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Cheap flights from Washington, D.C. Dulles Intl Airport to Barcelona from $412

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Dulles Intl Airport to Barcelona departing on 5/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Barcelona

Cheap round-trip flights

Enter your travel dates to find the best prices.
Turkish Airlines Logo
9:45 pm - 1:30 pm
IAD
-
BCN
33h 45m
1 stop
Turkish Airlines Logo
12:10 pm - 11:45 am
BCN
-
IAD
29h 35m
1 stop
$666Turkish Airlines
Tue, Sep 1 - Sat, Dec 19
Aer Lingus Logo
8:55 pm - 10:30 pm
IAD
-
BCN
19h 35m
1 stop
Aer Lingus Logo
11:10 pm - 3:45 pm
BCN
-
IAD
22h 35m
1 stop
$671Aer Lingus
Fri, May 1 - Tue, May 12
Aer Lingus Logo
8:55 pm - 10:30 pm
IAD
-
BCN
19h 35m
1 stop
Aer Lingus Logo
11:10 pm - 3:45 pm
BCN
-
IAD
22h 35m
1 stop
$672Aer Lingus
Fri, May 1 - Wed, May 13
Aer Lingus Logo
8:55 pm - 10:30 pm
IAD
-
BCN
19h 35m
1 stop
Aer Lingus Logo
11:10 pm - 3:45 pm
BCN
-
IAD
22h 35m
1 stop
$673Aer Lingus
Fri, May 8 - Mon, May 11
Turkish Airlines Logo
9:45 pm - 11:15 pm
IAD
-
BCN
19h 30m
1 stop
Turkish Airlines Logo
2:35 pm - 11:35 am
BCN
-
IAD
27h 00m
1 stop
$675Turkish Airlines
Fri, Oct 9 - Mon, Oct 12
TAP AIR PORTUGAL Logo
10:35 pm - 4:55 pm
IAD
-
BCN
12h 20m
1 stop
TAP AIR PORTUGAL Logo
3:00 pm - 8:35 pm
BCN
-
IAD
11h 35m
1 stop
$676TAP AIR PORTUGAL
Sun, Aug 16 - Thu, Aug 27
Aer Lingus Logo
9:05 pm - 10:30 pm
IAD
-
BCN
19h 25m
1 stop
Aer Lingus Logo
11:10 pm - 3:45 pm
BCN
-
IAD
22h 35m
1 stop
$677Aer Lingus
Tue, May 5 - Wed, May 13
Turkish Airlines Logo
1:20 pm - 10:45 am
IAD
-
BCN
15h 25m
1 stop
Turkish Airlines Logo
12:10 pm - 11:35 am
BCN
-
IAD
29h 25m
1 stop
$680Turkish Airlines
Fri, Oct 9 - Tue, Oct 20
Turkish Airlines Logo
1:20 pm - 1:30 pm
IAD
-
BCN
18h 10m
1 stop
Turkish Airlines Logo
7:10 pm - 11:35 am
BCN
-
IAD
22h 25m
1 stop
$682Turkish Airlines
Fri, Oct 9 - Mon, Oct 12
Turkish Airlines Logo
1:20 pm - 5:40 pm
IAD
-
BCN
22h 20m
1 stop
Turkish Airlines Logo
7:40 am - 11:35 am
BCN
-
IAD
33h 55m
1 stop
$683Turkish Airlines
Wed, Aug 26 - Wed, Sep 2

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Scandinavian Airlines flights from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport

Our best Scandinavian Airlines deals on Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport flight tickets
Scandinavian Airlines
Apr 27
IAD8:20 pmWashington, D.C. Dulles Intl
15h 50m
1 stop
BCN6:10 pmBarcelona-El Prat
May 2
BCN7:00 pmBarcelona-El Prat
28h 00m
1 stop
IAD5:00 pmWashington, D.C. Dulles Intl
$681
Scandinavian Airlines
May 4
IAD12:45 pmWashington, D.C. Dulles Intl
23h 25m
2 stops
BCN6:10 pmBarcelona-El Prat
May 15
BCN11:50 amBarcelona-El Prat
35h 10m
2 stops
IAD5:00 pmWashington, D.C. Dulles Intl
$686
Scandinavian Airlines
Apr 27
IAD8:20 pmWashington, D.C. Dulles Intl
15h 50m
1 stop
BCN6:10 pmBarcelona-El Prat
May 7
BCN7:00 pmBarcelona-El Prat
28h 00m
1 stop
IAD5:00 pmWashington, D.C. Dulles Intl
$704

