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Dulles Intl

$444+ Cheap flights from Madrid, Spain (MAD) 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 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
MAD — IAD
Aug 22 — Aug 291
Sat 8/22
Sat 8/29
1 adult, Economy
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Find cheap flights from Madrid to Dulles Intl 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

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3. Compare prices and book

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Cheapflights Tip: The best prices from Madrid Barajas to Washington, D.C. Dulles Intl are usually found in February or January, booked 72 days in advance, depart on a Thursday or Friday and return on a Tuesday

Cheap flight deals from Madrid to Dulles Intl

Cheapest flights from Madrid to Dulles Intl
Explore the most affordable flight options available from Madrid to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 23, 2026.

This deal was found by Cheapflights users on 7/22. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/3012:20 pm
MAD
-
IAD
Nonstop9h 10m
Iberia
Sat 9/125:00 pm
IAD
-
MAD
Nonstop7h 50m
Iberia
Deal found 7/22$613
This Iberia deal was found by Cheapflights users on 7/21. 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 9/43:55 pm
MAD
-
IAD
1 stop28h 07m
Iberia
Fri 9/116:52 am
IAD
-
MAD
1 stop25h 33m
Iberia
Deal found 7/21$615
This KAYAK deal was found by Cheapflights users on 7/22. 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.
Sun 11/112:10 pm
MAD
-
IAD
1 stop33h 05m
TAP AIR PORTUGAL
Fri 11/1310:30 pm
IAD
-
MAD
1 stop12h 40m
TAP AIR PORTUGAL
Deal found 7/22$618
This lol.travel deal was found by Cheapflights users on 7/22. 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 8/277:00 am
MAD
-
IAD
2 stops17h 33m
KLM
Wed 9/96:10 pm
IAD
-
MAD
1 stop13h 30m
KLM
Deal found 7/22$619
This eDestinos deal was found by Cheapflights users on 7/19. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2812:20 pm
MAD
-
IAD
Nonstop9h 10m
Iberia
Fri 9/45:45 pm
IAD
-
MAD
1 stop12h 55m
Iberia
Deal found 7/19$625
This American Airlines deal was found by Cheapflights users on 7/19. 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 9/243:45 pm
MAD
-
IAD
Nonstop9h 10m
American Airlines
Wed 10/75:00 pm
IAD
-
MAD
Nonstop7h 50m
American Airlines
Deal found 7/19$626
This deal was found by Cheapflights users on 7/22. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/3111:15 am
MAD
-
IAD
Nonstop8h 35m
United Airlines
Tue 9/1512:35 pm
IAD
-
MAD
1 stop14h 25m
United Airlines
Deal found 7/22$628
This Booking.com deal was found by Cheapflights users on 7/22. 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.
Sat 12/196:00 pm
MAD
-
IAD
1 stop32h 35m
TAP AIR PORTUGAL
Mon 1/45:25 pm
IAD
-
MAD
1 stop14h 40m
TAP AIR PORTUGAL
Deal found 7/22$629
This United Airlines deal was found by Cheapflights users on 7/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/311:50 am
MAD
-
IAD
1 stop13h 35m
United Airlines
Sat 10/310:19 pm
IAD
-
MAD
1 stop28h 31m
United Airlines
Deal found 7/22$630
This American Airlines deal was found by Cheapflights users on 7/20. 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.
Mon 8/3112:20 pm
MAD
-
IAD
Nonstop9h 10m
American Airlines
Mon 9/145:00 pm
IAD
-
MAD
Nonstop7h 50m
American Airlines
Deal found 7/20$632
This deal was found by Cheapflights users on 7/22. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/110:50 am
MAD
-
IAD
1 stop11h 45m
United Airlines
Sat 9/126:15 pm
IAD
-
MAD
Nonstop7h 50m
United Airlines
Deal found 7/22$633

Find flight deals from Madrid to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Madrid (MAD) to Dulles Intl (IAD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$613

One-way from

$444
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$895

Good round-trip deal

$844 or less

Good one-way deal

$642 or less
Provider with most accurate pricing for Madrid Barajas-Washington, D.C. Dulles Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Madrid Barajas-Washington, D.C. Dulles Intl flights.
Search Deals
From Madrid Barajas to Washington, D.C. Dulles Intl
Search Deals
One-way flight from Madrid Barajas to Washington, D.C. Dulles Intl
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($168 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from Madrid Barajas to Washington, D.C. Dulles Intl.
Search Deals
Price to beat on a one-way flight from Madrid Barajas to Washington, D.C. Dulles Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Madrid 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 July 23, 2026.
Use the filters below to find and compare flights from Madrid to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MadridWashington, D.C.

