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Cheap flights from Washington, D.C. Dulles Intl Airport to Barcelona from $416

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 7/25. 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
1 adult, Economy, 0 bags

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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.
British Airways Logo
10:25 pm - 6:35 pm
IAD
-
BCN
14h 10m
1 stop
British Airways Logo
10:10 am - 10:51 pm
BCN
-
IAD
18h 41m
2 stops
$848British Airways
Sat, Sep 19 - Sat, Sep 26
Multiple Airlines Logo
5:15 pm - 12:00 pm
IAD
-
BCN
12h 45m
2 stops
Multiple Airlines Logo
11:30 am - 7:30 pm
BCN
-
IAD
14h 00m
1 stop
$849Multiple Airlines
Tue, Oct 20 - Mon, Nov 2
Multiple Airlines Logo
4:20 pm - 1:15 am
IAD
-
BCN
26h 55m
2 stops
Multiple Airlines Logo
5:45 pm - 3:10 pm
BCN
-
IAD
27h 25m
1 stop
$851Multiple Airlines
Mon, Jul 20 - Tue, Jul 28
British Airways Logo
9:30 pm - 3:40 pm
IAD
-
BCN
12h 10m
1 stop
British Airways Logo
2:05 pm - 8:20 pm
BCN
-
IAD
12h 15m
1 stop
$852British Airways
Sat, Aug 29 - Wed, Sep 30
Multiple Airlines Logo
10:14 pm - 10:05 am
IAD
-
BCN
29h 51m
2 stops
Multiple Airlines Logo
11:25 am - 3:24 pm
BCN
-
IAD
33h 59m
2 stops
$853Multiple Airlines
Wed, Jul 8 - Thu, Jul 23
Multiple Airlines Logo
5:40 pm - 9:25 pm
IAD
-
BCN
21h 45m
2 stops
Multiple Airlines Logo
10:00 pm - 3:10 pm
BCN
-
IAD
23h 10m
2 stops
$856Multiple Airlines
Mon, Sep 28 - Mon, Oct 12
Multiple Airlines Logo
10:14 pm - 10:05 am
IAD
-
BCN
29h 51m
2 stops
Multiple Airlines Logo
11:25 am - 3:01 pm
BCN
-
IAD
33h 36m
3 stops
$857Multiple Airlines
Wed, Jul 8 - Thu, Jul 23
TAP AIR PORTUGAL Logo
5:05 pm - 10:35 am
IAD
-
BCN
11h 30m
1 stop
TAP AIR PORTUGAL Logo
3:00 pm - 8:35 pm
BCN
-
IAD
11h 35m
1 stop
$858TAP AIR PORTUGAL
Tue, Jul 14 - Fri, Jul 17
Scandinavian Airlines Logo
12:29 pm - 6:10 pm
IAD
-
BCN
23h 41m
2 stops
Scandinavian Airlines Logo
7:00 pm - 5:00 pm
BCN
-
IAD
28h 00m
1 stop
$859Scandinavian Airlines
Sat, Aug 15 - Sun, Aug 23
Multiple Airlines Logo
8:55 pm - 4:10 pm
IAD
-
BCN
13h 15m
2 stops
Multiple Airlines Logo
11:00 am - 7:25 pm
BCN
-
IAD
14h 25m
1 stop
$860Multiple Airlines
Sun, Sep 20 - Fri, Sep 25

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
Aug 15
IAD12:29 pmWashington, D.C. Dulles Intl
23h 41m
2 stops
BCN6:10 pmBarcelona-El Prat
Aug 23
BCN7:00 pmBarcelona-El Prat
28h 00m
1 stop
IAD5:00 pmWashington, D.C. Dulles Intl
$859
Scandinavian Airlines
Sep 22
IAD12:25 pmWashington, D.C. Dulles Intl
23h 45m
2 stops
BCN6:10 pmBarcelona-El Prat
Oct 6
BCN6:45 pmBarcelona-El Prat
28h 15m
2 stops
IAD5:00 pmWashington, D.C. Dulles Intl
$881
Scandinavian Airlines
Oct 10
IAD8:20 pmWashington, D.C. Dulles Intl
15h 50m
1 stop
BCN6:10 pmBarcelona-El Prat
Oct 23
BCN9:50 pmBarcelona-El Prat
25h 10m
2 stops
IAD5:00 pmWashington, D.C. Dulles Intl
$897

