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Cheap flights from Barcelona-El Prat Airport to Washington, D.C. from $304

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 11/18. 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 Barcelona-El Prat Airport to Washington, D.C.

Cheap round-trip flights

PLAY Logo
10:40 pm - 5:40 pmBCN-BWI
25h 00m1 stop
PLAY Logo
6:50 pm - 9:40 pmBWI-BCN
20h 50m1 stop
$341PLAY
Find Deal
vie., oct. 17 - jue., oct. 23
PLAY Logo
10:40 pm - 5:40 pmBCN-BWI
25h 00m1 stop
PLAY Logo
6:50 pm - 9:40 pmBWI-BCN
20h 50m1 stop
$342PLAY
Find Deal
vie., oct. 17 - jue., oct. 23
TAP AIR PORTUGAL Logo
6:05 pm - 3:15 pmBCN-IAD
27h 10m1 stop
TAP AIR PORTUGAL Logo
5:30 pm - 5:15 pmIAD-BCN
17h 45m1 stop
$476TAP AIR PORTUGAL
Find Deal
dom., nov. 9 - sáb., dic. 6
TAP AIR PORTUGAL Logo
6:45 am - 3:15 pmBCN-IAD
14h 30m1 stop
TAP AIR PORTUGAL Logo
5:30 pm - 10:05 amIAD-BCN
10h 35m1 stop
$478TAP AIR PORTUGAL
Find Deal
jue., nov. 27 - mar., dic. 2
United Airlines Logo
1:55 pm - 8:15 pmBCN-IAD
12h 20m1 stop
United Airlines Logo
1:15 pm - 9:35 amIAD-BCN
14h 20m1 stop
$512United Airlines
Find Deal
sáb., ene. 17 - mié., feb. 11
United Airlines Logo
5:50 am - 3:31 pmBCN-DCA
15h 41m2 stops
United Airlines Logo
3:00 pm - 9:00 amDCA-BCN
12h 00m1 stop
$512United Airlines
Find Deal
sáb., ene. 17 - mié., feb. 11
Lufthansa Logo
6:50 am - 1:30 pmBCN-IAD
12h 40m1 stop
Lufthansa Logo
6:35 pm - 8:20 amIAD-BCN
7h 45mnonstop
$553Lufthansa
Find Deal
lun., oct. 13 - lun., oct. 20
Lufthansa Logo
7:50 am - 7:25 pmBCN-IAD
17h 35m1 stop
Lufthansa Logo
6:35 pm - 8:20 amIAD-BCN
7h 45mnonstop
$561Lufthansa
Find Deal
vie., oct. 17 - mié., oct. 22
British Airways Logo
10:05 am - 10:57 pmBCN-DCA
18h 52m2 stops
British Airways Logo
1:44 pm - 9:00 amDCA-BCN
13h 16m1 stop
$584British Airways
Find Deal
jue., oct. 16 - lun., nov. 3
British Airways Logo
5:00 pm - 6:45 pmBCN-BWI
31h 45m1 stop
British Airways Logo
8:35 pm - 10:35 pmBWI-BCN
20h 00m1 stop
$595British Airways
Find Deal
lun., ene. 19 - vie., feb. 13

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

Our best Scandinavian Airlines deals on Barcelona-El Prat Airport to Washington, D.C. flight tickets
Scandinavian Airlines
Oct 16
BCN10:30 amBarcelona-El Prat
15h 29m
2 stops
IAD7:59 pmWashington, D.C. Dulles Intl
Oct 24
IAD10:05 pmWashington, D.C. Dulles Intl
14h 05m
1 stop
BCN6:10 pmBarcelona-El Prat
$472
Find similar
Scandinavian Airlines
Jan 18
BCN7:10 pmBarcelona-El Prat
26h 10m
1 stop
IAD3:20 pmWashington, D.C. Dulles Intl
Feb 12
IAD8:30 pmWashington, D.C. Dulles Intl
15h 50m
1 stop
BCN6:20 pmBarcelona-El Prat
$485
Find similar
Scandinavian Airlines
Jan 11
BCN7:10 pmBarcelona-El Prat
28h 05m
1 stop
IAD5:15 pmWashington, D.C. Dulles Intl
Jun 19
IAD8:20 pmWashington, D.C. Dulles Intl
15h 50m
1 stop
BCN6:10 pmBarcelona-El Prat
$506
Find similar

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

Our best American Airlines deals on Barcelona-El Prat Airport to Washington, D.C. flight tickets
American Airlines
Jan 18
BCN10:40 amBarcelona-El Prat
17h 38m
1 stop
IAD10:18 pmWashington, D.C. Dulles Intl
Feb 12
IAD11:30 amWashington, D.C. Dulles Intl
15h 20m
1 stop
BCN8:50 amBarcelona-El Prat
$503
Find similar
American Airlines
Oct 9
BCN2:00 pmBarcelona-El Prat
11h 59m
1 stop
DCA7:59 pmWashington, D.C. Reagan-National
Oct 22
DCA2:55 pmWashington, D.C. Reagan-National
9h 50m
1 stop
BCN6:45 amBarcelona-El Prat
$527
Find similar
American Airlines
Oct 14
BCN10:45 amBarcelona-El Prat
13h 22m
1 stop
DCA6:07 pmWashington, D.C. Reagan-National
Oct 21
DCA2:55 pmWashington, D.C. Reagan-National
9h 50m
1 stop
BCN6:45 amBarcelona-El Prat
$537
Find similar

