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Dulles Intl

$330+ Cheap flights from Spain to Dulles Intl (IAD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/23. Fares are subject to change and may not be available on all flights or dates of travel.
MAD — IAD
Jun 27 — Jul 41
Sat 6/27
Sat 7/4
1 adult, Economy
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Cheap flight deals from Spain to Dulles Intl

Cheapest flights from Spain to Dulles Intl
Explore the most affordable flight options available from Spain to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 28, 2026.

This British Airways deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/49:15 am
BIO
-
IAD
1 stop12h 15m
British Airways
Mon 6/85:00 pm
IAD
-
BIO
1 stop17h 55m
British Airways
Deal found 5/25$542
This American Airlines deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/49:15 am
SVQ
-
IAD
1 stop12h 15m
American Airlines
Wed 6/105:00 pm
IAD
-
SVQ
1 stop13h 45m
American Airlines
Deal found 5/25$542
This British Airways deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/45:40 am
VLC
-
IAD
1 stop15h 50m
Multiple Airlines
Wed 6/175:00 pm
IAD
-
VLC
1 stop10h 05m
Multiple Airlines
Deal found 5/24$542
This Iberia deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/296:15 am
VLC
-
IAD
1 stop18h 35m
Iberia
Wed 10/145:00 pm
IAD
-
VLC
1 stop10h 05m
Iberia
Deal found 5/27$543
This American Airlines deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/49:15 am
ALC
-
IAD
1 stop12h 15m
American Airlines
Mon 6/85:00 pm
IAD
-
ALC
1 stop14h 05m
American Airlines
Deal found 5/25$543
This American Airlines deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/49:10 am
AGP
-
IAD
1 stop12h 20m
American Airlines
Wed 6/175:00 pm
IAD
-
AGP
1 stop13h 45m
American Airlines
Deal found 5/24$543
This British Airways deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/49:15 am
ALC
-
IAD
1 stop12h 15m
British Airways
Mon 6/85:00 pm
IAD
-
ALC
1 stop14h 05m
British Airways
Deal found 5/27$544
This oojo deal was found by Cheapflights users on 5/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/612:50 pm
AGP
-
IAD
1 stop31h 40m
ITA Airways
Sun 9/134:30 pm
IAD
-
AGP
1 stop13h 30m
ITA Airways
Deal found 5/28$551
This Rumbo deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/49:15 am
SVQ
-
IAD
1 stop12h 15m
Iberia
Wed 6/105:00 pm
IAD
-
SVQ
2 stops21h 45m
Iberia
Deal found 5/24$552
This Orbitz deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/96:15 am
VLC
-
IAD
1 stop15h 15m
Iberia
Fri 7/105:00 pm
IAD
-
VLC
1 stop10h 05m
Iberia
Deal found 5/24$552
This American Airlines deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/241:35 pm
BIO
-
IAD
1 stop32h 45m
Multiple Airlines
Mon 11/305:50 pm
IAD
-
BIO
1 stop13h 00m
Multiple Airlines
Deal found 5/25$553
This Iberia deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/47:20 am
VLC
-
IAD
2 stops14h 10m
Iberia
Wed 6/175:00 pm
IAD
-
VLC
1 stop25h 15m
Iberia
Deal found 5/24$558

Find flight deals from Spain to Dulles Intl

Keep the following information in mind while searching for Spain to Dulles Intl flight deals. Data was last updated May 28, 2026.

Round-trip from

$536
(Priceline)

One-way from

$330
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$735

Good round-trip deal

$765 or less

Good one-way deal

$610 or less
From Spain to Washington, D.C. Dulles Intl
Search Deals
One-way flight from Spain to Washington, D.C. Dulles Intl
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($67 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals
Price to beat on a round-trip flight from Spain to Washington, D.C. Dulles Intl.
Search Deals
Price to beat on a one-way flight from Spain to Washington, D.C. Dulles Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Spain to Dulles Intl 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, Cheapflights users made 2,558,603 searches. Data last updated May 28, 2026.
Use the filters below to find and compare flights from Spain to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ValenciaWashington, D.C.