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
Jul 14
IAD5:05 pmWashington, D.C. Dulles Intl
11h 30m
1 stop
BCN10:35 amBarcelona-El Prat
Jul 17
BCN3:00 pmBarcelona-El Prat
11h 35m
1 stop
IAD8:35 pmWashington, D.C. Dulles Intl
$858
TAP AIR PORTUGAL
Aug 1
IAD10:35 pmWashington, D.C. Dulles Intl
20h 55m
1 stop
BCN1:30 amBarcelona-El Prat
Aug 12
BCN6:00 amBarcelona-El Prat
20h 35m
1 stop
IAD8:35 pmWashington, D.C. Dulles Intl
$861
TAP AIR PORTUGAL
Jul 18
IAD10:35 pmWashington, D.C. Dulles Intl
14h 50m
1 stop
BCN7:25 pmBarcelona-El Prat
Jul 22
BCN10:40 pmBarcelona-El Prat
22h 30m
1 stop
IAD3:10 pmWashington, D.C. Dulles Intl
$862

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 June 5, 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

Sat 9/19

10:25 pm-6:35 pm

1 stop14h 10m

Barcelona-El Prat

Sat 9/26

10:10 am-10:51 pm

2 stops18h 41m

$848

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Tue 10/20

5:15 pm-12:00 pm

2 stops12h 45m

Barcelona-El Prat

Mon 11/2

11:30 am-7:30 pm

1 stop14h 00m

$849

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Mon 7/20

4:20 pm-1:15 am

2 stops26h 55m

Barcelona-El Prat

Tue 7/28

5:45 pm-3:10 pm

1 stop27h 25m

$851

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Sat 8/29

9:30 pm-3:40 pm

1 stop12h 10m

Barcelona-El Prat

Wed 9/30

2:05 pm-8:20 pm

1 stop12h 15m

$852

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Wed 7/8

10:14 pm-10:05 am

2 stops29h 51m

Barcelona-El Prat

Thu 7/23

11:25 am-3:24 pm

2 stops33h 59m

$853

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Mon 9/28

5:40 pm-9:25 pm

2 stops21h 45m

Barcelona-El Prat

Mon 10/12

10:00 pm-3:10 pm

2 stops23h 10m

$856

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Wed 7/8

10:14 pm-10:05 am

2 stops29h 51m

Barcelona-El Prat

Thu 7/23

11:25 am-3:01 pm

3 stops33h 36m

$857
Quickest round-trip

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Tue 7/14

5:05 pm-10:35 am

1 stop11h 30m

Barcelona-El Prat

Fri 7/17

3:00 pm-8:35 pm

1 stop11h 35m

$858

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Sat 8/15

12:29 pm-6:10 pm

2 stops23h 41m

Barcelona-El Prat

Sun 8/23

7:00 pm-5:00 pm

1 stop28h 00m

$859

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Sun 9/20

8:55 pm-4:10 pm

2 stops13h 15m

Barcelona-El Prat

Fri 9/25

11:00 am-7:25 pm

1 stop14h 25m

$860

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 $569, 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 $740. 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 $1,199. 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 $893 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 $991 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 from Washington, D.C. Dulles Intl Airport 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 $787 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 $703 on momondo.

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

There are 3 cabin classes available to choose from on Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport 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 June 2026, prices for Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport flights are approximately 6% 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

$893

Fastest flight time

7h 45m

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 $893. 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 $1,215.
The fastest flight from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport takes 7h 45m
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 45m.

  • 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 $388Free CancellationRating
7.2
2,272 reviews
Search TAP AIR PORTUGAL flights
IcelandairPriceFrom $389Free CancellationRating
7.0
665 reviews
Search Icelandair flights
SWISSPriceFrom $479Free CancellationRating
7.5
1,964 reviews
Search SWISS flights
DeltaPriceFrom $484Free CancellationRating
7.8
8,399 reviews
Search Delta flights
United AirlinesPriceFrom $488Free CancellationRating
7.4
9,781 reviews
Search United Airlines flights
American AirlinesPriceFrom $488Free CancellationRating
7.1
11,655 reviews
Search American Airlines flights
Scandinavian AirlinesPriceFrom $490Free CancellationRating
7.3
1,807 reviews
Search Scandinavian Airlines flights
British AirwaysPriceFrom $498Free CancellationRating
6.7
8,028 reviews
Search British Airways flights
LufthansaPriceFrom $499Free CancellationRating
6.8
8,038 reviews
Search Lufthansa flights
Air FrancePriceFrom $500Free CancellationRating
7.4
1,596 reviews
Search Air France 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 9,781 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 $488 (round-trip), much lower than the average airfare cost of $884 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
Cadaques
Badalona
Santa Susanna
Empuriabrava
Pineda de Mar
Calella de Palafrugell
Pals
Palafrugell
Roses
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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