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Cheap flights from Barcelona-El Prat Airport to Washington, D.C. from $368

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Barcelona-El Prat Airport to Washington, D.C. departing on 4/22. 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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ITA Airways Logo
6:20 am - 2:30 pm
BCN
-
IAD
14h 10m
1 stop
ITA Airways Logo
4:30 pm - 10:50 am
IAD
-
BCN
12h 20m
1 stop
$497ITA Airways
vie., abr. 17 - mar., abr. 21
ITA Airways Logo
6:20 am - 2:30 pm
BCN
-
IAD
14h 10m
1 stop
ITA Airways Logo
4:30 pm - 10:50 am
IAD
-
BCN
12h 20m
1 stop
$499ITA Airways
mar., abr. 28 - mar., may. 5
British Airways Logo
10:10 am - 5:25 pm
BCN
-
IAD
13h 15m
1 stop
British Airways Logo
10:25 pm - 7:35 pm
IAD
-
BCN
15h 10m
1 stop
$519British Airways
sáb., may. 2 - jue., may. 7
British Airways Logo
10:15 am - 8:10 pm
BCN
-
IAD
15h 55m
1 stop
British Airways Logo
5:35 pm - 11:05 am
IAD
-
BCN
11h 30m
1 stop
$522British Airways
jue., abr. 30 - jue., may. 7
TAP AIR PORTUGAL Logo
3:00 pm - 8:35 pm
BCN
-
IAD
11h 35m
1 stop
TAP AIR PORTUGAL Logo
10:35 pm - 1:30 am
IAD
-
BCN
20h 55m
1 stop
$524TAP AIR PORTUGAL
jue., abr. 23 - lun., abr. 27
British Airways Logo
12:00 pm - 8:20 pm
BCN
-
IAD
14h 20m
1 stop
British Airways Logo
10:25 pm - 6:20 pm
IAD
-
BCN
13h 55m
1 stop
$526British Airways
vie., may. 1 - jue., may. 7
TAP AIR PORTUGAL Logo
6:00 am - 3:10 pm
BCN
-
IAD
15h 10m
1 stop
TAP AIR PORTUGAL Logo
10:35 pm - 9:50 pm
IAD
-
BCN
17h 15m
1 stop
$527TAP AIR PORTUGAL
mar., abr. 14 - dom., abr. 19
TAP AIR PORTUGAL Logo
6:00 am - 3:10 pm
BCN
-
IAD
15h 10m
1 stop
TAP AIR PORTUGAL Logo
10:35 pm - 7:25 pm
IAD
-
BCN
14h 50m
1 stop
$531TAP AIR PORTUGAL
jue., abr. 30 - sáb., may. 2
British Airways Logo
7:40 am - 3:45 pm
BCN
-
IAD
14h 05m
1 stop
British Airways Logo
5:35 pm - 2:15 pm
IAD
-
BCN
14h 40m
1 stop
$533British Airways
sáb., may. 2 - dom., may. 3
British Airways Logo
10:10 am - 8:20 pm
BCN
-
IAD
16h 10m
1 stop
British Airways Logo
5:35 pm - 12:20 pm
IAD
-
BCN
12h 45m
1 stop
$544British Airways
sáb., may. 2 - vie., may. 8

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

Our best Icelandair deals on Barcelona-El Prat Airport to Washington, D.C. Dulles Intl Airport flight tickets
Icelandair
Apr 19
BCN3:45 pmBarcelona-El Prat
33h 35m
1 stop
IAD7:20 pmWashington, D.C. Dulles Intl
Apr 26
IAD8:30 pmWashington, D.C. Dulles Intl
12h 15m
1 stop
BCN2:45 pmBarcelona-El Prat
$592
Icelandair
May 31
BCN5:30 pmBarcelona-El Prat
31h 50m
1 stop
IAD7:20 pmWashington, D.C. Dulles Intl
Aug 28
IAD8:30 pmWashington, D.C. Dulles Intl
12h 15m
1 stop
BCN2:45 pmBarcelona-El Prat
$609
Icelandair
May 8
BCN3:45 pmBarcelona-El Prat
12h 30m
1 stop
IAD10:15 pmWashington, D.C. Dulles Intl
May 15
IAD8:30 pmWashington, D.C. Dulles Intl
12h 15m
1 stop
BCN2:45 pmBarcelona-El Prat
$614

