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/27:30 amBCN - SEA
2 stops42h 30mMultiple Airlines
Tue 12/92:35 pmSEA - BCN
2 stops20h 35mMultiple Airlines
Deal found 11/2$680
This Kiwi.com deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1010:50 amBCN - SEA
1 stop16h 30mMultiple Airlines
Sun 11/238:05 pmSEA - BCN
1 stop15h 30mMultiple Airlines
Deal found 11/2$738
This Kiwi.com deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/711:30 amBCN - SEA
1 stop15h 50mAer Lingus
Mon 12/228:05 pmSEA - BCN
1 stop15h 20mAer Lingus
Deal found 11/1$787
This Aer Lingus deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Aer Lingus is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1710:50 amBCN - SEA
1 stop16h 30mMultiple Airlines
Sun 11/308:05 pmSEA - BCN
1 stop15h 20mMultiple Airlines
Deal found 11/1$789
This Kiwi.com deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/26:20 pmBCN - SEA
1 stop28h 00mLufthansa
Tue 12/93:40 pmSEA - BCN
2 stops32h 55mLufthansa
Deal found 11/2$792
This Kiwi.com deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/205:50 amBCN - SEA
1 stop15h 20mLufthansa
Thu 4/238:00 amSEA - BCN
1 stop15h 20mLufthansa
Deal found 11/1$794
This lol.travel deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/171:35 pmBCN - SEA
2 stops38h 41mAir Canada
Wed 12/35:50 amSEA - BCN
2 stops18h 45mAir Canada
Deal found 11/2$798
This lol.travel deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/171:35 pmBCN - SEA
2 stops38h 41mAir Canada
Sun 11/308:00 pmSEA - BCN
2 stops28h 35mAir Canada
Deal found 11/1$799
This Lufthansa deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/171:45 pmBCN - SEA
1 stop31h 25mLufthansa
Wed 12/33:10 pmSEA - BCN
1 stop22h 55mLufthansa
Deal found 11/2$802
This Aer Lingus deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Aer Lingus is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2810:50 amBCN - SEA
1 stop16h 30mMultiple Airlines
Sun 12/148:05 pmSEA - BCN
1 stop15h 20mMultiple Airlines
Deal found 11/1$806
This Booking.com deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/175:50 amBCN - SEA
1 stop15h 20mMultiple Airlines
Wed 12/33:25 pmSEA - BCN
2 stops18h 35mMultiple Airlines
Deal found 11/2$808
This Air Canada deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/56:50 amBCN - PDX
2 stops35h 25mAir Canada
Mon 12/87:00 pmPDX - BCN
2 stops53h 35mAir Canada
Deal found 11/1$808

Cheap flight deals from Barcelona-El Prat to Washington

Keep the following information in mind while searching for Barcelona-El Prat to Washington flight deals. Data was last updated November 2, 2025.

Round-trip from

$635
(lastminute.com)

One-way from

$368
(Kiwi.com)

Popular in

June

Cheapest in

March

Average price

$851
From Barcelona-El Prat to Washington
Search Deals
One-way flight from Barcelona-El Prat to Washington
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($40 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Barcelona-El Prat to 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, Cheapflights users made 2,558,603 searches. Data last updated November 2, 2025.
Use the filters below to find and compare flights from Barcelona-El Prat Airport to Washington that are best for you.

