£301 Cheap Flights from Washington (IAD) to Barcelona (BCN)

View £301 flight on Tue, 28 Jul 2026Opens in a new window

Flight 1

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

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

Prices were available within the past 7 days and start at £301 for one-way flights and £516 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

TAP Portugal
Mon, 23 Nov - Mon, 30 Nov
IAD
Washington
BCN
Barcelona
£516 Return, found 5 days ago
£516
Return
found 5 days ago
Select TAP Portugal flight, departing Mon, 23 Nov from Washington to Barcelona, returning Mon, 30 Nov, priced at £516 found 5 days ago
Scandinavian Airlines
Mon, 7 Sept - Mon, 14 Sept
IAD
Washington
BCN
Barcelona
£543 Return, found 2 days ago
£543
Return
found 2 days ago
Select Scandinavian Airlines flight, departing Mon, 7 Sept from Washington to Barcelona, returning Mon, 14 Sept, priced at £543 found 2 days ago
Royal Air Maroc
Mon, 30 Nov - Mon, 7 Dec
IAD
Washington
BCN
Barcelona
£544 Return, found 3 days ago
£544
Return
found 3 days ago
Select Royal Air Maroc flight, departing Mon, 30 Nov from Washington to Barcelona, returning Mon, 7 Dec, priced at £544 found 3 days ago
Turkish Airlines
Thu, 22 Oct - Thu, 29 Oct
IAD
Washington
BCN
Barcelona
£560 Return, found 2 days ago
£560
Return
found 2 days ago
Select Turkish Airlines flight, departing Thu, 22 Oct from Washington to Barcelona, returning Thu, 29 Oct, priced at £560 found 2 days ago
Aer Lingus
Tue, 17 Nov - Tue, 24 Nov
IAD
Washington
BCN
Barcelona
£620 Return, found 3 days ago
£620
Return
found 3 days ago
Select Aer Lingus flight, departing Tue, 17 Nov from Washington to Barcelona, returning Tue, 24 Nov, priced at £620 found 3 days ago
Virgin Atlantic
Sun, 16 Aug - Thu, 17 Sept
IAD
Washington
BCN
Barcelona
£735 Return, found 5 days ago
£735
Return
found 5 days ago
Select Virgin Atlantic flight, departing Sun, 16 Aug from Washington to Barcelona, returning Thu, 17 Sept, priced at £735 found 5 days ago
Air France
Sun, 16 Aug - Thu, 17 Sept
IAD
Washington
BCN
Barcelona
£735 Return, found 5 days ago
£735
Return
found 5 days ago
Select Air France flight, departing Sun, 16 Aug from Washington to Barcelona, returning Thu, 17 Sept, priced at £735 found 5 days ago
Air Canada
Sun, 16 Aug - Thu, 17 Sept
IAD
Washington
BCN
Barcelona
£736 Return, found 5 days ago
£736
Return
found 5 days ago
Select Air Canada flight, departing Sun, 16 Aug from Washington to Barcelona, returning Thu, 17 Sept, priced at £736 found 5 days ago
Iberia
Tue, 13 Oct - Tue, 20 Oct
IAD
Washington
BCN
Barcelona
£737 Return, found 4 days ago
£737
Return
found 4 days ago
Select Iberia flight, departing Tue, 13 Oct from Washington to Barcelona, returning Tue, 20 Oct, priced at £737 found 4 days ago
British Airways
Sun, 16 Aug - Thu, 17 Sept
IAD
Washington
BCN
Barcelona
£738 Return, found 5 days ago
£738
Return
found 5 days ago
Select British Airways flight, departing Sun, 16 Aug from Washington to Barcelona, returning Thu, 17 Sept, priced at £738 found 5 days ago

Alternative airports near Barcelona

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Barcelona Intl. BCN. Cheapest and Closest option available. Average driving time to city centre is 18 minutes. Flights from £818
BCN
Barcelona Intl.
CheapestClosest
Average driving time to city centre18 min
Flights from £818

Frequently asked questions

How much is a flight from Washington Dulles Intl. Airport (IAD) to Josep Tarradellas Barcelona–El Prat Airport?
Round-trip flights between Dulles Intl. Airport and Barcelona Airport start from £516. This is based on fares available within the last 7 days on Expedia for flights departing within the next year — book now to avoid missing out. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from IAD to Barcelona Intl. Airport (BCN)?
Every air carrier has its own terms and conditions. If you do decide to cancel, follow the simple instructions on our Customer Service Portal.
How do I find cheap flights from Washington Dulles Intl. Airport (IAD) to Barcelona Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for IAD to Barcelona Intl. Airport (BCN) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Washington Dulles Intl. Airport (IAD) to Barcelona Airport?
You'll have 6,500 kilometres to cover on the long-haul Chantilly to El Prat de Llobregat route. Dress in comfy clothes and consider taking earplugs and a sleep mask.
Which airlines fly direct from IAD to Josep Tarradellas Barcelona–El Prat Airport?
Direct flights aren't available, so you'll need to make at least one stop between IAD and Barcelona Intl. Airport (BCN). Make the most of the layover time to stretch your legs and grab a bite to eat.
Are Dulles Intl. Airport to Josep Tarradellas Barcelona–El Prat Airport flight tickets cheaper when they're purchased at the last minute?
Tickets from Washington Dulles Intl. Airport (IAD) to Josep Tarradellas Barcelona–El Prat Airport are available up to a year before departure on Expedia. And although you may occasionally score great last-minute deal, it's not something you should bank on. Also, booking your flights well in advance means you'll have more options — and you can avoid getting trapped in the dreaded middle seat! We regularly update our fares to bring you the biggest bargains, so keep checking in for all the latest specials.