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

Our best TAP AIR PORTUGAL deals on Barcelona-El Prat Airport to Washington, D.C. Dulles Intl Airport flight tickets
TAP AIR PORTUGAL
Apr 23
BCN3:00 pmBarcelona-El Prat
11h 35m
1 stop
IAD8:35 pmWashington, D.C. Dulles Intl
Apr 27
IAD10:35 pmWashington, D.C. Dulles Intl
20h 55m
1 stop
BCN1:30 amBarcelona-El Prat
$524
TAP AIR PORTUGAL
Apr 14
BCN6:00 amBarcelona-El Prat
15h 10m
1 stop
IAD3:10 pmWashington, D.C. Dulles Intl
Apr 19
IAD10:35 pmWashington, D.C. Dulles Intl
17h 15m
1 stop
BCN9:50 pmBarcelona-El Prat
$527
TAP AIR PORTUGAL
Apr 30
BCN6:00 amBarcelona-El Prat
15h 10m
1 stop
IAD3:10 pmWashington, D.C. Dulles Intl
May 2
IAD10:35 pmWashington, D.C. Dulles Intl
14h 50m
1 stop
BCN7:25 pmBarcelona-El Prat
$531

momondo Fare Finder

 
Customize your flight search to find flights from Barcelona-El Prat Airport to Washington, D.C. Dulles Intl 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 marzo 25, 2026.
Use the filters below to find and compare flights from Barcelona-El Prat Airport to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

BarcelonaWashington, D.C.

BCN - IAD

BCNIAD

Barcelona-El Prat

vie. 4/17

6:20 am-2:30 pm

1 stop14h 10m

Washington, D.C. Dulles Intl

mar. 4/21

4:30 pm-10:50 am

1 stop12h 20m

$497

BarcelonaWashington, D.C.

BCN - IAD

BCNIAD

Barcelona-El Prat

mar. 4/28

6:20 am-2:30 pm

1 stop14h 10m

Washington, D.C. Dulles Intl

mar. 5/5

4:30 pm-10:50 am

1 stop12h 20m

$499

BarcelonaWashington, D.C.

BCN - IAD

BCNIAD

Barcelona-El Prat

sáb. 5/2

10:10 am-5:25 pm

1 stop13h 15m

Washington, D.C. Dulles Intl

jue. 5/7

10:25 pm-7:35 pm

1 stop15h 10m

$519

BarcelonaWashington, D.C.

BCN - IAD

BCNIAD

Barcelona-El Prat

jue. 4/30

10:15 am-8:10 pm

1 stop15h 55m

Washington, D.C. Dulles Intl

jue. 5/7

5:35 pm-11:05 am

1 stop11h 30m

$522

BarcelonaWashington, D.C.

BCN - IAD

BCNIAD

Barcelona-El Prat

jue. 4/23

3:00 pm-8:35 pm

1 stop11h 35m

Washington, D.C. Dulles Intl

lun. 4/27

10:35 pm-1:30 am

1 stop20h 55m

$524

BarcelonaWashington, D.C.

BCN - IAD

BCNIAD

Barcelona-El Prat

vie. 5/1

12:00 pm-8:20 pm

1 stop14h 20m

Washington, D.C. Dulles Intl

jue. 5/7

10:25 pm-6:20 pm

1 stop13h 55m

$526

BarcelonaWashington, D.C.

BCN - IAD

BCNIAD

Barcelona-El Prat

mar. 4/14

6:00 am-3:10 pm

1 stop15h 10m

Washington, D.C. Dulles Intl

dom. 4/19

10:35 pm-9:50 pm

1 stop17h 15m

$527

BarcelonaWashington, D.C.

BCN - IAD

BCNIAD

Barcelona-El Prat

jue. 4/30

6:00 am-3:10 pm

1 stop15h 10m

Washington, D.C. Dulles Intl

sáb. 5/2

10:35 pm-7:25 pm

1 stop14h 50m

$531

BarcelonaWashington, D.C.

BCN - IAD

BCNIAD

Barcelona-El Prat

sáb. 5/2

7:40 am-3:45 pm

1 stop14h 05m

Washington, D.C. Dulles Intl

dom. 5/3

5:35 pm-2:15 pm

1 stop14h 40m

$533

BarcelonaWashington, D.C.

