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Cheap flights from Barcelona-El Prat Airport to Washington, D.C. from $360

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 4/23. 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 Barcelona-El Prat Airport to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
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
$512ITA Airways
Tue, Apr 14 - Tue, Apr 21
British Airways Logo
10:15 am - 7:40 pm
BCN
-
BWI
15h 25m
1 stop
British Airways Logo
9:30 pm - 5:35 pm
BWI
-
BCN
14h 05m
1 stop
$516British Airways
Fri, May 15 - Mon, May 18
Icelandair Logo
3:45 pm - 10:15 pm
BCN
-
IAD
12h 30m
1 stop
Icelandair Logo
8:30 pm - 4:25 pm
IAD
-
BCN
13h 55m
1 stop
$521Icelandair
Wed, May 20 - Sat, May 30
TAP AIR PORTUGAL Logo
8:20 pm - 3:10 pm
BCN
-
IAD
24h 50m
1 stop
TAP AIR PORTUGAL Logo
5:05 pm - 10:35 am
IAD
-
BCN
11h 30m
1 stop
$525TAP AIR PORTUGAL
Mon, Apr 20 - Tue, Apr 28
ITA Airways Logo
6:20 am - 2:30 pm
BCN
-
IAD
14h 10m
1 stop
ITA Airways Logo
4:30 pm - 3:55 pm
IAD
-
BCN
17h 25m
1 stop
$527ITA Airways
Tue, Apr 14 - Fri, Apr 24
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
$537ITA Airways
Tue, Apr 21 - Tue, Apr 28
TAP AIR PORTUGAL Logo
8:20 pm - 3:10 pm
BCN
-
IAD
24h 50m
1 stop
TAP AIR PORTUGAL Logo
10:35 pm - 9:50 pm
IAD
-
BCN
17h 15m
1 stop
$560TAP AIR PORTUGAL
Mon, May 4 - Thu, Jul 30
Icelandair Logo
3:45 pm - 10:15 pm
BCN
-
IAD
12h 30m
1 stop
Icelandair Logo
8:30 pm - 2:45 pm
IAD
-
BCN
12h 15m
1 stop
$565Icelandair
Fri, Aug 28 - Fri, Sep 11
Scandinavian Airlines Logo
7:00 pm - 5:00 pm
BCN
-
IAD
28h 00m
1 stop
Scandinavian Airlines Logo
8:20 pm - 6:10 pm
IAD
-
BCN
15h 50m
1 stop
$567Scandinavian Airlines
Fri, May 22 - Thu, May 28
United Airlines Logo
6:40 am - 5:25 pm
BCN
-
DCA
16h 45m
2 stops
United Airlines Logo
2:00 pm - 1:15 pm
DCA
-
BCN
17h 15m
1 stop
$661United Airlines
Thu, Apr 23 - Sun, Apr 26

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

Our best ITA Airways deals on Barcelona-El Prat Airport to Washington, D.C. flight tickets
ITA Airways
Apr 14
BCN6:20 amBarcelona-El Prat
14h 10m
1 stop
IAD2:30 pmWashington, D.C. Dulles Intl
Apr 21
IAD4:30 pmWashington, D.C. Dulles Intl
12h 20m
1 stop
BCN10:50 amBarcelona-El Prat
$512
ITA Airways
Apr 21
BCN6:20 amBarcelona-El Prat
14h 10m
1 stop
IAD2:30 pmWashington, D.C. Dulles Intl
Apr 28
IAD4:30 pmWashington, D.C. Dulles Intl
12h 20m
1 stop
BCN10:50 amBarcelona-El Prat
$537
ITA Airways
Apr 19
BCN6:20 amBarcelona-El Prat
14h 10m
1 stop
IAD2:30 pmWashington, D.C. Dulles Intl
Apr 28
IAD4:30 pmWashington, D.C. Dulles Intl
17h 25m
1 stop
BCN3:55 pmBarcelona-El Prat
$552

