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Dulles Intl

$297+ 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 1/26. Fares are subject to change and may not be available on all flights or dates of travel.
MAD — IAD
Dec 2 — Dec 91
Tue 12/2
Tue 12/9
1 adult, Economy
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Find 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 November 2, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/139:15 amBIO - IAD
1 stop13h 15mIberia
Mon 11/176:00 pmIAD - BIO
1 stop12h 50mIberia
Deal found 10/31$375
This American Airlines deal was found by Cheapflights users on 10/31. 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 11/139:15 amBIO - IAD
1 stop13h 15mAmerican Airlines
Mon 11/176:00 pmIAD - BIO
1 stop12h 50mAmerican Airlines
Deal found 10/31$377
This American Airlines deal was found by Cheapflights users on 10/31. 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 11/277:00 amVLC - IAD
1 stop15h 30mAmerican Airlines
Thu 12/116:00 pmIAD - VLC
1 stop17h 05mAmerican Airlines
Deal found 10/31$377
This British Airways deal was found by Cheapflights users on 10/30. 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 12/49:10 amALC - IAD
1 stop13h 20mIberia
Tue 12/96:00 pmIAD - ALC
1 stop20h 55mIberia
Deal found 10/30$378
This American Airlines deal was found by Cheapflights users on 10/31. 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 12/49:10 amALC - IAD
1 stop13h 20mAmerican Airlines
Tue 12/96:00 pmIAD - ALC
1 stop32h 35mAmerican Airlines
Deal found 10/31$386
This Cheapflightsfares deal was found by Cheapflights users on 10/31. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/166:05 amVLC - IAD
1 stop16h 25mIberia
Sun 2/156:00 pmIAD - VLC
1 stop17h 05mIberia
Deal found 10/31$392
This American Airlines deal was found by Cheapflights users on 10/31. 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.
Fri 11/149:10 amAGP - IAD
1 stop12h 35mAmerican Airlines
Thu 11/276:00 pmIAD - AGP
1 stop12h 40mAmerican Airlines
Deal found 10/31$395
This Iberia deal was found by Cheapflights users on 10/31. 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 11/277:30 amVLC - IAD
2 stops15h 00mIberia
Thu 12/116:00 pmIAD - VLC
2 stops20h 45mIberia
Deal found 10/31$431
This Iberia deal was found by Cheapflights users on 10/31. 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.
Fri 11/147:00 amAGP - IAD
2 stops14h 45mIberia
Thu 11/276:00 pmIAD - AGP
1 stop32h 30mIberia
Deal found 10/31$447
This oojo deal was found by Cheapflights users on 11/1. 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.
Thu 12/46:30 amSVQ - IAD
1 stop14h 45mTAP AIR PORTUGAL
Tue 12/305:30 pmIAD - SVQ
1 stop24h 15mTAP AIR PORTUGAL
Deal found 11/1$459
This lol.travel deal was found by Cheapflights users on 11/1. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/46:30 amSVQ - IAD
1 stop14h 45mTAP AIR PORTUGAL
Tue 12/95:30 pmIAD - SVQ
1 stop9h 45mTAP AIR PORTUGAL
Deal found 11/1$462
This Icelandair deal was found by Cheapflights users on 10/31. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/2511:50 amBCN - IAD
1 stop12h 40mIcelandair
Sun 11/307:40 pmIAD - BCN
1 stop11h 35mIcelandair
Deal found 10/31$464

Cheap 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 November 2, 2025.

Round-trip from

$375
(Kiwi.com)

One-way from

$297
(Booking.com)

Popular in

July

Cheapest in

February

Average price

$552

Good round-trip deal

$614 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. 14% potential increase in price ($100 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
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 November 2, 2025.
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

Spain

Fly to

Dulles Intl

Route

Depart

Return

Price

AlicanteWashington, D.C.

