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$249+ Cheap flights from Dulles Intl (IAD) to Spain

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.
IAD — MAD
dic. 17 — dic. 241
mié. 12/17
mié. 12/24
1 adult, Economy
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Cheap flight deals from Dulles Intl to Spain

Keep the following information in mind while searching for Dulles Intl to Spain flight deals. Data was last updated noviembre 17, 2025.

Round-trip from

$437
(oojo)

One-way from

$249
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$595

Good round-trip deal

$606 or less

Good one-way deal

$399 or less
From Washington, D.C. Dulles Intl to Spain
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One-way flight from Washington, D.C. Dulles Intl to Spain
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Highest demand for flights based on searches. 20% potential increase in price ($202 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($38 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Price to beat on a round-trip flight from Washington, D.C. Dulles Intl to Spain.
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Price to beat on a one-way flight from Washington, D.C. Dulles Intl to Spain.
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Find flight deals from Dulles Intl to Spain

Cheapest flights from Dulles Intl to Spain
Explore the most affordable flight options available from Dulles Intl to Spain. Find the lowest fares from popular airlines and budget airlines, with prices last updated on noviembre 17, 2025.

This oojo deal was found by Cheapflights users on 11/15. 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.
lun. 12/15:30 pmIAD - VLC
1 stop18h 00mTAP AIR PORTUGAL
mar. 12/96:15 pmVLC - IAD
1 stop32h 45mTAP AIR PORTUGAL
Deal found 11/15$434
This Kiwi.com deal was found by Cheapflights users on 11/15. 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.
dom. 11/166:05 pmIAD - BCN
Nonstop8h 15mLufthansa
mar. 11/2512:50 pmBCN - IAD
1 stop13h 25mLufthansa
Deal found 11/15$462
This Flightnetwork deal was found by Cheapflights users on 11/15. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/169:45 amIAD - BCN
1 stop17h 50mAir Canada
mar. 11/251:35 pmBCN - IAD
1 stop13h 19mAir Canada
Deal found 11/15$464
This oojo deal was found by Cheapflights users on 11/15. 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.
sáb. 11/295:30 pmIAD - BCN
1 stop12h 15mTAP AIR PORTUGAL
vie. 12/510:55 amBCN - IAD
1 stop16h 05mTAP AIR PORTUGAL
Deal found 11/15$465
This Booking.com deal was found by Cheapflights users on 11/16. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/179:45 amIAD - BCN
1 stop17h 50mAir Canada
mar. 11/251:35 pmBCN - IAD
1 stop13h 19mAir Canada
Deal found 11/16$467
This Booking.com deal was found by Cheapflights users on 11/15. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/199:45 amIAD - BCN
1 stop17h 50mMultiple Airlines
mié. 11/2611:55 amBCN - IAD
1 stop14h 10mMultiple Airlines
Deal found 11/15$470
This Delta deal was found by Cheapflights users on 11/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/99:40 pmIAD - VLC
1 stop32h 20mDelta
mar. 1/136:00 amVLC - IAD
1 stop16h 05mDelta
Deal found 11/16$472
This oojo deal was found by Cheapflights users on 11/15. 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.
sáb. 12/65:30 pmIAD - BCN
1 stop20h 50mTAP AIR PORTUGAL
sáb. 12/136:05 pmBCN - IAD
1 stop32h 55mTAP AIR PORTUGAL
Deal found 11/15$472
This British Airways deal was found by Cheapflights users on 11/16. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/99:45 pmIAD - VLC
1 stop31h 30mBritish Airways
lun. 1/124:55 pmVLC - IAD
1 stop28h 40mBritish Airways
Deal found 11/16$473
This lol.travel deal was found by Cheapflights users on 11/15. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/1912:42 pmIAD - BCN
2 stops14h 53mAir Canada
mié. 11/269:55 amBCN - IAD
2 stops16h 59mAir Canada
Deal found 11/15$474
This KAYAK deal was found by Cheapflights users on 11/16. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/88:30 pmIAD - VLC
1 stop33h 40mSWISS
mié. 1/141:20 pmVLC - IAD
1 stop33h 20mSWISS
Deal found 11/16$475
This Delta deal was found by Cheapflights users on 11/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/76:05 pmIAD - VLC
1 stop16h 05mDelta
jue. 1/156:00 amVLC - IAD
1 stop16h 05mDelta
Deal found 11/16$476

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to Spain 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 noviembre 17, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Spain that are best for you.

