HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Spain

$220+ 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 4/28. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — MAD
Mar 5 — Mar 121
Thu 3/5
Thu 3/12
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Dulles Intl to Spain with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 February 3, 2026.

This oojo deal was found by Cheapflights users on 2/1. 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.
Wed 2/1810:30 pm
IAD
-
BCN
1 stop15h 50m
TAP AIR PORTUGAL
Wed 2/259:10 pm
BCN
-
IAD
1 stop24h 05m
TAP AIR PORTUGAL
Deal found 2/1$452
This oojo deal was found by Cheapflights users on 2/2. 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.
Sun 11/810:30 pm
IAD
-
BCN
1 stop19h 15m
TAP AIR PORTUGAL
Thu 11/196:45 am
BCN
-
IAD
1 stop14h 30m
TAP AIR PORTUGAL
Deal found 2/2$453
This Flightnetwork deal was found by Cheapflights users on 2/1. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/2210:30 pm
IAD
-
VLC
1 stop13h 00m
TAP AIR PORTUGAL
Mon 3/911:55 am
VLC
-
IAD
1 stop32h 40m
TAP AIR PORTUGAL
Deal found 2/1$453
This Booking.com deal was found by Cheapflights users on 2/2. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/810:30 pm
IAD
-
MAD
1 stop19h 00m
TAP AIR PORTUGAL
Tue 2/177:40 am
MAD
-
IAD
1 stop12h 55m
TAP AIR PORTUGAL
Deal found 2/2$458
This Mytrip deal was found by Cheapflights users on 1/31. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/19:45 am
IAD
-
MAD
2 stops20h 00m
Air Canada
Tue 2/101:35 pm
MAD
-
IAD
1 stop13h 19m
Air Canada
Deal found 1/31$459
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/187:00 pm
IAD
-
PMI
1 stop11h 50m
Austrian Airlines
Wed 3/2512:35 pm
PMI
-
IAD
1 stop32h 05m
Austrian Airlines
Deal found 2/2$461
This oojo deal was found by Cheapflights users on 2/1. 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.
Tue 11/245:25 pm
IAD
-
BIO
1 stop12h 00m
TAP AIR PORTUGAL
Sun 11/296:40 pm
BIO
-
IAD
1 stop26h 35m
TAP AIR PORTUGAL
Deal found 2/1$462
This Kiwi.com deal was found by Cheapflights users on 1/31. 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.
Mon 3/25:30 pm
IAD
-
MAD
1 stop11h 50m
TAP AIR PORTUGAL
Wed 3/112:55 pm
MAD
-
IAD
1 stop12h 05m
TAP AIR PORTUGAL
Deal found 1/31$463
This Mytrip deal was found by Cheapflights users on 2/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/49:45 am
IAD
-
MAD
1 stop16h 15m
Multiple Airlines
Tue 2/106:00 am
MAD
-
IAD
1 stop15h 50m
Multiple Airlines
Deal found 2/2$464
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/118:20 pm
IAD
-
PMI
1 stop16h 50m
Scandinavian Airlines
Sat 4/188:15 pm
PMI
-
IAD
1 stop26h 35m
Scandinavian Airlines
Deal found 2/2$465
This oojo deal was found by Cheapflights users on 2/1. 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.
Wed 2/2510:30 pm
IAD
-
MAD
1 stop19h 00m
TAP AIR PORTUGAL
Thu 3/57:40 am
MAD
-
IAD
1 stop13h 35m
TAP AIR PORTUGAL
Deal found 2/1$465
This oojo deal was found by Cheapflights users on 2/2. 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.
Sun 4/128:20 pm
IAD
-
PMI
1 stop30h 45m
Scandinavian Airlines
Sun 4/198:00 pm
PMI
-
IAD
1 stop26h 50m
Scandinavian Airlines
Deal found 2/2$466

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 February 3, 2026.

