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Cheap flights from Madrid, Spain to Washington, D.C. Dulles Intl Airport from £377

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 2/7. Fares are subject to change and may not be available on all flights or dates of travel.
MAD — IAD
5 May — 12 May1
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 30 April 2025.

Round-trip from

£417

One-way from

£377

Popular in

July

Cheapest in

January

Average price

£463
SWISS
  • SWISS
  • 16/5-31/5
  • 2 total stops
  • 29h 40m total
  • Madrid to Washington, D.C.
Search Deals
TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 2/7
  • 1 total stop
  • 15h 45m total
  • Madrid to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (£86 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£11 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

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 30 April 2025.

Sat 27/906:00MAD - IAD
2 stops16h 31mDelta
Fri 10/1021:20IAD - MAD
1 stop13h 25mDelta
Deal found 29/4£400
Fri 16/511:15MAD - IAD
Nonstop8h 40mMultiple Airlines
Sat 31/520:45IAD - MAD
1 stop16h 00mMultiple Airlines
Deal found 29/4£417
Tue 13/512:45MAD - IAD
1 stop28h 29mUnited Airlines
Fri 30/509:45IAD - MAD
1 stop14h 55mUnited Airlines
Deal found 29/4£421
Thu 29/510:05MAD - IAD
1 stop35h 20mSWISS
Thu 5/620:45IAD - MAD
1 stop30h 35mSWISS
Deal found 29/4£421
Mon 26/507:05MAD - IAD
1 stop14h 30mKLM
Sat 7/617:25IAD - MAD
1 stop12h 40mKLM
Deal found 29/4£423
Thu 15/511:15MAD - IAD
Nonstop8h 40mLufthansa
Thu 29/515:25IAD - MAD
1 stop14h 50mLufthansa
Deal found 29/4£428
Tue 20/512:40MAD - IAD
2 stops16h 55mVirgin Atlantic
Tue 27/506:00IAD - MAD
2 stops19h 50mVirgin Atlantic
Deal found 29/4£430
Thu 1/518:05MAD - IAD
1 stop26h 35mITA Airways
Sat 10/512:25IAD - MAD
2 stops16h 20mITA Airways
Deal found 29/4£476
Wed 6/820:10MAD - IAD
1 stop25h 10mTAP AIR PORTUGAL
Sat 23/817:00IAD - MAD
1 stop11h 15mTAP AIR PORTUGAL
Deal found 29/4£506
Mon 2/614:55MAD - IAD
2 stops29h 40mAustrian Airlines
Mon 9/617:25IAD - MAD
2 stops44h 25mAustrian Airlines
Deal found 30/4£535
Sun 13/718:20MAD - IAD
1 stop23h 25mTurkish Airlines
Sun 17/821:40IAD - MAD
1 stop30h 45mTurkish Airlines
Deal found 29/4£651

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 30 April 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

Fri 16/5

11:45-19:25

1 stop13h 40m

Washington, D.C. Dulles Intl

Sat 31/5

20:45-18:45

1 stop16h 00m

£417

MadridWashington, D.C.

MAD - IAD

MADIAD

Madrid Barajas

Tue 27/5

06:00-15:35

1 stop15h 35m

Washington, D.C. Dulles Intl

Sat 7/6

20:33-16:45

2 stops14h 12m

£418

MadridWashington, D.C.

MAD - IAD

MADIAD

Madrid Barajas

Tue 13/5

12:45-11:14

1 stop28h 29m

Washington, D.C. Dulles Intl

Fri 30/5

09:45-06:40

1 stop14h 55m

£421

MadridWashington, D.C.

MAD - IAD

MADIAD

Madrid Barajas

Thu 29/5

10:05-15:25

1 stop35h 20m

Washington, D.C. Dulles Intl

Thu 5/6

20:45-09:20

1 stop30h 35m

£421

MadridWashington, D.C.

MAD - IAD

MADIAD

Madrid Barajas

Mon 26/5

20:25-15:35

1 stop25h 10m

Washington, D.C. Dulles Intl

Mon 2/6

17:25-16:25

1 stop17h 00m

£423

MadridWashington, D.C.

MAD - IAD

MADIAD

Madrid Barajas

Thu 15/5

11:15-13:55

Nonstop8h 40m

Washington, D.C. Dulles Intl

Thu 29/5

15:25-12:15

1 stop14h 50m

£428

MadridWashington, D.C.

MAD - IAD

MADIAD

Madrid Barajas

Tue 20/5

12:40-23:35

2 stops16h 55m

Washington, D.C. Dulles Intl

Tue 27/5

06:00-07:50

2 stops19h 50m

£430

MadridWashington, D.C.

MAD - IAD

MADIAD

Madrid Barajas

Mon 2/6

14:55-14:35

2 stops29h 40m

Washington, D.C. Dulles Intl

Mon 9/6

17:25-19:50

2 stops44h 25m

£535

MadridWashington, D.C.

MAD - IAD

MADIAD

Madrid Barajas

Sun 13/7

18:20-11:45

1 stop23h 25m

Washington, D.C. Dulles Intl

Sun 17/8

21:40-10:25

1 stop30h 45m

£651

MadridWashington, D.C.

MAD - IAD

MADIAD

Madrid Barajas

Thu 15/5

05:55-19:39

2 stops19h 44m

Washington, D.C. Dulles Intl

Thu 29/5

12:20-10:45

2 stops16h 25m

£741

Flights are sorted by cheapest return flights first.

Deals found on 29/4

Showing 1-10 of 21 results
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2
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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 25 April 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 30 April 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.

Weekly flight availability from Madrid to Washington, D.C. Dulles Intl Airport

Explore weekly flight availability from Madrid to Dulles Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 30 April 2025.

The most flights from MAD to IAD are scheduled on a Tuesday (8 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 on average).

Rainfall in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 66.0 - 102.0 inches per month. May is typically the wettest month, when rainfall can reach 102.0 mm. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 66.0 mm.

Temperature in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 2.0 C).

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 30 April 2025.
Read through reviews of airlines operating flights from Madrid to Washington, D.C., such as Delta, KLM and Finnair. 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.
Delta
8.0
Very Good
7,934 reviews
Check prices

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very Good
7,934 reviews
Delta
8.0
Very Good
7,934 reviews
Check prices

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,334 reviews
Delta
8.0
Very Good
7,934 reviews
Check prices

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Finnair
7.6
Good
1,275 reviews
Delta
8.0
Very Good
7,934 reviews
Check prices

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Austrian Airlines
7.6
Good
780 reviews
Delta
8.0
Very Good
7,934 reviews
Check prices

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
SWISS
7.5
Good
1,588 reviews
Delta
8.0
Very Good
7,934 reviews
Check prices

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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 6 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.

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

    According to our current data, Delta (£418), United Airlines (£421), and SWISS (£421) offers the cheapest pricing from Madrid to Washington, D.C. Dulles Intl Airport. Delta is 10% cheaper than the average price of flights available within the next 90 days to this destination.

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

    To fly one-way, consider booking your trip with TAP AIR PORTUGAL, which is currently one of the cheapest options available, starting at £377. Royal Air Maroc flights start at £400 while deals on Avianca start at £450 one-way.

  • 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: Air Canada (88%), United Airlines (88%), Lufthansa (88%).

  • 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.

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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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