IAD - BCN

$211 Find Cheap Flights from Washington Dulles Airport to Barcelona - Compare and Save

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Everything you should know

Cheapest round-trip
$743
Typical prices: $749-$1,308
TAP AIR PORTUGAL
Tue 12/4Fri 12/7
IAD - BCN • 1 stop
Cheapest non-stop
$775
Typical prices: $1,025-$1,664
United Airlines
Thu 12/13Mon 12/24
IAD - BCN • Non-stop
Nonstop flights
You can fly direct with United Airlines. Average duration is 8h 10m
Direct flights
+1
Direct flights
+1
When to book
in advance
Our data shows that travelers who book at least 3 weeks in advance save around 17% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 36% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $499 (round-trip)
Shortest trip • 11h 28m (one-way)
Insights
Insights
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We hope you love your trip to Barcelona-El Prat Airport!
Flight Deals
Booking Insights
Expert advice
Flight Deals

Cheap Flights from Dulles Intl to Barcelona-El Prat (IAD-BCN)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Dulles Intl to Barcelona-El Prat

Fri, Dec 4 - Mon, Dec 7
TAP AIR PORTUGAL Logo
10:30 pm - 5:15 pmIAD  Washington, D.C. Dulles Intl-BCN Barcelona-El Prat
12h 45m1 stop Lisbon Humberto Delgado
TAP AIR PORTUGAL Logo
6:45 am - 3:15 pmBCN  Barcelona-El Prat-IAD Washington, D.C. Dulles Intl
14h 30m1 stop Lisbon Humberto Delgado
$743TAP AIR PORTUGAL
Sun, Dec 6 - Fri, Dec 11
Royal Air Maroc Logo
9:05 pm - 6:10 pmIAD  Washington, D.C. Dulles Intl-BCN Barcelona-El Prat
15h 05m1 stop Casablanca Mohamed V
Royal Air Maroc Logo
12:45 pm - 7:05 pmBCN  Barcelona-El Prat-IAD Washington, D.C. Dulles Intl
12h 20m1 stop Casablanca Mohamed V
$747Royal Air Maroc
Wed, Jan 6 - Wed, Jan 20
Multiple Airlines Logo
5:15 pm - 12:20 pmIAD  Washington, D.C. Dulles Intl-BCN Barcelona-El Prat
13h 05m1 stop Dublin
Multiple Airlines Logo
12:45 pm - 7:05 pmBCN  Barcelona-El Prat-IAD Washington, D.C. Dulles Intl
12h 20m1 stop Casablanca Mohamed V
$748Multiple Airlines
Sun, Dec 6 - Wed, Dec 9
Royal Air Maroc Logo
9:05 pm - 6:10 pmIAD  Washington, D.C. Dulles Intl-BCN Barcelona-El Prat
15h 05m1 stop Casablanca Mohamed V
Royal Air Maroc Logo
12:45 pm - 7:05 pmBCN  Barcelona-El Prat-IAD Washington, D.C. Dulles Intl
12h 20m1 stop Casablanca Mohamed V
$748Royal Air Maroc
Tue, Mar 23 - Tue, Mar 30
Turkish Airlines Logo
10:20 pm - 11:50 pmIAD  Washington, D.C. Dulles Intl-BCN Barcelona-El Prat
20h 30m1 stop Istanbul
Turkish Airlines Logo
12:05 pm - 7:50 pmBCN  Barcelona-El Prat-IAD Washington, D.C. Dulles Intl
37h 45m1 stop Istanbul
$749Turkish Airlines
Tue, Apr 13 - Wed, Apr 21
Turkish Airlines Logo
1:15 pm - 10:40 amIAD  Washington, D.C. Dulles Intl-BCN Barcelona-El Prat
15h 25m1 stop Istanbul
Turkish Airlines Logo
7:10 pm - 7:50 pmBCN  Barcelona-El Prat-IAD Washington, D.C. Dulles Intl
30h 40m1 stop Istanbul
$749Turkish Airlines
Sun, Mar 7 - Wed, Mar 10
Multiple Airlines Logo
5:15 pm - 12:00 pmIAD  Washington, D.C. Dulles Intl-BCN Barcelona-El Prat
12h 45m1 stop Dublin
Multiple Airlines Logo
12:45 pm - 7:05 pmBCN  Barcelona-El Prat-IAD Washington, D.C. Dulles Intl
12h 20m1 stop Casablanca Mohamed V
$749Multiple Airlines
Thu, Jan 21 - Tue, Feb 2
TAP AIR PORTUGAL Logo
5:25 pm - 10:05 amIAD  Washington, D.C. Dulles Intl-BCN Barcelona-El Prat
10h 40m1 stop Lisbon Humberto Delgado
TAP AIR PORTUGAL Logo
6:45 am - 2:40 pmBCN  Barcelona-El Prat-IAD Washington, D.C. Dulles Intl
13h 55m1 stop Lisbon Humberto Delgado
$750TAP AIR PORTUGAL
Thu, Apr 15 - Fri, Apr 23
Iberia Logo
10:25 pm - 6:25 pmIAD  Washington, D.C. Dulles Intl-BCN Barcelona-El Prat
14h 00m2 stops London Heathrow Madrid Barajas
Iberia Logo
7:00 am - 3:30 pmBCN  Barcelona-El Prat-IAD Washington, D.C. Dulles Intl
14h 30m1 stop Madrid Barajas
$759Iberia
Thu, Apr 15 - Fri, Apr 23
Iberia Logo
10:25 pm - 6:25 pmIAD  Washington, D.C. Dulles Intl-BCN Barcelona-El Prat
14h 00m2 stops London Heathrow Madrid Barajas
Iberia Logo
9:15 am - 3:30 pmBCN  Barcelona-El Prat-IAD Washington, D.C. Dulles Intl
12h 15m1 stop Madrid Barajas
$759Iberia
Booking Insights

