$286 Cheap Flights from Barcelona (BCN) to Washington (IAD)

View $286 flight on Thu, May 15, 2025Opens in a new window

Popular airlines from Barcelona El Prat Airport (BCN) to Washington Dulles Intl. Airport (IAD)

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 30% on select hotels after you book a flight*
  • one key icon
    Earn twice
    Earn your airline miles on top of our OneKeyCash
    Learn about One Key
Find available prices by choosing your travel dates.

Cheap Flights from Barcelona to Washington (BCN-IAD)

Prices were available within the past 7 days and start at $286 for one-way flights and $455 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

TAP Portugal
Fri, Sep 19 - Wed, Oct 8
BCN
Barcelona
IAD
Washington
$455 Roundtrip, found 1 day ago
$455
Roundtrip
found 1 day ago
Select TAP Portugal flight, departing Fri, Sep 19 from Barcelona to Washington, returning Wed, Oct 8, priced at $455 found 1 day ago
Iberia
Tue, Sep 9 - Mon, Sep 15
BCN
Barcelona
IAD
Washington
$488 Roundtrip, found 2 days ago
$488
Roundtrip
found 2 days ago
Select Iberia flight, departing Tue, Sep 9 from Barcelona to Washington, returning Mon, Sep 15, priced at $488 found 2 days ago
ITA Airways
Tue, Sep 9 - Mon, Sep 15
BCN
Barcelona
IAD
Washington
$542 Roundtrip, found 2 days ago
$542
Roundtrip
found 2 days ago
Select ITA Airways flight, departing Tue, Sep 9 from Barcelona to Washington, returning Mon, Sep 15, priced at $542 found 2 days ago
Icelandair
Wed, Oct 8 - Wed, Oct 29
BCN
Barcelona
IAD
Washington
$554 Roundtrip, found 2 days ago
$554
Roundtrip
found 2 days ago
Select Icelandair flight, departing Wed, Oct 8 from Barcelona to Washington, returning Wed, Oct 29, priced at $554 found 2 days ago
Swiss International Air Lines
Wed, Feb 18 - Sat, Feb 28
BCN
Barcelona
IAD
Washington
$561 Roundtrip, found 5 days ago
$561
Roundtrip
found 5 days ago
Select Swiss International Air Lines flight, departing Wed, Feb 18 from Barcelona to Washington, returning Sat, Feb 28, priced at $561 found 5 days ago
British Airways
Wed, Feb 11 - Mon, Feb 16
BCN
Barcelona
IAD
Washington
$562 Roundtrip, found 2 days ago
$562
Roundtrip
found 2 days ago
Select British Airways flight, departing Wed, Feb 11 from Barcelona to Washington, returning Mon, Feb 16, priced at $562 found 2 days ago
Lufthansa
Wed, Feb 11 - Mon, Feb 16
BCN
Barcelona
IAD
Washington
$567 Roundtrip, found 2 days ago
$567
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Wed, Feb 11 from Barcelona to Washington, returning Mon, Feb 16, priced at $567 found 2 days ago
Lufthansa
Mon, May 12 - Sun, May 25
BCN
Barcelona
IAD
Washington
$577 Roundtrip, found 6 hours ago
$577
Roundtrip
found 6 hours ago
Select Lufthansa flight, departing Mon, May 12 from Barcelona to Washington, returning Sun, May 25, priced at $577 found 6 hours ago
Scandinavian Airlines
Thu, Aug 28 - Thu, Sep 4
BCN
Barcelona
IAD
Washington
$579 Roundtrip, found 3 hours ago
$579
Roundtrip
found 3 hours ago
Select Scandinavian Airlines flight, departing Thu, Aug 28 from Barcelona to Washington, returning Thu, Sep 4, priced at $579 found 3 hours ago
Virgin Atlantic
Wed, Feb 11 - Mon, Feb 16
BCN
Barcelona
IAD
Washington
$586 Roundtrip, found 2 days ago
$586
Roundtrip
found 2 days ago
Select Virgin Atlantic flight, departing Wed, Feb 11 from Barcelona to Washington, returning Mon, Feb 16, priced at $586 found 2 days ago
Flights from Barcelona (BCN) to Washington (IAD)
Origin airport
Barcelona Intl.
Destination airport
Washington Dulles Intl.
Airlines serving
Aer Lingus, Air Canada, Air France, Austrian Airlines, British Airways, Brussels Airlines, Finnair, ITA Airways, Iberia, Icelandair, KLM, Lufthansa, Royal Air Maroc, Scandinavian Airlines, Swiss International Air Lines, TAP Portugal, Turkish Airlines, United, Virgin Atlantic, avianca
Roundtrip price
$455
Distance
4047 mi

