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Barcelona-El Prat

$250+ Cheap flights from Washington to Barcelona-El Prat (BCN)

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 4/7. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BCN
Dec 2 — Dec 91
Tue 12/2
Tue 12/9
1 adult, Economy
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Cheap flight deals from Washington to Barcelona-El Prat

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

Round-trip from

$424
(Delta)

One-way from

$250
(CrystalTravel)

Popular in

June

Cheapest in

November

Average price

$669

Good round-trip deal

$1,625 or less
From Washington to Barcelona-El Prat
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One-way flight from Washington to Barcelona-El Prat
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Highest demand for flights based on searches. 24% potential increase in price ($280 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($38 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Price to beat on a round-trip flight from Washington to Barcelona-El Prat.
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Find flight deals from Washington to Barcelona-El Prat

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

This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2310:10 pmPDX - BCN
1 stop25h 30mDelta
Tue 12/910:15 amBCN - PDX
2 stops33h 40mDelta
Deal found 11/2$423
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/96:10 amPDX - BCN
1 stop17h 30mKLM
Wed 11/1910:15 amBCN - PDX
1 stop19h 28mKLM
Deal found 11/1$434
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/610:10 pmPDX - BCN
2 stops24h 50mDelta
Tue 12/1610:15 amBCN - PDX
2 stops33h 29mDelta
Deal found 11/1$438
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/293:40 pmSEA - BCN
2 stops32h 55mAir Canada
Sun 12/145:50 amBCN - SEA
2 stops25h 26mAir Canada
Deal found 11/1$448
This Mytrip deal was found by Cheapflights users on 10/31. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2810:05 amSEA - BCN
2 stops22h 30mMultiple Airlines
Fri 12/55:50 amBCN - SEA
2 stops22h 26mMultiple Airlines
Deal found 10/31$451
This Air France 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/96:10 amPDX - BCN
1 stop17h 30mMultiple Airlines
Tue 11/185:25 pmBCN - PDX
1 stop27h 00mMultiple Airlines
Deal found 11/2$452
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/311:35 amPDX - BCN
2 stops20h 30mDelta
Wed 12/1010:15 amBCN - PDX
1 stop19h 25mDelta
Deal found 11/1$453
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/35:50 amSEA - BCN
2 stops18h 45mMultiple Airlines
Thu 12/116:50 amBCN - SEA
1 stop14h 20mMultiple Airlines
Deal found 11/2$454
This CrystalTravel deal was found by Cheapflights users on 10/31. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/283:10 pmSEA - BCN
1 stop17h 25mLufthansa
Fri 12/55:50 amBCN - SEA
1 stop15h 20mLufthansa
Deal found 10/31$456
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/99:50 amPDX - BCN
2 stops38h 45mAir Canada
Tue 11/181:35 pmBCN - PDX
2 stops38h 05mAir Canada
Deal found 11/2$456
This Mytrip deal was found by Cheapflights users on 10/31. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/510:05 amSEA - BCN
2 stops22h 30mMultiple Airlines
Fri 12/126:50 amBCN - SEA
1 stop14h 20mMultiple Airlines
Deal found 10/31$458
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/57:05 amPDX - BCN
1 stop15h 55mKLM
Tue 12/1610:15 amBCN - PDX
1 stop19h 25mKLM
Deal found 11/1$459

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington to Barcelona-El Prat 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 Washington to Barcelona-El Prat Airport that are best for you.

