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Cheap flights from Washington, D.C. to Barcelona from $136

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Barcelona departing on 9/21. 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. to Barcelona

Cheap round-trip flights

SWISS Logo
8:45 pm - 5:50 pmIAD-BCN
15h 05m1 stop
SWISS Logo
6:00 am - 4:15 pmBCN-IAD
16h 15m1 stop
$136SWISS
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So, Sep 21 - Mi, Okt 1
TAP AIR PORTUGAL Logo
10:20 pm - 7:20 pmIAD-BCN
15h 00m1 stop
TAP AIR PORTUGAL Logo
10:40 pm - 3:20 pmBCN-IAD
22h 40m1 stop
$369TAP AIR PORTUGAL
Find Deal
So, Sep 14 - Do, Sep 25
TAP AIR PORTUGAL Logo
10:20 pm - 4:55 pmIAD-BCN
12h 35m1 stop
TAP AIR PORTUGAL Logo
6:00 am - 3:20 pmBCN-IAD
15h 20m1 stop
$373TAP AIR PORTUGAL
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Mo, Sep 22 - Di, Sep 30
Icelandair Logo
8:40 pm - 1:10 pmIAD-BCN
11h 30m1 stop
Icelandair Logo
11:45 am - 6:20 pmBCN-IAD
12h 35m1 stop
$453Icelandair
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Fr, Okt 31 - So, Dez 14
United Airlines Logo
9:35 am - 7:50 amIAD-BCN
16h 15m1 stop
United Airlines Logo
12:10 pm - 4:05 pmBCN-IAD
33h 55m2 stops
$456United Airlines
Find Deal
So, Sep 21 - Mi, Okt 1
United Airlines Logo
6:30 am - 1:05 pmDCA-BCN
24h 35m1 stop
United Airlines Logo
1:35 pm - 10:26 amBCN-DCA
26h 51m1 stop
$456United Airlines
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Di, Nov 11 - Di, Nov 18
Icelandair Logo
7:40 pm - 1:10 pmIAD-BCN
11h 30m1 stop
Icelandair Logo
11:45 am - 6:20 pmBCN-IAD
12h 35m1 stop
$460Icelandair
Find Deal
So, Nov 9 - Fr, Nov 21
British Airways Logo
4:40 pm - 9:05 amDCA-BCN
10h 25m1 stop
British Airways Logo
2:00 pm - 8:00 pmBCN-DCA
12h 00m1 stop
$484British Airways
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Mi, Sep 24 - Mi, Okt 1
Iberia Logo
1:39 pm - 6:45 amDCA-BCN
11h 06m1 stop
Iberia Logo
12:50 pm - 10:57 pmBCN-DCA
16h 07m1 stop
$492Iberia
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Di, Sep 23 - Fr, Okt 10
British Airways Logo
8:35 pm - 2:45 pmBWI-BCN
12h 10m1 stop
British Airways Logo
10:05 am - 6:45 pmBCN-BWI
14h 40m1 stop
$497British Airways
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Di, Nov 11 - Di, Nov 18

United Airlines flights from Washington, D.C. to Barcelona

Our best United Airlines deals on Washington, D.C. to Barcelona flight tickets
United Airlines
Sep 21
IAD9:35 amWashington, D.C. Dulles Intl
16h 15m
1 stop
BCN7:50 amBarcelona-El Prat
Oct 1
BCN12:10 pmBarcelona-El Prat
33h 55m
2 stops
IAD4:05 pmWashington, D.C. Dulles Intl
$456
Find similar
United Airlines
Sep 21
IAD10:10 pmWashington, D.C. Dulles Intl
27h 40m
2 stops
BCN7:50 amBarcelona-El Prat
Oct 1
BCN12:10 pmBarcelona-El Prat
33h 55m
2 stops
IAD4:05 pmWashington, D.C. Dulles Intl
$461
Find similar
United Airlines
Oct 7
IAD3:36 pmWashington, D.C. Dulles Intl
11h 44m
1 stop
BCN9:20 amBarcelona-El Prat
Oct 21
BCN12:10 pmBarcelona-El Prat
29h 44m
2 stops
IAD11:54 amWashington, D.C. Dulles Intl
$463
Find similar

Iberia flights from Washington, D.C. to Barcelona

Our best Iberia deals on Washington, D.C. to Barcelona flight tickets
Iberia
Sep 23
DCA1:39 pmWashington, D.C. Reagan-National
11h 06m
1 stop
BCN6:45 amBarcelona-El Prat
Oct 10
BCN12:50 pmBarcelona-El Prat
16h 07m
1 stop
DCA10:57 pmWashington, D.C. Reagan-National
$492
Find similar
Iberia
Aug 7
IAD4:35 pmWashington, D.C. Dulles Intl
18h 45m
1 stop
BCN5:20 pmBarcelona-El Prat
Aug 18
BCN6:10 pmBarcelona-El Prat
26h 50m
1 stop
IAD3:00 pmWashington, D.C. Dulles Intl
$1,042
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momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. 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 Juli 31, 2025.
Use the filters below to find and compare flights from Washington, D.C. 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

