Barcelona-El Prat

$410+ Cheap flights from Dulles Intl (IAD) 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 4/28. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — BCN
Apr 20 — Apr 271
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Barcelona-El Prat are usually found in January or February, booked 9 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

Cheap flight deals from Dulles Intl to Barcelona-El Prat

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Barcelona-El Prat (BCN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 15, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$623
(Iberia)

One-way from

$410
(FlightHub)

Popular in

July

Cheapest in

January

Average price

$910

Good round-trip deal

$1,142 or less

Good one-way deal

$629 or less
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Barcelona-El Prat flight deals.
Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Barcelona-El Prat flights.
From Washington, D.C. Dulles Intl to Barcelona-El Prat
One-way flight from Washington, D.C. Dulles Intl to Barcelona-El Prat
Highest demand for flights based on searches. 17% potential increase in price ($187 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($26 potential savings vs. average RT price).
Average for round-trip flights in April 2025
Price to beat on a round-trip flight from Washington, D.C. Dulles Intl to Barcelona-El Prat.
Price to beat on a one-way flight from Washington, D.C. Dulles Intl to Barcelona-El Prat.

Find flight deals from Dulles Intl to Barcelona-El Prat

Cheapest flights from Dulles Intl to Barcelona-El Prat
Explore the most affordable flight options available from Dulles Intl to Barcelona-El Prat. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 15, 2025.

This Iberia deal was found by Cheapflights users on 4/15. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/204:35 pmIAD - BCN
1 stop10h 25mIberia
Fri 6/278:00 amBCN - IAD
1 stop13h 00mIberia
Deal found 4/15$614
This CheapOair deal was found by Cheapflights users on 4/15. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/510:05 pmIAD - BCN
1 stop14h 05mScandinavian Airlines
Thu 10/1610:30 amBCN - IAD
2 stops15h 29mScandinavian Airlines
Deal found 4/15$615
This Mytrip deal was found by Cheapflights users on 4/15. 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.
Mon 5/58:30 pmIAD - BCN
2 stops22h 45mMultiple Airlines
Tue 5/138:10 pmBCN - IAD
1 stop25h 10mMultiple Airlines
Deal found 4/15$617
This Turkish Airlines deal was found by Cheapflights users on 4/14. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/61:30 pmIAD - BCN
1 stop27h 40mTurkish Airlines
Tue 5/1312:00 pmBCN - IAD
1 stop29h 45mTurkish Airlines
Deal found 4/14$643
This Gotogate deal was found by Cheapflights users on 4/15. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/510:20 pmIAD - BCN
1 stop21h 10mTAP AIR PORTUGAL
Tue 5/135:45 pmBCN - IAD
1 stop27h 35mTAP AIR PORTUGAL
Deal found 4/15$648
This oojo deal was found by Cheapflights users on 4/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/218:40 pmIAD - BCN
1 stop33h 05mRoyal Air Maroc
Sun 11/3012:45 pmBCN - IAD
1 stop11h 55mRoyal Air Maroc
Deal found 4/14$733
This oojo deal was found by Cheapflights users on 4/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/104:30 pmIAD - BCN
1 stop12h 20mITA Airways
Sat 5/246:20 amBCN - IAD
1 stop14h 20mITA Airways
Deal found 4/14$774

Cheapflights Fare Finder

Customize your flight search to find flights from Dulles Intl 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 April 15, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport that are best for you.

