Cheap flights from Barcelona-El Prat Airport to Washington, D.C. Dulles Intl Airport from £305
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 26/1. Fares are subject to change and may not be available on all flights or dates of travel.
BCN — IAD
13 Oct — 20 Oct1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Barcelona-El Prat to Washington, D.C. Dulles Intl are usually found in February or January, booked 18 days in advance, depart on a Wednesday or Monday and return on a Monday
Cheap flight deals from Barcelona-El Prat to Dulles Intl
Enter your travel dates to find the best prices.
Cheapest
Best
Direct
Last-minute
One-way
Cheapest flights from Barcelona-El Prat to Dulles Intl
Explore the most affordable flight options available from Barcelona-El Prat to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 September 2026.
Thu 19/1106:20 -
1 stop14h 10m
Thu 3/1216:30 -
1 stop24h 45m
Deal found 12/9£425
Fri 16/1016:50 -
1 stop27h 40m
Tue 3/1116:30 -
1 stop24h 45m
Deal found 9/9£426
Tue 22/910:35 -
1 stop14h 15m
Mon 28/922:25 -
1 stop12h 00m
Deal found 12/9£427
Thu 17/910:35 -
1 stop14h 20m
Tue 22/922:25 -
1 stop11h 15m
Deal found 9/9£427
Thu 24/910:35 -
1 stop14h 20m
Thu 8/1017:45 -
1 stop11h 20m
Deal found 10/9£428
Thu 24/910:35 -
1 stop14h 20m
Sat 10/1022:25 -
1 stop13h 10m
Deal found 8/9£429
Sat 21/1112:25 -
1 stop12h 05m
Wed 2/1219:40 -
1 stop12h 00m
Deal found 12/9£435
Thu 19/1114:45 -
1 stop33h 45m
Sat 5/1219:40 -
1 stop12h 00m
Deal found 12/9£437
Thu 17/910:35 -
1 stop14h 20m
Sun 20/922:25 -
1 stop14h 00m
Deal found 9/9£439
Fri 6/1109:15 -
1 stop13h 05m
Fri 20/1121:45 -
1 stop12h 50m
Deal found 11/9£442
Sat 21/1106:00 -
1 stop15h 55m
Fri 4/1215:00 -
1 stop11h 40m
Deal found 12/9£447
Best flights from Barcelona-El Prat to Dulles Intl
Discover carefully curated flight deals from Barcelona-El Prat to Dulles Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 13 September 2026.
Tue 1/1212:20 -
1 stop13h 35m
Thu 10/1218:05 -
1 stop10h 35m
Deal found 8/9£452
Sun 27/907:20 -
1 stop18h 05m
Sat 10/1017:15 -
1 stop11h 05m
Deal found 12/9£512
Fri 6/1106:50 -
1 stop15h 05m
Wed 11/1118:50 -
Nonstop8h 10m
Deal found 9/9£535
Sun 27/906:20 -
1 stop15h 15m
Sat 10/1017:08 -
2 stops15h 42m
Deal found 12/9£539
Thu 3/1206:35 -
1 stop15h 05m
Fri 11/1218:05 -
1 stop10h 40m
Deal found 8/9£466
Wed 2/1206:35 -
1 stop15h 05m
Sun 6/1221:45 -
1 stop13h 30m
Deal found 8/9£466
Fri 6/1106:50 -
1 stop15h 05m
Mon 23/1118:50 -
Nonstop8h 10m
Deal found 11/9£535
Fri 25/906:20 -
2 stops17h 26m
Sat 10/1017:08 -
2 stops16h 27m
Deal found 11/9£543
Sun 18/1021:20 -
1 stop26h 05m
Sun 8/1121:45 -
1 stop13h 30m
Deal found 9/9£466
Sun 25/1006:50 -
1 stop15h 05m
Sun 1/1108:37 -
2 stops18h 58m
Deal found 10/9£538
Wed 21/1011:15 -
Nonstop8h 50m
Wed 28/1021:10 -
1 stop11h 55m
Deal found 8/9£543
Thu 24/911:15 -
Nonstop8h 50m
Sat 10/1018:35 -
Nonstop7h 45m
Deal found 8/9£543
Direct flights from Barcelona-El Prat to Dulles Intl
Explore direct flight options from Barcelona-El Prat to Dulles Intl based on user searches, and compare prices and availability for your desired travel dates. Data last updated 13 September 2026.
