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Cheap flights from Madrid, Spain to Washington, D.C. Dulles Intl Airport from £298

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 19/2. Fares are subject to change and may not be available on all flights or dates of travel.
MAD — IAD
1 set — 8 set1
1 adult

Cheapflights Tip: The best prices from Madrid Barajas to Washington, D.C. Dulles Intl are usually found in January or February, booked 60 days in advance, depart on a Tuesday or Monday and return on a Monday

Cheap 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 27 agosto 2025.

Round-trip from

£422

One-way from

£298

Popular in

July

Cheapest in

January

Average price

£557
United Airlines
  • United Airlines
  • 11/9-25/9
  • 2 total stops
  • 28h 20m total
  • Madrid to Washington, D.C.
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Royal Air Maroc
  • Royal Air Maroc
  • 19/2
  • 1 total stop
  • 29h 40m total
  • Madrid to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (£72 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£11 potential savings vs. average return price).
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Average for round-trip flights in August 2025
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Find 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 27 agosto 2025.

gio 11/908:35MAD - IAD
1 stop13h 15mUnited Airlines
gio 25/909:35IAD - MAD
1 stop15h 05mUnited Airlines
Deal found 26/8£422
gio 11/908:35MAD - IAD
1 stop13h 15mUnited Airlines
mar 16/909:35IAD - MAD
1 stop15h 05mUnited Airlines
Deal found 25/8£424
ven 19/906:00MAD - IAD
2 stops21h 05mUnited Airlines
gio 25/906:15IAD - MAD
2 stops18h 25mUnited Airlines
Deal found 26/8£426
mar 25/1106:00MAD - IAD
2 stops16h 21mUnited Airlines
sab 6/1218:00IAD - MAD
1 stop16h 00mUnited Airlines
Deal found 26/8£427
lun 13/1019:35MAD - IAD
1 stop26h 40mSWISS
lun 20/1020:45IAD - MAD
1 stop30h 35mSWISS
Deal found 25/8£428
gio 9/1013:00MAD - IAD
1 stop12h 45mBritish Airways
mar 18/1118:20IAD - MAD
1 stop18h 10mBritish Airways
Deal found 25/8£429
gio 11/908:35MAD - IAD
1 stop13h 15mUnited Airlines
mer 24/917:45IAD - MAD
1 stop17h 00mUnited Airlines
Deal found 26/8£430
gio 11/911:50MAD - IAD
Nonstop9h 10mFinnair
mer 24/916:35IAD - MAD
Nonstop7h 50mFinnair
Deal found 26/8£432
sab 13/911:15MAD - IAD
Nonstop8h 50mLufthansa
mar 30/922:20IAD - MAD
1 stop13h 15mLufthansa
Deal found 26/8£433
lun 13/1019:35MAD - IAD
1 stop26h 40mSWISS
ven 14/1120:30IAD - MAD
1 stop16h 15mSWISS
Deal found 25/8£433
gio 9/1011:15MAD - IAD
Nonstop8h 50mUnited Airlines
dom 19/1018:15IAD - MAD
Nonstop7h 50mUnited Airlines
Deal found 25/8£434

Cheapflights Fare Finder

 
Customise 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 858,174 searches. Data last updated 27 agosto 2025.
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

Madrid

Fly to

Dulles Intl

Route

Depart

Return

Price

MadridWashington, D.C.

MAD - IAD

MADIAD

Madrid Barajas

gio 11/9

08:35-15:50

1 stop13h 15m

Washington, D.C. Dulles Intl

gio 25/9

09:35-06:40

1 stop15h 05m

£422

MadridWashington, D.C.

MAD - IAD

MADIAD

Madrid Barajas

sab 13/9

06:00-15:15

1 stop15h 15m

Washington, D.C. Dulles Intl

mar 16/9

09:35-06:40

1 stop15h 05m

£424

MadridWashington, D.C.

MAD - IAD

MADIAD

Madrid Barajas

mer 5/11

05:55-15:50

1 stop15h 55m

Washington, D.C. Dulles Intl

dom 30/11

18:30-08:05

Nonstop7h 35m

£424

MadridWashington, D.C.

MAD - IAD

MADIAD

Madrid Barajas

ven 12/9

08:35-15:50

1 stop13h 15m

Washington, D.C. Dulles Intl

mar 16/9

09:35-06:40

1 stop15h 05m

£424

MadridWashington, D.C.

MAD - IAD

MADIAD

Madrid Barajas

mar 16/9

08:35-15:50

1 stop13h 15m

Washington, D.C. Dulles Intl

mar 23/9

06:35-06:40

2 stops18h 05m

£424

MadridWashington, D.C.

MAD - IAD

MADIAD

Madrid Barajas

gio 11/9

08:35-15:50

1 stop13h 15m

Washington, D.C. Dulles Intl

mar 16/9

09:35-06:40

1 stop15h 05m

£424

MadridWashington, D.C.

MAD - IAD

MADIAD

Madrid Barajas

ven 19/9

06:00-21:05

2 stops21h 05m

Washington, D.C. Dulles Intl

gio 25/9

06:15-06:40

2 stops18h 25m

£426

MadridWashington, D.C.

MAD - IAD

MADIAD

Madrid Barajas

sab 15/11

06:00-14:35

1 stop14h 35m

Washington, D.C. Dulles Intl

lun 24/11

22:00-15:50

1 stop11h 50m

£426

MadridWashington, D.C.

MAD - IAD

MADIAD

Madrid Barajas

mar 25/11

06:00-16:21

2 stops16h 21m

Washington, D.C. Dulles Intl

sab 6/12

18:00-16:00

1 stop16h 00m

£427

MadridWashington, D.C.

MAD - IAD

MADIAD

Madrid Barajas

lun 13/10

19:35-16:15

1 stop26h 40m

Washington, D.C. Dulles Intl

mar 21/10

20:45-09:20

1 stop30h 35m

£428

Flights are sorted by cheapest return flights first.

Deals found on 25/8

Showing 1-10 of 24 results
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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 return 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?

Use this chart to determine the optimal time to book a return flight from Madrid to Dulles Intl. Price data was last updated on 22 August 2025.

The best time to book flights from Madrid to Washington, D.C. Dulles Intl Airport is 60 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, January is the cheapest month in which you can book a flight from Madrid to Washington, D.C. Dulles Intl Airport (average of £599). Flying from Madrid to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of £947). 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 27 agosto 2025.

When flying from Madrid to Washington, D.C. Dulles Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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?

    Most people fly from Madrid Barajas (MAD) if they book a flight from Madrid to Washington, D.C. Dulles Intl. On average, Barajas has 9 outbound flights to Washington, D.C. Dulles Intl per day from 0 airlines. Madrid Barajas is conveniently located just 8.5 mi from Madrid’s city center.

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

    Departing from Madrid to Washington, D.C. Dulles Intl Airport will take you 13h 15m. The distance from Madrid to Washington, D.C. Dulles Intl Airport is about 3803 mi.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Madrid to Washington, D.C. Dulles Intl Airport on time: Aer Lingus (97%), American Airlines (96%), Qatar Airways (96%).

  • 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 holiday 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, January is the cheapest month in which you can book a flight from Madrid to Washington, D.C. Dulles Intl Airport (average of £599). Flying from Madrid to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of £947). 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

Travelling 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
Silver Spring
Hanover
Oxon Hill
Woodbridge
Arlington
College Park
Laurel
Tysons

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Can Cheapflights find flights from Madrid to Dulles Intl with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Madrid to Dulles Intl, users can toggle the no change fees filter when performing a flight search.

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