BCN - IAD

BCNIAD

Barcelona-El Prat

sáb. 5/2

10:10 am-8:20 pm

1 stop16h 10m

Washington, D.C. Dulles Intl

vie. 5/8

5:35 pm-12:20 pm

1 stop12h 45m

$544

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 Barcelona-El Prat Airport to Washington, D.C. Dulles Intl 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 Washington, D.C. Dulles Intl Airport?

In general, February is the cheapest month to fly from Barcelona-El Prat Airport to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $463. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of February, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $603.

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Our data shows that Thursday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $778. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Barcelona-El Prat Airport to Washington, D.C. Dulles Intl Airport for around $1,070.

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

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

How far in advance should I book a flight to Washington, D.C. Dulles Intl Airport?

You are more likely to see cheaper flights to Washington, D.C. Dulles Intl Airport from Barcelona-El Prat Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Dulles Intl Airport for around $690 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Dulles Intl Airport from Barcelona-El Prat Airport for as low as $536 on momondo.

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

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

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

As of March 2026, prices for Barcelona-El Prat Airport to Washington, D.C. Dulles Intl Airport flights are approximately 6% more expensive when compared to flights at the same time last year.

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

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

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

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

Best Price Found

$725

Fastest flight time

8h 50m

Direct flights

Every day
The best one-way flight to Washington, D.C. Dulles Intl Airport from Barcelona-El Prat Airport in the past 72 hours is $725. The best round-trip flight deal from Barcelona-El Prat Airport to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $769.
The fastest flight from Barcelona-El Prat Airport to Washington, D.C. Dulles Intl Airport takes 8h 50m
Direct flights go from Barcelona-El Prat Airport to Washington, D.C. Dulles Intl Airport every day.
Search flight deals

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

    Washington, D.C. Dulles Intl is 4046.0 mi away from Barcelona-El Prat. In terms of flight time, this usually takes a little over 8h 50m.

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

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

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

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

  • What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

    The travel and health documents you'll need for your trip to Washington, D.C. Dulles Intl 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 Washington, D.C. Dulles Intl 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 Barcelona-El Prat Airport to Washington, D.C. Dulles Intl Airport?

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

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

Compare and see reviews for airlines that fly from Barcelona-El Prat Airport to Washington, D.C. Dulles Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
TAP AIR PORTUGALPriceFrom $384Free CancellationRating
7.1
2,178 reviews
Search TAP AIR PORTUGAL flights
LufthansaPriceFrom $593Free CancellationRating
6.8
7,869 reviews
Search Lufthansa flights
United AirlinesPriceFrom $593Free CancellationRating
7.4
9,479 reviews
Search United Airlines flights

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

    Across 6 United Airlines flights from Barcelona-El Prat Airport to Washington, D.C. Dulles Intl Airport this week, the average price was $754, with the best United Airlines deals starting from $593 round-trip. 9,478 users have rated United Airlines on momondo, with an average score of 7.4/10.

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

    Lufthansa is also a popular choice for this route. Lufthansa flight deals for Barcelona-El Prat Airport to Washington, D.C. Dulles Intl Airport start from as low as $593 round-trip, depending on your selected dates, with average Lufthansa deals seen on momondo around $890. Lufthansa operates 6 flights to Washington, D.C. Dulles Intl Airport from Barcelona-El Prat Airport in an average week. Users have rated it 6.8/10 across 7,869 reviews.

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Gettysburg
Arlington
Winchester
Waldorf
Woodbridge
Laurel
Colonial Beach
Gaithersburg
Towson
Silver Spring
Fredericksburg
Rockville
Tysons
Manassas
Sterling
Linthicum Heights
Springfield
Bethesda

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Barcelona to Washington, D.C.. Millions of users trust and use momondo every year so you are in good hands.

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

momondo does allow users to show only those flights to Washington, D.C. from Barcelona which offer a flexible booking policy as well as other useful filters and features.

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

momondo helps you find the best flight between Barcelona and Washington, D.C. by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are simply researching potential flights to Washington, D.C., momondo offers a useful price alert feature which will track prices for flights to Washington, D.C. from Barcelona and alert you when they change.

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