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$225+ 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 2/9. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — MAD
Jan 4 — Jan 111
Sun 1/4
Sun 1/11
1 adult, Economy
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Cheap 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 December 5, 2025.

This oojo deal was found by Cheapflights users on 12/2. 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.
Sat 12/65:30 pmIAD - VLC
1 stop24h 00mTAP AIR PORTUGAL
Sun 12/1412:00 pmVLC - IAD
1 stop33h 15mTAP AIR PORTUGAL
Deal found 12/2$417
This oojo deal was found by Cheapflights users on 12/4. 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 12/710:30 pmIAD - BCN
1 stop29h 35mTAP AIR PORTUGAL
Thu 1/226:45 amBCN - IAD
1 stop14h 30mTAP AIR PORTUGAL
Deal found 12/4$449
This Delta deal was found by Cheapflights users on 12/3. 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.
Wed 12/316:50 pmIAD - BIO
1 stop10h 40mDelta
Tue 3/37:25 amBIO - IAD
1 stop15h 10mDelta
Deal found 12/3$456
This Delta deal was found by Cheapflights users on 12/3. 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.
Wed 12/319:40 pmIAD - BIO
1 stop13h 40mDelta
Mon 3/211:55 amBIO - IAD
1 stop34h 10mDelta
Deal found 12/3$457
This Delta deal was found by Cheapflights users on 12/3. 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.
Wed 12/316:50 pmIAD - BIO
1 stop16h 30mDelta
Thu 2/267:25 amBIO - IAD
2 stops17h 44mDelta
Deal found 12/3$466
This Delta deal was found by Cheapflights users on 12/2. 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.
Wed 12/316:05 pmIAD - VLC
1 stop22h 55mDelta
Fri 1/166:05 amVLC - IAD
1 stop16h 30mDelta
Deal found 12/2$469
This Delta deal was found by Cheapflights users on 12/2. 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.
Wed 12/316:05 pmIAD - VLC
1 stop16h 05mDelta
Tue 1/206:00 amVLC - IAD
1 stop16h 05mDelta
Deal found 12/2$470
This Cheapflightsfares deal was found by Cheapflights users on 12/2. 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.
Sun 12/76:05 pmIAD - BCN
Nonstop8h 15mMultiple Airlines
Tue 12/169:55 amBCN - IAD
1 stop12h 45mMultiple Airlines
Deal found 12/2$470
This Cheapflightsfares deal was found by Cheapflights users on 12/2. 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.
Wed 12/36:05 pmIAD - BCN
Nonstop8h 15mLufthansa
Wed 12/1011:55 amBCN - IAD
1 stop14h 10mLufthansa
Deal found 12/2$473
This Delta deal was found by Cheapflights users on 12/2. 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.
Wed 12/3112:32 pmIAD - VLC
2 stops21h 38mDelta
Thu 1/226:05 amVLC - IAD
1 stop16h 30mDelta
Deal found 12/2$474
This Kiwi.com deal was found by Cheapflights users on 12/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/26:05 pmIAD - BCN
Nonstop8h 15mLufthansa
Tue 12/910:30 amBCN - IAD
Nonstop9h 30mLufthansa
Deal found 12/1$475
This Cheapflightsfares deal was found by Cheapflights users on 12/3. 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.
Wed 12/3110:55 pmIAD - BIO
1 stop13h 10mLufthansa
Sat 2/286:45 amBIO - IAD
1 stop19h 30mLufthansa
Deal found 12/3$476

Find 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 December 5, 2025.

Round-trip from

$410
(oojo)

One-way from

$225
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$785

Good round-trip deal

$551 or less

Good one-way deal

$399 or less
From Washington, D.C. Dulles Intl to Spain
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Spain
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($202 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($37 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Washington, D.C. Dulles Intl to Spain.
Search Deals
Price to beat on a one-way flight from Washington, D.C. Dulles Intl to Spain.
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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 December 5, 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

