$320+ Cheap flights from Dulles Intl (IAD) to Barcelona-El Prat (BCN)
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 2/15. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — BCN
Nov 2 — Nov 91
Round-trip
1 adult, Economy
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Find cheap flights from Dulles Intl to Barcelona-El Prat 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 Washington, D.C. Dulles Intl to Barcelona-El Prat are usually found in January or February, booked 63 days in advance, depart on a Monday or Tuesday and return on a Tuesday
Cheap flight deals from Dulles Intl to Barcelona-El Prat
Cheapest
Best
Last-minute
One-way
Cheapest flights from Dulles Intl to Barcelona-El PratExplore the most affordable flight options available from Dulles Intl to Barcelona-El Prat. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 3, 2026.
Explore the most affordable flight options available from Dulles Intl to Barcelona-El Prat. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 3, 2026.
This FlightHub deal was found by Cheapflights users on 9/28. 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.
Tue 10/2710:20 pm -
1 stop34h 10m
Tue 11/106:30 pm -
1 stop30h 55m
Deal found 9/28![Turkish Airlines logo]()
$737
This Mytrip deal was found by Cheapflights users on 9/28. 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.
Wed 11/47:40 pm -
2 stops15h 25m
Sun 11/812:35 pm -
1 stop32h 40m
Deal found 9/28![Multiple Airlines logo]()
$746
This Mytrip deal was found by Cheapflights users on 9/27. 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.
Tue 10/279:55 am -
2 stops19h 55m
Tue 11/311:50 am -
2 stops35h 10m
Deal found 9/27![Multiple Airlines logo]()
$751
This Mytrip deal was found by Cheapflights users on 9/27. 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.
Tue 11/177:40 pm -
2 stops16h 40m
Tue 11/247:10 am -
2 stops17h 20m
Deal found 9/27![Multiple Airlines logo]()
$754
This Delta deal was found by Cheapflights users on 9/30. 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 11/106:40 pm -
1 stop10h 30m
Tue 11/2410:50 am -
1 stop15h 20m
Deal found 9/30![Delta logo]()
$755
This TAP AIR PORTUGAL deal was found by Cheapflights users on 9/29. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2910:30 pm -
1 stop15h 50m
Thu 12/36:45 am -
1 stop14h 30m
Deal found 9/29![TAP AIR PORTUGAL logo]()
$756
This United Airlines deal was found by Cheapflights users on 9/30. 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 11/1410:35 pm -
1 stop27h 45m
Fri 11/2710:30 am -
Nonstop9h 30m
Deal found 9/30![United Airlines logo]()
$757
This Kiwi.com deal was found by Cheapflights users on 9/30. 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 11/810:30 pm -
1 stop12h 45m
Tue 11/249:10 pm -
1 stop29h 20m
Deal found 9/30![TAP AIR PORTUGAL logo]()
$758
This Virgin Atlantic deal was found by Cheapflights users on 10/1. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/912:32 pm -
1 stop14h 08m
Tue 11/1710:35 am -
2 stops18h 46m
Deal found 10/1![Virgin Atlantic logo]()
$760
This Kiwi.com deal was found by Cheapflights users on 9/28. 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 11/117:40 pm -
2 stops14h 40m
Wed 11/2512:35 pm -
1 stop13h 55m
Deal found 9/28![Multiple Airlines logo]()
$761
This FlightHub deal was found by Cheapflights users on 9/28. 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.
Tue 10/139:40 pm -
1 stop31h 05m
Thu 10/2212:10 pm -
1 stop29h 20m
Deal found 9/28![Turkish Airlines logo]()
$762
Best flights from Dulles Intl to Barcelona-El PratDiscover carefully curated flight deals from Dulles Intl to Barcelona-El Prat that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 3, 2026.
Discover carefully curated flight deals from Dulles Intl to Barcelona-El Prat that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 3, 2026.
This United Airlines deal was found by Cheapflights users on 9/29. 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.