Fly from

Dulles Intl

Fly to

Spain

Route

Depart

Return

Price

Washington, D.C.Valencia

IAD - VLC

IADVLC

Washington, D.C. Dulles Intl

mié. 1/21

10:30 pm-11:15 am

1 stop30h 45m

Valencia

lun. 1/26

6:15 pm-2:35 pm

1 stop26h 20m

$441

Washington, D.C.Valencia

IAD - VLC

IADVLC

Washington, D.C. Dulles Intl

mar. 12/9

9:40 pm-12:00 pm

1 stop32h 20m

Valencia

mar. 1/13

6:00 am-4:05 pm

1 stop16h 05m

$472

Washington, D.C.Valencia

IAD - VLC

IADVLC

Washington, D.C. Dulles Intl

mar. 12/9

9:45 pm-11:15 am

1 stop31h 30m

Valencia

lun. 1/12

4:55 pm-3:35 pm

1 stop28h 40m

$473

Washington, D.C.Valencia

IAD - VLC

IADVLC

Washington, D.C. Dulles Intl

mié. 12/10

6:05 pm-9:35 am

1 stop33h 30m

Valencia

mié. 1/14

4:55 pm-4:05 pm

1 stop29h 10m

$476

Washington, D.C.Madrid

IAD - MAD

IADMAD

Washington, D.C. Dulles Intl

vie. 1/9

6:20 pm-11:55 am

1 stop11h 35m

Madrid Barajas

mar. 1/20

12:50 pm-7:55 pm

1 stop13h 05m

$481

Washington, D.C.Madrid

IAD - MAD

IADMAD

Washington, D.C. Dulles Intl

jue. 1/8

6:20 pm-1:35 pm

1 stop13h 15m

Madrid Barajas

mar. 1/13

10:25 am-7:55 pm

1 stop15h 30m

$481

Washington, D.C.Valencia

IAD - VLC

IADVLC

Washington, D.C. Dulles Intl

mié. 12/10

6:05 pm-9:35 am

1 stop33h 30m

Valencia

vie. 1/16

6:05 am-4:35 pm

1 stop16h 30m

$482

Washington, D.C.Valencia

IAD - VLC

IADVLC

Washington, D.C. Dulles Intl

dom. 12/7

6:05 pm-4:10 pm

1 stop16h 05m

Valencia

vie. 1/16

6:05 am-4:35 pm

1 stop16h 30m

$482

Washington, D.C.Valencia

IAD - VLC

IADVLC

Washington, D.C. Dulles Intl

mié. 12/3

6:05 pm-9:35 am

1 stop33h 30m

Valencia

mié. 12/17

12:55 pm-7:30 pm

1 stop12h 35m

$482

Washington, D.C.Madrid

IAD - MAD

IADMAD

Washington, D.C. Dulles Intl

jue. 12/4

6:00 pm-7:40 am

Nonstop7h 40m

Madrid Barajas

mié. 12/10

1:00 pm-11:08 pm

1 stop16h 08m

$484

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/17

Showing 1-10 of 60 results
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Best time to book a flight from Dulles Intl to Spain

Have a flexible travel schedule? Discover the best time to fly to Spain from Dulles Intl 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 Washington, D.C. Dulles Intl Airport to Spain

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

Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Spain (average of $347). Flying from Washington, D.C. Dulles Intl Airport to Spain in June is currently the most expensive (average of $594). 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 IAD to ES?

Find hourly flight availability from Dulles Intl to Spain. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated noviembre 17, 2025.

One of the essential ways to save on airfare from Washington, D.C. Dulles Intl Airport to Spain is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 25% on airfare.

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

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

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

How often are flights $[0, preposition:'from ']$[0, article:'from ']$[0, place:'from'] $[1, preposition:'to ']$[1, article:'to ']$[1, place:'to'] delayed?

About 22% of weekly flights between $[0, place:'genitive'] and $[1, place:'genitive'] have experienced delays in the past year, with the average delay time being 175 minutes.