Price, demand and travel trends for Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport?

Round-trip flights from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport typically range from $749 to $1,308. The lowest price found in the past 5 days was $743, on TAP AIR PORTUGAL.

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

Based on deals KAYAK users found in the last 12 months, Monday is the cheapest day of the week to fly from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport. It’s 9% cheaper than the average day, while Friday is the most expensive, with prices 10% higher.

What’s the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport?

•January is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport at $634 round-trip.
•July ($1,206) and June ($1,196) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 90% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

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

Flights from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport are cheapest 3 weeks before departure. Booking in this window typically costs about 17% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Expert advice

Expert advice for your flight from Dulles Intl to Barcelona-El Prat

 
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Stefanie Waldek

Stefanie Waldek

Expert on United Airlines and IAD

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Jessica Macdonald

Jessica Macdonald

Expert on Lufthansa

Currently based in Scotland after living in South Africa and the United States, Jessica has been writing travel and aviation content for more than 10 years. She regularly contributes to Travel + Leisure and TripSavvy, and has had work published by Condé Nast Traveller and The Independent. She has traveled to more than 50 countries across six continents.

Blane Bachelor

Blane Bachelor

Expert on BCN

Blane Bachelor is a journalist and editor specializing in travel and aviation who writes regularly for top global outlets. Born and raised in Florida, Blane has worked and lived in four countries, including the Netherlands, where she’s currently based with her family. Her favorite way to get to know a new destination is by running or riding a bike around town – or hearing a spooky ghost story about local history. She will always choose the window seat.

Key details for Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport flights

Low season

January

Cheapest flight

$217
Beat the crowds with an average 40% drop in travelers.
The most popular month to fly with an average 28% increase in travelers.
One-way flight from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport

When to book flights from Dulles Intl to Barcelona-El Prat

Are your dates flexible? Find out the best times to travel from Dulles Intl to Barcelona-El Prat based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

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

    These are the earliest and latest flight times available from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport:

    • Earliest: departs at 6:50 pm and lands at 3:00 am
    • Latest: departs at 6:50 pm and lands at 3:00 am.

    The flight takes about 8h 10m.

  • What cabin classes can I book on flights from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport?

    Three cabin classes are available on flights from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport:

    • Economy Class
    • Premium Economy Class
    • Business Class

  • How long is a flight from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport?

    A nonstop flight from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport takes 8h 10m, covering 4,046 miles.