Fly from

Barcelona-El Prat

Fly to

Washington

Route

Depart

Return

Price

BarcelonaSeattle

BCN - SEA

BCNSEA

Barcelona-El Prat

Sat 1/31

6:50 am-12:10 pm

1 stop14h 20m

Seattle/Tacoma Intl

Tue 2/10

7:00 am-9:00 am

2 stops17h 00m

$769

BarcelonaSeattle

BCN - SEA

BCNSEA

Barcelona-El Prat

Sat 1/31

6:50 am-7:16 pm

2 stops21h 26m

Seattle/Tacoma Intl

Tue 2/10

3:40 pm-9:35 am

2 stops32h 55m

$769

BarcelonaSeattle

BCN - SEA

BCNSEA

Barcelona-El Prat

Sat 1/31

6:00 am-11:50 am

1 stop14h 50m

Seattle/Tacoma Intl

Tue 2/10

1:40 pm-3:00 pm

1 stop16h 20m

$774

BarcelonaSeattle

BCN - SEA

BCNSEA

Barcelona-El Prat

Mon 3/9

6:45 am-9:57 pm

2 stops23h 12m

Seattle/Tacoma Intl

Fri 3/20

6:05 am-12:20 pm

1 stop22h 15m

$776

BarcelonaSeattle

BCN - SEA

BCNSEA

Barcelona-El Prat

Sun 12/7

11:30 am-6:20 pm

1 stop15h 50m

Seattle/Tacoma Intl

Mon 12/22

8:05 pm-8:25 pm

1 stop15h 20m

$787

BarcelonaSeattle

BCN - SEA

BCNSEA

Barcelona-El Prat

Mon 11/17

1:45 pm-12:10 pm

1 stop31h 25m

Seattle/Tacoma Intl

Wed 12/3

3:10 pm-11:05 pm

1 stop22h 55m

$802

BarcelonaPortland

BCN - PDX

BCNPDX

Barcelona-El Prat

Fri 2/27

6:00 am-11:25 am

1 stop14h 25m

Portland

Sat 3/14

1:00 pm-5:00 pm

2 stops20h 00m

$804

BarcelonaSeattle

BCN - SEA

BCNSEA

Barcelona-El Prat

Fri 5/1

10:55 am-3:40 pm

1 stop13h 45m

Seattle/Tacoma Intl

Sat 5/9

5:40 pm-4:00 pm

1 stop13h 20m

$805

BarcelonaSeattle

BCN - SEA

BCNSEA

Barcelona-El Prat

Thu 11/27

5:50 am-7:16 pm

2 stops22h 26m

Seattle/Tacoma Intl

Sun 11/30

5:45 am-9:35 am

2 stops18h 50m

$808

BarcelonaPortland

BCN - PDX

BCNPDX

Barcelona-El Prat

Fri 2/27

5:50 am-6:30 pm

2 stops21h 40m

Portland

Sat 3/14

7:30 pm-11:05 pm

2 stops19h 35m

$808

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/2

Showing 1-10 of 38 results
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Best time to book a flight from Barcelona-El Prat to Washington

Have a flexible travel schedule? Discover the best time to fly to Washington from Barcelona-El Prat with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Barcelona-El Prat Airport to Washington

What is the cheapest month to book a flight from Barcelona-El Prat Airport to State of Washington?

Currently, February is the cheapest month in which you can book a flight from Barcelona-El Prat Airport to State of Washington (average of $335). Flying from Barcelona-El Prat Airport to State of Washington in July is currently the most expensive (average of $838). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from BCN to WA?

Find hourly flight availability from Barcelona-El Prat to Washington. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 2, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 12% on flights from Barcelona-El Prat Airport to State of Washington by exploring options for tickets in the evening.

Reviews of airlines servicing Washington

Get insights into the airlines that provide service to Washington. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Washington. Reviews last updated November 2, 2025.
Read through reviews of airlines operating flights from Barcelona-El Prat Airport to Washington, such as Delta, KLM, and Lufthansa. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,001 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Lane,Nov 2025

MEM - ATL

The crew was very friendly, but they only came around and offered the better Delta Comfort snacks one time. I thought they would come around more frequently on a 5 hour flight. They did do two beverage services though, which was nice.
Delta
7.9
Good
8,001 reviews
Delta
7.9
Good
8,001 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Lane,Nov 2025

MEM - ATL

The crew was very friendly, but they only came around and offered the better Delta Comfort snacks one time. I thought they would come around more frequently on a 5 hour flight. They did do two beverage services though, which was nice.
KLM
7.7
Good
1,404 reviews
Delta
7.9
Good
8,001 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Lane,Nov 2025

MEM - ATL

The crew was very friendly, but they only came around and offered the better Delta Comfort snacks one time. I thought they would come around more frequently on a 5 hour flight. They did do two beverage services though, which was nice.
Lufthansa
6.8
Okay
7,544 reviews
Delta
7.9
Good
8,001 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Lane,Nov 2025

MEM - ATL

The crew was very friendly, but they only came around and offered the better Delta Comfort snacks one time. I thought they would come around more frequently on a 5 hour flight. They did do two beverage services though, which was nice.
British Airways
6.7
Okay
7,494 reviews
Delta
7.9
Good
8,001 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Lane,Nov 2025

MEM - ATL

The crew was very friendly, but they only came around and offered the better Delta Comfort snacks one time. I thought they would come around more frequently on a 5 hour flight. They did do two beverage services though, which was nice.

Related info for your journey

Find useful and relevant information for your journey from Barcelona-El Prat to Washington. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Barcelona-El Prat Airport to State of Washington?

    Departing from Barcelona-El Prat Airport to State of Washington will take you 14h 20m. There are 5421 mi between Barcelona-El Prat Airport and State of Washington. This flight may include one or multiple stops.

  • What are the most popular routes from Barcelona-El Prat Airport to State of Washington?

    The most popular flight routes from Barcelona-El Prat Airport to State of Washington are Barcelona-El Prat - Seattle/Tacoma Intl, Barcelona-El Prat - Portland and Barcelona-El Prat - Spokane.

  • Can I find deals for flights from Barcelona-El Prat to Washington that include hotel bookings?

    Yes. In addition to deals on Barcelona-El Prat to Washington flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Barcelona-El Prat to Washington?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Barcelona-El Prat to Washington.

  • Can I find deals for business class flights from Barcelona-El Prat to Washington?

    Yes. Cheapflights offers flight deals from Barcelona-El Prat to Washington by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Barcelona-El Prat Airport to State of Washington?

    Currently, February is the cheapest month in which you can book a flight from Barcelona-El Prat Airport to State of Washington (average of $335). Flying from Barcelona-El Prat Airport to State of Washington in July is currently the most expensive (average of $838). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Alternative routes for Barcelona-El Prat to Washington

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Barcelona-El Prat to Washington

Discover the top 4 airlines that operate flights from Barcelona-El Prat to Washington. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$677Average$854FlexibilityNo cancel feeOn-time75%
DeltaCheapest$686Average$846FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$712Average$803FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$768Average$973FlexibilityNo cancel feeOn-time70%

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