So 9/21

8:45 pm-5:50 pm

1 stop15h 05m

Barcelona-El Prat

Mi 10/1

6:00 am-4:15 pm

1 stop16h 15m

$136

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

So 9/14

10:20 pm-7:20 pm

1 stop15h 00m

Barcelona-El Prat

Do 9/25

10:40 pm-3:20 pm

1 stop22h 40m

$369

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Mo 9/22

10:20 pm-4:55 pm

1 stop12h 35m

Barcelona-El Prat

Di 9/30

6:00 am-3:20 pm

1 stop15h 20m

$373

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Fr 10/31

8:40 pm-1:10 pm

1 stop11h 30m

Barcelona-El Prat

So 12/14

11:45 am-6:20 pm

1 stop12h 35m

$453

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

So 9/21

9:35 am-7:50 am

1 stop16h 15m

Barcelona-El Prat

Mi 10/1

12:10 pm-4:05 pm

2 stops33h 55m

$456

Washington, D.C.Barcelona

DCA - BCN

DCABCN

Washington, D.C. Reagan-National

Di 11/11

6:30 am-1:05 pm

1 stop24h 35m

Barcelona-El Prat

Di 11/18

1:35 pm-10:26 am

1 stop26h 51m

$456

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

So 11/9

7:40 pm-1:10 pm

1 stop11h 30m

Barcelona-El Prat

Fr 11/21

11:45 am-6:20 pm

1 stop12h 35m

$460

Washington, D.C.Barcelona

DCA - BCN

DCABCN

Washington, D.C. Reagan-National

Mi 9/24

4:40 pm-9:05 am

1 stop10h 25m

Barcelona-El Prat

Mi 10/1

2:00 pm-8:00 pm

1 stop12h 00m

$484

Washington, D.C.Barcelona

DCA - BCN

DCABCN

Washington, D.C. Reagan-National

Di 9/23

1:39 pm-6:45 am

1 stop11h 06m

Barcelona-El Prat

Fr 10/10

12:50 pm-10:57 pm

1 stop16h 07m

$492

BaltimoreBarcelona

BWI - BCN

BWIBCN

Baltimore/Washington

Di 11/11

8:35 pm-2:45 pm

1 stop12h 10m

Barcelona-El Prat

Di 11/18

10:05 am-6:45 pm

1 stop14h 40m

$497

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. 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 typical price of a round-trip flight between Washington, D.C. and Barcelona?

What is the cheapest month to fly to Barcelona?

The month of February is, on average, the cheapest month to fly to Barcelona from Washington, D.C., with most prices found around $652. If you don’t want to visit Barcelona in February, then you should wait until January to fly from Washington, D.C., when ticket prices are also cheap, with an average price of $677.

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

The cheapest day to depart from Washington, D.C. to Barcelona is on a Monday when prices can be found for as low as $1,051. On the other hand, Saturday is the most expensive day to depart from Washington, D.C. because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,320.

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. 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 $1,229 on average. Flights to Barcelona from Washington, D.C. 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. to Barcelona flight route?

Fly from Washington, D.C. Dulles Intl to Barcelona-El Prat for the best Washington, D.C. - 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. when booking weeks ahead of your departure date. In general, you can expect to find flights to Barcelona for around $903 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. for as low as $558 on momondo.

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

There are 3 cabin classes available to choose from on Washington, D.C. 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. to Barcelona flight deals and tips

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

Best Price Found

$229

Fastest flight time

7h 45m

Direct flights

Every day

Airports in Barcelona

1 airport
The best one-way flight to Barcelona from Washington, D.C. in the past 72 hours is $229. The best round-trip flight deal from Washington, D.C. to Barcelona found on momondo in the last 72 hours is $136.
The fastest flight from Washington, D.C. to Barcelona takes 7h 45m
Direct flights go from Washington, D.C. to Barcelona every day.
There is 1 airport near Barcelona: Barcelona-El Prat (BCN)
Search flight deals

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

    The straight-line distance from Washington, D.C. to Barcelona is 4029.9 mi. By plane, this route typically takes 7h 45m.

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

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

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

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

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

    The necessary travel and health documents for your Barcelona 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.

Best airlines flying from Washington, D.C. to Barcelona

Compare and see reviews for airlines that fly from Washington, D.C. to Barcelona with momondo
Airline
Rating
Free Cancellation
Price
PLAYPriceFrom $302Free CancellationRating
7.0
102 reviews
Search PLAY flights
IcelandairPriceFrom $384Free CancellationRating
7.0
520 reviews
Search Icelandair flights
Scandinavian AirlinesPriceFrom $409Free CancellationRating
7.3
1,457 reviews
Search Scandinavian Airlines flights
TAP AIR PORTUGALPriceFrom $455Free CancellationRating
7.1
1,933 reviews
Search TAP AIR PORTUGAL flights
DeltaPriceFrom $468Free CancellationRating
8.0
7,980 reviews
Search Delta flights
IberiaPriceFrom $483Free CancellationRating
7.0
2,858 reviews
Search Iberia flights
British AirwaysPriceFrom $498Free CancellationRating
6.6
7,221 reviews
Search British Airways flights
United AirlinesPriceFrom $499Free CancellationRating
7.4
8,902 reviews
Search United Airlines flights
KLMPriceFrom $513Free CancellationRating
7.8
1,383 reviews
Search KLM flights
Air FrancePriceFrom $517Free CancellationRating
7.5
1,465 reviews
Search Air France flights

Why use momondo?

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

It is quick and easy to find Washington, D.C. to Barcelona flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Barcelona that suits you.

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

Flights from Washington, D.C. to Barcelona with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo provides multiple filters to help you find the best flight to Barcelona from Washington, D.C.. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

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

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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