$348+ Cheap flights from Barcelona-El Prat (BCN) to Dulles Intl (IAD)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/26. Fares are subject to change and may not be available on all flights or dates of travel.
BCN — IAD
Nov 18 — Nov 251
Round-trip
1 adult, Economy
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Find cheap flights from Barcelona-El Prat to Dulles Intl 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.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 Monday or Tuesday and return on a Monday
Cheap flight deals from Barcelona-El Prat to Dulles Intl
Cheapest
Best
Last-minute
One-way
Cheapest flights from Barcelona-El Prat to Dulles IntlExplore 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 October 19, 2026.
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 October 19, 2026.
This Air Canada deal was found by Cheapflights users on 10/15. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/41:35 pm -
2 stops28h 17m
Mon 11/309:55 am -
2 stops22h 10m
Deal found 10/15![Air Canada logo]()
$553
This Justfly.com deal was found by Cheapflights users on 10/19. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/206:20 am -
1 stop14h 10m
Tue 11/244:30 pm -
1 stop17h 25m
Deal found 10/19![ITA Airways logo]()
$554
This Air Canada deal was found by Cheapflights users on 10/15. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/41:35 pm -
2 stops28h 17m
Fri 12/410:10 am -
2 stops17h 25m
Deal found 10/15![Air Canada logo]()
$555
This British Airways deal was found by Cheapflights users on 10/16. 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.
Wed 10/287:25 pm -
1 stop30h 30m
Wed 11/259:55 pm -
1 stop14h 35m
Deal found 10/16![British Airways logo]()
$556
This British Airways deal was found by Cheapflights users on 10/19. 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.
Wed 10/287:25 pm -
1 stop26h 15m
Thu 12/31:09 pm -
2 stops19h 31m
Deal found 10/19![British Airways logo]()
$557
This Air Canada deal was found by Cheapflights users on 10/16. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/41:35 pm -
2 stops36h 35m
Thu 12/310:15 pm -
2 stops29h 20m
Deal found 10/16![Air Canada logo]()
$558
This ITA Airways deal was found by Cheapflights users on 10/16. 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 ITA Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/186:20 am -
1 stop14h 10m
Tue 11/244:30 pm -
1 stop24h 45m
Deal found 10/16![ITA Airways logo]()
$559
This ITA Airways deal was found by Cheapflights users on 10/19. 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 ITA Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/194:50 pm -
1 stop27h 40m
Thu 11/264:30 pm -
1 stop12h 20m
Deal found 10/19![ITA Airways logo]()
$560
This FlightHub deal was found by Cheapflights users on 10/19. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/246:05 pm -
1 stop32h 55m
Thu 12/315:25 pm -
1 stop24h 20m
Deal found 10/19![TAP AIR PORTUGAL logo]()
$561
This SWISS deal was found by Cheapflights users on 10/18. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/206:20 am -
2 stops14h 10m
Fri 1/228:10 pm -
1 stop11h 55m
Deal found 10/18![SWISS logo]()
$564
This British Airways deal was found by Cheapflights users on 10/15. 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.
Tue 11/37:05 pm -
1 stop26h 35m
Fri 12/49:45 pm -
1 stop12h 50m
Deal found 10/15![British Airways logo]()
$565
This British Airways deal was found by Cheapflights users on 10/16. 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.
Tue 11/37:05 pm -
1 stop26h 35m
Sun 11/299:45 pm -
1 stop15h 40m
Deal found 10/16![British Airways logo]()
$567
Best flights from Barcelona-El Prat to Dulles IntlDiscover carefully curated flight deals from Barcelona-El Prat to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 19, 2026.
Discover carefully curated flight deals from Barcelona-El Prat to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 19, 2026.
This British Airways deal was found by Cheapflights users on 10/19. 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.
Sat 1/96:35 am -
1 stop19h 20m
Thu 2/46:05 pm -
1 stop11h 20m
Deal found 10/19![British Airways logo]()
$555
This United Airlines deal was found by Cheapflights users on 10/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/156:20 am -
1 stop15h 10m
Sun 11/226:50 pm -
Nonstop8h 10m
Deal found 10/18![United Airlines logo]()
$558
This Delta deal was found by Cheapflights users on 10/16. 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 11/36:00 am -
2 stops17h 33m
Tue 12/16:20 pm -
2 stops13h 40m
Deal found 10/16![Delta logo]()
$634
This British Airways deal was found by Cheapflights users on 10/19. 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.