ALC - IAD

ALCIAD

Alicante

Thu 12/4

9:10 am-4:30 pm

1 stop13h 20m

Washington, D.C. Dulles Intl

Tue 12/9

6:00 pm-8:55 pm

1 stop20h 55m

$378

MálagaWashington, D.C.

AGP - IAD

AGPIAD

Malaga

Fri 11/14

9:10 am-3:45 pm

1 stop12h 35m

Washington, D.C. Dulles Intl

Thu 11/27

6:00 pm-12:40 pm

1 stop12h 40m

$395

AlicanteWashington, D.C.

ALC - IAD

ALCIAD

Alicante

Sun 2/22

9:10 am-4:30 pm

1 stop13h 20m

Washington, D.C. Dulles Intl

Sat 2/28

6:00 am-8:35 am

2 stops20h 35m

$418

MálagaWashington, D.C.

AGP - IAD

AGPIAD

Malaga

Thu 3/5

9:10 am-4:30 pm

1 stop13h 20m

Washington, D.C. Dulles Intl

Mon 3/9

10:45 pm-12:40 pm

2 stops32h 55m

$442

MálagaWashington, D.C.

AGP - IAD

AGPIAD

Malaga

Fri 11/14

7:00 am-3:45 pm

2 stops14h 45m

Washington, D.C. Dulles Intl

Thu 11/27

6:00 pm-8:30 am

1 stop32h 30m

$447

AlicanteWashington, D.C.

ALC - IAD

ALCIAD

Alicante

Sun 2/22

6:25 pm-5:15 pm

1 stop28h 50m

Washington, D.C. Dulles Intl

Sat 2/28

8:30 pm-5:35 pm

1 stop15h 05m

$458

BarcelonaWashington, D.C.

BCN - IAD

BCNIAD

Barcelona-El Prat

Fri 11/14

6:00 am-4:05 pm

1 stop16h 05m

Washington, D.C. Dulles Intl

Fri 11/28

7:49 pm-5:05 pm

2 stops15h 16m

$468

BarcelonaWashington, D.C.

BCN - IAD

BCNIAD

Barcelona-El Prat

Fri 11/14

6:00 am-4:05 pm

1 stop16h 05m

Washington, D.C. Dulles Intl

Fri 11/28

6:50 pm-2:00 pm

1 stop13h 10m

$468

BarcelonaWashington, D.C.

BCN - IAD

BCNIAD

Barcelona-El Prat

Mon 1/19

6:00 am-4:05 pm

1 stop16h 05m

Washington, D.C. Dulles Intl

Thu 2/19

6:50 pm-2:00 pm

1 stop13h 10m

$468

BarcelonaWashington, D.C.

BCN - IAD

BCNIAD

Barcelona-El Prat

Wed 11/26

6:00 am-4:35 pm

1 stop16h 35m

Washington, D.C. Dulles Intl

Mon 12/1

12:11 pm-8:00 am

1 stop13h 49m

$477

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/1

Showing 1-10 of 60 results
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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, April is the cheapest month in which you can book a flight from Spain to Washington, D.C. Dulles Intl Airport (average of $276). Flying from Spain to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $595). 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 November 2, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 29% on flights from Spain to Washington, D.C. Dulles Intl Airport by exploring options for tickets at noon.

What is the cheapest day to fly from Spain to Washington, D.C. Dulles Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Spain to Dulles Intl. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Spain to Washington, D.C. Dulles Intl Airport flight should consider departing on Wednesday evenings when fares are most often at their lowest. Monday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 November 2, 2025.
See what other customers who have flown with United Airlines, TAP AIR PORTUGAL, and Iberia 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
8,993 reviews

Boarding

7.7

Overall

7.4

Entertainment

7.1

Crew

8.1

Food

6.6

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
8,993 reviews
United Airlines
7.4
Good
8,993 reviews

Boarding

7.7

Overall

7.4

Entertainment

7.1

Crew

8.1

Food

6.6

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
TAP AIR PORTUGAL
7.1
Good
2,041 reviews
United Airlines
7.4
Good
8,993 reviews

