What is the cheapest airline that flies from Washington, D.C. Dulles Intl to Barcelona?

United Airlines is the most popular carrier operating from Washington, D.C. Dulles Intl to Barcelona

What airlines fly to Barcelona?

United Airlines, TAP AIR PORTUGAL and Iberia are the top three most popular airlines that fly to Barcelona from Washington, D.C. Dulles Intl Airport according to our data. United Airlines is the first choice among our users, with 56% of people opting to fly with this airline when traveling to Barcelona. Keep in mind that there are 15 different airlines that fly to Barcelona on a routine basis, so you have a few additional options to choose from.

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

There are 15 operators available for flights from Washington, D.C. Dulles Intl Airport to Barcelona as of March 2026.

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.

$214 Cheap Flights from Washington, D.C. Dulles Intl Airport to Barcelona in 2026

Q: How many flights depart from Washington, D.C. Dulles Intl Airport to Barcelona on average per week?

As of March 2026, there are 12 flights per week flying from Washington, D.C. Dulles Intl Airport to Barcelona. The most common day of the week flights depart is Wed, with 25% of flights taking off on this day.

Q: How many flights depart from Washington, D.C. Dulles Intl Airport to Barcelona on average per day?

As of March 2026, 1 flights take off from Washington, D.C. Dulles Intl Airport and land in Barcelona each day. The most common flight departure time for this route is 6:00PM, with 100% of daily flights taking off in the evening.

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Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Barcelona

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:35 pm - 9:50 pm

IAD

BCN

17h 15m

1 stop

3:00 pm - 8:35 pm

BCN

IAD

11h 35m

1 stop

$512TAP AIR PORTUGAL

Thu, Aug 20 - Fri, Aug 28

8:20 pm - 4:55 pm

IAD

BCN

14h 35m

1 stop

9:45 am - 5:00 pm

BCN

IAD

13h 15m

1 stop

$514Scandinavian Airlines

Thu, Apr 16 - Sun, Apr 19

8:20 pm - 4:55 pm

IAD

BCN

14h 35m

1 stop

9:45 am - 5:00 pm

BCN

IAD

13h 15m

1 stop

$515Scandinavian Airlines

Thu, Apr 16 - Sun, May 3

8:20 pm - 9:40 am

IAD

BCN

55h 20m

2 stops

7:00 pm - 5:00 pm

BCN

IAD

28h 00m

1 stop

$516Scandinavian Airlines

Thu, May 7 - Thu, May 21

8:20 pm - 6:10 pm

IAD

BCN

15h 50m

1 stop

7:00 pm - 5:00 pm

BCN

IAD

28h 00m

1 stop

$518Scandinavian Airlines

Mon, Apr 13 - Thu, Apr 16

8:20 pm - 6:10 pm

IAD

BCN

15h 50m

1 stop

7:00 pm - 5:00 pm

BCN

IAD

28h 00m

1 stop

$520Scandinavian Airlines

Mon, Apr 20 - Sat, May 2

10:35 pm - 9:50 pm

IAD

BCN

17h 15m

1 stop

11:25 am - 8:35 pm

BCN

IAD

15h 10m

1 stop

$522TAP AIR PORTUGAL

Tue, Aug 25 - Thu, Sep 3

10:35 pm - 7:20 pm

IAD

BCN

14h 45m

1 stop

10:40 pm - 3:10 pm

BCN

IAD

22h 30m

1 stop

$525TAP AIR PORTUGAL

Tue, Aug 25 - Tue, Sep 1

10:25 pm - 8:45 am

IAD

REU

52h 20m

2 stops

9:15 am - 3:50 pm

REU

IAD

36h 35m

2 stops

$2,953Iberia

Wed, Jul 1 - Tue, Jul 14

10:25 pm - 8:45 am

IAD

REU

52h 20m

2 stops

9:15 am - 3:50 pm

REU

IAD

36h 35m

2 stops

$3,084Iberia

Sat, Jul 4 - Tue, Jul 14

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

Our best Scandinavian Airlines deals on Washington, D.C. Dulles Intl Airport to Barcelona flight tickets