  • Do I need a passport to fly from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport flight?

    Round-trip flights from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport range from $749 to $1,308, with an average of $992 over the past 12 months. Anything below $749 counts as a good deal.

  • How expensive are last-minute Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport flights?

    Last-minute fares on this route (booked within two weeks of departure) run 6% above the $992 route average. Book 3 weeks before departure for the lowest fares.

  • How much can I save by taking a layover when flying from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport?

    On this route, layover flights are cheaper than nonstop options on average. Layover fares average $499 round-trip via Atlanta Hartsfield-Jackson (ATL), compared to $1,294 for nonstop.

  • What is the standard checked-bag allowance on flights from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport?

    There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $75–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport?

    The Boeing 767-400 family is used most often on this route, operated mainly by Lufthansa and United Airlines. Other aircraft seen on the route include Boeing 787-8 Dreamliner variants.

  • How are flight departures from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport spread across the day?

    Evening is the busiest departure period on Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport flights, with 100% of flights leaving in that window. Morning departures account for 0%, afternoon flights for 0%, and night flights for 0%.

  • How are flight prices from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport looking right now?

    One-way fares from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport are currently higher than usual. Average one-way flight prices are about $833, which is 50% above the typical average for this route.

  • What car rental options are available at Barcelona-El Prat Airport (BCN)?

    Barcelona-El Prat Airport (BCN) hosts 5 major car rental companies, with daily rates averaging $29 for economy cars. Top options include:

    • Record go
    • NIZACARS
    • Goldcar Rental SP
    • CLICK RENT
    • DRIVALIA

  • Which airports can I use when flying from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport?

    Flights from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport usually depart from Washington, D.C. Dulles Intl (IAD) and arrive at Barcelona-El Prat (BCN).

  • Which airports do connecting flights from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport pass through?

    One-stop flights from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport most commonly connect through:

    • Lisbon Humberto Delgado (LIS) - 63% of one-stop connections
    • Istanbul (IST) - 8% of one-stop connections
    • Dublin (DUB) - 6% of one-stop connections
    • Casablanca Mohamed V (CMN) - 5% of one-stop connections

  • Can I save money by using flexible dates for flights from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport?

    Yes. Flexible dates can save you up to 18% on flights from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport. Monday is the cheapest departure day at $907 round-trip on average, while Friday is the most expensive at $1,098, a difference of $191.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What airlines fly from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport?

    Only United Airlines operates flights between Washington, D.C. Dulles Intl Airport and Barcelona-El Prat Airport.

  • How much time can I save by choosing a different layover airport from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport?

    Flying via Montreal Pierre Elliott Trudeau Intl (YUL) gives the shortest average 1-stop total travel time at 11h 28m, compared with 11h 35m via Paris Charles de Gaulle (CDG) and 11h 50m via Toronto Pearson Intl (YYZ).

  • What is the time difference between Washington, D.C. Dulles Intl Airport and Barcelona-El Prat Airport?

    Barcelona-El Prat Airport is 6 hours ahead of Washington, D.C. Dulles Intl Airport (Central European Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Barcelona-El Prat Airport?

    Some of the most popular sights in Barcelona-El Prat Airport are La Rambla, Sagrada Familia and Placa de Catalunya. These are among the most viewed places in Barcelona-El Prat Airport on KAYAK.

  • Which airlines offer extra legroom and free seat selection on Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport flights?

    Among airlines operating Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport flights:

    • United Airlines: offers extra legroom; offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • Which airlines include bags at no extra cost on Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • United Airlines: a cabin bag and a checked bag in Economy Class
    • Lufthansa: a cabin bag and a checked bag in Economy Class

    Bag allowance can vary by ticket type, cabin class, route and airline, so always check the fare details before booking.

  • What airlines operate flights from Washington Dulles Airport to Barcelona?

    Several major airlines offer flights between Washington Dulles Airport and Barcelona, including United Airlines, American Airlines, Delta Air Lines, and Iberia. These carriers provide both non-stop and connecting flights through major hubs such as Newark Liberty International Airport, Chicago O'Hare International Airport, or Houston George Bush Intercontinental Airport, giving passengers various options to choose from.