Boarding

7.7

Overall

7.4

Entertainment

7.1

Crew

8.1

Food

6.6

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
Iberia
7.0
Good
3,005 reviews
United Airlines
7.4
Good
8,993 reviews

Boarding

7.7

Overall

7.4

Entertainment

7.1

Crew

8.1

Food

6.6

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
Lufthansa
6.8
Okay
7,542 reviews
United Airlines
7.4
Good
8,993 reviews

Boarding

7.7

Overall

7.4

Entertainment

7.1

Crew

8.1

Food

6.6

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

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, American Airlines, and Scandinavian Airlines fly from Spain to Washington, D.C. Dulles Intl Airport in about 12h 35m. The time it takes to get you to your destination can typically vary by up to 16h 15m. 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?

    $306 is the cheapest one-way deal found within the past few days, from TAP AIR PORTUGAL. You may also be able to find cheap deals on British Airways and Royal Air Maroc, with prices starting from $335 and $379, 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 Bilbao - 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 (87%), Qatar Airways (87%) and Aer Lingus (87%).

  • 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 $986, our data shows the cheapest flight currently is $384. When looking at the most popular route, (Madrid Barajas - Washington, D.C. Dulles Intl), you can expect to pay $452 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, April is the cheapest month in which you can book a flight from Spain to Washington, D.C. Dulles Intl Airport (average of $276). Flying from Spain to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $595). 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
Woodbridge
Tysons
Arlington
Springfield
Hanover
Silver Spring
Fairfax
Fredericksburg
Falls Church
Owings Mills
Linthicum Heights
Manassas
Largo
Oxon Hill
Laurel
Towson
National Harbor
Waldorf
Bowie

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Alternative routes for Spain to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.
Frankfurt to Dulles Intl flights
Heathrow to Dulles Intl flights
Charles de Gaulle to Dulles Intl flights
Heathrow to Baltimore flights
Frankfurt to Baltimore flights
Orly to Dulles Intl flights
Frankfurt to Reagan-National flights
Charles de Gaulle to Baltimore flights
Heathrow to Reagan-National flights
Gatwick to Dulles Intl flights
Madrid to Dulles Intl flights
Istanbul to Dulles Intl flights
Barcelona-El Prat to Dulles Intl flights
Bruxelles-National to Dulles Intl flights
Gatwick to Baltimore flights
Charles de Gaulle to Reagan-National flights
London City to Dulles Intl flights
Stansted to Dulles Intl flights
Leonardo da Vinci/Fiumicino to Dulles Intl flights
Amsterdam to Dulles Intl flights
Gatwick to Reagan-National flights
Munich to Dulles Intl flights
Frederic Chopin to Dulles Intl flights
Luton to Dulles Intl flights
Madrid to Baltimore flights
Barcelona-El Prat to Baltimore flights
Vienna to Dulles Intl flights
Dublin to Dulles Intl flights
Barcelona-El Prat to Reagan-National flights
Zurich to Dulles Intl flights
London City to Reagan-National flights
Madrid to Reagan-National flights
Frederic Chopin to Baltimore flights
Leonardo da Vinci/Fiumicino to Reagan-National flights
Frankfurt-Hahn to Baltimore flights
Leonardo da Vinci/Fiumicino to Baltimore flights
Luton to Baltimore flights
Geneva to Dulles Intl flights
Berlin to Dulles Intl flights
Bruxelles-National to Baltimore flights
Berlin to Baltimore flights
Bruxelles-National to Reagan-National flights
Berlin to Reagan-National flights
Lisbon to Dulles Intl flights
Frederic Chopin to Reagan-National flights
Athens to Dulles Intl flights
Amsterdam to Baltimore flights

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 November 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest$343Average$661FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$477Average$680FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$481Average$821FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$513Average$736FlexibilityNo cancel feeOn-time76%

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