Thu 12/36:50 pm -
Nonstop8h 10m
Tue 12/86:50 am -
1 stop19h 15m
Deal found 9/29![United Airlines logo]()
$1,243
This British Airways deal was found by Cheapflights users on 10/1. 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 12/199:45 pm -
1 stop12h 15m
Sat 1/912:30 pm -
1 stop13h 25m
Deal found 10/1![British Airways logo]()
$1,387
This United deal was found by Cheapflights users on 9/28. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/196:50 pm -
Nonstop8h 10m
Fri 12/257:55 pm -
1 stop27h 05m
Deal found 9/28![Multiple Airlines logo]()
$1,688
This United Airlines deal was found by Cheapflights users on 9/29. 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.
Mon 11/96:50 pm -
Nonstop8h 10m
Tue 11/176:20 am -
1 stop16h 40m
Deal found 9/29![United Airlines logo]()
$1,293
This United Airlines deal was found by Cheapflights users on 9/29. 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.
Wed 12/2310:44 pm -
1 stop27h 36m
Wed 12/3010:30 am -
Nonstop9h 30m
Deal found 9/29![United Airlines logo]()
$1,362
This United Airlines deal was found by Cheapflights users on 10/1. 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.
Fri 10/307:50 pm -
Nonstop8h 10m
Sat 11/1410:30 am -
Nonstop9h 30m
Deal found 10/1![United Airlines logo]()
$1,390
This United Airlines deal was found by Cheapflights users on 9/28. 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.
Wed 10/287:50 pm -
Nonstop8h 10m
Wed 11/410:30 am -
Nonstop9h 30m
Deal found 9/28![United Airlines logo]()
$1,395
This United Airlines deal was found by Cheapflights users on 9/30. 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.
Thu 11/196:50 pm -
Nonstop8h 10m
Wed 11/2510:30 am -
Nonstop9h 30m
Deal found 9/30![United Airlines logo]()
$1,439
This United Airlines deal was found by Cheapflights users on 10/1. 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.
Tue 12/226:50 pm -
Nonstop8h 10m
Wed 12/306:20 am -
1 stop15h 10m
Deal found 10/1![United Airlines logo]()
$1,483
This United Airlines deal was found by Cheapflights users on 10/1. 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.
Thu 10/297:50 pm -
Nonstop8h 10m
Sun 11/110:30 am -
Nonstop9h 30m
Deal found 10/1![United Airlines logo]()
$1,595
This United Airlines deal was found by Cheapflights users on 9/30. 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.
Fri 11/206:50 pm -
Nonstop8h 10m
Tue 12/110:30 am -
Nonstop9h 30m
Deal found 9/30![United Airlines logo]()
$1,735
Last-minute flights from Dulles Intl to Barcelona-El PratDiscover last-minute flight deals from Dulles Intl to Barcelona-El Prat. Data last updated October 3, 2026 and is based on user searches.
Discover last-minute flight deals from Dulles Intl to Barcelona-El Prat. Data last updated October 3, 2026 and is based on user searches.
This FlightHub deal was found by Cheapflights users on 9/28. 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.
Tue 10/139:40 pm -
1 stop31h 05m
Thu 10/2212:10 pm -
1 stop29h 20m
Deal found 9/28![Turkish Airlines logo]()
$762
This FlightHub deal was found by Cheapflights users on 9/28. 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.
Wed 10/141:15 pm -
1 stop28h 00m
Wed 10/217:05 pm -
1 stop22h 25m
Deal found 9/28![Turkish Airlines logo]()
$737
This Mytrip deal was found by Cheapflights users on 9/28. 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.
Wed 11/47:40 pm -
2 stops15h 25m
Sun 11/812:35 pm -
1 stop32h 40m
Deal found 9/28![Multiple Airlines logo]()
$746
This Justfly.com deal was found by Cheapflights users on 9/28. 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.