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

Our best TAP AIR PORTUGAL deals on Barcelona-El Prat Airport to Washington, D.C. flight tickets
TAP AIR PORTUGAL
Apr 20
BCN8:20 pmBarcelona-El Prat
24h 50m
1 stop
IAD3:10 pmWashington, D.C. Dulles Intl
Apr 28
IAD5:05 pmWashington, D.C. Dulles Intl
11h 30m
1 stop
BCN10:35 amBarcelona-El Prat
$525
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
May 4
BCN8:20 pmBarcelona-El Prat
24h 50m
1 stop
IAD3:10 pmWashington, D.C. Dulles Intl
Jul 30
IAD10:35 pmWashington, D.C. Dulles Intl
17h 15m
1 stop
BCN9:50 pmBarcelona-El Prat
$560

momondo Fare Finder

 
Customize your flight search to find flights from Barcelona-El Prat Airport to Washington, D.C. 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 March 22, 2026.
Use the filters below to find and compare flights from Barcelona-El Prat Airport to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BarcelonaWashington, D.C.

BCN - IAD

BCNIAD

Barcelona-El Prat

Tue 4/14

6:20 am-2:30 pm

1 stop14h 10m

Washington, D.C. Dulles Intl

Tue 4/21

4:30 pm-10:50 am

1 stop12h 20m

$512

BarcelonaBaltimore

BCN - BWI

BCNBWI

Barcelona-El Prat

Fri 5/15

10:15 am-7:40 pm

1 stop15h 25m

Baltimore/Washington

Mon 5/18

9:30 pm-5:35 pm

1 stop14h 05m

$516

BarcelonaWashington, D.C.

BCN - IAD

BCNIAD

Barcelona-El Prat

Wed 5/20

3:45 pm-10:15 pm

1 stop12h 30m

Washington, D.C. Dulles Intl

Sat 5/30

8:30 pm-4:25 pm

1 stop13h 55m

$521

BarcelonaWashington, D.C.

BCN - IAD

BCNIAD

Barcelona-El Prat

Mon 4/20

8:20 pm-3:10 pm

1 stop24h 50m

Washington, D.C. Dulles Intl

Tue 4/28

5:05 pm-10:35 am

1 stop11h 30m

$525

BarcelonaWashington, D.C.

BCN - IAD

BCNIAD

Barcelona-El Prat

Tue 4/14

6:20 am-2:30 pm

1 stop14h 10m

Washington, D.C. Dulles Intl

Fri 4/24

4:30 pm-3:55 pm

1 stop17h 25m

$527

BarcelonaWashington, D.C.

BCN - IAD

BCNIAD

Barcelona-El Prat

Tue 4/21

6:20 am-2:30 pm

1 stop14h 10m

Washington, D.C. Dulles Intl

Tue 4/28

4:30 pm-10:50 am

1 stop12h 20m

$537

BarcelonaWashington, D.C.

BCN - IAD

BCNIAD

Barcelona-El Prat

Mon 5/4

8:20 pm-3:10 pm

1 stop24h 50m

Washington, D.C. Dulles Intl

Thu 7/30

10:35 pm-9:50 pm

1 stop17h 15m

$560
Quickest round-trip

BarcelonaWashington, D.C.

BCN - IAD

BCNIAD

Barcelona-El Prat

Fri 8/28

3:45 pm-10:15 pm

1 stop12h 30m

Washington, D.C. Dulles Intl

Fri 9/11

8:30 pm-2:45 pm

1 stop12h 15m

$565

BarcelonaWashington, D.C.

BCN - IAD

BCNIAD

Barcelona-El Prat

Fri 5/22

7:00 pm-5:00 pm

1 stop28h 00m

Washington, D.C. Dulles Intl

Thu 5/28

8:20 pm-6:10 pm

1 stop15h 50m

$567

BarcelonaWashington, D.C.