What is the most punctual flight time for $[0,article:'genitive ']$[0,place:'genitive'] $[1, preposition:'to ']$[1, article:'to ']$[1, place:'to'] flights?

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

Which airline has the best punctuality record on $[0,article:'genitive ']$[0,place:'genitive'] $[1, preposition:'to ']$[1, article:'to ']$[1, place:'to'] flights?

Over the last year, Iberia have had the lowest number of delays on this route, with just 14% of flights being delayed.

Reviews of airlines servicing Spain

Get insights into the airlines that provide service to Spain. 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 Spain. Reviews last updated noviembre 17, 2025.
Read through reviews of airlines operating flights from Washington, D.C. Dulles Intl Airport to Spain, such as United Airlines, American Airlines, and TAP AIR PORTUGAL. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,014 reviews

Food

6.6

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Crew

8.1

Overall

7.4

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
9,014 reviews
United Airlines
7.4
Good
9,014 reviews

Food

6.6

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Crew

8.1

Overall

7.4

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
American Airlines
7.2
Good
11,046 reviews
United Airlines
7.4
Good
9,014 reviews

Food

6.6

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Crew

8.1

Overall

7.4

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
2,064 reviews
United Airlines
7.4
Good
9,014 reviews

Food

6.6

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Crew

8.1

Overall

7.4

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
3,020 reviews
United Airlines
7.4
Good
9,014 reviews

Food

6.6

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Crew

8.1

Overall

7.4

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
British Airways
6.7
Okay
7,529 reviews
United Airlines
7.4
Good
9,014 reviews

Food

6.6

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Crew

8.1

Overall

7.4

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 Dulles Intl to Spain. 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 Washington, D.C. Dulles Intl Airport to Spain?

    Departing from Washington, D.C. Dulles Intl Airport to Spain will take you 30h 45m. The distance from Washington, D.C. Dulles Intl Airport to Spain is about 3980 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    The cheapest airline one-way is TAP AIR PORTUGAL, with whom users have recently found tickets for as low as $292. However, be on the lookout for offers from Royal Air Maroc and Scandinavian Airlines, as they are both options that can get you from Washington, D.C. Dulles Intl Airport to Spain for a low price.

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

    The most popular route from Washington, D.C. Dulles Intl Airport to Spain is Washington, D.C. Dulles Intl - Madrid Barajas. You may also consider Washington, D.C. Dulles Intl - Barcelona-El Prat or Washington, D.C. Dulles Intl - Sevilla.

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

    Consider American Airlines (92%), Qatar Airways (92%) or Aer Lingus (92%) when booking your flight. These represent the most reliable airlines when flying from Washington, D.C. Dulles Intl Airport to Spain.

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

    The cheapest flight price from Washington, D.C. Dulles Intl Airport to Spain is $394. On average you can expect to pay $604. The most popular route, (Washington, D.C. Dulles Intl - Madrid Barajas), can usually be booked for $331.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Dulles Intl to Spain 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 Washington, D.C. Dulles Intl Airport to Spain?

    Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Spain (average of $347). Flying from Washington, D.C. Dulles Intl Airport to Spain in June is currently the most expensive (average of $594). 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

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Alternative routes for Dulles Intl to Spain

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

Top 10 airlines flying from Dulles Intl to Spain

Discover the top 10 airlines that operate flights from Dulles Intl to Spain. 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 noviembre 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Brussels AirlinesCheapest$198Average$733FlexibilityNo cancel feeOn-timeN/A
SWISSCheapest$322Average$831FlexibilityNo cancel feeOn-time79%
TAP AIR PORTUGALCheapest$324Average$630FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$353Average$510FlexibilityNo cancel feeOn-time67%
IcelandairCheapest$389Average$579FlexibilityNo cancel feeOn-time76%
IberiaCheapest$389Average$740FlexibilityNo cancel feeOn-time77%
Scandinavian AirlinesCheapest$409Average$592FlexibilityNo cancel feeOn-time77%
KLMCheapest$409Average$692FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$426Average$729FlexibilityNo cancel feeOn-time69%
FinnairCheapest$448Average$584FlexibilityNo cancel feeOn-time76%

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