Barcelona to Washington Flights

The cheapest times to fly from Barcelona to Washington

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Barcelona to Washington are during the month of September. You can find some of the cheapest flights from Barcelona to Washington with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Barcelona to Washington

Sunday is one of the best days to book for cheap flights from Barcelona to Washington: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from Barcelona to Washington

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Barcelona to Washington in 2025. You can also book with separate airlines for your outbound and return journeys, from $286 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Barcelona to Washington flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your Barcelona to Washington airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

How much does a flight from Barcelona Intl. Airport (BCN) to Washington Dulles Intl. Airport (IAD) cost?
Cheap return flights from Barcelona Intl. Airport (BCN) to Washington Dulles Intl. Airport (IAD) start at $570. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Lufthansa flight leaving BCN on May 15 2025 and touching down at IAD. The price was last updated on April 22 2025 and has not changed since.
What is the cheapest month to fly from BCN to IAD?
The cheapest flights from BCN to IAD are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from BCN to IAD?
Fly from BCN to IAD with Lufthansa. This carrier currently has the cheapest one-way ticket on this route, starting from $1406. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from BCN on June 16 2025. Prices were last updated on April 22 2025 and have not changed since.
How many flights per day from Barcelona Intl. Airport (BCN) to Washington Dulles Intl. Airport (IAD)?
There are no daily nonstop flights available from Barcelona Intl. Airport (BCN) to Washington Dulles Intl. Airport (IAD). But you can opt for flights with layovers. Filter your search results on Expedia to include one or more stops, and you’ll be cruising above the clouds in no time.
What day of the week has the most flights from BCN to IAD?
Typically you’ll find the largest variety of flight choices on a Friday. Tuesdays are often the quietest.* But this can change based on the time of year, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What airline has the least delays from BCN to IAD?
With 80% of journeys usually landing on schedule, Lufthansa has the best on-time performance for nonstop flights from Barcelona Intl. Airport (BCN) to Washington Dulles Intl. Airport (IAD). To check your flight status and get notifications if anything changes, simply head to the Expedia App.
What is the best time to fly from Barcelona Intl. Airport (BCN) to Washington Dulles Intl. Airport (IAD)?
Select a flight from Barcelona Intl. Airport (BCN) to Washington Dulles Intl. Airport (IAD) that leaves before 3 PM to reduce the likelihood of delays. Departures after this hour have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
Is it cheaper to buy a plane ticket from Barcelona Intl. Airport (BCN) to Washington Dulles Intl. Airport (IAD) last-minute?
Booking your flight from BCN to IAD just before your journey is generally more expensive. But if you’re flexible with your travel times and dates, you could bag a cheap last-minute fare.
Is it cheaper to book a BCN to IAD flight and hotel package?
You’ll generally save money by booking a BCN to IAD flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it’s simple to manage everything in one convenient place. After choosing your preferred flights and accommodations, consider adding extras such as tours, car rentals and activities.
Can I cancel or change the date of my flight from Barcelona Intl. Airport (BCN) to Washington Dulles Intl. Airport (IAD)?
Usually, it’s possible to reschedule or cancel your BCN to IAD flight. However, if it’s been more than 24 hours since booking, additional fees may apply. Refer to your airline’s policies in your itinerary to see what changes are possible and whether any costs are involved. You’ll also find more details on our Customer Service portal.

Explore a world of travel with Expedia

*Available to One Key members.