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Cheap flights from Washington, D.C. Dulles Intl Airport to Barcelona from $220

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 4/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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.
TAP AIR PORTUGAL Logo
10:30 pm - 8:20 pm
IAD
-
BCN
15h 50m
1 stop
TAP AIR PORTUGAL Logo
9:10 pm - 3:15 pm
BCN
-
IAD
24h 05m
1 stop
$452TAP AIR PORTUGAL
Wed, Feb 18 - Wed, Feb 25
TAP AIR PORTUGAL Logo
5:30 pm - 10:05 am
IAD
-
BCN
10h 35m
1 stop
TAP AIR PORTUGAL Logo
9:10 pm - 2:35 pm
BCN
-
IAD
23h 25m
1 stop
$453TAP AIR PORTUGAL
Tue, Feb 17 - Mon, Mar 2
TAP AIR PORTUGAL Logo
10:30 pm - 8:20 pm
IAD
-
BCN
15h 50m
1 stop
TAP AIR PORTUGAL Logo
6:05 pm - 3:35 pm
BCN
-
IAD
26h 30m
1 stop
$471TAP AIR PORTUGAL
Sun, Feb 22 - Mon, Mar 9
TAP AIR PORTUGAL Logo
10:30 pm - 11:45 pm
IAD
-
BCN
19h 15m
1 stop
TAP AIR PORTUGAL Logo
6:05 pm - 4:15 pm
BCN
-
IAD
27h 10m
1 stop
$473TAP AIR PORTUGAL
Sun, Feb 22 - Sun, Mar 8
Scandinavian Airlines Logo
8:30 pm - 6:20 pm
IAD
-
BCN
15h 50m
1 stop
Scandinavian Airlines Logo
7:10 pm - 5:15 pm
BCN
-
IAD
28h 05m
1 stop
$474Scandinavian Airlines
Mon, Feb 16 - Wed, Feb 25
TAP AIR PORTUGAL Logo
5:30 pm - 11:45 am
IAD
-
BCN
12h 15m
1 stop
TAP AIR PORTUGAL Logo
6:45 am - 9:00 pm
BCN
-
IAD
20h 15m
1 stop
$475TAP AIR PORTUGAL
Tue, Feb 24 - Fri, Mar 6
Scandinavian Airlines Logo
8:20 pm - 6:10 pm
IAD
-
BCN
15h 50m
1 stop
Scandinavian Airlines Logo
9:45 am - 4:50 pm
BCN
-
IAD
13h 05m
1 stop
$476Scandinavian Airlines
Sat, Apr 11 - Sun, Apr 19
TAP AIR PORTUGAL Logo
10:30 pm - 11:45 pm
IAD
-
BCN
19h 15m
1 stop
TAP AIR PORTUGAL Logo
2:35 pm - 3:15 pm
BCN
-
IAD
30h 40m
1 stop
$481TAP AIR PORTUGAL
Sun, Feb 22 - Sun, Mar 1
Scandinavian Airlines Logo
8:20 pm - 11:00 am
IAD
-
BCN
32h 40m
2 stops
Scandinavian Airlines Logo
10:35 am - 4:50 pm
BCN
-
IAD
12h 15m
1 stop
$482Scandinavian Airlines
Thu, Apr 16 - Mon, Apr 20
TAP AIR PORTUGAL Logo
10:30 pm - 8:20 pm
IAD
-
BCN
15h 50m
1 stop
TAP AIR PORTUGAL Logo
6:45 am - 2:35 pm
BCN
-
IAD
13h 50m
1 stop
$483TAP AIR PORTUGAL
Wed, Feb 25 - Tue, Mar 3

TAP AIR PORTUGAL flights from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport

Our best TAP AIR PORTUGAL deals on Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport flight tickets
TAP AIR PORTUGAL
Feb 18
IAD10:30 pmWashington, D.C. Dulles Intl
15h 50m
1 stop
BCN8:20 pmBarcelona-El Prat
Feb 25
BCN9:10 pmBarcelona-El Prat
24h 05m
1 stop
IAD3:15 pmWashington, D.C. Dulles Intl
$452
TAP AIR PORTUGAL
Feb 17
IAD5:30 pmWashington, D.C. Dulles Intl
10h 35m
1 stop
BCN10:05 amBarcelona-El Prat
Mar 2
BCN9:10 pmBarcelona-El Prat
23h 25m
1 stop
IAD2:35 pmWashington, D.C. Dulles Intl
$453
TAP AIR PORTUGAL
Feb 22
IAD10:30 pmWashington, D.C. Dulles Intl
15h 50m
1 stop
BCN8:20 pmBarcelona-El Prat
Mar 9
BCN6:05 pmBarcelona-El Prat
26h 30m
1 stop
IAD3:35 pmWashington, D.C. Dulles Intl
$471