Royal Air Maroc flights from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport

Our best Royal Air Maroc deals on Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport flight tickets
Royal Air Maroc
May 4
IAD9:00 pmWashington, D.C. Dulles Intl
16h 10m
1 stop
BCN7:10 pmBarcelona-El Prat
May 11
BCN1:45 pmBarcelona-El Prat
11h 15m
1 stop
IAD7:00 pmWashington, D.C. Dulles Intl
$710
Royal Air Maroc
Oct 4
IAD9:00 pmWashington, D.C. Dulles Intl
16h 10m
1 stop
BCN7:10 pmBarcelona-El Prat
Oct 11
BCN1:45 pmBarcelona-El Prat
11h 15m
1 stop
IAD7:00 pmWashington, D.C. Dulles Intl
$718
Royal Air Maroc
Oct 9
IAD9:00 pmWashington, D.C. Dulles Intl
16h 10m
1 stop
BCN7:10 pmBarcelona-El Prat
Oct 24
BCN8:10 pmBarcelona-El Prat
29h 35m
1 stop
IAD7:45 pmWashington, D.C. Dulles Intl
$732

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport 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, momondo users made 832,500 searches. Data last updated April 18, 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

Price

Cheapest round-trip

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Tue 9/1

9:45 pm-1:30 pm

1 stop33h 45m

Barcelona-El Prat

Sat 12/19

12:10 pm-11:45 am

1 stop29h 35m

$666

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Fri 5/1

8:55 pm-10:30 pm

1 stop19h 35m

Barcelona-El Prat

Tue 5/12

11:10 pm-3:45 pm

1 stop22h 35m

$671

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Fri 5/1

8:55 pm-10:30 pm

1 stop19h 35m

Barcelona-El Prat

Wed 5/13

11:10 pm-3:45 pm

1 stop22h 35m

$672

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Fri 5/8

8:55 pm-10:30 pm

1 stop19h 35m

Barcelona-El Prat

Mon 5/11

11:10 pm-3:45 pm

1 stop22h 35m

$673

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Fri 10/9

9:45 pm-11:15 pm

1 stop19h 30m

Barcelona-El Prat

Mon 10/12

2:35 pm-11:35 am

1 stop27h 00m

$675
Quickest round-trip

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Sun 8/16

10:35 pm-4:55 pm

1 stop12h 20m

Barcelona-El Prat

Thu 8/27

3:00 pm-8:35 pm

1 stop11h 35m

$676

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Tue 5/5

9:05 pm-10:30 pm

1 stop19h 25m

Barcelona-El Prat

Wed 5/13

11:10 pm-3:45 pm

1 stop22h 35m

$677

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Fri 10/9

1:20 pm-10:45 am

1 stop15h 25m

Barcelona-El Prat

Tue 10/20

12:10 pm-11:35 am

1 stop29h 25m

$680

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Fri 10/9

1:20 pm-1:30 pm

1 stop18h 10m

Barcelona-El Prat

Mon 10/12

7:10 pm-11:35 am

1 stop22h 25m

$682

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Wed 8/26

1:20 pm-5:40 pm

1 stop22h 20m

Barcelona-El Prat

Wed 9/2

7:40 am-11:35 am

1 stop33h 55m

$683

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Washington, D.C. Dulles Intl Airport and Barcelona-El Prat Airport?

What is the cheapest month to fly to Barcelona-El Prat Airport?

The cheapest month to fly to Barcelona-El Prat Airport from Washington, D.C. Dulles Intl Airport is in February. Flight prices, which tend to average around $554, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of February, then book flights to Barcelona-El Prat Airport from Washington, D.C. Dulles Intl Airport during January instead. Flights to Barcelona-El Prat Airport in January, while not as cheap as those in February, still average around $614.

What is the cheapest day to depart on your flight to Barcelona-El Prat Airport?

The cheapest day to depart on your flight to Barcelona-El Prat Airport is on a Monday when prices can be found for as low as $742. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $1,130. These prices are subject to change though, so be sure to set up a Price Alert for flights to Barcelona-El Prat Airport.

What is the cheapest time of day to depart on your flight to Barcelona-El Prat Airport?

Flying to Barcelona-El Prat Airport from Washington, D.C. Dulles Intl Airport in the evening is the least expensive time of day to depart. momondo users have found prices as low as $882 when looking at flights departing in the evening. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $940 on average. Flights to Barcelona-El Prat Airport from Washington, D.C. Dulles Intl Airport in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Washington, D.C. Dulles Intl to Barcelona-El Prat flight route?