Fly from

Washington

Fly to

Barcelona-El Prat

Route

Depart

Return

Price

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Wed 1/14

5:50 am-9:35 am

2 stops18h 45m

Barcelona-El Prat

Sun 1/25

7:40 am-1:20 pm

1 stop14h 40m

$452

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Wed 12/3

11:50 pm-9:00 am

1 stop24h 10m

Barcelona-El Prat

Thu 12/11

6:50 am-12:10 pm

1 stop14h 20m

$471

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Wed 1/14

7:10 am-8:00 am

1 stop15h 50m

Barcelona-El Prat

Sun 1/25

6:00 am-11:50 am

1 stop14h 50m

$476

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Fri 12/5

1:35 pm-11:35 am

1 stop13h 00m

Barcelona-El Prat

Sun 12/14

12:30 pm-9:50 pm

1 stop18h 20m

$476

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Sun 1/11

7:00 am-9:35 am

2 stops17h 35m

Barcelona-El Prat

Sat 1/24

11:55 am-1:20 pm

1 stop34h 25m

$479

PortlandBarcelona

PDX - BCN

PDXBCN

Portland

Wed 12/3

11:35 am-3:00 pm

2 stops18h 25m

Barcelona-El Prat

Wed 12/10

6:00 am-10:10 pm

2 stops25h 10m

$480

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Thu 1/15

1:40 pm-8:50 am

1 stop34h 10m

Barcelona-El Prat

Fri 1/23

1:00 pm-11:50 am

1 stop31h 50m

$481

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Sun 11/30

2:05 pm-5:05 pm

1 stop18h 00m

Barcelona-El Prat

Sun 12/14

10:15 am-10:23 pm

1 stop21h 08m

$483

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Sun 11/30

10:08 pm-7:05 am

1 stop23h 57m

Barcelona-El Prat

Sun 12/14

12:30 pm-9:50 pm

1 stop18h 20m

$484

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Thu 1/15

9:55 pm-2:00 pm

2 stops31h 05m

Barcelona-El Prat

Thu 1/22

6:00 am-11:50 am

1 stop14h 50m

$484

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/1

Showing 1-10 of 45 results
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Best time to book a flight from Washington to Barcelona-El Prat

Have a flexible travel schedule? Discover the best time to fly to Barcelona-El Prat from Washington 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 Washington to Barcelona-El Prat Airport

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

Currently, October is the cheapest month in which you can book a flight from State of Washington to Barcelona-El Prat Airport (average of $391). Flying from State of Washington to Barcelona-El Prat Airport in June is currently the most expensive (average of $882). 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 WA to BCN?

Find hourly flight availability from Washington to Barcelona-El Prat. 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 afternoon, when flights are generally more expensive, you can save up to 19% on flights from State of Washington to Barcelona-El Prat Airport by exploring options for tickets in the evening.

What is the cheapest day to fly from State of Washington to Barcelona-El Prat Airport?

Use this chart to determine the cheapest time to fly round-trip from Washington to Barcelona-El Prat. Price data was last updated on November 10, 2024.

Travelers seeking maximum savings on their State of Washington to Barcelona-El Prat Airport flight should consider departing on Thursday evenings when fares are most often at their lowest. Friday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Related info for your journey

Find useful and relevant information for your journey from Washington to Barcelona-El Prat. 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 State of Washington to Barcelona-El Prat Airport?

    Departing from State of Washington to Barcelona-El Prat Airport will take you 13h. Airlines will cover a distance of 5421 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from State of Washington to Barcelona-El Prat Airport one-way?

    One-way options have recently been found by users for as low as $250 on Icelandair. Other airlines that offer cheap prices include British Airways from $268 and Scandinavian Airlines from $302 one-way.

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

    Most travelers choose Seattle/Tacoma Intl - Barcelona-El Prat, Portland - Barcelona-El Prat or Spokane - Barcelona-El Prat when deciding on the best route from State of Washington to Barcelona-El Prat Airport.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Washington to Barcelona-El Prat 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 State of Washington to Barcelona-El Prat Airport?

    Currently, October is the cheapest month in which you can book a flight from State of Washington to Barcelona-El Prat Airport (average of $391). Flying from State of Washington to Barcelona-El Prat Airport in June is currently the most expensive (average of $882). 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.

See more FAQs

Traveling to a place near Barcelona-El Prat Airport?

Book flights to Barcelona-El Prat Airport if you plan to visit one of these locations
Calella
Roses
L'Hospitalet de Llobregat
Cadaques
El Prat de Llobregat
Badalona
Pineda de Mar

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Alternative routes for Washington to Barcelona-El Prat

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Washington to Barcelona-El Prat

Discover the top 10 airlines that operate flights from Washington to Barcelona-El Prat. 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
IcelandairCheapest$389Average$617FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$465Average$560FlexibilityNo cancel feeOn-time77%
Aer LingusCheapest$476Average$742FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$478Average$711FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$493Average$1,010FlexibilityNo cancel feeOn-time69%
IberiaCheapest$507Average$810FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$508Average$887FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$550Average$773FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$562Average$835FlexibilityNo cancel feeOn-time76%
KLMCheapest$574Average$883FlexibilityNo cancel feeOn-time75%

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