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Cheap flights from Madrid, Spain to Washington, D.C. Dulles Intl Airport from £304

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 12/1. Fares are subject to change and may not be available on all flights or dates of travel.
MAD — IAD
10 Sep — 17 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Madrid to Dulles Intl

Enter your travel dates to find the best prices.

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 11 August 2026.

Sat 7/1113:25 -
2 stops30h 10m
Sun 8/1117:35 -
1 stop18h 15m
Deal found 8/8£448
Mon 21/1218:00 -
1 stop26h 45m
Fri 1/122:30 -
1 stop19h 00m
Deal found 7/8£452
Fri 28/818:05 -
1 stop26h 25m
Sun 6/916:30 -
1 stop12h 15m
Deal found 11/8£466
Wed 16/918:05 -
1 stop26h 25m
Sun 8/1116:45 -
1 stop25h 20m
Deal found 9/8£467
Sun 22/1112:10 -
1 stop14h 25m
Mon 30/1117:25 -
1 stop11h 55m
Deal found 6/8£473
Fri 20/1114:55 -
1 stop11h 40m
Wed 2/1222:30 -
1 stop19h 00m
Deal found 10/8£474
Sat 21/1121:10 -
1 stop29h 25m
Wed 25/1122:30 -
1 stop12h 40m
Deal found 6/8£478
Sat 21/1121:10 -
1 stop29h 25m
Wed 2/1222:30 -
1 stop19h 00m
Deal found 10/8£479
Wed 30/1213:55 -
1 stop12h 00m
Tue 12/118:05 -
1 stop11h 00m
Deal found 9/8£494
Thu 17/911:05 -
1 stop15h 30m
Sun 8/1122:30 -
1 stop12h 40m
Deal found 9/8£495
Tue 3/1117:00 -
1 stop30h 15m
Wed 11/1120:30 -
1 stop33h 30m
Deal found 8/8£495
Tue 10/1121:10 -
1 stop29h 25m
Wed 2/1222:30 -
1 stop19h 00m
Deal found 11/8£500

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 11 August 2026.

Round-trip from

£448

One-way from

£304

Popular in

August

Cheapest in

February

Average price

£667
United Airlines
  • United Airlines
  • 7/11-8/11
  • 3 total stops
  • 48h 25m total
  • Madrid to Washington, D.C.
Search Deals
Delta
  • Delta
  • 2/2
  • 2 total stops
  • 17h 25m total
  • Madrid to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£63 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£11 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

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 11 August 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 return flight
Fastest return journey

MadridWashington, D.C.

MAD Madrid Barajas - IAD Washington, D.C. Dulles Intl

MADIAD

Madrid Barajas

Thu 3/9

07:00-15:35

1 stop14h 35m

Washington, D.C. Dulles Intl

Thu 10/9

21:45-16:45

1 stop13h 00m

£513

MadridWashington, D.C.

MAD Madrid Barajas - IAD Washington, D.C. Dulles Intl

MADIAD

Madrid Barajas

Sat 5/9

06:00-15:35

1 stop15h 35m

Washington, D.C. Dulles Intl

Sat 12/9

18:26-16:45

2 stops16h 19m

£513

MadridWashington, D.C.

MAD Madrid Barajas - IAD Washington, D.C. Dulles Intl

MADIAD

Madrid Barajas

Thu 17/9

06:00-15:35

1 stop15h 35m

Washington, D.C. Dulles Intl

Tue 22/9

12:25-09:10

2 stops14h 45m

£513

MadridWashington, D.C.

MAD Madrid Barajas - IAD Washington, D.C. Dulles Intl

MADIAD

Madrid Barajas

Fri 4/9

06:00-15:35

1 stop15h 35m

Washington, D.C. Dulles Intl

Mon 7/9

19:15-15:35

2 stops14h 20m

£513

MadridWashington, D.C.

MAD Madrid Barajas - IAD Washington, D.C. Dulles Intl

MADIAD

Madrid Barajas

Fri 11/9

06:00-15:35

1 stop15h 35m

Washington, D.C. Dulles Intl

Mon 14/9

12:25-11:20

2 stops16h 55m

£513

MadridWashington, D.C.

MAD Madrid Barajas - IAD Washington, D.C. Dulles Intl

MADIAD

Madrid Barajas

Mon 5/10

06:00-15:35

1 stop15h 35m

Washington, D.C. Dulles Intl

Mon 19/10

12:30-09:10

2 stops14h 40m

£513

MadridWashington, D.C.

MAD Madrid Barajas - IAD Washington, D.C. Dulles Intl

MADIAD

Madrid Barajas

Tue 1/9

06:00-15:35

1 stop15h 35m

Washington, D.C. Dulles Intl

Mon 7/9

19:15-15:35

2 stops14h 20m

£513

MadridWashington, D.C.

MAD Madrid Barajas - IAD Washington, D.C. Dulles Intl

MADIAD

Madrid Barajas

Thu 27/8

13:00-20:56

1 stop13h 56m

Washington, D.C. Dulles Intl

Thu 10/9

19:15-11:00

1 stop33h 45m

£516

MadridWashington, D.C.

MAD Madrid Barajas - IAD Washington, D.C. Dulles Intl

MADIAD

Madrid Barajas

Thu 17/9

22:25-14:25

1 stop22h 00m

Washington, D.C. Dulles Intl

Sun 20/9

17:40-10:05

1 stop10h 25m

£516
Cheapest one-way

MadridWashington, D.C.

MAD Madrid Barajas - IAD Washington, D.C. Dulles Intl

MADIAD

Madrid Barajas

Tue 12/1

06:05-17:30

2 stops17h 25m

£304

Flights are sorted by cheapest return flights first.

Deals found on 11/8

Showing 1-10 of 21 resultsSorted by cheapest first
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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?

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 £401). Flying from Madrid to Washington, D.C. Dulles Intl Airport in August is currently the most expensive (average of £667). 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 11 August 2026.

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.

How much does it cost for a return flight 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 £627 and £756 in November.
The cheapest return price found within the last 5 days was £448 on United Airlines (7 Nov–8 Nov).

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 7 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 17h 25m. 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: American Airlines (84%), Qatar Airways (84%), Aer Lingus (84%).

  • 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, February is the cheapest month in which you can book a flight from Madrid to Washington, D.C. Dulles Intl Airport (average of £401). Flying from Madrid to Washington, D.C. Dulles Intl Airport in August is currently the most expensive (average of £667). 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
Gaithersburg
Oxon Hill
Alexandria
Hanover
Woodbridge
Glen Burnie
Springfield
Sterling

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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.

Can Cheapflights notify me if prices for flights from Madrid to Dulles Intl become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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