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Dulles Intl

$298+ 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 2/11. Fares are subject to change and may not be available on all flights or dates of travel.
MAD — IAD
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
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 December 18, 2025.

This Gotogate deal was found by Cheapflights users on 12/15. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/259:10 pmBCN - IAD
1 stop29h 50mTAP AIR PORTUGAL
Thu 1/85:30 pmIAD - BCN
1 stop14h 15mTAP AIR PORTUGAL
Deal found 12/15$618
This Gotogate deal was found by Cheapflights users on 12/16. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/226:00 pmMAD - IAD
1 stop26h 35mTAP AIR PORTUGAL
Tue 12/305:30 pmIAD - MAD
1 stop10h 00mTAP AIR PORTUGAL
Deal found 12/16$632
This Royal Air Maroc deal was found by Cheapflights users on 12/17. 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 Royal Air Maroc is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2712:35 pmVLC - IAD
1 stop12h 10mRoyal Air Maroc
Wed 12/318:45 pmIAD - VLC
1 stop15h 40mRoyal Air Maroc
Deal found 12/17$639
This oojo deal was found by Cheapflights users on 12/15. 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.
Tue 12/236:40 pmBIO - IAD
1 stop32h 20mTAP AIR PORTUGAL
Thu 1/15:30 pmIAD - BIO
1 stop18h 25mTAP AIR PORTUGAL
Deal found 12/15$659
This FlightHub deal was found by Cheapflights users on 12/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/227:20 pmBIO - IAD
1 stop25h 15mTAP AIR PORTUGAL
Thu 1/15:30 pmIAD - BIO
1 stop18h 25mTAP AIR PORTUGAL
Deal found 12/15$661
This Kiwi.com deal was found by Cheapflights users on 12/17. 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.
Fri 12/2612:35 pmBCN - IAD
1 stop14h 25mTAP AIR PORTUGAL
Thu 1/15:30 pmIAD - BCN
1 stop12h 15mTAP AIR PORTUGAL
Deal found 12/17$667
This Trip.com deal was found by Cheapflights users on 12/17. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/226:00 pmMAD - IAD
1 stop26h 35mTAP AIR PORTUGAL
Thu 1/85:30 pmIAD - MAD
1 stop17h 40mTAP AIR PORTUGAL
Deal found 12/17$667
This oojo deal was found by Cheapflights users on 12/17. 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 12/211:00 pmMAD - IAD
1 stop11h 45mRoyal Air Maroc
Sat 1/108:45 pmIAD - MAD
1 stop15h 20mRoyal Air Maroc
Deal found 12/17$676
This Gotogate deal was found by Cheapflights users on 12/17. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/236:15 pmVLC - IAD
1 stop32h 45mTAP AIR PORTUGAL
Wed 3/1811:30 pmIAD - VLC
1 stop13h 00mTAP AIR PORTUGAL
Deal found 12/17$678
This Kiwi.com deal was found by Cheapflights users on 12/17. 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.
Sat 12/276:45 amBCN - IAD
1 stop14h 30mTAP AIR PORTUGAL
Wed 12/3110:30 pmIAD - BCN
1 stop19h 15mTAP AIR PORTUGAL
Deal found 12/17$679
This oojo deal was found by Cheapflights users on 12/16. 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 12/211:00 pmMAD - IAD
1 stop11h 45mRoyal Air Maroc
Fri 1/98:45 pmIAD - MAD
1 stop15h 20mRoyal Air Maroc
Deal found 12/16$685
This Kiwi.com deal was found by Cheapflights users on 12/15. 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.
Sun 12/216:40 pmBIO - IAD
1 stop26h 35mTAP AIR PORTUGAL
Thu 1/15:30 pmIAD - BIO
1 stop18h 25mTAP AIR PORTUGAL
Deal found 12/15$697

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 December 18, 2025.

Round-trip from

$434
(Trip.com)

One-way from

$298
(Priceline)

Popular in

July

Cheapest in

February

Average price

$725

Good round-trip deal

$708 or less

Good one-way deal

$624 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. 13% potential increase in price ($94 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 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.
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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 December 18, 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

SevilleWashington, D.C.

SVQ - IAD

SVQIAD

Sevilla

Thu 1/29

6:30 am-3:15 pm

1 stop14h 45m

Washington, D.C. Dulles Intl

Tue 2/3

5:30 pm-3:15 pm

1 stop15h 45m

$443

SevilleWashington, D.C.

SVQ - IAD

SVQIAD

Sevilla

Thu 1/22

9:10 am-4:30 pm

1 stop13h 20m

Washington, D.C. Dulles Intl

Thu 1/29

6:00 pm-12:45 pm

1 stop12h 45m

$461

BilbaoWashington, D.C.

BIO - IAD

BIOIAD

Bilbao

Thu 1/15

6:45 am-4:30 pm

1 stop15h 45m

Washington, D.C. Dulles Intl

Mon 1/19

11:34 am-8:30 am

2 stops14h 56m

$462

BilbaoWashington, D.C.

BIO - IAD

BIOIAD

Bilbao

Thu 1/15

6:45 am-4:30 pm

1 stop15h 45m

Washington, D.C. Dulles Intl

Tue 1/20

6:00 pm-12:50 pm

1 stop12h 50m

$462

AlicanteWashington, D.C.

ALC - IAD

ALCIAD

Alicante

Thu 1/15

9:10 am-4:30 pm

1 stop13h 20m

Washington, D.C. Dulles Intl

Tue 1/20

6:00 pm-8:35 am

1 stop32h 35m

$472

SevilleWashington, D.C.

