Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Barcelona-El Prat Airport to Washington, D.C. Dulles Intl Airport from $343

This is the cheapest round-trip 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. Dulles Intl Airport departing on 3/20. 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
0 bags

Deals available from 900+ travel sites.

Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.
Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.
Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.
Price Alerts
Price Alerts
Not ready to book? to track prices.

Find the cheapest flights from Barcelona-El Prat Airport to Washington, D.C.

Cheap round-trip flights

These are some of the best round-trip flight deals from Barcelona-El Prat Airport to Washington, D.C. that have been recently found on momondo from popular airlines, departing in the coming months.
6:45 am - 4:00 pmBCN-IAD
14h 15m1 stop
5:50 pm - 1:30 amIAD-BCN
25h 40m1 stop
$343TAP AIR PORTUGAL
Find Deal
Thu, Mar 20 - Thu, Apr 3
6:45 am - 4:00 pmBCN-IAD
14h 15m1 stop
5:50 pm - 1:30 amIAD-BCN
25h 40m1 stop
$347TAP AIR PORTUGAL
Find Deal
Thu, Mar 20 - Thu, Apr 3
12:15 pm - 4:25 pmBCN-IAD
34h 10m2 stops
11:20 pm - 5:30 pmIAD-BCN
13h 10m1 stop
Tue, Mar 4 - Mon, Mar 10
11:15 am - 11:46 amBCN-IAD
29h 31m2 stops
11:20 pm - 10:55 pmIAD-BCN
18h 35m1 stop
Wed, Mar 12 - Wed, Mar 19
10:20 am - 9:41 amBCN-IAD
29h 21m2 stops
3:47 pm - 9:00 amIAD-BCN
11h 13m1 stop
$400United Airlines
Find Deal
Tue, Apr 1 - Mon, Apr 7
12:15 pm - 8:41 pmBCN-IAD
14h 26m1 stop
8:40 am - 8:50 amIAD-BCN
19h 10m2 stops
$402United Airlines
Find Deal
Wed, Mar 5 - Tue, Mar 11
6:00 am - 3:45 pmBCN-IAD
15h 45m1 stop
5:22 pm - 2:40 pmIAD-BCN
16h 18m2 stops
$407Delta
Find Deal
Wed, Mar 5 - Tue, Mar 11
11:45 am - 4:15 pmBCN-IAD
9h 30mnonstop
6:05 pm - 8:20 amIAD-BCN
8h 15mnonstop
$410Lufthansa
Find Deal
Thu, Mar 20 - Thu, Apr 3
11:10 am - 12:20 amBCN-IAD
19h 10m2 stops
5:22 pm - 2:40 pmIAD-BCN
16h 18m2 stops
$412Delta
Find Deal
Wed, Mar 5 - Tue, Mar 11
1:05 pm - 8:20 pmBCN-IAD
13h 15m1 stop
6:50 pm - 4:15 pmIAD-BCN
16h 25m1 stop
$424Lufthansa
Find Deal
Sat, Mar 8 - Wed, Mar 12

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

Our best United Airlines deals on Barcelona-El Prat Airport to Washington, D.C. Dulles Intl Airport flight tickets
United Airlines
Apr 1
BCN10:20 amBarcelona-El Prat
29h 21m
2 stops
IAD9:41 amWashington, D.C. Dulles Intl
Apr 7
IAD3:47 pmWashington, D.C. Dulles Intl
11h 13m
1 stop
BCN9:00 amBarcelona-El Prat
United Airlines
Mar 5
BCN12:15 pmBarcelona-El Prat
14h 26m
1 stop
IAD8:41 pmWashington, D.C. Dulles Intl
Mar 11
IAD8:40 amWashington, D.C. Dulles Intl
19h 10m
2 stops
BCN8:50 amBarcelona-El Prat
United Airlines
Mar 4
BCN12:15 pmBarcelona-El Prat
14h 26m
1 stop
IAD8:41 pmWashington, D.C. Dulles Intl
Mar 18
IAD3:55 pmWashington, D.C. Dulles Intl
11h 55m
1 stop
BCN8:50 amBarcelona-El Prat

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

Our best Lufthansa deals on Barcelona-El Prat Airport to Washington, D.C. Dulles Intl Airport flight tickets
Lufthansa
Mar 20
BCN11:45 amBarcelona-El Prat
9h 30m
IAD4:15 pmWashington, D.C. Dulles Intl
Apr 3
IAD6:05 pmWashington, D.C. Dulles Intl
8h 15m
BCN8:20 amBarcelona-El Prat
Lufthansa
Mar 8
BCN1:05 pmBarcelona-El Prat
13h 15m
1 stop
IAD8:20 pmWashington, D.C. Dulles Intl
Mar 12
IAD6:50 pmWashington, D.C. Dulles Intl
16h 25m
1 stop
BCN4:15 pmBarcelona-El Prat
Lufthansa
May 16
BCN11:15 amBarcelona-El Prat
9h 10m
IAD2:25 pmWashington, D.C. Dulles Intl
May 19
IAD6:05 pmWashington, D.C. Dulles Intl
8h 15m
BCN8:20 amBarcelona-El Prat

See travel insights to Washington, D.C. from

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 typical price of a round-trip flight between Barcelona-El Prat Airport and Washington, D.C. Dulles Intl Airport?

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 $435. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of February, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $493.

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

Our data shows that Wednesday 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 $538. When flying out on a Monday, 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 $926.

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

Flying to Washington, D.C. Dulles Intl Airport from Barcelona-El Prat Airport in the evening is the least expensive time of day to depart. momondo users have found prices as low as $446 when looking at flights departing in the evening. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $783 on average. Flights to Washington, D.C. Dulles Intl Airport from Barcelona-El Prat Airport in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

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 22 weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Dulles Intl Airport for around $586 when searching 22 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 $428 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 February 2025, prices for Barcelona-El Prat Airport to Washington, D.C. Dulles Intl Airport flights are approximately 31% 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

$346

Fastest flight time

8h 45m

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 $346. 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 $343.
The fastest flight from Barcelona-El Prat Airport to Washington, D.C. Dulles Intl Airport takes 8h 45m
Direct flights go from Barcelona-El Prat Airport to Washington, D.C. Dulles Intl Airport every day.

  • 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 45m.

  • 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
DeltaPriceFrom $298Free CancellationRating
8.0
8,219 reviews
Search Delta flights
KLMPriceFrom $340Free CancellationRating
7.8
1,333 reviews
Search KLM flights
LufthansaPriceFrom $366Free CancellationRating
6.7
6,986 reviews
Search Lufthansa flights
TAP AIR PORTUGALPriceFrom $386Free CancellationRating
7.1
1,847 reviews
Search TAP AIR PORTUGAL flights
United AirlinesPriceFrom $432Free CancellationRating
7.4
8,765 reviews
Search United Airlines flights

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

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
Arlington
Gettysburg
Laurel
National Harbor
Winchester
Silver Spring
Woodbridge
Fredericksburg
Manassas
Tysons
Waldorf
Gaithersburg
Linthicum Heights
Harpers Ferry
Glen Burnie
Rockville
Fairfax
Towson
Hanover

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.


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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
From?
To?
Tue 2/25
Tue 3/4

Find better results for your trip to Washington, D.C.