Cheap flights from Washington, D.C. to Barcelona from $242

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. to Barcelona departing on 10/21. 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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Icelandair Logo
7:40 pm - 1:20 pmBWI-BCN
11h 40m1 stop
Icelandair Logo
11:50 am - 6:40 pmBCN-BWI
12h 50m1 stop
$386Icelandair
Find Deal
Fri, Dec 12 - Sun, Dec 14
Icelandair Logo
11:35 pm - 2:45 pmBWI-BCN
33h 10m1 stop
Icelandair Logo
3:45 pm - 10:30 pmBCN-BWI
12h 45m1 stop
$388Icelandair
Find Deal
Sat, Apr 11 - Sat, Apr 18
United Airlines Logo
5:12 pm - 1:10 pmBWI-BCN
13h 58m1 stop
United Airlines Logo
1:35 pm - 5:14 pmBCN-BWI
33h 39m2 stops
$461United Airlines
Find Deal
Tue, Nov 11 - Tue, Nov 18
United Airlines Logo
10:20 am - 9:00 amBWI-BCN
16h 40m2 stops
United Airlines Logo
1:35 pm - 4:58 pmBCN-BWI
33h 23m2 stops
$465United Airlines
Find Deal
Tue, Dec 9 - Wed, Dec 17
TAP AIR PORTUGAL Logo
10:30 pm - 5:15 pmIAD-BCN
12h 45m1 stop
TAP AIR PORTUGAL Logo
2:35 pm - 9:00 pmBCN-IAD
12h 25m1 stop
$474TAP AIR PORTUGAL
Find Deal
Fri, Jan 9 - Wed, Jan 14
Delta Logo
12:16 pm - 8:40 amBWI-BCN
14h 24m1 stop
Delta Logo
10:55 am - 8:44 pmBCN-BWI
15h 49m1 stop
$475Delta
Find Deal
Sun, Nov 16 - Tue, Nov 25
Delta Logo
8:05 am - 8:40 amBWI-BCN
18h 35m1 stop
Delta Logo
10:55 am - 12:26 amBCN-BWI
19h 31m1 stop
$476Delta
Find Deal
Sun, Nov 16 - Tue, Nov 25
British Airways Logo
9:35 pm - 4:05 pmBWI-BCN
13h 30m1 stop
British Airways Logo
5:10 pm - 7:35 pmBCN-BWI
32h 25m1 stop
$482British Airways
Find Deal
Sun, Mar 15 - Tue, Mar 31
British Airways Logo
6:20 pm - 2:05 pmIAD-BCN
13h 45m1 stop
British Airways Logo
3:35 pm - 7:55 pmBCN-IAD
34h 20m1 stop
$484British Airways
Find Deal
Sun, Dec 28 - Thu, Jan 8
TAP AIR PORTUGAL Logo
5:30 pm - 10:05 amIAD-BCN
10h 35m1 stop
TAP AIR PORTUGAL Logo
6:05 pm - 2:35 pmBCN-IAD
26h 30m1 stop
$510TAP AIR PORTUGAL
Find Deal
Sat, Nov 15 - Mon, Nov 17

Icelandair flights from Washington, D.C. to Barcelona-El Prat Airport

Our best Icelandair deals on Washington, D.C. to Barcelona-El Prat Airport flight tickets
Icelandair
Dec 12
BWI7:40 pmBaltimore/Washington
11h 40m
1 stop
BCN1:20 pmBarcelona-El Prat
Dec 14
BCN11:50 amBarcelona-El Prat
12h 50m
1 stop
BWI6:40 pmBaltimore/Washington
Icelandair
Apr 11
BWI11:35 pmBaltimore/Washington
33h 10m
1 stop
BCN2:45 pmBarcelona-El Prat
Apr 18
BCN3:45 pmBarcelona-El Prat
12h 45m
1 stop
BWI10:30 pmBaltimore/Washington
Icelandair
Jan 11
BWI7:40 pmBaltimore/Washington
11h 40m
1 stop
BCN1:20 pmBarcelona-El Prat
May 2
BCN3:45 pmBarcelona-El Prat
12h 45m
1 stop
BWI10:30 pmBaltimore/Washington