SVQ - IAD

SVQIAD

Sevilla

Sat 1/31

6:30 am-3:15 pm

1 stop14h 45m

Washington, D.C. Dulles Intl

Sat 2/7

5:30 pm-11:45 pm

1 stop24h 15m

$476

SevilleWashington, D.C.

SVQ - IAD

SVQIAD

Sevilla

Thu 1/22

9:10 am-4:30 pm

1 stop13h 20m

Washington, D.C. Dulles Intl

Thu 1/29

1:08 pm-8:30 am

2 stops13h 22m

$478

ValenciaWashington, D.C.

VLC - IAD

VLCIAD

Valencia

Thu 1/15

6:05 am-4:30 pm

1 stop16h 25m

Washington, D.C. Dulles Intl

Thu 1/29

9:45 pm-8:15 pm

1 stop16h 30m

$480

AlicanteWashington, D.C.

ALC - IAD

ALCIAD

Alicante

Thu 1/15

9:30 pm-11:12 pm

2 stops31h 42m

Washington, D.C. Dulles Intl

Tue 1/20

6:00 am-8:35 am

2 stops20h 35m

$506

SevilleWashington, D.C.

SVQ - IAD

SVQIAD

Sevilla

Sat 1/31

1:25 pm-4:30 pm

1 stop33h 05m

Washington, D.C. Dulles Intl

Sat 2/7

1:08 pm-8:30 am

2 stops13h 22m

$508

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

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 December 18, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 30% on flights from Spain to Washington, D.C. Dulles Intl Airport by exploring options for tickets at noon.

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

About 13% of weekly flights between Spain and Washington, D.C. have experienced delays in the past year, with the average delay time being 171 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 Tuesday 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 5% of flights being delayed.

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 December 18, 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
9,092 reviews

Entertainment

7.1

Crew

8.1

Overall

7.4

Boarding

7.7

Food

6.6

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability
United Airlines
7.4
Good
9,092 reviews
United Airlines
7.4
Good
9,092 reviews

Entertainment

7.1

Crew

8.1

Overall

7.4

Boarding

7.7

Food

6.6

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability
TAP AIR PORTUGAL
7.2
Good
2,091 reviews
United Airlines
7.4
Good
9,092 reviews

Entertainment

7.1

Crew

8.1

Overall

7.4

Boarding

7.7

Food

6.6

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability
Iberia
7.0
Good
3,053 reviews
United Airlines
7.4
Good
9,092 reviews

Entertainment

7.1

Crew

8.1

Overall

7.4

Boarding

7.7

Food

6.6

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability
Lufthansa
6.8
Okay
7,635 reviews
United Airlines
7.4
Good
9,092 reviews

Entertainment

7.1

Crew

8.1

Overall

7.4

Boarding

7.7

Food

6.6

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability

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 TAP AIR PORTUGAL, Iberia, and American Airlines fly from Spain to Washington, D.C. Dulles Intl Airport in about 13h 20m. The time it takes to get you to your destination can typically vary by up to 2h 25m. Airlines will cover a distance of 3779 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?

    $277 is the cheapest one-way deal found within the past few days, from Royal Air Maroc. You may also be able to find cheap deals on TAP AIR PORTUGAL and Icelandair, with prices starting from $283 and $326, 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 Valencia - 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 (84%), Qatar Airways (84%) and Aer Lingus (84%).

  • 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 $921, our data shows the cheapest flight currently is $407. When looking at the most popular route, (Madrid Barajas - Washington, D.C. Dulles Intl), you can expect to pay $439 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
Owings Mills
Springfield
Hanover
Silver Spring
Fredericksburg
Linthicum Heights
Rockville
Laurel
Towson
Manassas
National Harbor
Bowie
Largo
McLean
Clinton
Cordova

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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.
Heathrow to Dulles Intl flights
Charles de Gaulle to Dulles Intl flights
Frankfurt to Dulles Intl flights
Heathrow to Baltimore flights
Charles de Gaulle to Baltimore flights
Charles de Gaulle to Reagan-National flights
Orly to Dulles Intl flights
Madrid to Dulles Intl flights
Bruxelles-National to Dulles Intl flights
Gatwick to Dulles Intl flights
Heathrow to Reagan-National flights
Gatwick to Baltimore flights
London City to Dulles Intl flights
Istanbul to Dulles Intl flights
Frankfurt to Baltimore flights
Gatwick to Reagan-National flights
Amsterdam to Dulles Intl flights
Stansted to Dulles Intl flights
Madrid to Baltimore flights
Luton to Dulles Intl flights
Vienna to Dulles Intl flights
Munich to Dulles Intl flights
Dublin to Dulles Intl flights
Madrid to Reagan-National flights
Zurich to Dulles Intl flights
Frederic Chopin to Dulles Intl flights
Bruxelles-National to Baltimore flights
Bruxelles-National to Reagan-National flights
Frankfurt to Reagan-National flights
Amsterdam to Baltimore flights
Berlin to Dulles Intl flights
Leonardo da Vinci/Fiumicino to Dulles Intl flights
Barcelona-El Prat to Dulles Intl flights
Frederic Chopin to Baltimore flights
Berlin to Baltimore flights
Dublin to Reagan-National flights
Berlin to Reagan-National flights
Vienna to Baltimore flights
Lyon to Baltimore flights
Vicenza to Dulles Intl flights
Vienna to Reagan-National flights
Istanbul to Baltimore flights
Amsterdam to Reagan-National flights
Munich to Baltimore flights
Athens to Dulles Intl flights
Sabiha Gokcen to Dulles Intl flights
Luton 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest$406Average$644FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$477Average$758FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$513Average$743FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$516Average$829FlexibilityNo cancel feeOn-time69%

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