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Cheap flights from Washington, D.C. Dulles Intl Airport to Barcelona from $311

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. Dulles Intl Airport to Barcelona departing on 11/4. 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 Washington, D.C. Dulles Intl Airport to Barcelona

Cheap round-trip flights

United Airlines Logo
9:35 am - 7:50 amIAD-BCN
16h 15m1 stop
United Airlines Logo
11:15 am - 2:05 pmBCN-IAD
8h 50mnonstop
$469United Airlines
Find Deal
Tue, Sep 30 - Thu, Oct 9
Logo
9:35 am - 7:50 amIAD-BCN
16h 15m1 stop
Logo
9:55 am - 5:40 pmBCN-IAD
12h 45m1 stop
$470
Find Deal
Sun, Sep 28 - Thu, Oct 30
Logo
9:35 am - 9:20 amIAD-BCN
17h 45m2 stops
Logo
9:40 am - 4:15 pmBCN-IAD
12h 35m1 stop
$471
Find Deal
Tue, Sep 30 - Wed, Oct 8
Logo
9:35 am - 9:20 amIAD-BCN
17h 45m2 stops
Logo
9:40 am - 4:15 pmBCN-IAD
12h 35m1 stop
$473
Find Deal
Sun, Sep 28 - Tue, Oct 7
Lufthansa Logo
10:20 pm - 5:55 pmIAD-BCN
13h 35m1 stop
Lufthansa Logo
8:00 am - 3:50 pmBCN-IAD
13h 50m1 stop
$478Lufthansa
Find Deal
Sun, Sep 28 - Fri, Oct 10
Icelandair Logo
8:30 pm - 2:45 pmIAD-BCN
12h 15m1 stop
Icelandair Logo
3:45 pm - 10:10 pmBCN-IAD
12h 25m1 stop
$481Icelandair
Find Deal
Sun, Oct 5 - Fri, Oct 10
Delta Logo
7:59 pm - 8:00 amIAD-BCN
30h 01m1 stop
Delta Logo
10:15 am - 11:31 amBCN-IAD
31h 16m1 stop
$484Delta
Find Deal
Sat, Nov 8 - Tue, Nov 18
Icelandair Logo
7:40 pm - 1:20 pmIAD-BCN
11h 40m1 stop
Icelandair Logo
11:50 am - 6:30 pmBCN-IAD
12h 40m1 stop
$487Icelandair
Find Deal
Fri, Jan 2 - Fri, Jan 9
Delta Logo
12:08 pm - 7:15 amIAD-BCN
13h 07m2 stops
Delta Logo
9:30 am - 11:00 pmBCN-IAD
19h 30m2 stops
$488Delta
Find Deal
Tue, Sep 30 - Wed, Oct 15
Aer Lingus Logo
5:05 pm - 10:50 amIAD-BCN
11h 45m1 stop
Aer Lingus Logo
11:30 am - 7:30 pmBCN-IAD
14h 00m1 stop
$493Aer Lingus
Find Deal
Wed, Nov 26 - Wed, Dec 3

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

Our best United Airlines deals on Washington, D.C. Dulles Intl Airport to Barcelona flight tickets
United Airlines
Sep 30
IAD9:35 amWashington, D.C. Dulles Intl
16h 15m
1 stop
BCN7:50 amBarcelona-El Prat
Oct 9
BCN11:15 amBarcelona-El Prat
8h 50m
IAD2:05 pmWashington, D.C. Dulles Intl
$469
Find similar
United Airlines
Sep 21
IAD9:35 amWashington, D.C. Dulles Intl
16h 15m
1 stop
BCN7:50 amBarcelona-El Prat
Sep 30
BCN11:15 amBarcelona-El Prat
8h 50m
IAD2:05 pmWashington, D.C. Dulles Intl
$470
Find similar
United Airlines
Sep 30
IAD6:15 amWashington, D.C. Dulles Intl
19h 35m
2 stops
BCN7:50 amBarcelona-El Prat
Oct 21
BCN11:15 amBarcelona-El Prat
8h 50m
IAD2:05 pmWashington, D.C. Dulles Intl
$474
Find similar

Air Canada flights from Washington, D.C. Dulles Intl Airport to Barcelona

Our best Air Canada deals on Washington, D.C. Dulles Intl Airport to Barcelona flight tickets
Air Canada
Sep 28
IAD9:35 amWashington, D.C. Dulles Intl
16h 15m
1 stop
BCN7:50 amBarcelona-El Prat
Oct 8
BCN1:15 pmBarcelona-El Prat
33h 13m
2 stops
IAD4:28 pmWashington, D.C. Dulles Intl
$476
Find similar
Air Canada
Oct 27
IAD9:00 amWashington, D.C. Dulles Intl
18h 35m
2 stops
BCN8:35 amBarcelona-El Prat
Nov 6
BCN1:35 pmBarcelona-El Prat
32h 16m
2 stops
IAD3:51 pmWashington, D.C. Dulles Intl
$482
Find similar
Air Canada
Oct 13
IAD10:20 amWashington, D.C. Dulles Intl
18h 55m
2 stops
BCN11:15 amBarcelona-El Prat
Oct 22
BCN6:50 amBarcelona-El Prat
20h 15m
2 stops
IAD9:05 pmWashington, D.C. Dulles Intl
$490
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Dulles Intl Airport to Barcelona 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 September 15, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Barcelona that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Tue 9/30