Round-trip from

$452
(oojo)

One-way from

$220
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$629

Good round-trip deal

$520 or less

Good one-way deal

$353 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. 21% potential increase in price ($205 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($38 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
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.
Search Deals

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 February 3, 2026.
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

Sun 2/22

10:30 pm-5:30 pm

1 stop13h 00m

Valencia

Mon 3/9

11:55 am-3:35 pm

1 stop32h 40m

$460

Washington, D.C.Madrid

IAD - MAD

IADMAD

Washington, D.C. Dulles Intl

Mon 2/16

1:13 pm-8:00 am

1 stop12h 47m

Madrid Barajas

Thu 2/26

1:35 pm-4:28 pm

2 stops32h 53m

$469

Washington, D.C.Palma de Mallorca

IAD - PMI

IADPMI

Washington, D.C. Dulles Intl

Wed 4/22

8:20 pm-5:30 pm

1 stop15h 10m

Palma de Mallorca Son Sant Joan

Mon 4/27

6:20 pm-4:45 pm

1 stop28h 25m

$480

Washington, D.C.Madrid

IAD - MAD

IADMAD

Washington, D.C. Dulles Intl

Tue 3/24

9:55 am-7:00 am

1 stop16h 05m

Madrid Barajas

Wed 4/1

11:15 am-2:00 pm

Nonstop8h 45m

$481

Washington, D.C.Madrid

IAD - MAD

IADMAD

Washington, D.C. Dulles Intl

Mon 4/13

10:08 pm-6:50 am

1 stop26h 42m

Madrid Barajas

Tue 4/21

5:55 am-3:05 pm

1 stop15h 10m

$481

Washington, D.C.Madrid

IAD - MAD

IADMAD

Washington, D.C. Dulles Intl

Sun 3/1

5:46 pm-8:00 am

1 stop32h 14m

Madrid Barajas

Tue 3/17

9:05 am-4:50 pm

1 stop12h 45m

$481

Washington, D.C.Madrid

IAD - MAD

IADMAD

Washington, D.C. Dulles Intl

Tue 3/3

1:13 pm-8:00 am

1 stop12h 47m

Madrid Barajas

Tue 3/10

9:05 am-4:50 pm

1 stop12h 45m

$481

Washington, D.C.Palma de Mallorca

IAD - PMI

IADPMI

Washington, D.C. Dulles Intl

Wed 4/8

8:20 pm-5:30 pm

1 stop15h 10m

Palma de Mallorca Son Sant Joan

Thu 4/16

9:40 am-4:45 pm

1 stop13h 05m

$485

Washington, D.C.Palma de Mallorca

IAD - PMI

IADPMI

Washington, D.C. Dulles Intl

Fri 4/24

8:20 pm-7:25 pm

1 stop17h 05m

Palma de Mallorca Son Sant Joan

Mon 5/4

9:55 am-4:50 pm

1 stop12h 55m

$486

Washington, D.C.Madrid

IAD - MAD

IADMAD

Washington, D.C. Dulles Intl

Mon 2/16

12:24 pm-9:10 am

2 stops14h 46m

Madrid Barajas

Mon 2/23

1:05 pm-4:05 pm

1 stop33h 00m

$488

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/2

Showing 1-10 of 60 results
1
2
3
...
6

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, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Spain (average of $337). Flying from Washington, D.C. Dulles Intl Airport to Spain in June is currently the most expensive (average of $589). 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.

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

About 20% of weekly flights between Washington, D.C. and Spain have experienced delays in the past year, with the average delay time being 179 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 Friday 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 February 3, 2026.
Read through reviews of airlines operating flights from Washington, D.C. Dulles Intl Airport to Spain, such as United Airlines, TAP AIR PORTUGAL, and Iberia. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,236 reviews

Entertainment

7.1

Boarding

7.7

Overall

7.4

Food

6.6

Crew

8.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,236 reviews
United Airlines
7.4
Good
9,236 reviews

Entertainment

7.1

Boarding

7.7

Overall

7.4

Food

6.6

Crew

8.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
TAP AIR PORTUGAL
7.1
Good
2,133 reviews
United Airlines
7.4
Good
9,236 reviews