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
Feb 16
IAD8:30 pmWashington, D.C. Dulles Intl
15h 50m
1 stop
BCN6:20 pmBarcelona-El Prat
Feb 25
BCN7:10 pmBarcelona-El Prat
28h 05m
1 stop
IAD5:15 pmWashington, D.C. Dulles Intl
$474
Scandinavian Airlines
Apr 11
IAD8:20 pmWashington, D.C. Dulles Intl
15h 50m
1 stop
BCN6:10 pmBarcelona-El Prat
Apr 19
BCN9:45 amBarcelona-El Prat
13h 05m
1 stop
IAD4:50 pmWashington, D.C. Dulles Intl
$476
Scandinavian Airlines
Apr 16
IAD8:20 pmWashington, D.C. Dulles Intl
32h 40m
2 stops
BCN11:00 amBarcelona-El Prat
Apr 20
BCN10:35 amBarcelona-El Prat
12h 15m
1 stop
IAD4:50 pmWashington, D.C. Dulles Intl
$482

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 February 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

Price

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Wed 2/18

10:30 pm-8:20 pm

1 stop15h 50m

Barcelona-El Prat

Wed 2/25

9:10 pm-3:15 pm

1 stop24h 05m

$452

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Tue 2/17

5:30 pm-10:05 am

1 stop10h 35m

Barcelona-El Prat

Mon 3/2

9:10 pm-2:35 pm

1 stop23h 25m

$453

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Sun 2/22

10:30 pm-8:20 pm

1 stop15h 50m

Barcelona-El Prat

Mon 3/9

6:05 pm-3:35 pm

1 stop26h 30m

$471

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Sun 2/22

10:30 pm-11:45 pm

1 stop19h 15m

Barcelona-El Prat

Sun 3/8

6:05 pm-4:15 pm

1 stop27h 10m

$473

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Mon 2/16

8:30 pm-6:20 pm

1 stop15h 50m

Barcelona-El Prat

Wed 2/25

7:10 pm-5:15 pm

1 stop28h 05m

$474

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Tue 2/24

5:30 pm-11:45 am

1 stop12h 15m

Barcelona-El Prat

Fri 3/6

6:45 am-9:00 pm

1 stop20h 15m

$475

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Sat 4/11

8:20 pm-6:10 pm

1 stop15h 50m

Barcelona-El Prat

Sun 4/19

9:45 am-4:50 pm

1 stop13h 05m

$476

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Sun 2/22

10:30 pm-11:45 pm

1 stop19h 15m

Barcelona-El Prat

Sun 3/1

2:35 pm-3:15 pm

1 stop30h 40m

$481

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Thu 4/16

8:20 pm-11:00 am

2 stops32h 40m

Barcelona-El Prat

Mon 4/20

10:35 am-4:50 pm

1 stop12h 15m

$482

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Wed 2/25

10:30 pm-8:20 pm

1 stop15h 50m

Barcelona-El Prat

Tue 3/3

6:45 am-2:35 pm

1 stop13h 50m

$483

Flights are sorted by cheapest round-trip flights 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 $583, 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 $615.

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 $763. 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 $1,154. 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 $885 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 $1,002 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 $770 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 $553 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 February 2026, prices for Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport flights are approximately 2% more expensive 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

$744

Fastest flight time

7h 50m

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 $744. 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 $995.
The fastest flight from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport takes 7h 50m
Direct flights go from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport every day.
Search flight deals

  • 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 50m.

  • 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 $380Free CancellationRating
7.1
2,133 reviews
Search TAP AIR PORTUGAL flights
IcelandairPriceFrom $390Free CancellationRating
7.1
606 reviews
Search Icelandair flights
Scandinavian AirlinesPriceFrom $398Free CancellationRating
7.3
1,677 reviews
Search Scandinavian Airlines flights
Air FrancePriceFrom $461Free CancellationRating
7.4
1,531 reviews
Search Air France flights
DeltaPriceFrom $468Free CancellationRating
7.9
8,142 reviews
Search Delta flights
United AirlinesPriceFrom $489Free CancellationRating
7.4
9,235 reviews
Search United Airlines flights
British AirwaysPriceFrom $498Free CancellationRating
6.7
7,714 reviews
Search British Airways flights
LufthansaPriceFrom $499Free CancellationRating
6.8
7,759 reviews
Search Lufthansa flights
American AirlinesPriceFrom $511Free CancellationRating
7.2
11,218 reviews
Search American Airlines flights
ITA AirwaysPriceFrom $514Free CancellationRating
6.7
1,144 reviews
Search ITA Airways flights

Traveling to a place near Barcelona?

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

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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