  • What are the luggage restrictions on United Airlines on flights from Washington Dulles Airport to Barcelona?

    On United Airlines flights from Washington Dulles Airport to Barcelona, the luggage restrictions include one carry-on bag and one personal item per passenger. The carry-on bag must not exceed 22 x 13 x 8 in in size and should weigh no more than 24 lbs.

  • Are there any airport lounges at Washington Dulles Airport for passengers traveling to Barcelona?

    Yes, Washington Dulles Airport offers several airport lounges that cater to passengers traveling to Barcelona. These lounges provide a comfortable and relaxing environment, offering amenities such as complimentary food and beverages, business services, and more. Access to these lounges may be available through various means, including airline loyalty programs, premium class tickets, or lounge memberships.

  • Can I use public transportation to get from Barcelona Airport to the city center?

    Yes, Barcelona Airport (El Prat) is well-connected to the city center by public transportation. The airport has a dedicated train station, which offers regular services to various city destinations. Additionally, there are bus services and taxis available outside the airport terminals, providing convenient transportation options for travelers.

Your guide to booking Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Monday departure and avoid flying on Friday. On this route, Monday flights average $907, about $191 less than Friday fares (17% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 3 weeks before you fly. On this route, that window historically saves about 17% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport trip for January. Fares historically average $634 round-trip in that month - typically $572 less than the most expensive month, which is July (based on the last 12 months).
  • If you have the time, taking a 1-stop flight through Atlanta Hartsfield-Jackson Airport (ATL) can be cheaper than flying direct. The cheapest layover option averages $499 round-trip on this route - about $794 less than direct flights (based on the last 12 months).
  • If you have a layover during your journey, familiarize yourself with the common layover destinations for specific airlines. For example, United Airlines often offers layovers in cities like Newark, Houston, or Chicago. Understanding the duration and location of your layover can help you plan your trip more effectively, allowing you to explore the city or make necessary arrangements for your comfort during the layover period.
  • Check if your airline offers online check-in. Online check-in allows you to bypass long queues at the airport and secure your seat in advance. Most airlines open online check-in 24 hours before the scheduled departure time. Take advantage of this convenience to save time and ensure a smoother airport experience.
  • If you have specific dietary preferences or restrictions when flying from Washington Dulles Airport (IAD) to Barcelona (BCN), notify your airline in advance. United Airlines offers special meals, such as vegetarian, vegan, gluten-free, or kosher options. Contact the airline's customer service or make the request during the booking process to ensure that your dietary needs are accommodated during the flight.
  • United Airlines provides assistance to passengers with disabilities flying from Washington Dulles Airport to Barcelona. They offer various services, including wheelchair assistance, priority boarding, and dedicated staff to guide and support passengers throughout their journey. United Airlines ensures that passengers with disabilities have a comfortable and smooth travel experience, prioritizing their needs and providing the necessary assistance to make their trip as seamless as possible.
  • Consider packing items such as a travel pillow, earplugs or noise-canceling headphones, an eye mask, and a blanket to enhance your comfort during the flight. These accessories can help you relax, rest, and make the journey more enjoyable.

Prefer to fly direct from Washington Dulles Airport to Barcelona-El Prat?

 
Find which airlines fly direct from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport, which days they fly and book direct flights.

Direct departures

Washington, D.C. Dulles Intl to Barcelona-El Prat

Monday

United Airlines

United Airlines

Tuesday

United Airlines

United Airlines

Wednesday

United Airlines

United Airlines

Thursday

United Airlines

United Airlines

Friday

United Airlines

United Airlines

Saturday

United Airlines

United Airlines

Sunday

United Airlines

United Airlines

See more direct flights

Direct returns

Barcelona-El Prat to Washington, D.C. Dulles Intl

Monday

United Airlines

United Airlines

Tuesday

United Airlines

United Airlines

Wednesday

United Airlines

United Airlines

Thursday

United Airlines

United Airlines

Friday

United Airlines

United Airlines

Saturday

United Airlines

United Airlines

Sunday

United Airlines

United Airlines

See more direct flights

More options for your flight from Dulles Intl to Barcelona-El Prat

Complete your trip to Barcelona-El Prat with a hotel stay or car rental