Fly from Washington, D.C. Dulles Intl to Barcelona-El Prat for the best Washington, D.C. Dulles Intl - Barcelona-El Prat flight prices

How far in advance should I book a flight to Barcelona-El Prat Airport?

You are more likely to see cheaper flights to Barcelona-El Prat Airport from Washington, D.C. Dulles Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Barcelona-El Prat Airport for around $768 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Barcelona-El Prat Airport from Washington, D.C. Dulles Intl Airport for as low as $686 on momondo.

What cabin class options are available on Washington, D.C. Dulles Intl to Barcelona-El Prat flights?

There are 3 cabin classes available to choose from on Washington, D.C. Dulles Intl to Barcelona-El Prat flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport flight prices changed over time?

As of April 2026, prices for Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport flights are approximately 9% cheaper when compared to flights at the same time last year.

When to book flights from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport (IAD to BCN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport

Best Price Found

$884

Fastest flight time

7h 55m

Direct flights

Every day
The best one-way flight to Barcelona-El Prat Airport from Washington, D.C. Dulles Intl Airport in the past 72 hours is $884. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport found on momondo in the last 72 hours is $1,385.
The fastest flight from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport takes 7h 55m
Direct flights go from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport every day.
Search flight deals

Frequently asked questions about flying from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport

  • How far is Washington, D.C. Dulles Intl to Barcelona-El Prat by plane?

    A flight from Washington, D.C. Dulles Intl to Barcelona-El Prat will travel around 4046.0 mi. A reasonable flight in good conditions will take 7h 55m.

  • When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport?

    Prices for flights from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport?

  • How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport.

  • What documentation or ID do you need to fly to Barcelona-El Prat Airport?

    The travel and health documents you'll need for your trip to Barcelona-El Prat Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Barcelona-El Prat Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport?

  • What is the most popular airline from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport?

Best airlines flying from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport with momondo
Airline
Rating
Free Cancellation
Price
TAP AIR PORTUGALPriceFrom $386Free CancellationRating
7.1
2,210 reviews
Search TAP AIR PORTUGAL flights
IcelandairPriceFrom $389Free CancellationRating
7.0
636 reviews
Search Icelandair flights
Air FrancePriceFrom $461Free CancellationRating
7.4
1,572 reviews
Search Air France flights
DeltaPriceFrom $468Free CancellationRating
7.9
8,424 reviews
Search Delta flights
SWISSPriceFrom $479Free CancellationRating
7.6
1,923 reviews
Search SWISS flights
American AirlinesPriceFrom $488Free CancellationRating
7.1
11,617 reviews
Search American Airlines flights
United AirlinesPriceFrom $489Free CancellationRating
7.4
9,605 reviews
Search United Airlines flights
Scandinavian AirlinesPriceFrom $490Free CancellationRating
7.3
1,751 reviews
Search Scandinavian Airlines flights
British AirwaysPriceFrom $498Free CancellationRating
6.7
7,891 reviews
Search British Airways flights
LufthansaPriceFrom $499Free CancellationRating
6.8
7,930 reviews
Search Lufthansa flights

  • United Airlines Flights From Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport

    United Airlines flies from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport around 7 times per week, with 9,605 momondo users rating the airline 7.4/10. The cheapest United Airlines deal from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport in the last 72 hours was $489 (round-trip), much lower than the average airfare cost of $888 for United Airlines flights on this route.

Traveling to a place near Barcelona?

Book flights to Barcelona if you plan to visit one of these locations
Lloret de Mar
Salou
Sitges
Tossa de Mar
Castelldefels
Tarragona
El Prat de Llobregat
L'Hospitalet de Llobregat
Calella
Cambrils
Santa Susanna
Cadaques
Badalona
Pals
Pineda de Mar
Empuriabrava
Roses
Palafrugell
Calella de Palafrugell
Malgrat de Mar

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Barcelona?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Washington, D.C. to Barcelona for you.

Can I find flights from Washington, D.C. to Barcelona with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Washington, D.C. to Barcelona flights to just show those with flexible booking policies.

How can momondo help me find flights from Washington, D.C. to Barcelona?

Once all potential Washington, D.C. to Barcelona flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Washington, D.C. to Barcelona right now. Can momondo alert me if prices change?

Price alerts on flights to Barcelona from Washington, D.C. are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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