VLC - IAD

VLCIAD

Valencia

Tue 9/29

6:15 am-3:30 pm

1 stop15h 15m

Washington, D.C. Dulles Intl

Tue 10/6

5:00 pm-9:05 am

1 stop10h 05m

$543

ValenciaWashington, D.C.

VLC - IAD

VLCIAD

Valencia

Tue 9/29

6:15 am-6:50 pm

1 stop18h 35m

Washington, D.C. Dulles Intl

Wed 10/14

5:00 pm-9:05 am

1 stop10h 05m

$543

ValenciaWashington, D.C.

VLC - IAD

VLCIAD

Valencia

Thu 10/8

5:40 am-3:30 pm

1 stop15h 50m

Washington, D.C. Dulles Intl

Mon 10/12

5:00 pm-5:00 pm

1 stop18h 00m

$543

MálagaWashington, D.C.

AGP - IAD

AGPIAD

Malaga

Sun 9/6

12:50 pm-2:30 pm

1 stop31h 40m

Washington, D.C. Dulles Intl

Sun 9/13

4:30 pm-12:00 pm

1 stop13h 30m

$551

MálagaWashington, D.C.

AGP - IAD

AGPIAD

Malaga

Thu 6/18

9:10 am-3:30 pm

1 stop12h 20m

Washington, D.C. Dulles Intl

Sun 7/12

5:00 pm-4:55 pm

1 stop17h 55m

$562

AlicanteWashington, D.C.

ALC - IAD

ALCIAD

Alicante

Wed 11/4

9:35 am-4:20 pm

1 stop12h 45m

Washington, D.C. Dulles Intl

Tue 11/10

8:09 pm-9:45 am

2 stops31h 36m

$573

MálagaWashington, D.C.

AGP - IAD

AGPIAD

Malaga

Thu 10/1

9:10 am-3:30 pm

1 stop12h 20m

Washington, D.C. Dulles Intl

Mon 10/5

5:00 pm-4:55 pm

1 stop17h 55m

$579

SevilleWashington, D.C.

SVQ - IAD

SVQIAD

Sevilla

Fri 10/16

6:30 am-8:35 pm

1 stop20h 05m

Washington, D.C. Dulles Intl

Mon 10/19

5:40 pm-12:55 am

1 stop25h 15m

$583

ValenciaWashington, D.C.

VLC - IAD

VLCIAD

Valencia

Sun 6/7

5:25 pm-2:30 pm

1 stop27h 05m

Washington, D.C. Dulles Intl

Mon 6/22

4:30 pm-4:35 pm

1 stop18h 05m

$618

ValenciaWashington, D.C.

VLC - IAD

VLCIAD

Valencia

Mon 6/8

8:30 pm-3:50 pm

1 stop25h 20m

Washington, D.C. Dulles Intl

Thu 7/9

5:45 pm-7:35 pm

1 stop19h 50m

$669

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/26

Showing 1-10 of 60 resultsSorted by cheapest first
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6

Best time to book a flight from Spain to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Spain with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Spain to Washington, D.C. Dulles Intl Airport

What is the cheapest month to book a flight from Spain to Washington, D.C. Dulles Intl Airport?

Currently, September is the cheapest month in which you can book a flight from Spain to Washington, D.C. Dulles Intl Airport (average of $296). Flying from Spain to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $533). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ES to IAD?

Find hourly flight availability from Spain to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 28, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Spain to Washington, D.C. Dulles Intl Airport as you normally would.

Weekly flight availability from Spain to Washington, D.C. Dulles Intl Airport

Explore weekly flight availability from Spain to Dulles Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated May 28, 2026.

The most flights from ES0 to IAD are scheduled on a Monday (9 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (9 on average).

How often are flights from Spain to Washington, D.C. delayed?

About 14% of weekly flights between Spain and Washington, D.C. have experienced delays in the past year, with the average delay time being 174 minutes.

What is the most punctual flight time for Spain to Washington, D.C. flights?

Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Saturday tends to have the lowest number of delays on this route, whereas Monday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Spain to Washington, D.C. flights?

Over the last year, Iberia have had the lowest number of delays on this route, with just 7% of flights being delayed.