Fly from

Dulles Intl

Fly to

Barcelona-El Prat

Route

Depart

Return

Price

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Fri 6/20

4:35 pm-9:00 am

1 stop10h 25m

Barcelona-El Prat

Fri 6/27

8:00 am-3:00 pm

1 stop13h 00m

$614

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Mon 5/5

8:30 pm-1:15 am

2 stops22h 45m

Barcelona-El Prat

Tue 5/13

8:10 pm-3:20 pm

1 stop25h 10m

$617

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Tue 5/13

10:05 pm-6:10 pm

1 stop14h 05m

Barcelona-El Prat

Tue 5/20

7:00 pm-7:59 pm

1 stop30h 59m

$640

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Tue 5/6

1:30 pm-11:10 pm

1 stop27h 40m

Barcelona-El Prat

Tue 5/13

12:00 pm-11:45 am

1 stop29h 45m

$643

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Mon 5/5

10:20 pm-7:20 pm

1 stop15h 00m

Barcelona-El Prat

Wed 5/21

6:00 am-8:50 pm

1 stop20h 50m

$646

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Sat 5/10

4:30 pm-10:50 am

1 stop12h 20m

Barcelona-El Prat

Sat 5/24

6:20 am-2:40 pm

1 stop14h 20m

$774

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Mon 4/28

10:05 pm-6:10 pm

1 stop14h 05m

$410

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Mon 4/28

8:30 pm-12:30 pm

3 stops34h 00m

$413

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Mon 5/12

10:20 pm-9:50 pm

1 stop17h 30m

$425

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Wed 4/23

9:05 pm-7:10 pm

1 stop16h 05m

$426

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/14

Showing 1-10 of 20 results
1
2

Compare providers for flights from Dulles Intl to Barcelona-El Prat

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dulles Intl to Barcelona-El Prat in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
FareScanPrice Accuracy-Trust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*2 stars
Justfly.comPrice Accuracy3 starsTrust Score*2 stars
JetabroadPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Barcelona-El Prat Airport flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Washington, D.C. Dulles Intl Airport-Barcelona-El Prat Airport flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Barcelona-El Prat Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Barcelona-El Prat Airport flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Dulles Intl Airport-Barcelona-El Prat Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Dulles Intl to Barcelona-El Prat

Have a flexible travel schedule? Discover the best time to fly to Barcelona-El Prat from Dulles Intl 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, D.C. Dulles Intl Airport to Barcelona-El Prat Airport

How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport?

Use this chart to determine the optimal time to book a round-trip flight from Dulles Intl to Barcelona-El Prat. Price data was last updated on April 11, 2025.

The price you pay for your flight from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport may vary depending on when you book. For the best chance of a lower fare, look to book 9 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport?

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport (average of $523). Flying from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport in June is currently the most expensive (average of $1,079). 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 IAD to BCN?

Find hourly flight availability from Dulles Intl 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 April 15, 2025.

It’s typically best to fly out from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport at noon. Doing so could potentially save you 35% on the flight price compared to flying in the afternoon, which is usually more expensive.

What is the cheapest day to fly from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport?

Use this chart to determine the cheapest time to fly round-trip from Dulles Intl to Barcelona-El Prat. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport flight should consider departing on Tuesday 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.

Weekly flight availability from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport

Explore weekly flight availability from Dulles Intl to Barcelona-El Prat. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated April 15, 2025.

The most flights from IAD to BCN are scheduled on a Monday (3 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 on average).

Rainfall in Barcelona-El Prat by month

Plan your trip to Barcelona-El Prat by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Barcelona-El Prat Airport ranges from 0.8 - 3.6 inches per month. October is typically the wettest month, when rainfall can reach 3.6 in. July is typically the driest time to visit Barcelona-El Prat Airport when rainfall is around 0.8 in.

Temperature in Barcelona-El Prat by month

Plan your trip to Barcelona-El Prat by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Barcelona-El Prat Airport, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

Reviews of airlines servicing Barcelona-El Prat

Get insights into the airlines that provide service to Barcelona-El Prat. 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 Barcelona-El Prat. Reviews last updated April 15, 2025.
See what other customers who have flown with Air Transat, United Airlines and Turkish Airlines from Washington, D.C. to Barcelona have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Comfort

7.4

Crew

8.5

Entertainment

7.1

Food

6.7

Boarding

7.9

Overall

7.8

Reviews

1 / 20
10.0
Excellent

Janice,Mar 2025

OPO - YYZ

I upgraded to Club Pass Business, and it made my trip a pleasant flight. The service was excellent and the food and drink options were good. The seats were comfy.

Comfort

7.4

Crew

8.5

Entertainment

7.1

Food

6.7

Boarding

7.9

Overall

7.8

Reviews

1 / 20
10.0
Excellent

Janice,Mar 2025

OPO - YYZ

I upgraded to Club Pass Business, and it made my trip a pleasant flight. The service was excellent and the food and drink options were good. The seats were comfy.

Comfort

7.4

Crew

8.5

Entertainment

7.1

Food

6.7

Boarding

7.9

Overall

7.8

Reviews

1 / 20
10.0
Excellent

Janice,Mar 2025

OPO - YYZ

I upgraded to Club Pass Business, and it made my trip a pleasant flight. The service was excellent and the food and drink options were good. The seats were comfy.