Entertainment

7.1

Boarding

7.7

Overall

7.4

Food

6.6

Crew

8.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
Iberia
7.0
Good
3,103 reviews
United Airlines
7.4
Good
9,236 reviews

Entertainment

7.1

Boarding

7.7

Overall

7.4

Food

6.6

Crew

8.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
Lufthansa
6.8
Okay
7,759 reviews
United Airlines
7.4
Good
9,236 reviews

Entertainment

7.1

Boarding

7.7

Overall

7.4

Food

6.6

Crew

8.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
British Airways
6.7
Okay
7,712 reviews
United Airlines
7.4
Good
9,236 reviews

Entertainment

7.1

Boarding

7.7

Overall

7.4

Food

6.6

Crew

8.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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 12h 47m. The distance from Washington, D.C. Dulles Intl Airport to Spain is about 3803 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 American Airlines (80%), Qatar Airways (80%) or Aer Lingus (80%) 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 $237. On average you can expect to pay $1,169. The most popular route, (Washington, D.C. Dulles Intl - Madrid Barajas), can usually be booked for $396.

  • 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, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Spain (average of $337). Flying from Washington, D.C. Dulles Intl Airport to Spain in June is currently the most expensive (average of $589). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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
Baltimore to Heathrow flights
Dulles Intl to Charles de Gaulle flights
Dulles Intl to Leonardo da Vinci/Fiumicino flights
Dulles Intl to Lisbon flights
Reagan-National to Heathrow flights
Dulles Intl to Madrid flights
Dulles Intl to Gatwick flights
Dulles Intl to Dublin flights
Dulles Intl to Athens flights
Dulles Intl to London City flights
Dulles Intl to Barcelona-El Prat flights
Dulles Intl to Stansted flights
Dulles Intl to Istanbul flights
Baltimore to Gatwick flights
Reagan-National to Gatwick flights
Dulles Intl to Orly flights
Dulles Intl to Amsterdam flights
Reagan-National to Charles de Gaulle flights
Baltimore to Charles de Gaulle flights
Dulles Intl to Frankfurt flights
Baltimore to Leonardo da Vinci/Fiumicino flights
Reagan-National to Leonardo da Vinci/Fiumicino flights
Reagan-National to Orly flights
Reagan-National to Madrid flights
Dulles Intl to Edinburgh flights
Baltimore to Madrid flights
Dulles Intl to Zurich flights
Dulles Intl to Luton flights
Dulles Intl to Bruxelles-National flights
Dulles Intl to Keflavik Intl flights
Baltimore to Keflavik Intl flights
Baltimore to Lisbon flights
Reagan-National to Istanbul flights
Baltimore to Athens flights
Reagan-National to Lisbon flights
Reagan-National to Athens flights
Dulles Intl to Munich flights
Baltimore to Istanbul flights
Baltimore to Barcelona-El Prat flights
Dulles Intl to Copenhagen flights
Reagan-National to Dublin flights
Baltimore to Dublin flights
Dulles Intl to Malpensa flights
Reagan-National to Barcelona-El Prat flights
Dulles Intl to Vicenza flights
Dulles Intl to Linate flights
Dulles Intl to Oslo Gardermoen flights
Dulles Intl to Sabiha Gokcen flights
Reagan-National to Keflavik Intl 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 February 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
Brussels AirlinesCheapest$198Average$731FlexibilityNo cancel feeOn-timeN/A
SWISSCheapest$200Average$753FlexibilityNo cancel feeOn-time79%
TAP AIR PORTUGALCheapest$312Average$694FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$353Average$510FlexibilityNo cancel feeOn-time67%
IberiaCheapest$386Average$715FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$390Average$484FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$398Average$549FlexibilityNo cancel feeOn-time77%
KLMCheapest$409Average$565FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$415Average$755FlexibilityNo cancel feeOn-time69%
FinnairCheapest$423Average$552FlexibilityNo cancel feeOn-time76%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.