HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Barcelona

$418+ Cheap flights from Dulles Intl (IAD) to Barcelona

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 4/22. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — BCN
Dec 24 — Dec 311
Tue 12/24
Tue 12/31
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Dulles Intl to Barcelona with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

The best prices from Washington, D.C. Dulles Intl to Barcelona are usually found in January or February, booked 11 days in advance, depart on a Sunday or Monday and return on a Friday

Cheap flight deals from Dulles Intl to Barcelona

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Barcelona (S37). 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 December 19, 2024.

Round-trip from

$594
(TAP AIR PORTUGAL)

One-way from

$418
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$861
From Washington, D.C. Dulles Intl to Barcelona
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Barcelona
Search Deals
High demand for flights, 26% potential price rise
Search Deals
Best time to find cheap flights, 4% potential price drop
Search Deals
Average for round-trip flights in December 2024
Search Deals

Find flight deals from Dulles Intl to Barcelona

Cheapest flights from Dulles Intl to Barcelona
Explore the most affordable flight options available from Dulles Intl to Barcelona. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 19, 2024.

This Gurufare deal was found by Cheapflights users on 12/18. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/255:10 pmIAD - BCN
1 stop19h 10mScandinavian Airlines
Tue 2/117:10 pmBCN - IAD
1 stop26h 30mScandinavian Airlines
Deal found 12/18$654
This Mytrip deal was found by Cheapflights users on 12/18. 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 12/303:55 pmIAD - BCN
2 stops25h 40mMultiple Airlines
Thu 1/98:35 amBCN - IAD
3 stops35h 16mMultiple Airlines
Deal found 12/18$718
This oojo deal was found by Cheapflights users on 12/18. 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.
Tue 12/315:30 pmIAD - BCN
1 stop10h 35mTAP AIR PORTUGAL
Tue 3/256:45 amBCN - IAD
1 stop13h 45mTAP AIR PORTUGAL
Deal found 12/18$796
This Booking.com deal was found by Cheapflights users on 12/18. 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 12/302:00 pmIAD - BCN
1 stop21h 00mTurkish Airlines
Fri 1/2412:25 pmBCN - IAD
1 stop29h 50mTurkish Airlines
Deal found 12/18$896
This Gurufare deal was found by Cheapflights users on 12/18. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/298:45 pmIAD - BCN
1 stop32h 05mAer Lingus
Tue 1/2811:30 amBCN - IAD
1 stop34h 10mAer Lingus
Deal found 12/18$986
This Royal Air Maroc deal was found by Cheapflights users on 12/18. 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 Royal Air Maroc is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/288:40 pmIAD - BCN
1 stop15h 30mRoyal Air Maroc
Wed 1/2912:45 pmBCN - IAD
1 stop11h 55mRoyal Air Maroc
Deal found 12/18$1,068
This Iberia deal was found by Cheapflights users on 12/18. 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.
Wed 12/259:55 pmIAD - BCN
1 stop18h 30mIberia
Tue 2/1110:15 amBCN - IAD
2 stops15h 30mIberia
Deal found 12/18$1,220
This Icelandair deal was found by Cheapflights users on 12/18. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/277:40 pmIAD - BCN
1 stop11h 30mIcelandair
Sun 1/2611:45 amBCN - IAD
1 stop12h 40mIcelandair
Deal found 12/18$1,282
This British Airways deal was found by Cheapflights users on 12/18. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/299:55 pmIAD - BCN
1 stop30h 30mBritish Airways
Tue 1/288:35 pmBCN - IAD
2 stops25h 05mBritish Airways
Deal found 12/18$1,320
This American Airlines deal was found by Cheapflights users on 12/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/251:55 pmIAD - BCN
2 stops13h 05mAmerican Airlines
Tue 2/116:40 amBCN - IAD
2 stops15h 00mAmerican Airlines
Deal found 12/18$1,372
This Delta deal was found by Cheapflights users on 12/17. 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.
Tue 12/319:30 pmIAD - BCN
1 stop10h 30mDelta
Tue 1/76:00 amBCN - IAD
1 stop15h 45mDelta
Deal found 12/17$1,500
This Cheapflightsfares deal was found by Cheapflights users on 12/18. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/313:00 amIAD - BCN
2 stops22h 40mAvianca
Wed 1/1512:50 pmBCN - IAD
1 stop30h 10mAvianca
Deal found 12/18$1,660