Frequently asked questions

What is the cheapest month to fly from Washington, DC (IAD-Washington Dulles Intl.) to Barcelona (BCN-Barcelona Intl.)?
November is typically the cheapest month to fly from Washington, DC (IAD-Washington Dulles Intl.) to Barcelona (BCN-Barcelona Intl.), with average return fares of approximately £816. This is about 33% lower than the average price throughout the year. November sees lower prices because it falls outside the peak summer travel season, when demand drops and airlines compete for bookings. September and October are also good months to find deals on this route.
Which airlines fly direct from Washington, DC (IAD-Washington Dulles Intl.) to Barcelona (BCN-Barcelona Intl.)?
Enter IAD to BCN and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Washington, DC (IAD-Washington Dulles Intl.) to Barcelona (BCN-Barcelona Intl.)?
To find a cheap flight from Washington, DC (IAD-Washington Dulles Intl.) to Barcelona (BCN-Barcelona Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Washington, DC (IAD-Washington Dulles Intl.) to Barcelona (BCN-Barcelona Intl.)?
The best airline to fly with from Washington, DC (IAD) to Barcelona (BCN) will differ from traveller to traveller. If you like to fly early, UA offers early morning flights. If price is the most important factor, UA typically offers the lowest fares. UA offers the most daily flights from Washington, DC (IAD) to Barcelona (BCN), which is brilliant if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Washington, DC (IAD-Washington Dulles Intl.) to Barcelona (BCN-Barcelona Intl.)?
Based on booking data from the past year, the cheapest months to fly from Washington, DC (IAD-Washington Dulles Intl.) to Barcelona (BCN-Barcelona Intl.) are typically November and September, with average return flights around £816. While August is the most popular month for travel, offering plenty of flight options, it's not the cheapest. If you're looking for the best value, aiming for November or September will help you find more budget-friendly fares.
How many flights per day from Washington, DC (IAD-Washington Dulles Intl.) to Barcelona (BCN-Barcelona Intl.)?
When flying from Washington, DC (IAD-Washington Dulles Intl.) to Barcelona (BCN-Barcelona Intl.), you'll find approximately 1 nonstop flight per day. For even more choice, look at flights that include layovers, as there are around 64 connecting flights per day. Some common connection points include Heathrow (LHR), Pearson Intl. (YYZ), and Frankfurt Intl. (FRA).
What is the earliest flight from Washington, DC (IAD-Washington Dulles Intl.) to Barcelona (BCN-Barcelona Intl.)?
The earliest flight from Washington Dulles Intl. (IAD) to Barcelona Intl. (BCN) typically departs at approximately 5:00 AM local time, operated by American Airlines. This is a seasonal service active in March. An early departure like this can help maximise your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Washington, DC (IAD-Washington Dulles Intl.) to Barcelona (BCN-Barcelona Intl.)?
If you're looking for the most flight options from Washington Dulles Intl. (IAD) to Barcelona Intl. (BCN), Saturday is typically the busiest day, with around 67 flights available. This gives you a good selection to choose from for your travel plans. Major airlines on this route include United Airlines, British Airways, and Delta Air Lines. Flight schedules are consistent throughout the week, with Saturday offering only slightly more options.
What are the most popular departure times for flights from Washington, DC (IAD-Washington Dulles Intl.) to Barcelona (BCN-Barcelona Intl.)?
The most popular departure times for flights from Washington, DC (IAD-Washington Dulles Intl.) to Barcelona (BCN-Barcelona Intl.) are in the afternoon, from 3pm to 6pm. Approximately 39% of passengers prefer this time window. Many major carriers, including TAP Air Portugal, United Airlines and Lufthansa, offer flights during this window. These times work well because you can have a productive morning before your flight and arrive in Barcelona in the morning, ready to start your day.
How long does it take to fly from Washington, DC (IAD-Washington Dulles Intl.) to Barcelona (BCN-Barcelona Intl.)?
A nonstop flight from IAD to BCN typically takes around 8 hours 20 minutes, covering approximately 4,048 miles. Connecting flights on this route usually add 6 hours to your travel time. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Washington, DC (IAD-Washington Dulles Intl.) to Barcelona (BCN-Barcelona Intl.)?
Select the "Business class" and "First class" filters when looking for IAD to BCN flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Washington, DC (IAD-Washington Dulles Intl.) to Barcelona (BCN-Barcelona Intl.) flight with Expedia?
It's easy to earn miles on a Washington, DC (IAD-Washington Dulles Intl.) to Barcelona (BCN-Barcelona Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia. *Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Barcelona from Washington Dulles Intl. (IAD)?
From Washington Dulles Intl. (IAD), you can fly directly into Barcelona Intl. (BCN) to reach Barcelona. Some flights may connect through major hubs like Charlotte-Douglas Intl. (CLT), Heathrow (LHR), John F. Kennedy Intl. (JFK) before reaching Barcelona. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Washington, DC (IAD-Washington Dulles Intl.) to Barcelona (BCN-Barcelona Intl.) at the last minute?
Typically, booking a last minute flight from Washington, DC (IAD-Washington Dulles Intl.) to Barcelona (BCN-Barcelona Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Washington, DC (IAD-Washington Dulles Intl.) to Barcelona (BCN-Barcelona Intl.) flight and hotel package?
Securing a Washington, DC (IAD-Washington Dulles Intl.) to Barcelona (BCN-Barcelona Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Washington, DC (IAD-Washington Dulles Intl.) to Barcelona (BCN-Barcelona Intl.)?
If you booked your Washington, DC (IAD-Washington Dulles Intl.) to Barcelona (BCN-Barcelona Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Washington Dulles Intl.
Destination airport
Barcelona 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, Virgin Atlantic, avianca
Return price
£516
Distance
6476 km
Average flight time
8 hours 20 mins

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