Sat 1/96:35 am -
1 stop19h 20m
Wed 2/36:05 pm -
1 stop18h 25m
Deal found 10/19![British Airways logo]()
$555
This British Airways deal was found by Cheapflights users on 10/19. 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.
Sat 1/96:35 am -
1 stop19h 20m
Sun 1/319:45 pm -
1 stop13h 30m
Deal found 10/19![British Airways logo]()
$572
This Delta deal was found by Cheapflights users on 10/17. 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.
Sat 11/76:00 am -
2 stops17h 33m
Mon 11/235:16 pm -
2 stops17h 14m
Deal found 10/17![Delta logo]()
$641
This British Airways deal was found by Cheapflights users on 10/19. 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.
Sat 1/96:35 am -
1 stop19h 20m
Fri 1/296:05 pm -
1 stop10h 40m
Deal found 10/19![British Airways logo]()
$572
This United Airlines deal was found by Cheapflights users on 10/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/146:50 am -
1 stop19h 15m
Fri 11/205:35 pm -
1 stop18h 00m
Deal found 10/15![United Airlines logo]()
$731
This British Airways deal was found by Cheapflights users on 10/19. 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.
Sat 1/96:35 am -
1 stop19h 20m
Fri 2/56:05 pm -
1 stop10h 40m
Deal found 10/19![British Airways logo]()
$572
This Delta deal was found by Cheapflights users on 10/17. 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.
Fri 11/66:00 am -
2 stops17h 33m
Mon 11/93:00 pm -
2 stops14h 10m
Deal found 10/17![Delta logo]()
$714
This British Airways deal was found by Cheapflights users on 10/16. 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.
Fri 10/3011:40 am -
1 stop14h 15m
Fri 11/136:05 pm -
1 stop33h 10m
Deal found 10/16![British Airways logo]()
$606
Last-minute flights from Barcelona-El Prat to Dulles IntlDiscover last-minute flight deals from Barcelona-El Prat to Dulles Intl. Data last updated October 19, 2026 and is based on user searches.
Discover last-minute flight deals from Barcelona-El Prat to Dulles Intl. Data last updated October 19, 2026 and is based on user searches.
This ITA Airways deal was found by Cheapflights users on 10/16. 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 ITA Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/194:50 pm -
1 stop27h 40m
Sun 11/224:30 pm -
1 stop17h 25m
Deal found 10/16![ITA Airways logo]()
$559
This Justfly.com deal was found by Cheapflights users on 10/19. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/206:20 am -
1 stop14h 10m
Tue 11/244:30 pm -
1 stop17h 25m
Deal found 10/19![ITA Airways logo]()
$554
This British Airways deal was found by Cheapflights users on 10/16. 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.
Wed 10/287:25 pm -
1 stop26h 15m
Mon 11/236:05 pm -
1 stop11h 20m
Deal found 10/16![British Airways logo]()
$556
This British Airways deal was found by Cheapflights users on 10/19. 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.
Wed 10/287:25 pm -
1 stop26h 15m
Thu 12/31:09 pm -
2 stops19h 31m
Deal found 10/19![British Airways logo]()
$557
This British Airways deal was found by Cheapflights users on 10/15. 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.
Mon 11/26:10 pm -
1 stop27h 30m
Thu 12/36:05 pm -
1 stop10h 35m
Deal found 10/15![British Airways logo]()
$571
This British Airways deal was found by Cheapflights users on 10/15. 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.
Tue 11/37:05 pm -
1 stop26h 35m
Fri 12/49:45 pm -
1 stop12h 50m
Deal found 10/15![British Airways logo]()
$565
This British Airways deal was found by Cheapflights users on 10/16. 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.
Tue 11/37:05 pm -
1 stop26h 35m
Sun 11/299:45 pm -
1 stop15h 40m
Deal found 10/16![British Airways logo]()
$567
This Air Canada deal was found by Cheapflights users on 10/15. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/41:35 pm -
2 stops28h 17m
Mon 11/309:55 am -
2 stops22h 10m
Deal found 10/15![Air Canada logo]()
$553
This Air Canada deal was found by Cheapflights users on 10/15. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/41:35 pm -
2 stops28h 17m
Fri 12/410:10 am -
2 stops17h 25m
Deal found 10/15![Air Canada logo]()
$555
This Air Canada deal was found by Cheapflights users on 10/16. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/41:35 pm -
2 stops36h 35m
Thu 12/310:15 pm -
2 stops29h 20m
Deal found 10/16![Air Canada logo]()
$558
This SWISS deal was found by Cheapflights users on 10/18. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/206:20 am -
2 stops14h 10m
Fri 1/228:10 pm -
1 stop11h 55m
Deal found 10/18![SWISS logo]()
$564
One-way flights from Barcelona-El Prat to Dulles IntlSearch for one-way flight options from Barcelona-El Prat to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated October 19, 2026.