Find flights from Dulles Intl to Barcelona within your budget

Customize your flight search to find flights from Dulles Intl to Barcelona 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 December 19, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Tue 4/22

12:30 pm-6:10 pm

2 stops23h 40m

Barcelona-El Prat

Wed 4/30

7:00 pm-7:59 pm

1 stop30h 59m

$593

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Thu 2/6

5:30 pm-10:05 am

1 stop10h 35m

Barcelona-El Prat

Mon 2/17

9:10 pm-2:30 pm

1 stop23h 20m

$594

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Wed 1/8

8:40 pm-11:45 am

1 stop33h 05m

Barcelona-El Prat

Tue 1/28

7:10 pm-6:40 pm

1 stop29h 30m

$602

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Sat 2/1

7:40 pm-3:25 pm

2 stops13h 45m

Barcelona-El Prat

Sat 2/8

5:45 am-6:25 pm

2 stops18h 40m

$607

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Mon 2/3

2:00 pm-5:00 pm

1 stop21h 00m

Barcelona-El Prat

Thu 2/20

6:25 pm-7:30 pm

1 stop31h 05m

$617

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Wed 1/15

7:40 pm-1:10 pm

1 stop11h 30m

Barcelona-El Prat

Fri 1/24

11:45 am-6:25 pm

1 stop12h 40m

$636

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Thu 1/30

12:05 pm-3:55 pm

2 stops21h 50m

Barcelona-El Prat

Sun 3/2

6:25 am-2:40 pm

1 stop14h 15m

$647

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Tue 2/4

9:55 pm-7:05 pm

2 stops15h 10m

Barcelona-El Prat

Fri 2/21

9:15 am-4:12 pm

2 stops36h 57m

$658

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Mon 2/3

12:05 pm-8:00 am

1 stop13h 55m

Barcelona-El Prat

Fri 2/21

10:55 am-12:22 am

1 stop19h 27m

$669

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Tue 2/18

6:00 pm-10:30 pm

1 stop22h 30m

Barcelona-El Prat

Tue 2/25

1:30 pm-11:53 pm

2 stops16h 23m

$672

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/18

Showing 1-10 of 31 results
1
2
3
4

Best time to book a flight from Dulles Intl to Barcelona

Have a flexible travel schedule? Discover the best time to fly to Barcelona 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.

Travel insights for flights from Dulles Intl to Barcelona

Get recent, data-driven insights about flights from Dulles Intl to Barcelona including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a round-trip flight from Dulles Intl to Barcelona. Price data was last updated on December 13, 2024.

The price you pay for your flight from Washington, D.C. Dulles Intl Airport to Barcelona may vary depending on when you book. For the best chance of a lower fare, look to book 11 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?

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Barcelona (average of $523). Flying from Washington, D.C. Dulles Intl Airport to Barcelona in June is currently the most expensive (average of $1,098). 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. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 19, 2024.

It’s typically best to fly out from Washington, D.C. Dulles Intl Airport to Barcelona in the evening. Doing so could potentially save you 28% 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?

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

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

Rainfall in Barcelona by month

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

In terms of precipitation, rainfall in Barcelona 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 when rainfall is around 0.8 in.

Temperature in Barcelona by month

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

If weather is an important factor for your trip to Barcelona, 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

Get insights into the airlines that provide service to Barcelona. 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. Reviews last updated December 19, 2024.
Read through reviews of airlines operating flights from Washington, D.C. to Barcelona, such as TAP AIR PORTUGAL, Royal Air Maroc and Turkish Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,600 reviews

Crew

8.6

Comfort

8.0

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,600 reviews
Delta
8.0
Very good
8,600 reviews

Crew

8.6

Comfort

8.0

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM
7.8
Good
1,349 reviews
Delta
8.0
Very good
8,600 reviews

Crew

8.6

Comfort

8.0

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Virgin Atlantic
7.5
Good
668 reviews
Delta
8.0
Very good
8,600 reviews

Crew

8.6

Comfort

8.0

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air France
7.4
Good
1,505 reviews
Delta
8.0
Very good
8,600 reviews

Crew

8.6

Comfort

8.0

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines
7.4
Good
9,048 reviews
Delta
8.0
Very good
8,600 reviews

Crew

8.6

Comfort

8.0

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Barcelona. 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 round-trip?