United Airlines flights from Washington, D.C. to Barcelona-El Prat Airport

Our best United Airlines deals on Washington, D.C. to Barcelona-El Prat Airport flight tickets
United Airlines
Nov 11
BWI5:12 pmBaltimore/Washington
13h 58m
1 stop
BCN1:10 pmBarcelona-El Prat
Nov 18
BCN1:35 pmBarcelona-El Prat
33h 39m
2 stops
BWI5:14 pmBaltimore/Washington
United Airlines
Dec 9
BWI10:20 amBaltimore/Washington
16h 40m
2 stops
BCN9:00 amBarcelona-El Prat
Dec 17
BCN1:35 pmBarcelona-El Prat
33h 23m
2 stops
BWI4:58 pmBaltimore/Washington
United Airlines
Nov 16
IAD9:45 amWashington, D.C. Dulles Intl
17h 50m
1 stop
BCN9:35 amBarcelona-El Prat
Nov 25
BCN10:30 amBarcelona-El Prat
9h 30m
IAD2:00 pmWashington, D.C. Dulles Intl

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. 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 October 14, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Barcelona-El Prat Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BaltimoreBarcelona

BWI - BCN

BWIBCN

Baltimore/Washington

Fri 12/12

7:40 pm-1:20 pm

1 stop11h 40m

Barcelona-El Prat

Sun 12/14

11:50 am-6:40 pm

1 stop12h 50m

$386

BaltimoreBarcelona

BWI - BCN

BWIBCN

Baltimore/Washington

Sat 4/11

11:35 pm-2:45 pm

1 stop33h 10m

Barcelona-El Prat

Sat 4/18

3:45 pm-10:30 pm

1 stop12h 45m

$388

BaltimoreBarcelona

BWI - BCN

BWIBCN

Baltimore/Washington

Tue 11/11

5:12 pm-1:10 pm

1 stop13h 58m

Barcelona-El Prat

Tue 11/18

1:35 pm-5:14 pm

2 stops33h 39m

$461

BaltimoreBarcelona

BWI - BCN

BWIBCN

Baltimore/Washington

Tue 12/9

10:20 am-9:00 am

2 stops16h 40m

Barcelona-El Prat

Wed 12/17

1:35 pm-4:58 pm

2 stops33h 23m

$465

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Fri 1/9

10:30 pm-5:15 pm

1 stop12h 45m

Barcelona-El Prat

Wed 1/14

2:35 pm-9:00 pm

1 stop12h 25m

$474

BaltimoreBarcelona

BWI - BCN

BWIBCN

Baltimore/Washington

Sun 11/16

12:16 pm-8:40 am

1 stop14h 24m

Barcelona-El Prat

Tue 11/25

10:55 am-8:44 pm

1 stop15h 49m

$475

BaltimoreBarcelona

BWI - BCN

BWIBCN

Baltimore/Washington

Sun 11/16

8:05 am-8:40 am

1 stop18h 35m

Barcelona-El Prat

Tue 11/25

10:55 am-12:26 am

1 stop19h 31m

$476

BaltimoreBarcelona

BWI - BCN

BWIBCN

Baltimore/Washington

Sun 3/15

9:35 pm-4:05 pm

1 stop13h 30m

Barcelona-El Prat

Tue 3/31

5:10 pm-7:35 pm

1 stop32h 25m

$482

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Sun 12/28

6:20 pm-2:05 pm

1 stop13h 45m

Barcelona-El Prat

Thu 1/8

3:35 pm-7:55 pm

1 stop34h 20m

$484

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Sat 11/15

5:30 pm-10:05 am

1 stop10h 35m

Barcelona-El Prat

Mon 11/17

6:05 pm-2:35 pm

1 stop26h 30m

$510

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. 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 cheapest month to fly to Barcelona-El Prat Airport?

The cheapest month to fly to Barcelona-El Prat Airport from Washington, D.C. is in November. Flight prices, which tend to average around $637, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of November, then book flights to Barcelona-El Prat Airport from Washington, D.C. during January instead. Flights to Barcelona-El Prat Airport in January, while not as cheap as those in November, still average around $649.