Sat 11/75:25 pm -
1 stop14h 20m
Sun 11/1510:55 am -
1 stop34h 20m
Deal found 9/28![TAP AIR PORTUGAL logo]()
$763
This Kiwi.com deal was found by Cheapflights users on 9/30. 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 11/810:30 pm -
1 stop12h 45m
Tue 11/249:10 pm -
1 stop29h 20m
Deal found 9/30![TAP AIR PORTUGAL logo]()
$758
This Virgin Atlantic deal was found by Cheapflights users on 10/1. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/912:32 pm -
1 stop14h 08m
Tue 11/1710:35 am -
2 stops18h 46m
Deal found 10/1![Virgin Atlantic logo]()
$760
This Delta deal was found by Cheapflights users on 9/30. 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 11/106:40 pm -
1 stop10h 30m
Tue 11/2410:50 am -
1 stop15h 20m
Deal found 9/30![Delta logo]()
$755
This Kiwi.com deal was found by Cheapflights users on 9/28. 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 11/117:40 pm -
2 stops14h 40m
Wed 11/2512:35 pm -
1 stop13h 55m
Deal found 9/28![Multiple Airlines logo]()
$761
This United Airlines deal was found by Cheapflights users on 9/30. 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 11/1410:35 pm -
1 stop27h 45m
Fri 11/2710:30 am -
Nonstop9h 30m
Deal found 9/30![United Airlines logo]()
$757
This United Airlines deal was found by Cheapflights users on 9/30. 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 11/1410:35 pm -
1 stop27h 45m
Tue 11/249:55 am -
1 stop16h 10m
Deal found 9/30![United Airlines logo]()
$759
This Mytrip deal was found by Cheapflights users on 9/27. 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.
Tue 11/177:40 pm -
2 stops16h 40m
Tue 11/247:10 am -
2 stops17h 20m
Deal found 9/27![Multiple Airlines logo]()
$754
This TAP AIR PORTUGAL deal was found by Cheapflights users on 9/29. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2910:30 pm -
1 stop15h 50m
Thu 12/36:45 am -
1 stop14h 30m
Deal found 9/29![TAP AIR PORTUGAL logo]()
$756
One-way flights from Dulles Intl to Barcelona-El PratSearch for one-way flight options from Dulles Intl to Barcelona-El Prat. Find affordable one-way fares based on user searches. Data last updated October 3, 2026.
Search for one-way flight options from Dulles Intl to Barcelona-El Prat. Find affordable one-way fares based on user searches. Data last updated October 3, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/1. 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.
Mon 2/157:40 pm -
2 stops33h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/1![Multiple Airlines logo]()
$320
This Kiwi.com deal was found by Cheapflights users on 10/1. 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.
Mon 11/25:25 pm -
3 stops47h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/1![Multiple Airlines logo]()
$323
This Kiwi.com deal was found by Cheapflights users on 10/1. 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.
Tue 2/167:40 pm -
2 stops16h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/1![Multiple Airlines logo]()
$333
This Kiwi.com deal was found by Cheapflights users on 10/2. 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 2/710:30 pm -
2 stops32h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/2![Multiple Airlines logo]()
$347
This Kiwi.com deal was found by Cheapflights users on 10/2. 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.
Tue 1/195:25 pm -
3 stops47h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/2![Multiple Airlines logo]()
$350
This Kiwi.com deal was found by Cheapflights users on 9/28. 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.
Tue 11/107:40 pm -
2 stops14h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![Multiple Airlines logo]()
$352
This Kiwi.com deal was found by Cheapflights users on 9/28. 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.
Sat 11/77:40 pm -
3 stops17h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![Multiple Airlines logo]()
$353
This eDestinos deal was found by Cheapflights users on 9/28. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/125:40 pm -
1 stop25h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![TAP AIR PORTUGAL logo]()
$356
This Booking.com deal was found by Cheapflights users on 9/30. 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 3/38:50 pm -
1 stop17h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![Aer Lingus logo]()
$361
This Kiwi.com deal was found by Cheapflights users on 10/1. 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 12/98:30 pm -
3 stops21h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/1![Multiple Airlines logo]()
$362
This Kiwi.com deal was found by Cheapflights users on 9/29. 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.