Sun 28/210:30 -
Nonstop9h 30m
Mon 8/318:50 -
Nonstop8h 10m
Deal found 12/9£500
Fri 20/1110:30 -
Nonstop9h 30m
Sat 5/1218:50 -
Nonstop8h 10m
Deal found 12/9£543
Thu 24/911:15 -
Nonstop8h 50m
Sat 10/1018:35 -
Nonstop7h 45m
Deal found 8/9£543
Mon 23/1110:30 -
Nonstop9h 30m
Thu 3/1218:50 -
Nonstop8h 10m
Deal found 12/9£547
Fri 20/1110:30 -
Nonstop9h 30m
Mon 30/1118:50 -
Nonstop8h 10m
Deal found 11/9£548
Fri 6/1110:30 -
Nonstop9h 30m
Wed 11/1118:50 -
Nonstop8h 10m
Deal found 10/9£548
Wed 21/1011:15 -
Nonstop8h 50m
Wed 28/1019:50 -
Nonstop8h 10m
Deal found 9/9£560
Sat 26/911:15 -
Nonstop8h 50m
Wed 30/918:35 -
Nonstop7h 45m
Deal found 9/9£561
Thu 1/1011:15 -
Nonstop8h 50m
Fri 30/1019:50 -
Nonstop8h 10m
Deal found 12/9£585
Mon 19/1011:15 -
Nonstop8h 50m
Mon 26/1019:50 -
Nonstop8h 10m
Deal found 8/9£586
Last-minute flights from Barcelona-El Prat to Dulles Intl
Discover last-minute flight deals from Barcelona-El Prat to Dulles Intl. Data last updated 13 September 2026 and is based on user searches.
Thu 17/910:35 -
1 stop14h 20m
Tue 22/922:25 -
1 stop11h 15m
Deal found 9/9£427
Thu 17/910:35 -
1 stop14h 20m
Sun 20/922:25 -
1 stop14h 00m
Deal found 9/9£439
Tue 22/910:35 -
1 stop14h 15m
Mon 28/922:25 -
1 stop12h 00m
Deal found 12/9£427
Thu 24/910:35 -
1 stop14h 20m
Thu 15/1022:25 -
1 stop13h 55m
Deal found 10/9£428
Thu 24/910:35 -
1 stop14h 20m
Sat 10/1022:25 -
1 stop13h 10m
Deal found 8/9£429
Mon 12/1021:20 -
1 stop26h 05m
Thu 5/1118:05 -
1 stop11h 20m
Deal found 9/9£452
Mon 12/1021:20 -
1 stop26h 05m
Sat 7/1118:05 -
1 stop10h 35m
Deal found 9/9£466
Wed 14/1015:45 -
1 stop33h 35m
Sat 7/1119:40 -
1 stop12h 00m
Deal found 9/9£461
Wed 14/1015:45 -
1 stop33h 35m
Sun 8/1119:40 -
1 stop33h 50m
Deal found 9/9£462
Wed 14/1007:40 -
1 stop14h 15m
Tue 3/1121:45 -
1 stop10h 55m
Deal found 9/9£470
Fri 16/1016:50 -
1 stop27h 40m
Tue 3/1116:30 -
1 stop24h 45m
Deal found 9/9£426
Sun 25/1006:00 -
1 stop15h 45m
Sun 1/1118:40 -
1 stop13h 20m
Deal found 10/9£459
One-way flights from Barcelona-El Prat to Dulles Intl
Search for one-way flight options from Barcelona-El Prat to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated 13 September 2026.
Tue 26/111:15 -
2 stops17h 47m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 11/9£305
Sun 15/1121:10 -
1 stop24h 05m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 8/9£308
Sat 13/209:45 -
1 stop12h 35m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 11/9£321
Mon 9/1118:05 -
1 stop26h 35m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 12/9£323
Thu 24/1206:45 -
1 stop14h 30m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 12/9£324
Fri 6/1110:55 -
1 stop15h 35m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 11/9£324
Wed 4/1106:00 -
1 stop15h 55m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 12/9£330
Fri 30/1006:00 -
1 stop15h 55m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 9/9£331
Mon 2/1106:00 -
1 stop15h 55m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 11/9£332
Mon 9/1106:00 -
2 stops21h 30m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 12/9£334
Find flight deals from Barcelona-El Prat to Dulles Intl
Discover tips and strategies to find the most affordable flight options for your journey from Barcelona-El Prat (BCN) to Dulles Intl (IAD). 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 13 September 2026.
Customise your flight search to find flights from Barcelona-El Prat to Dulles Intl 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 7,457,451 searches. Data last updated 13 September 2026.