    According to our current data, TAP AIR PORTUGAL ($594), Royal Air Maroc ($602), and Scandinavian Airlines ($603) offers the cheapest pricing from Washington, D.C. Dulles Intl Airport to Barcelona. These flights start at 32% lower than the current average price 3 months from now.

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

    The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as $424. However, be on the lookout for offers from ITA Airways and British Airways, as they are both options that can get you from Washington, D.C. Dulles Intl Airport to Barcelona for a low price.

  • What are the most popular routes from Washington, D.C. Dulles Intl Airport to Barcelona?

    When deciding which route to take from Washington, D.C. Dulles Intl Airport to Barcelona consider Washington, D.C. Dulles Intl - Barcelona-El Prat, Washington, D.C. Dulles Intl - Girona Costa Brava or Washington, D.C. Dulles Intl - Reus as they are the most popular.

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

    The top 3 most reliable airlines when flying from Washington, D.C. Dulles Intl Airport to Barcelona are Air Canada (72%), United Airlines (72%) and Lufthansa (72%).

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

    Looking for the cheapest flight from Washington, D.C. Dulles Intl Airport to Barcelona? While on average our users pay $1,839, our data indicates the cheapest price to be $791. The most popular route (Washington, D.C. Dulles Intl - Barcelona-El Prat), is priced around $468.

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

    Flights departing from Washington, D.C. Dulles Intl Airport and landing in Barcelona layover in Lisbon most frequently. Madrid sees the second most layovers for non-direct flights flying from Washington, D.C. Dulles Intl Airport to Barcelona.

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

    Chiado, Centro Cultural de Belém, and Praça do Príncipe Real are the most popular attractions in Lisbon if you're in need of something to do during your layover. Chiado, Centro Cultural de Belém and Praça do Príncipe Real are located about 4.5 mi, 6.9 mi, and 4.2 mi, respectively from Lisbon Humberto Delgado if you are interested in checking them out. Travelers can rent a car at Lisbon Humberto Delgado for an average daily rate of $17 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 the most popular attractions in Madrid if you're in need of something to do during your layover. Puerta del Sol, Plaza Mayor, and Spain Building can be accessed by traveling approximately 8.4 mi, 8.6 mi, and 8.5 mi, respectively from Madrid Barajas. Those on a layover in Madrid in need of a rental car can book one at Madrid Barajas for about $26.

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

    Washington, D.C. Dulles Intl Airport to Barcelona flights that have layovers will least frequently stop in Dublin.

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

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

  • How can I find direct flights from Dulles Intl to Barcelona?

    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.

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

    Yes. Cheapflights offers flight deals from Dulles Intl to Barcelona 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?

    Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Barcelona (average of $523). Flying from Washington, D.C. Dulles Intl Airport to Barcelona in June is currently the most expensive (average of $1,098). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 10 airlines flying from Dulles Intl to Barcelona

Discover the top 10 airlines that operate flights from Dulles Intl to Barcelona. 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 December 19, 2024.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest$277Average$375FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$367Average$527FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$400Average$592FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$498Average$926FlexibilityNo cancel feeOn-time70%
IberiaCheapest$504Average$756FlexibilityNo cancel feeOn-time77%
TAP AIR PORTUGALCheapest$510Average$805FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$554Average$919FlexibilityNo cancel feeOn-time77%
Royal Air MarocCheapest$565Average$585FlexibilityNo cancel feeOn-time75%
Aer LingusCheapest$572Average$883FlexibilityNo cancel feeOn-timeN/A
Turkish AirlinesCheapest$593Average$715FlexibilityNo cancel feeOn-time77%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.