Scandinavian Airlines

Apr 16

IAD8:20 pmWashington, D.C. Dulles Intl

14h 35m

1 stop

BCN4:55 pmBarcelona-El Prat

Apr 21

BCN7:00 pmBarcelona-El Prat

28h 00m

1 stop

IAD5:00 pmWashington, D.C. Dulles Intl

$514

Scandinavian Airlines

Apr 16

IAD8:20 pmWashington, D.C. Dulles Intl

15h 50m

1 stop

BCN6:10 pmBarcelona-El Prat

Apr 29

BCN7:00 pmBarcelona-El Prat

28h 00m

1 stop

IAD5:00 pmWashington, D.C. Dulles Intl

$515

Scandinavian Airlines

May 7

IAD8:20 pmWashington, D.C. Dulles Intl

55h 20m

2 stops

BCN9:40 amBarcelona-El Prat

May 21

BCN7:00 pmBarcelona-El Prat

28h 00m

1 stop

IAD5:00 pmWashington, D.C. Dulles Intl

$516

TAP AIR PORTUGAL flights from Washington, D.C. Dulles Intl Airport to Barcelona

Our best TAP AIR PORTUGAL deals on Washington, D.C. Dulles Intl Airport to Barcelona flight tickets

TAP AIR PORTUGAL

Apr 8

IAD10:35 pmWashington, D.C. Dulles Intl

17h 15m

1 stop

BCN9:50 pmBarcelona-El Prat

May 5

BCN10:40 pmBarcelona-El Prat

22h 30m

1 stop

IAD3:10 pmWashington, D.C. Dulles Intl

$522

TAP AIR PORTUGAL

Mar 8

IAD11:30 pmWashington, D.C. Dulles Intl

19h 15m

1 stop

BCN11:45 pmBarcelona-El Prat

Mar 18

BCN6:05 pmBarcelona-El Prat

27h 10m

1 stop

IAD4:15 pmWashington, D.C. Dulles Intl

$532

TAP AIR PORTUGAL

Apr 16

IAD10:35 pmWashington, D.C. Dulles Intl

20h 55m

1 stop

BCN1:30 amBarcelona-El Prat

Apr 23

BCN10:40 pmBarcelona-El Prat

27h 55m

1 stop

IAD8:35 pmWashington, D.C. Dulles Intl

$544

momondo Fare Finder

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

Thu 8/20

10:35 pm-9:50 pm

1 stop17h 15m

Barcelona-El Prat

Fri 8/28

3:00 pm-8:35 pm

1 stop11h 35m

$512

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Thu 4/16

8:20 pm-4:55 pm

1 stop14h 35m

Barcelona-El Prat

Sun 4/19

9:45 am-5:00 pm

1 stop13h 15m

$514

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Thu 4/16

8:20 pm-4:55 pm

1 stop14h 35m

Barcelona-El Prat

Sun 5/3

9:45 am-5:00 pm

1 stop13h 15m

$515

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Thu 5/7

8:20 pm-9:40 am

2 stops55h 20m

Barcelona-El Prat

Thu 5/21

7:00 pm-5:00 pm

1 stop28h 00m

$516

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Mon 4/13

8:20 pm-6:10 pm

1 stop15h 50m

Barcelona-El Prat

Thu 4/16

7:00 pm-5:00 pm

1 stop28h 00m

$518

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Mon 4/20

8:20 pm-6:10 pm

1 stop15h 50m

Barcelona-El Prat

Sat 5/2

7:00 pm-5:00 pm

1 stop28h 00m

$520

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Tue 8/25

10:35 pm-9:50 pm

1 stop17h 15m

Barcelona-El Prat

Thu 9/3

11:25 am-8:35 pm

1 stop15h 10m

$522

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Tue 8/25

10:35 pm-7:20 pm

1 stop14h 45m

Barcelona-El Prat

Tue 9/1

10:40 pm-3:10 pm

1 stop22h 30m

$525

Washington, D.C.Reus

IAD - REU

IADREU

Washington, D.C. Dulles Intl

Wed 7/1

10:25 pm-8:45 am

2 stops52h 20m

Reus

Tue 7/14

9:15 am-3:50 pm

2 stops36h 35m

$2,953

Washington, D.C.Reus

IAD - REU

IADREU

Washington, D.C. Dulles Intl

Sat 7/4

10:25 pm-8:45 am

2 stops52h 20m

Reus

Tue 7/14

9:15 am-3:50 pm

2 stops36h 35m

$3,084

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Other information

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. Dulles Intl Airport, with most prices found around $568. If you don’t want to visit Barcelona in February, then you should wait until January to fly from Washington, D.C. Dulles Intl Airport, when ticket prices are also cheap, with an average price of $615.

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 Monday when prices can be found for as low as $765. On the other hand, Saturday 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 $1,141.

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