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 October 19, 2026.
This Ticket deal was found by Cheapflights users on 10/18. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/266:45 am -
1 stop14h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/18![TAP AIR PORTUGAL logo]()
$348
This Booking.com deal was found by Cheapflights users on 10/18. 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.
Tue 4/136:00 am -
1 stop15h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/18![TAP AIR PORTUGAL logo]()
$354
This Booking.com deal was found by Cheapflights users on 10/19. 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.
Fri 1/1512:35 pm -
1 stop13h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![TAP AIR PORTUGAL logo]()
$359
This Kiwi.com deal was found by Cheapflights users on 10/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/712:45 pm -
1 stop12h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/16![Royal Air Maroc logo]()
$367
This Mytrip deal was found by Cheapflights users on 10/19. 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 3/86:45 am -
1 stop14h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![TAP AIR PORTUGAL logo]()
$368
This Booking.com deal was found by Cheapflights users on 10/16. 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.
Wed 3/106:05 pm -
1 stop27h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/16![TAP AIR PORTUGAL logo]()
$369
This Booking.com deal was found by Cheapflights users on 10/18. 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 11/3010:55 am -
1 stop33h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/18![TAP AIR PORTUGAL logo]()
$370
This SmartFares deal was found by Cheapflights users on 10/15. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/66:45 am -
1 stop19h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![TAP AIR PORTUGAL logo]()
$371
This Booking.com deal was found by Cheapflights users on 10/17. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/295:45 pm -
1 stop27h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/17![TAP AIR PORTUGAL logo]()
$372
This Kiwi.com deal was found by Cheapflights users on 10/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1712:45 pm -
1 stop12h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/17![Royal Air Maroc logo]()
$373
This SmartFares deal was found by Cheapflights users on 10/16. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/97:10 pm -
1 stop29h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/16![Royal Air Maroc logo]()
$374
This Booking.com deal was found by Cheapflights users on 10/17. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/219:10 pm -
1 stop29h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/17![TAP AIR PORTUGAL logo]()
$375
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 October 19, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $553 (Air Canada) |
One-way from | $348 (Ticket) |
Popular in | July |
Cheapest in | February |
Average price | $760 |
Good round-trip deal | $591 or less |
Good one-way deal | $932 or less |
Cheapflights Fare Finder
Customize 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 October 19, 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
Cheapest round-trip
BarcelonaWashington, D.C.
BCN Barcelona-El Prat - IAD Washington, D.C. Dulles Intl
BCNIAD
Barcelona-El Prat
Sat 4/3
10:40 pm-3:10 pm
1 stop22h 30m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$379
BarcelonaWashington, D.C.
BCN Barcelona-El Prat - IAD Washington, D.C. Dulles Intl
BCNIAD
Barcelona-El Prat
Mon 11/16
7:25 pm-2:45 pm
3 stops49h 20m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$405
BarcelonaWashington, D.C.
BCN Barcelona-El Prat - IAD Washington, D.C. Dulles Intl
BCNIAD
Barcelona-El Prat
Wed 3/10
6:00 am-5:30 pm
2 stops17h 30m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$411
BarcelonaWashington, D.C.
BCN Barcelona-El Prat - IAD Washington, D.C. Dulles Intl
BCNIAD
Barcelona-El Prat
Sun 3/7
12:10 pm-11:02 pm
2 stops16h 52m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$440
BarcelonaWashington, D.C.
BCN Barcelona-El Prat - IAD Washington, D.C. Dulles Intl
BCNIAD
Barcelona-El Prat
Tue 4/13
6:20 am-4:30 pm
2 stops16h 10m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$449
Quickest round-trip
BarcelonaWashington, D.C.
BCN Barcelona-El Prat - IAD Washington, D.C. Dulles Intl
BCNIAD
Barcelona-El Prat
Mon 11/16
6:45 am-3:15 pm
1 stop14h 30m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$507
BarcelonaWashington, D.C.