MAD - IAD

MADIAD

Madrid Barajas

Thu 10/22

6:00 am-5:33 pm

2 stops17h 33m

Washington, D.C. Dulles Intl

Sun 10/25

5:08 pm-3:20 pm

2 stops17h 12m

$634

MadridWashington, D.C.

MAD - IAD

MADIAD

Madrid Barajas

Sat 11/21

6:00 am-8:23 pm

2 stops20h 23m

Washington, D.C. Dulles Intl

Sat 12/26

10:17 pm-8:00 am

2 stops27h 43m

$710
Quickest round-trip

MadridWashington, D.C.

MAD - IAD

MADIAD

Madrid Barajas

Mon 11/23

11:00 am-2:00 pm

Nonstop9h 00m

Washington, D.C. Dulles Intl

Tue 12/1

6:10 pm-7:45 am

Nonstop7h 35m

$716

MadridWashington, D.C.

MAD - IAD

MADIAD

Madrid Barajas

Mon 10/5

11:15 am-2:05 pm

Nonstop8h 50m

Washington, D.C. Dulles Intl

Mon 10/19

8:33 am-9:00 am

1 stop18h 27m

$717

MadridWashington, D.C.

MAD - IAD

MADIAD

Madrid Barajas

Thu 9/24

11:15 am-2:05 pm

Nonstop8h 50m

Washington, D.C. Dulles Intl

Wed 10/7

8:33 am-9:00 am

1 stop18h 27m

$718

MadridWashington, D.C.

MAD - IAD

MADIAD

Madrid Barajas

Wed 8/12

1:00 pm-10:55 pm

1 stop15h 55m

Washington, D.C. Dulles Intl

Thu 8/27

10:25 pm-3:50 pm

1 stop11h 25m

$719

MadridWashington, D.C.

MAD - IAD

MADIAD

Madrid Barajas

Fri 8/14

6:00 am-4:05 pm

1 stop16h 05m

Washington, D.C. Dulles Intl

Mon 8/31

7:19 pm-7:15 pm

2 stops17h 56m

$727

MadridWashington, D.C.

MAD - IAD

MADIAD

Madrid Barajas

Fri 8/28

1:00 pm-8:56 pm

1 stop13h 56m

Washington, D.C. Dulles Intl

Wed 12/23

6:05 pm-12:15 pm

1 stop12h 10m

$729

MadridWashington, D.C.

MAD - IAD

MADIAD

Madrid Barajas

Thu 8/6

6:00 am-4:38 pm

2 stops16h 38m

Washington, D.C. Dulles Intl

Mon 8/10

9:45 pm-7:15 pm

1 stop15h 30m

$736

MadridWashington, D.C.

MAD - IAD

MADIAD

Madrid Barajas

Fri 8/21

1:00 pm-8:56 pm

1 stop13h 56m

Washington, D.C. Dulles Intl

Tue 9/1

5:45 pm-11:15 am

1 stop11h 30m

$736

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/22

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

Compare providers for flights from Madrid to Dulles Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Madrid to Dulles Intl in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Madrid-Washington, D.C. Dulles Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Madrid-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Madrid-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Madrid-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Madrid-Washington, D.C. Dulles Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Madrid to Dulles Intl

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

How far ahead should I book a flight from Madrid to Washington, D.C. Dulles Intl Airport?

The best time to book flights from Madrid to Washington, D.C. Dulles Intl Airport is 70 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, February is the cheapest month in which you can book a flight from Madrid to Washington, D.C. Dulles Intl Airport (average of $541). Flying from Madrid to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $895). 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 MAD to IAD?

Find hourly flight availability from Madrid 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 July 23, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Madrid to Washington, D.C. Dulles Intl Airport as you normally would.

How much does it cost to fly round-trip from Madrid to Washington, D.C. Dulles Intl Airport?

Airfare is below average for this route at the moment.

Madrid to Washington, D.C. Dulles Intl Airport flights typically cost between $746 and $1,002 in August.
The cheapest round-trip price found within the last 5 days was $613 on Iberia (Aug 30-Sep 12).