Use the filters below to find and compare flights from Barcelona-El Prat Airport to Washington, D.C. Dulles Intl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
Cheapest return flight
BarcelonaWashington, D.C.
BCN Barcelona-El Prat - IAD Washington, D.C. Dulles Intl
BCNIAD
Barcelona-El Prat
Sat 13/2
10:50-23:02
2 stops18h 12m
Washington, D.C. Dulles Intl
Wed 31/12
00:00-06:00
Nonstop0h 00m
£324
BarcelonaWashington, D.C.
BCN Barcelona-El Prat - IAD Washington, D.C. Dulles Intl
BCNIAD
Barcelona-El Prat
Wed 4/11
06:00-15:55
1 stop15h 55m
Washington, D.C. Dulles Intl
Wed 31/12
00:00-06:00
Nonstop0h 00m
£330
BarcelonaWashington, D.C.
BCN Barcelona-El Prat - IAD Washington, D.C. Dulles Intl
BCNIAD
Barcelona-El Prat
Sat 14/11
06:00-15:55
1 stop15h 55m
Washington, D.C. Dulles Intl
Wed 31/12
00:00-06:00
Nonstop0h 00m
£330
BarcelonaWashington, D.C.
BCN Barcelona-El Prat - IAD Washington, D.C. Dulles Intl
BCNIAD
Barcelona-El Prat
Sat 7/11
06:00-15:55
1 stop15h 55m
Washington, D.C. Dulles Intl
Wed 31/12
00:00-06:00
Nonstop0h 00m
£331
BarcelonaWashington, D.C.
BCN Barcelona-El Prat - IAD Washington, D.C. Dulles Intl
BCNIAD
Barcelona-El Prat
Tue 3/11
06:00-15:45
1 stop15h 45m
Washington, D.C. Dulles Intl
Wed 31/12
00:00-06:00
Nonstop0h 00m
£331
BarcelonaWashington, D.C.
BCN Barcelona-El Prat - IAD Washington, D.C. Dulles Intl
BCNIAD
Barcelona-El Prat
Mon 9/11
06:00-21:30
2 stops21h 30m
Washington, D.C. Dulles Intl
Wed 31/12
00:00-06:00
Nonstop0h 00m
£334
BarcelonaWashington, D.C.
BCN Barcelona-El Prat - IAD Washington, D.C. Dulles Intl
BCNIAD
Barcelona-El Prat
Sun 15/11
11:25-00:41
2 stops19h 16m
Washington, D.C. Dulles Intl
Wed 31/12
00:00-06:00
Nonstop0h 00m
£335
BarcelonaWashington, D.C.
BCN Barcelona-El Prat - IAD Washington, D.C. Dulles Intl
BCNIAD
Barcelona-El Prat
Sat 7/11
06:00-17:33
2 stops17h 33m
Washington, D.C. Dulles Intl
Wed 31/12
00:00-06:00
Nonstop0h 00m
£335
BarcelonaWashington, D.C.
BCN Barcelona-El Prat - IAD Washington, D.C. Dulles Intl
BCNIAD
Barcelona-El Prat
Fri 30/10
13:10-10:10
2 stops26h 00m
Washington, D.C. Dulles Intl
Wed 31/12
00:00-06:00
Nonstop0h 00m
£336
Fastest return journey
BarcelonaWashington, D.C.
BCN Barcelona-El Prat - IAD Washington, D.C. Dulles Intl
BCNIAD
Barcelona-El Prat
Sun 1/11
12:10-19:20
1 stop13h 10m
Washington, D.C. Dulles Intl
Wed 31/12
00:00-06:00
Nonstop0h 00m
£336
Flights are sorted by cheapest return flights first.
Deals found on 11/9
Showing 1-10 of 24 resultsSorted by cheapest first
1
2
3
Best time to book a flight from Barcelona-El Prat to Dulles Intl
Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Barcelona-El Prat with our price prediction graph.
BCN-IAD
Estimated return 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 Barcelona-El Prat Airport to Washington, D.C. Dulles Intl Airport
Prices
Airlines
Delays
How far ahead should I book a flight from Barcelona-El Prat Airport to Washington, D.C. Dulles Intl Airport?
The price you pay for your flight from Barcelona-El Prat Airport to Washington, D.C. Dulles Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 17 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 Barcelona-El Prat Airport to Washington, D.C. Dulles Intl Airport?
Currently, February is the cheapest month in which you can book a flight from Barcelona-El Prat Airport to Washington, D.C. Dulles Intl Airport (average of £449). Flying from Barcelona-El Prat Airport to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of £686). 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 BCN to IAD?