9:35 am-7:50 am

1 stop16h 15m

Barcelona-El Prat

Thu 10/9

11:15 am-2:05 pm

Nonstop8h 50m

$469

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Sun 9/28

9:35 am-7:50 am

1 stop16h 15m

Barcelona-El Prat

Thu 10/30

9:55 am-5:40 pm

1 stop12h 45m

$470

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Tue 9/30

9:35 am-9:20 am

2 stops17h 45m

Barcelona-El Prat

Wed 10/8

9:40 am-4:15 pm

1 stop12h 35m

$471

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Sun 9/28

9:35 am-9:20 am

2 stops17h 45m

Barcelona-El Prat

Tue 10/7

9:40 am-4:15 pm

1 stop12h 35m

$473

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Sun 9/28

10:20 pm-5:55 pm

1 stop13h 35m

Barcelona-El Prat

Fri 10/10

8:00 am-3:50 pm

1 stop13h 50m

$478

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Sun 10/5

8:30 pm-2:45 pm

1 stop12h 15m

Barcelona-El Prat

Fri 10/10

3:45 pm-10:10 pm

1 stop12h 25m

$481

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Sat 11/8

7:59 pm-8:00 am

1 stop30h 01m

Barcelona-El Prat

Tue 11/18

10:15 am-11:31 am

1 stop31h 16m

$484

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Fri 1/2

7:40 pm-1:20 pm

1 stop11h 40m

Barcelona-El Prat

Fri 1/9

11:50 am-6:30 pm

1 stop12h 40m

$487

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Tue 9/30

12:08 pm-7:15 am

2 stops13h 07m

Barcelona-El Prat

Wed 10/15

9:30 am-11:00 pm

2 stops19h 30m

$488

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Wed 11/26

5:05 pm-10:50 am

1 stop11h 45m

Barcelona-El Prat

Wed 12/3

11:30 am-7:30 pm

1 stop14h 00m

$493

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 Barcelona from

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to Barcelona

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?

The month of January is, on average, the cheapest month to fly to Barcelona from Washington, D.C. Dulles Intl Airport, with most prices found around $615. If you don’t want to visit Barcelona in January, then you should wait until October to fly from Washington, D.C. Dulles Intl Airport, when ticket prices are also cheap, with an average price of $672.

What is the cheapest day to depart on your flight to Barcelona?

The cheapest day to depart from Washington, D.C. Dulles Intl Airport to Barcelona is on a Sunday when prices can be found for as low as $952. On the other hand, Friday is the most expensive day to depart from Washington, D.C. Dulles Intl Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,223.

What is the cheapest time of day to depart on your flight to Barcelona?

In the morning is the cheapest time of day to fly from Washington, D.C. Dulles Intl Airport to Barcelona when you can find flight prices for as low as $759. Flying to Barcelona in the morning is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $1,163 on average. Flights to Barcelona from Washington, D.C. Dulles Intl Airport 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. Dulles Intl to Barcelona flight route?

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

How far in advance should I book a flight to Barcelona?

You are more likely to see cheaper flights to Barcelona from Washington, D.C. Dulles Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Barcelona for around $802 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Barcelona from Washington, D.C. Dulles Intl Airport for as low as $678 on momondo.

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

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

Cheap Washington, D.C. Dulles Intl Airport to Barcelona flight deals and tips

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

Fastest flight time

7h 45m

Direct flights

Every day

Airports in Barcelona

1 airport
The fastest flight from Washington, D.C. Dulles Intl Airport to Barcelona takes 7h 45m
Direct flights go from Washington, D.C. Dulles Intl Airport to Barcelona every day.
There is 1 airport near Barcelona: Barcelona-El Prat (BCN)
Search flight deals

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

    The distance between Washington, D.C. Dulles Intl and Barcelona is about 4047.7 mi. A reasonable flight in good conditions will take 7h 45m.

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

    Prices for flights from Washington, D.C. Dulles Intl Airport to Barcelona were last updated today.

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport to Barcelona.

  • What documentation or ID do you need to fly to Barcelona?

    The travel and health documents you'll need for your trip to Barcelona 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 Barcelona. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Barcelona with momondo
Airline
Rating
Free Cancellation
Price
TAP AIR PORTUGALPriceFrom $381Free CancellationRating
7.1
1,975 reviews
Search TAP AIR PORTUGAL flights
IcelandairPriceFrom $384Free CancellationRating
7.0
544 reviews
Search Icelandair flights
Scandinavian AirlinesPriceFrom $409Free CancellationRating
7.4
1,484 reviews
Search Scandinavian Airlines flights
DeltaPriceFrom $468Free CancellationRating
7.9
7,954 reviews
Search Delta flights
United AirlinesPriceFrom $498Free CancellationRating
7.4
8,929 reviews
Search United Airlines flights
British AirwaysPriceFrom $498Free CancellationRating
6.6
7,361 reviews
Search British Airways flights
Air FrancePriceFrom $500Free CancellationRating
7.4
1,469 reviews
Search Air France flights
Aer LingusPriceFrom $514Free CancellationRating
7.2
1,270 reviews
Search Aer Lingus flights
American AirlinesPriceFrom $524Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
LufthansaPriceFrom $544Free CancellationRating
6.8
7,407 reviews
Search Lufthansa flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Washington, D.C. to Barcelona for you.

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

Yes. momondo allows you to filter the results for Washington, D.C. to Barcelona flights to just show those with flexible booking policies.

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

Once all potential Washington, D.C. to Barcelona 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 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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Find better results for your trip to Spain

Fly into one of these airports located in Barcelona

Airports listed have a maximum distance of 46.7 mi from Barcelona
Barcelona-El Prat Airport
Girona Costa Brava Airport