The best insider tips for Madrid to Washington, D.C. Dulles Intl Airport flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Madrid to Washington, D.C. Dulles Intl Airport trip
Our travel experts
Lori Zaino

Lori Zaino

Expert on MAD

US-born but now based in Spain, Lori's visited 60 countries---and written about them for publications like CNN, Forbes, The Points Guy, NBC, and TripAdvisor. She loves combining affordable adventures with luxury travel experiences and feels equally at home salsa dancing in Colombia, sipping wine in a French castle, or backpacking through Malaysia.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on IAD

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more

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 July 23, 2026.
Read reviews from past customers who have flown United Airlines,TAP AIR PORTUGAL, andIberia from Madrid to Washington, D.C. Dulles Intl Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
10,024 reviews

Comfort

7.3

Crew

8.1

Entertainment

7.1

Overall

7.4

Boarding

7.7

Food

6.6

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
10,024 reviews
United Airlines
7.4
Good
10,024 reviews

Comfort

7.3

Crew

8.1

Entertainment

7.1

Overall

7.4

Boarding

7.7

Food

6.6

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
7.2
Good
2,344 reviews
United Airlines
7.4
Good
10,024 reviews

Comfort

7.3

Crew

8.1

Entertainment

7.1

Overall

7.4

Boarding

7.7

Food

6.6

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
3,256 reviews
United Airlines
7.4
Good
10,024 reviews

Comfort

7.3

Crew

8.1

Entertainment

7.1

Overall

7.4

Boarding

7.7

Food

6.6

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
8,156 reviews
United Airlines
7.4
Good
10,024 reviews

Comfort

7.3

Crew

8.1

Entertainment

7.1

Overall

7.4

Boarding

7.7

Food

6.6

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 Madrid to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Madrid to Washington, D.C. Dulles Intl?

    Madrid Barajas (MAD), located 8.5 mi from the city center, is the airport you fly out of when you book flights from Madrid to Washington, D.C. Dulles Intl. 4 airlines have flights from Barajas to Washington, D.C. Dulles Intl on a regular basis. Booking flights from Madrid Barajas to Washington, D.C. Dulles Intl should not be difficult; the airport handles an average of 7 outbound flights to Washington, D.C. Dulles Intl per day.

  • How long is the flight from Madrid to Washington, D.C. Dulles Intl Airport?

    Delta and United Airlines can get you from Madrid to Washington, D.C. Dulles Intl Airport in just under 17h 33m. Your travel time can differ by up to 2h 50m. Airlines will cover a distance of 3803 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Madrid to Washington, D.C. Dulles Intl Airport round-trip?

    Iberia, at $477, was found to be the cheapest airline from Madrid to Washington, D.C. Dulles Intl Airport.Alternate airlines to your destination round-trip include TAP AIR PORTUGAL and United Airlines. Users have found that Iberia is 32% cheaper than the other options available to this destination.

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

    One-way options have recently been found by users for as low as $305 on TAP AIR PORTUGAL. Other airlines that offer cheap prices include Royal Air Maroc from $339 and Finnair from $369 one-way.

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

    The top 3 most reliable airlines when flying from Madrid to Washington, D.C. Dulles Intl Airport are American Airlines (85%), Qatar Airways (85%) and Aer Lingus (85%).

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

    Looking for the cheapest flight from Madrid to Washington, D.C. Dulles Intl Airport? While on average our users pay $1,303, our data indicates the cheapest price to be $433. The most popular route (Madrid Barajas - Washington, D.C. Dulles Intl), is priced around $494.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Madrid to Washington, D.C. Dulles Intl Airport (average of $541). Flying from Madrid to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $895). 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
Tysons
Arlington
Owings Mills
Springfield
Lanham
Reston
Herndon
Rockville
Chantilly
Hyattsville
Fredericksburg
Falls Church
Hanover
Manassas
Laurel
Sterling
Clinton
Hunt Valley
Cordova

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Alternative routes for Madrid to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.
Madrid to Baltimore flights

Top 4 airlines flying from Madrid to Dulles Intl

Discover the top 4 airlines that operate flights from Madrid 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 July 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$477Average$679FlexibilityNo cancel feeOn-time77%
TAP AIR PORTUGALCheapest$491Average$689FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$554Average$1,240FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$611Average$966FlexibilityNo cancel feeOn-time76%

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