Tue 2/17

5:30 pm-11:15 am

1 stop11h 45m

Valencia

Tue 3/3

6:15 pm-9:00 pm

1 stop32h 45m

$414

Washington, D.C.Palma de Mallorca

IAD - PMI

IADPMI

Washington, D.C. Dulles Intl

Thu 1/29

12:23 pm-11:25 am

2 stops17h 02m

Palma de Mallorca Son Sant Joan

Wed 2/11

9:55 am-5:15 pm

1 stop13h 20m

$416

Washington, D.C.Valencia

IAD - VLC

IADVLC

Washington, D.C. Dulles Intl

Wed 1/21

10:30 pm-11:15 am

1 stop30h 45m

Valencia

Sun 1/25

12:00 pm-3:15 pm

1 stop33h 15m

$421

Washington, D.C.Valencia

IAD - VLC

IADVLC

Washington, D.C. Dulles Intl

Sun 2/22

6:20 pm-3:50 pm

1 stop15h 30m

Valencia

Wed 3/4

7:15 am-7:55 pm

2 stops18h 40m

$431

Washington, D.C.Palma de Mallorca

IAD - PMI

IADPMI

Washington, D.C. Dulles Intl

Sun 2/1

12:23 pm-6:20 pm

2 stops23h 57m

Palma de Mallorca Son Sant Joan

Sun 2/8

12:00 pm-5:15 pm

1 stop35h 15m

$434

Washington, D.C.Valencia

IAD - VLC

IADVLC

Washington, D.C. Dulles Intl

Thu 1/22

5:30 pm-11:30 pm

1 stop24h 00m

Valencia

Mon 1/26

6:15 pm-2:35 pm

1 stop26h 20m

$448

Washington, D.C.Valencia

IAD - VLC

IADVLC

Washington, D.C. Dulles Intl

Tue 3/24

10:45 pm-11:15 am

1 stop31h 30m

Valencia

Thu 4/2

9:15 pm-5:25 pm

1 stop26h 10m

$453

Washington, D.C.Valencia

IAD - VLC

IADVLC

Washington, D.C. Dulles Intl

Tue 3/24

10:45 pm-11:15 am

1 stop31h 30m

Valencia

Tue 4/7

8:25 pm-5:25 pm

1 stop27h 00m

$453

Washington, D.C.Bilbao

IAD - BIO

IADBIO

Washington, D.C. Dulles Intl

Wed 12/31

6:50 pm-5:20 pm

1 stop16h 30m

Bilbao

Wed 2/25

7:25 am-4:35 pm

1 stop15h 10m

$456

Washington, D.C.Bilbao

IAD - BIO

IADBIO

Washington, D.C. Dulles Intl

Wed 12/31

6:50 pm-11:30 am

1 stop10h 40m

Bilbao

Fri 2/27

7:25 am-7:09 pm

2 stops17h 44m

$466

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/3

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 December 5, 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 26% 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 Monday evenings 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 from Washington, D.C. to Spain delayed?

About 21% of weekly flights between Washington, D.C. and Spain have experienced delays in the past year, with the average delay time being 174 minutes.

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

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

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

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

Over the last year, Iberia have had the lowest number of delays on this route, with just 13% 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 December 5, 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
9,064 reviews

Comfort

7.3

Crew

8.1

Overall

7.4

Boarding

7.7

Entertainment

7.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
United Airlines
7.4
Good
9,064 reviews
United Airlines
7.4
Good
9,064 reviews

Comfort

7.3

Crew

8.1

Overall

7.4

Boarding

7.7

Entertainment

7.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
American Airlines
7.2
Good
11,047 reviews
United Airlines
7.4
Good
9,064 reviews

Comfort

7.3

Crew

8.1

Overall

7.4

Boarding

7.7

Entertainment

7.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
TAP AIR PORTUGAL
7.1
Good
2,081 reviews
United Airlines
7.4
Good
9,064 reviews

Comfort

7.3

Crew

8.1

Overall

7.4

Boarding

7.7

Entertainment

7.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
Iberia
7.0
Good
3,040 reviews
United Airlines
7.4
Good
9,064 reviews

Comfort

7.3

Crew

8.1

Overall

7.4

Boarding

7.7

Entertainment

7.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
British Airways
6.7
Okay
7,562 reviews
United Airlines
7.4
Good
9,064 reviews

Comfort

7.3

Crew

8.1

Overall

7.4

Boarding

7.7

Entertainment

7.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

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 11h 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 $184. However, be on the lookout for offers from Icelandair and Turkish 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 - Malaga.

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

    Consider United Airlines (89%), American Airlines (87%) or Qatar Airways (87%) 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 $397. On average you can expect to pay $586. The most popular route, (Washington, D.C. Dulles Intl - Madrid Barajas), can usually be booked for $326.

  • 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
Reagan-National to Heathrow flights
Dulles Intl to Gatwick flights
Dulles Intl to Lisbon flights
Dulles Intl to Madrid flights
Dulles Intl to London City flights
Dulles Intl to Frankfurt flights
Dulles Intl to Dublin flights
Dulles Intl to Barcelona-El Prat flights
Dulles Intl to Istanbul flights
Baltimore to Gatwick flights
Dulles Intl to Orly flights
Reagan-National to Gatwick flights
Dulles Intl to Stansted flights
Dulles Intl to Athens flights
Reagan-National to Charles de Gaulle flights
Dulles Intl to Amsterdam flights
Baltimore to Charles de Gaulle flights
Reagan-National to Orly flights
Baltimore to Leonardo da Vinci/Fiumicino flights
Reagan-National to Leonardo da Vinci/Fiumicino flights
Dulles Intl to Luton flights
Baltimore to Madrid flights
Reagan-National to Madrid flights
Dulles Intl to Zurich flights
Dulles Intl to Keflavik Intl flights
Reagan-National to Istanbul flights
Reagan-National to Lisbon flights
Dulles Intl to Vienna flights
Baltimore to Barcelona-El Prat flights
Baltimore to Lisbon flights
Dulles Intl to Edinburgh flights
Baltimore to Istanbul flights
Reagan-National to Barcelona-El Prat flights
Baltimore to Luton flights
Baltimore to Keflavik Intl flights
Dulles Intl to Munich flights
Dulles Intl to Bruxelles-National flights
Baltimore to Dublin flights
Reagan-National to Keflavik Intl flights
Reagan-National to Dublin flights
Baltimore to Athens flights
Dulles Intl to Sabiha Gokcen flights
Reagan-National to Athens flights
Baltimore to Frankfurt flights
Baltimore to Amsterdam flights
Reagan-National to Frankfurt 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 December 5, 2025.
AirlineCheapestAverageFlexibilityOn-time
Brussels AirlinesCheapest$198Average$733FlexibilityNo cancel feeOn-timeN/A
TAP AIR PORTUGALCheapest$320Average$679FlexibilityNo cancel feeOn-timeN/A
SWISSCheapest$322Average$831FlexibilityNo cancel feeOn-time79%
Air CanadaCheapest$353Average$510FlexibilityNo cancel feeOn-time67%
IcelandairCheapest$385Average$540FlexibilityNo cancel feeOn-time76%
IberiaCheapest$390Average$750FlexibilityNo cancel feeOn-time77%
Scandinavian AirlinesCheapest$409Average$575FlexibilityNo cancel feeOn-time77%
KLMCheapest$409Average$728FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$425Average$740FlexibilityNo cancel feeOn-time69%
FinnairCheapest$448Average$568FlexibilityNo cancel feeOn-time76%

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