BCN - DCA

BCNDCA

Barcelona-El Prat

Thu 4/23

6:40 am-5:25 pm

2 stops16h 45m

Washington, D.C. Reagan-National

Sun 4/26

2:00 pm-1:15 pm

1 stop17h 15m

$661

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Barcelona-El Prat Airport to Washington, D.C.

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.?

The month of February is, on average, the cheapest month to fly to Washington, D.C. from Barcelona-El Prat Airport, with most prices found around $570. If you’re not able to fly to Washington, D.C. in February, then October is your next best option. Flight prices from Barcelona-El Prat Airport to Washington, D.C. during October average around $578.

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

On average, the least expensive day to fly to Washington, D.C. from Barcelona-El Prat Airport is on a Thursday. momondo users have found tickets for Thursday departures for as low as $778. However, this price may fluctuate depending on the airline, the season, and holidays. 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. for around $1,070.

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

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

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

You are more likely to see cheaper flights to Washington, D.C. 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. 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. 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. flights?

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

As of March 2026, prices for Barcelona-El Prat Airport to Washington, D.C. flights are approximately 37% 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.

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

Best Price Found

$725

Fastest flight time

8h 50m

Direct flights

Tue, Wed, Thu, Fri, Sat and Sun

Airports in Washington, D.C.

2 airports
The best one-way flight to Washington, D.C. 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. found on momondo in the last 72 hours is $769.
The fastest flight from Barcelona-El Prat Airport to Washington, D.C. takes 8h 50m
Direct flights go from Barcelona-El Prat Airport to Washington, D.C. on Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday. The only airline offering direct flights is Lufthansa.
There are 2 airports in Washington, D.C.. From Barcelona-El Prat Airport there are direct flights to Washington, D.C. Dulles Intl (IAD).
Search flight deals

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

    The distance between Barcelona-El Prat and Washington, D.C. is about 4028.2 mi. 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.?

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

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Barcelona-El Prat Airport to Washington, D.C..

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

    The necessary travel and health documents for your Washington, D.C. 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 Barcelona-El Prat Airport to Washington, D.C.?

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

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

Compare and see reviews for airlines that fly from Barcelona-El Prat Airport to Washington, D.C. with momondo
Airline
Rating
Free Cancellation
Price
TAP AIR PORTUGALPriceFrom $384Free CancellationRating
7.1
2,172 reviews
Search TAP AIR PORTUGAL flights
LufthansaPriceFrom $593Free CancellationRating
6.8
7,860 reviews
Search Lufthansa flights
United AirlinesPriceFrom $593Free CancellationRating
7.4
9,458 reviews
Search United Airlines flights

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

    United Airlines flies from Barcelona-El Prat Airport to Washington, D.C. around 7 times per week, with 9,458 momondo users rating the airline 7.4/10. The cheapest United Airlines deal from Barcelona-El Prat Airport to Washington, D.C. in the last 72 hours was $593 (round-trip), much lower than the average airfare cost of $754 for United Airlines flights on this route.

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

    The best Lufthansa deal for Barcelona-El Prat Airport to Washington, D.C. flight tickets found on momondo in the last 72 hours was $593, round-trip. It should be noted that an average Lufthansa flight deal for this route in this time was higher, at $890 round-trip. Lufthansa operates 7 flights out of Barcelona-El Prat Airport into Washington, D.C. in an average week, so prices vary by time and availability. 7,860 Lufthansa reviews by users on momondo have scored the airline at 6.8/10.

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
Waldorf
Woodbridge
Laurel
Colonial Beach
Gaithersburg
Towson
Silver Spring
Fredericksburg
Rockville
Tysons
Manassas
Linthicum Heights
Springfield
Bethesda
Fairfax
College Park

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?

Yes. momondo enables you to select and highlight flights to Washington, D.C. from Barcelona with this policy.

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

Once all potential Barcelona to Washington, D.C. 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 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.

An easier way to manage your Washington, D.C. trip

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Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 22.4 mi from Washington, D.C.
Washington, D.C. Reagan-National Airport
Washington, D.C. Dulles Intl Airport