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 Sunday when prices can be found for as low as $882. 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 $1,193. 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. in the morning is the least expensive time of day to depart. momondo users have found prices as low as $759 when looking at flights departing in the morning. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $1,108 on average. Flights to Barcelona-El Prat Airport from Washington, D.C. 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. to Barcelona-El Prat flight route?

Fly from Washington, D.C. Dulles Intl to Barcelona-El Prat for the best Washington, D.C. - 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. when booking weeks ahead of your departure date. In general, you can expect to find flights to Barcelona-El Prat Airport for around $796 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. for as low as $722 on momondo.

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

There are 3 cabin classes available to choose from on Washington, D.C. 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. to Barcelona-El Prat Airport flight prices changed over time?

As of October 2025, prices for Washington, D.C. to Barcelona-El Prat Airport flights are approximately 21% more expensive when compared to flights at the same time last year.

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

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. 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. to Barcelona-El Prat Airport (WAS to BCN) flight deals and tips

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

Best Price Found

$479

Fastest flight time

7h 45m

Direct flights

Every day
The best one-way flight to Barcelona-El Prat Airport from Washington, D.C. in the past 72 hours is $479. The best round-trip flight deal from Washington, D.C. to Barcelona-El Prat Airport found on momondo in the last 72 hours is $622.
The fastest flight from Washington, D.C. to Barcelona-El Prat Airport takes 7h 45m
Direct flights go from Washington, D.C. to Barcelona-El Prat Airport every day.
  • How far is Washington, D.C. to Barcelona-El Prat by plane?

    The straight-line distance from Washington, D.C. to Barcelona-El Prat is 4028.2 mi. A reasonable flight in good conditions will take 7h 50m.

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

    Prices for flights from Washington, D.C. to Barcelona-El Prat Airport refresh daily.

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

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

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

    The necessary travel and health documents for your Barcelona-El Prat Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

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

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

Compare and see reviews for airlines that fly from Washington, D.C. to Barcelona-El Prat Airport with momondo
Airline
Rating
Free Cancellation
Price
PLAYPriceFrom $325Free CancellationRating
7.0
103 reviews
Search PLAY flights
TAP AIR PORTUGALPriceFrom $375Free CancellationRating
7.1
2,015 reviews
Search TAP AIR PORTUGAL flights
IcelandairPriceFrom $385Free CancellationRating
7.0
556 reviews
Search Icelandair flights
Scandinavian AirlinesPriceFrom $409Free CancellationRating
7.4
1,531 reviews
Search Scandinavian Airlines flights
United AirlinesPriceFrom $468Free CancellationRating
7.4
8,975 reviews
Search United Airlines flights
DeltaPriceFrom $468Free CancellationRating
7.9
7,972 reviews
Search Delta flights
KLMPriceFrom $483Free CancellationRating
7.7
1,402 reviews
Search KLM flights
IberiaPriceFrom $483Free CancellationRating
7.0
2,988 reviews
Search Iberia flights
British AirwaysPriceFrom $498Free CancellationRating
6.7
7,454 reviews
Search British Airways flights
Air FrancePriceFrom $500Free CancellationRating
7.4
1,475 reviews
Search Air France flights
  • United Airlines Flights From Washington, D.C. to Barcelona-El Prat Airport

    The lowest priced United Airlines flight from Washington, D.C. to Barcelona-El Prat Airport from the last 72 hours was $468. Generally, United Airlines has 7 flights on this route every week with an average price of $937. United Airlines is rated 7.4/10 by our users.

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
Castelldefels
El Prat de Llobregat
L'Hospitalet de Llobregat
Tarragona
Santa Susanna
Cambrils
Cadaques
Empuriabrava
Badalona
Pineda de Mar
Calella
Roses
Pals
Malgrat de Mar
Palafrugell
Tortosa

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Barcelona from Washington, D.C..

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

Flights from Washington, D.C. to Barcelona with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search for Washington, D.C. to Barcelona flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes. momondo can track prices for Washington, D.C. to Barcelona flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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1 adult
Thu 11/13
Thu 11/20

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