Tue 10/276:25 pm -
2 stops19h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/29![Multiple Airlines logo]()
$364
Find flight deals from Dulles Intl to Barcelona-El Prat
Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Barcelona-El Prat (BCN). 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 3, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $737 (FlightHub) |
One-way from | $320 (Kiwi.com) |
Popular in | July |
Cheapest in | January |
Average price | $878 |
Good round-trip deal | $1,219 or less |
Good one-way deal | $1,094 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Dulles Intl to Barcelona-El Prat 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 3, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Washington, D.C.Barcelona
IAD Washington, D.C. Dulles Intl - BCN Barcelona-El Prat
IADBCN
Washington, D.C. Dulles Intl
Sun 3/21
9:10 pm-9:25 pm
2 stops19h 15m
Barcelona-El Prat
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$384
Washington, D.C.Barcelona
IAD Washington, D.C. Dulles Intl - BCN Barcelona-El Prat
IADBCN
Washington, D.C. Dulles Intl
Sun 3/21
11:30 pm-11:45 pm
1 stop19h 15m
Barcelona-El Prat
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$405
Washington, D.C.Barcelona
IAD Washington, D.C. Dulles Intl - BCN Barcelona-El Prat
IADBCN
Washington, D.C. Dulles Intl
Sat 3/20
11:55 pm-11:20 am
2 stops30h 25m
Barcelona-El Prat
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$439
Washington, D.C.Barcelona
IAD Washington, D.C. Dulles Intl - BCN Barcelona-El Prat
IADBCN
Washington, D.C. Dulles Intl
Sat 3/20
6:15 pm-8:30 pm
1 stop21h 15m
Barcelona-El Prat
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$488
Quickest round-trip
Washington, D.C.Barcelona
IAD Washington, D.C. Dulles Intl - BCN Barcelona-El Prat
IADBCN
Washington, D.C. Dulles Intl
Sat 10/31
6:31 pm-4:40 pm
2 stops17h 09m
Barcelona-El Prat
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$588
Washington, D.C.Barcelona
IAD Washington, D.C. Dulles Intl - BCN Barcelona-El Prat
IADBCN
Washington, D.C. Dulles Intl
Tue 10/27
12:30 pm-4:40 pm
2 stops23h 10m
Barcelona-El Prat
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$588
Washington, D.C.Barcelona
IAD Washington, D.C. Dulles Intl - BCN Barcelona-El Prat
IADBCN
Washington, D.C. Dulles Intl
Thu 12/3
6:50 pm-9:00 am
Nonstop8h 10m
Barcelona-El Prat
Tue 12/8
6:50 am-8:05 pm
1 stop19h 15m
$1,243
Washington, D.C.Barcelona
IAD Washington, D.C. Dulles Intl - BCN Barcelona-El Prat
IADBCN
Washington, D.C. Dulles Intl
Mon 11/9
6:50 pm-9:00 am
Nonstop8h 10m
Barcelona-El Prat
Tue 11/17
6:20 am-5:00 pm
1 stop16h 40m
$1,293
Washington, D.C.Barcelona
IAD Washington, D.C. Dulles Intl - BCN Barcelona-El Prat
IADBCN
Washington, D.C. Dulles Intl
Wed 12/23
10:44 pm-8:20 am
1 stop27h 36m
Barcelona-El Prat
Wed 12/30
10:30 am-2:00 pm
Nonstop9h 30m
$1,362
Washington, D.C.Barcelona
IAD Washington, D.C. Dulles Intl - BCN Barcelona-El Prat
IADBCN
Washington, D.C. Dulles Intl
Sat 12/19
9:45 pm-4:00 pm
1 stop12h 15m
Barcelona-El Prat
Sat 1/9
12:30 pm-7:55 pm
1 stop13h 25m
$1,387
Showing 1-10 of 17 resultsSorted by cheapest first
Compare providers for flights from Dulles Intl to Barcelona-El Prat
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 Dulles Intl to Barcelona-El Prat in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Barcelona-El Prat Airport flights, users find the pricing of Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on Washington, D.C. Dulles Intl Airport-Barcelona-El Prat Airport flight deals on Cheapflights vs. Ovago >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Barcelona-El Prat Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Barcelona-El Prat Airport flights, Cheapflights users trust Ovago the most. Ovago 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 Washington, D.C. Dulles Intl Airport-Barcelona-El Prat 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 Dulles Intl to Barcelona-El Prat
Have a flexible travel schedule? Discover the best time to fly to Barcelona-El Prat from Dulles Intl with our price prediction graph.