Find hourly flight availability from Barcelona-El Prat to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 13 September 2026.
When flying from Barcelona-El Prat Airport to Washington, D.C. Dulles Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
How much does it cost for a return flight from Barcelona-El Prat Airport to Washington, D.C. Dulles Intl Airport?
Airfare is below average for this route at the moment.
Barcelona-El Prat Airport to Washington, D.C. Dulles Intl Airport flights typically cost between £549 and £808 in January.The cheapest return price found within the last 5 days was £415 on British Airways (14 Jan–18 Jan).
Weekly flight availability from Barcelona-El Prat Airport to Washington, D.C. Dulles Intl Airport
Explore weekly flight availability from Barcelona-El Prat to Dulles Intl. 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 13 September 2026.
The most flights from BCN to IAD 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).
How often are flights from Barcelona to Washington, D.C. delayed?
About 17% of weekly flights between Barcelona and Washington, D.C. have experienced delays in the past year, with the average delay time being 198 minutes.
What is the most punctual flight time for Barcelona to Washington, D.C. flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Wednesday tends to have the lowest number of delays on this route, whereas Tuesday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Barcelona to Washington, D.C. flights?
Over the past year, United Airlines have had the lowest number of delays on this route, with just 17% of flights being delayed.
Related info for your journey
Find useful and relevant information for your journey from Barcelona-El Prat to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
How long is the flight from Barcelona-El Prat Airport to Washington, D.C. Dulles Intl Airport?
Departing from Barcelona-El Prat Airport to Washington, D.C. Dulles Intl Airport will take you 13h 35m. Barcelona-El Prat Airport and Washington, D.C. Dulles Intl Airport are separated by a distance of 4046 mi. This flight may include one or multiple stops.
What are the most reliable airlines from Barcelona-El Prat Airport to Washington, D.C. Dulles Intl Airport?
Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Barcelona-El Prat Airport to Washington, D.C. Dulles Intl Airport on time: Air Canada (80%), United Airlines (80%), Lufthansa (80%).
Can I find deals for flights from Barcelona-El Prat to Dulles Intl that include hotel bookings?
Yes. In addition to deals on Barcelona-El Prat to Dulles Intl flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Barcelona-El Prat to Dulles Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Barcelona-El Prat to Dulles Intl.
Can I find deals for business class flights from Barcelona-El Prat to Dulles Intl?
Yes. Cheapflights offers flight deals from Barcelona-El Prat to Dulles Intl 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 Barcelona-El Prat Airport to Washington, D.C. Dulles Intl Airport?
Currently, February is the cheapest month in which you can book a flight from Barcelona-El Prat Airport to Washington, D.C. Dulles Intl Airport (average of £449). Flying from Barcelona-El Prat Airport to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of £686). 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.
Explore flights to Dulles Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 13 September 2026.
Browse through other flights departing from Barcelona-El Prat. Flights are based on user searches made on Cheapflights and were last updated on 13 September 2026.
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Barcelona-El Prat to Dulles Intl?
Deals for Barcelona-El Prat to Dulles Intl flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.
Why should you use Cheapflights to find cheap flight tickets from Barcelona-El Prat to Dulles Intl?
Cheapflights simply makes it quick and affordable to book flights from Barcelona-El Prat to Dulles Intl by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.
Can Cheapflights find flights from Barcelona-El Prat to Dulles Intl with no change fees?
Cheapflights does show flights with no change fees to all users. To see these options for flights from Barcelona-El Prat to Dulles Intl, users can toggle the no change fees filter when performing a flight search.
Can Cheapflights notify me if prices for flights from Barcelona-El Prat to Dulles Intl become cheaper?
Yes! Start tracking prices for Barcelona-El Prat to Dulles Intl flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.
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.
We value your privacy
Cheapflights and its partners wish to use cookies or similar technologies to store and/or access information on and about your device and process personal data such as your IP address, device identifiers etc., in order to improve your experience on the site, to analyse navigation, to offer and measure personalised advertising, and to facilitate sharing on social networks. We also allow the use of third-party cookies (including those from our advertising partners) on our sites.
By clicking 'Accept', you consent to your data being processed by 0 vendors on this web site for the purposes described in this notice. You can review the vendors and their individual processing purposes on the .
To review individual processing purposes and cookie categories, please click ’Select individual purposes’. You can review your choices and withdraw your consent at any time by clicking the ’Privacy Preferences’ link in the page side navigation.