In the evening 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 $888. Flying to Barcelona in the evening 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 $985 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 $766 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 $586 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 50m
Direct flights	Every day
Airports in Barcelona	3 airports

The fastest flight from Washington, D.C. Dulles Intl Airport to Barcelona takes 7h 50m

Direct flights go from Washington, D.C. Dulles Intl Airport to Barcelona every day.

There are 3 airports in Barcelona. From Washington, D.C. Dulles Intl Airport there are direct flights to 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 50m.
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?
There are 15 operators available for flights from Washington, D.C. Dulles Intl Airport to Barcelona as of March 2026.
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 PORTUGAL	PriceFrom $383	Free Cancellation	Rating 7.1 2,156 reviews	Search TAP AIR PORTUGAL flights
Icelandair	PriceFrom $390	Free Cancellation	Rating 7.1 617 reviews	Search Icelandair flights
Air France	PriceFrom $461	Free Cancellation	Rating 7.4 1,542 reviews	Search Air France flights
Delta	PriceFrom $468	Free Cancellation	Rating 7.9 8,246 reviews	Search Delta flights
SWISS	PriceFrom $479	Free Cancellation	Rating 7.6 1,889 reviews	Search SWISS flights
United Airlines	PriceFrom $489	Free Cancellation	Rating 7.4 9,388 reviews	Search United Airlines flights
Scandinavian Airlines	PriceFrom $490	Free Cancellation	Rating 7.3 1,703 reviews	Search Scandinavian Airlines flights
British Airways	PriceFrom $498	Free Cancellation	Rating 6.7 7,775 reviews	Search British Airways flights
Lufthansa	PriceFrom $499	Free Cancellation	Rating 6.8 7,823 reviews	Search Lufthansa flights
American Airlines	PriceFrom $511	Free Cancellation	Rating 7.1 11,380 reviews	Search American Airlines 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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Cheap flights from Washington, D.C. Dulles Intl Airport to Barcelona from $214

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

Our best Scandinavian Airlines deals on Washington, D.C. Dulles Intl Airport to Barcelona flight tickets

TAP AIR PORTUGAL flights from Washington, D.C. Dulles Intl Airport to Barcelona

Our best TAP AIR PORTUGAL deals on Washington, D.C. Dulles Intl Airport to Barcelona flight tickets

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Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Barcelona that are best for you.

See travel insights to Barcelona from

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

What is the cheapest month to fly to Barcelona?

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

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

What is the cheapest Washington, D.C. Dulles Intl to Barcelona flight route?

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

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

What is the cheapest airline that flies from Washington, D.C. Dulles Intl to Barcelona?

What airlines fly to Barcelona?

How many flights depart from Washington, D.C. Dulles Intl Airport to Barcelona on average per day?

How many flights depart from Washington, D.C. Dulles Intl Airport to Barcelona on average per week?

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

Direct flights

Airports in Barcelona

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

Why use momondo?

An easier way to manage your Barcelona 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.

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

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