IAD-BCN
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 Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport
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How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport?
The price you pay for your flight from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport may vary depending on when you book. For the best chance of a lower fare, look to book 3 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 Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport?
Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport (average of $577). Flying from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport in July is currently the most expensive (average of $1,202). 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 IAD to BCN?
Find hourly flight availability from Dulles Intl to Barcelona-El Prat. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 3, 2026.
When flying from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
What’s the top layover airport for flights from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport?
Share of 1-stop round-trip flights from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport chosen by Cheapflights users in the past 12 months, using the same layover each way.
Copenhagen (CPH) – chosen by Cheapflights users on 60% of 1-stop itineraries from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport on Cheapflights.
What’s the cheapest layover airport for flights from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport?
Average round-trip fare for 1-stop flights from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Lisbon (LIS) is the most affordable 1-stop option, with an average round-trip price of $728.
What’s the fastest layover option from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport?
Shortest average travel time for 1-stop one-way flights from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Dublin (DUB) have the shortest average one-way travel time for 1-stop routes: 11h 05m.
Which airport typically offers the quickest layover for flights from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport?
Average layover duration for 1-stop one-way flights from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Lisbon (LIS) offer the fastest connection on this route, with an average layover time of 1h 43m.
Reviews of airlines servicing Barcelona-El Prat
Get insights into the airlines that provide service to Barcelona-El Prat. 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 Barcelona-El Prat. Reviews last updated October 3, 2026.
Read reviews from past customers who have flown Turkish Airlines,United Airlines, andTAP AIR PORTUGAL from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat 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.
Overall
7.4
Boarding
7.3
Entertainment
7.5
Comfort
7.3
Crew
7.8
Food
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2026
SEA - IST
Overall
7.4
Boarding
7.3
Entertainment
7.5
Comfort
7.3
Crew
7.8
Food
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2026
SEA - IST
Overall
7.4
Boarding
7.3
Entertainment
7.5
Comfort
7.3
Crew
7.8
Food
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2026
SEA - IST
Overall
7.4
Boarding
7.3
Entertainment
7.5
Comfort
7.3
Crew
7.8
Food
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2026
SEA - IST
Overall
7.4
Boarding
7.3
Entertainment
7.5
Comfort
7.3
Crew
7.8
Food
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2026
SEA - IST
Overall
7.4
Boarding
7.3
Entertainment
7.5
Comfort
7.3
Crew
7.8
Food
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2026
SEA - IST
Related info for your journey
Find useful and relevant information for your journey from Dulles Intl to Barcelona-El Prat. 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 Barcelona-El Prat Airport?
Book flights to Barcelona-El Prat Airport if you plan to visit one of these locationsRoses
Calella
Badalona
L'Hospitalet de Llobregat
El Prat de Llobregat
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Dulles Intl and Barcelona-El Prat flights
Browse other Dulles Intl and Barcelona-El Prat flight options. Last updated on October 3, 2026.
Other flights from Dulles Intl
Browse through other flights departing from Dulles Intl. Flights are based on user searches made on Cheapflights and were last updated on October 3, 2026.
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Top 10 airlines flying from Dulles Intl to Barcelona-El Prat
Discover the top 10 airlines that operate flights from Dulles Intl to Barcelona-El Prat. 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 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$390 | Average$463 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$407 | Average$782 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$484 | Average$812 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$486 | Average$1,007 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$490 | Average$704 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$491 | Average$729 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$503 | Average$1,096 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$508 | Average$785 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$511 | Average$717 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$520 | Average$1,176 | FlexibilityNo cancel fee | On-time69% |