Comfort

7.4

Crew

8.5

Entertainment

7.1

Food

6.7

Boarding

7.9

Overall

7.8

Reviews

1 / 20
10.0
Excellent

Janice,Mar 2025

OPO - YYZ

I upgraded to Club Pass Business, and it made my trip a pleasant flight. The service was excellent and the food and drink options were good. The seats were comfy.

Comfort

7.4

Crew

8.5

Entertainment

7.1

Food

6.7

Boarding

7.9

Overall

7.8

Reviews

1 / 20
10.0
Excellent

Janice,Mar 2025

OPO - YYZ

I upgraded to Club Pass Business, and it made my trip a pleasant flight. The service was excellent and the food and drink options were good. The seats were comfy.

Comfort

7.4

Crew

8.5

Entertainment

7.1

Food

6.7

Boarding

7.9

Overall

7.8

Reviews

1 / 20
10.0
Excellent

Janice,Mar 2025

OPO - YYZ

I upgraded to Club Pass Business, and it made my trip a pleasant flight. The service was excellent and the food and drink options were good. The seats were comfy.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl 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.
  • What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport round-trip?

    Cheapflights users have booked flights from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport round-trip from $623. Other airlines that can offer you cheap pricing are Scandinavian Airlines, from $640, and Turkish Airlines, from $643. You may be able to fly from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport for 27% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport one-way?

    For one-way options, check prices for Scandinavian Airlines. According to our data, you can fly for as low as $410. Users have also found prices from $425 and $426 on TAP AIR PORTUGAL and Royal Air Maroc, respectively.

  • What are the most reliable airlines from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport?

    The top 3 most reliable airlines when flying from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport are Air Canada (80%), United Airlines (80%) and Lufthansa (80%).

  • What are the cheapest flights from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport?

    Looking at all options, your cheapest flight can be booked for $568. While the most popular route (Washington, D.C. Dulles Intl - Barcelona-El Prat) can be booked for $504 on average our data indicates $2,449 when flying from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport.

  • Where are the most common layover locations when flying from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport?

  • What are some popular things to do or see while on a layover in Lisbon?

    Lisbon travelers tend to visit Chiado, Praça do Marquês de Pombal, and Centro Cultural de Belém more than anywhere else. Chiado, Praça do Marquês de Pombal, and Centro Cultural de Belém are located about 4.5 mi, 3.6 mi, and 6.8 mi, respectively from Lisbon Humberto Delgado. Travelers can rent a car at Lisbon Humberto Delgado for an average daily rate of $19 to make sightseeing during their layover a little easier.

  • What are some popular points of interest to see during a layover in Madrid?

    Puerta del Sol, Plaza Mayor, and Spain Building are currently the most popular points of interest in Madrid at the moment. Travelers on a layover in Madrid can visit Puerta del Sol, Plaza Mayor, and Spain Building, by traveling 8.4 mi, 8.6 mi, and 8.5 mi, respectively after landing at Madrid Barajas. Travelers can book a car rental at Madrid Barajas for about $29 per day to make their sightseeing more efficient.

  • Where are the least popular layover locations for Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport flights?

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

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

  • How can I find direct flights from Dulles Intl 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 Dulles Intl to Barcelona-El Prat.

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

    Yes. Cheapflights offers flight deals from Dulles Intl 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 Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport?

    Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport (average of $523). Flying from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport in June is currently the most expensive (average of $1,079). 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 Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Calella
Castelldefels
Cadaques
L'Hospitalet de Llobregat
El Prat de Llobregat
Badalona
Pineda de Mar
Santa Susanna
Tossa de Mar

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Top 10 airlines flying from Dulles Intl to Barcelona-El Prat

Discover the top 10 airlines that operate flights from Dulles Intl 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 April 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest$316Average$415FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$384Average$618FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$465Average$590FlexibilityNo cancel feeOn-time77%
TAP AIR PORTUGALCheapest$523Average$802FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$550Average$889FlexibilityNo cancel feeOn-time70%
Royal Air MarocCheapest$560Average$602FlexibilityNo cancel feeOn-time75%
IberiaCheapest$565Average$834FlexibilityNo cancel feeOn-time77%
Aer LingusCheapest$572Average$836FlexibilityNo cancel feeOn-timeN/A
ITA AirwaysCheapest$603Average$772FlexibilityNo cancel feeOn-time81%
Turkish AirlinesCheapest$605Average$745FlexibilityNo cancel feeOn-time77%

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