BCN Barcelona-El Prat - IAD Washington, D.C. Dulles Intl
BCNIAD
Barcelona-El Prat
Sat 1/9
6:35 am-7:55 pm
1 stop19h 20m
Washington, D.C. Dulles Intl
Thu 2/4
6:05 pm-11:25 am
1 stop11h 20m
$555
BarcelonaWashington, D.C.
BCN Barcelona-El Prat - IAD Washington, D.C. Dulles Intl
BCNIAD
Barcelona-El Prat
Sat 1/9
6:35 am-7:55 pm
1 stop19h 20m
Washington, D.C. Dulles Intl
Wed 2/3
6:05 pm-6:30 pm
1 stop18h 25m
$555
BarcelonaWashington, D.C.
BCN Barcelona-El Prat - IAD Washington, D.C. Dulles Intl
BCNIAD
Barcelona-El Prat
Sun 11/15
6:20 am-3:30 pm
1 stop15h 10m
Washington, D.C. Dulles Intl
Sun 11/22
6:50 pm-9:00 am
Nonstop8h 10m
$558
BarcelonaWashington, D.C.
BCN Barcelona-El Prat - IAD Washington, D.C. Dulles Intl
BCNIAD
Barcelona-El Prat
Sat 1/9
6:35 am-7:55 pm
1 stop19h 20m
Washington, D.C. Dulles Intl
Sun 1/31
9:45 pm-5:15 pm
1 stop13h 30m
$572
Showing 1-10 of 17 resultsSorted by cheapest first
Compare providers for flights from Barcelona-El Prat to Dulles Intl
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Barcelona-El Prat to Dulles Intl in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars |
- Most accurate provider: When it comes to deals on Barcelona-El Prat Airport-Washington, D.C. Dulles Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Barcelona-El Prat Airport-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Barcelona-El Prat Airport-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Barcelona-El Prat Airport-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Barcelona-El Prat Airport-Washington, D.C. Dulles Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
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 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.
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 $608). Flying from Barcelona-El Prat Airport to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $928). 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 October 19, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Barcelona-El Prat Airport to Washington, D.C. Dulles Intl Airport as you normally would.
How often are flights from Barcelona to Washington, D.C. delayed?
About 18% of weekly flights between Barcelona and Washington, D.C. have experienced delays in the past year, with the average delay time being 201 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 last year, United Airlines have had the lowest number of delays on this route, with just 18% of flights being delayed.
Reviews of airlines servicing Dulles Intl
Get insights into the airlines that provide service to Dulles Intl. 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 Dulles Intl. Reviews last updated October 19, 2026.
Read reviews from past customers who have flown United Airlines,TAP AIR PORTUGAL, andLufthansa from Barcelona-El Prat Airport to Washington, D.C. Dulles Intl Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
6.7
Entertainment
7.1
Overall
7.3
Crew
8.1
Boarding
7.7
Comfort
7.3
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Food
6.7
Entertainment
7.1
Overall
7.3
Crew
8.1
Boarding
7.7
Comfort
7.3
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Food
6.7
Entertainment
7.1
Overall
7.3
Crew
8.1
Boarding
7.7
Comfort
7.3
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Food
6.7
Entertainment
7.1
Overall
7.3
Crew
8.1
Boarding
7.7
Comfort
7.3
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
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.
Traveling to a place near Washington, D.C. Dulles Intl Airport?
Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locationsAlexandria
Chantilly
Arlington
Woodbridge
Owings Mills
Lanham
Sterling
Tysons
Herndon
Reston
Hyattsville
Rockville
Springfield
Fredericksburg
Falls Church
Oxon Hill
Laurel
Towson
Clinton
Hunt Valley
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Other flights to Dulles Intl
Explore flights to Dulles Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 19, 2026.
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Barcelona-El Prat and Dulles Intl flights
Browse other Barcelona-El Prat and Dulles Intl flight options. Last updated on October 19, 2026.
Other flights from Barcelona-El Prat
Browse through other flights departing from Barcelona-El Prat. Flights are based on user searches made on Cheapflights and were last updated on October 19, 2026.
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Check out other popular destinations found by fellow travelers in 2026
Top 3 airlines flying from Barcelona-El Prat to Dulles Intl
Discover the top 3 airlines that operate flights from Barcelona-El Prat to Dulles Intl. 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 7,457,451 searches. Data last updated October 19, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$534 | Average$653 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$707 | Average$906 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$744 | Average$878 | FlexibilityNo cancel fee | On-time69% |