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 septiembre 15, 2025.
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

BarcelonaBaltimore

BCN - BWI

BCNBWI

Barcelona-El Prat

vie. 10/17

10:40 pm-5:40 pm

1 stop25h 00m

Baltimore/Washington

jue. 10/23

6:50 pm-9:40 pm

1 stop20h 50m

$341

BarcelonaBaltimore

BCN - BWI

BCNBWI

Barcelona-El Prat

vie. 10/17

10:40 pm-5:40 pm

1 stop25h 00m

Baltimore/Washington

jue. 10/23

6:50 pm-9:40 pm

1 stop20h 50m

$342

BarcelonaWashington, D.C.

BCN - IAD

BCNIAD

Barcelona-El Prat

dom. 11/9

6:05 pm-3:15 pm

1 stop27h 10m

Washington, D.C. Dulles Intl

sáb. 12/6

5:30 pm-5:15 pm

1 stop17h 45m

$476

BarcelonaWashington, D.C.

BCN - IAD

BCNIAD

Barcelona-El Prat

jue. 11/27

6:45 am-3:15 pm

1 stop14h 30m

Washington, D.C. Dulles Intl

mar. 12/2

5:30 pm-10:05 am

1 stop10h 35m

$478

BarcelonaWashington, D.C.

BCN - IAD

BCNIAD

Barcelona-El Prat

sáb. 1/17

1:55 pm-8:15 pm

1 stop12h 20m

Washington, D.C. Dulles Intl

mié. 2/11

1:15 pm-9:35 am

1 stop14h 20m

$512

BarcelonaWashington, D.C.

BCN - DCA

BCNDCA

Barcelona-El Prat

sáb. 1/17

5:50 am-3:31 pm

2 stops15h 41m

Washington, D.C. Reagan-National

mié. 2/11

3:00 pm-9:00 am

1 stop12h 00m

$512

BarcelonaWashington, D.C.

BCN - IAD

BCNIAD

Barcelona-El Prat

lun. 10/13

6:50 am-1:30 pm

1 stop12h 40m

Washington, D.C. Dulles Intl

lun. 10/20

6:35 pm-8:20 am

Nonstop7h 45m

$553

BarcelonaWashington, D.C.

BCN - IAD

BCNIAD

Barcelona-El Prat

vie. 10/17

7:50 am-7:25 pm

1 stop17h 35m

Washington, D.C. Dulles Intl

mié. 10/22

6:35 pm-8:20 am

Nonstop7h 45m

$561

BarcelonaWashington, D.C.

BCN - DCA

BCNDCA

Barcelona-El Prat

jue. 10/16

10:05 am-10:57 pm

2 stops18h 52m

Washington, D.C. Reagan-National

lun. 11/3

1:44 pm-9:00 am

1 stop13h 16m

$584

BarcelonaBaltimore

BCN - BWI

BCNBWI

Barcelona-El Prat

lun. 1/19

5:00 pm-6:45 pm

1 stop31h 45m

Baltimore/Washington

vie. 2/13

8:35 pm-10:35 pm

1 stop20h 00m

$595

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 $418. 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 $463.

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 Wednesday. momondo users have found tickets for Wednesday departures for as low as $684. 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 $1,028.

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

At noon is the cheapest time of day to fly from Barcelona-El Prat Airport to Washington, D.C. when you can find flight prices for as low as $525. Flying to Washington, D.C. at noon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the morning because they tend to be around $826. Of course, these prices can vary depending on the time of year and what airport you fly to.

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 $607 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 $513 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 September 2025, prices for Barcelona-El Prat Airport to Washington, D.C. flights are approximately 55% 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

$601

Fastest flight time

8h 50m

Direct flights

Every day

Airports in Washington, D.C.

1 airport
The best one-way flight to Washington, D.C. from Barcelona-El Prat Airport in the past 72 hours is $601. The best round-trip flight deal from Barcelona-El Prat Airport to Washington, D.C. found on momondo in the last 72 hours is $549.
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. every day.
There is 1 airport near Washington, D.C.: 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 9h 30m.

  • 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
DeltaPriceFrom $298Free CancellationRating
7.9
7,954 reviews
Search Delta flights
TAP AIR PORTUGALPriceFrom $406Free CancellationRating
7.1
1,975 reviews
Search TAP AIR PORTUGAL flights
United AirlinesPriceFrom $432Free CancellationRating
7.4
8,929 reviews
Search United Airlines flights
LufthansaPriceFrom $497Free CancellationRating
6.8
7,407 reviews
Search Lufthansa 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 8,929 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 $432 (round-trip), much lower than the average airfare cost of $752 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 $497, round-trip. It should be noted that an average Lufthansa flight deal for this route in this time was higher, at $660 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. 7,407 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
Gettysburg
National Harbor
Arlington
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Towson
Rockville
Manassas
Reston
Fairfax
Glen Burnie
Gaithersburg
Springfield
Linthicum Heights

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.

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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