How far ahead should I book a flight from Spain to Washington, D.C. Dulles Intl Airport?

The best time to book flights from Spain to Washington, D.C. Dulles Intl Airport is 87 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dulles Intl. Reviews last updated May 28, 2026.
See what other customers who have flown with United Airlines,TAP AIR PORTUGAL, andIberia from Spain to Washington, D.C. Dulles Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,763 reviews

Food

6.6

Boarding

7.7

Crew

8.1

Overall

7.4

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.
United Airlines
7.4
Good
9,763 reviews
United Airlines
7.4
Good
9,763 reviews

Food

6.6

Boarding

7.7

Crew

8.1

Overall

7.4

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.
TAP AIR PORTUGAL
7.2
Good
2,262 reviews
United Airlines
7.4
Good
9,763 reviews

Food

6.6

Boarding

7.7

Crew

8.1

Overall

7.4

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.
Iberia
7.0
Good
3,222 reviews
United Airlines
7.4
Good
9,763 reviews

Food

6.6

Boarding

7.7

Crew

8.1

Overall

7.4

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.
Lufthansa
6.8
Okay
8,032 reviews
United Airlines
7.4
Good
9,763 reviews

Food

6.6

Boarding

7.7

Crew

8.1

Overall

7.4

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.

Related info for your journey

Find useful and relevant information for your journey from Spain to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Spain to Washington, D.C. Dulles Intl Airport?

    Airlines like Iberia, ITA Airways, and British Airways fly from Spain to Washington, D.C. Dulles Intl Airport in about 12h 20m. The time it takes to get you to your destination can typically vary by up to 19h 20m. Airlines will cover a distance of 3871 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Spain to Washington, D.C. Dulles Intl Airport one-way?

    $287 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on TAP AIR PORTUGAL and Iberia, with prices starting from $287 and $323, respectively.

  • What are the most popular routes from Spain to Washington, D.C. Dulles Intl Airport?

    When deciding which route to take from Spain to Washington, D.C. Dulles Intl Airport consider Madrid Barajas - Washington, D.C. Dulles Intl, Barcelona-El Prat - Washington, D.C. Dulles Intl or Malaga - Washington, D.C. Dulles Intl as they are the most popular.

  • What are the most reliable airlines from Spain to Washington, D.C. Dulles Intl Airport?

    The top 3 most reliable airlines when flying from Spain to Washington, D.C. Dulles Intl Airport are American Airlines (92%), Qatar Airways (92%) and Aer Lingus (92%).

  • What are the cheapest flights from Spain to Washington, D.C. Dulles Intl Airport?

    While on average a flight from Spain to Washington, D.C. Dulles Intl Airport is generally $857, our data shows the cheapest flight currently is $445. When looking at the most popular route, (Madrid Barajas - Washington, D.C. Dulles Intl), you can expect to pay $516 for that flight.

  • Can I find deals for flights from Spain to Dulles Intl that include hotel bookings?

    Yes. In addition to deals on Spain to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Spain to Dulles Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Spain to Dulles Intl.

  • Can I find deals for business class flights from Spain to Dulles Intl?

    Yes. Cheapflights offers flight deals from Spain to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Spain to Washington, D.C. Dulles Intl Airport?

    Currently, September is the cheapest month in which you can book a flight from Spain to Washington, D.C. Dulles Intl Airport (average of $296). Flying from Spain to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $533). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Alexandria
Tysons
Owings Mills
Springfield
Arlington
Reston
Herndon
Fredericksburg
Rockville
Hyattsville
Manassas
Hanover
Chantilly
Laurel
Falls Church
Waldorf
Silver Spring
Largo
Clinton
Hunt Valley

Browse thousands of different options on Cheapflights for your next trip

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Top 4 airlines flying from Spain to Dulles Intl

Discover the top 4 airlines that operate flights from Spain to Dulles Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$477Average$696FlexibilityNo cancel feeOn-time77%
TAP AIR PORTUGALCheapest$498Average$695FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$554Average$1,033FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$593Average$886FlexibilityNo cancel feeOn-time76%

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