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Cheap flights from Madrid, Spain to Washington, D.C. Dulles Intl Airport from £341

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 13/10. Fares are subject to change and may not be available on all flights or dates of travel.
MAD — IAD
23 Apr — 30 Apr1
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 18 April 2025.

Round-trip from

£369

One-way from

£341

Popular in

July

Cheapest in

January

Average price

£435
Finnair
  • Finnair
  • 1/5-8/5
  • Nonstop
  • 17h 00m total
  • Madrid to Washington, D.C.
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TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 13/10
  • 1 total stop
  • 15h 45m total
  • Madrid to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (£89 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£12 potential savings vs. average return price).
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Average for round-trip flights in April 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 18 April 2025.

Thu 1/511:50MAD - IAD
Nonstop9h 10mFinnair
Thu 8/516:35IAD - MAD
Nonstop7h 50mFinnair
Deal found 17/4£369
Thu 8/507:40MAD - IAD
1 stop13h 40mTAP AIR PORTUGAL
Sun 11/517:45IAD - MAD
1 stop10h 30mTAP AIR PORTUGAL
Deal found 18/4£383
Thu 15/511:15MAD - IAD
Nonstop8h 40mLufthansa
Sat 7/622:20IAD - MAD
1 stop13h 15mLufthansa
Deal found 18/4£405
Sat 3/510:35MAD - IAD
1 stop15h 35mMultiple Airlines
Wed 7/516:35IAD - MAD
Nonstop7h 50mMultiple Airlines
Deal found 17/4£423
Fri 6/606:00MAD - IAD
1 stop15h 35mDelta
Mon 9/620:30IAD - MAD
2 stops14h 15mDelta
Deal found 18/4£424
Tue 6/512:45MAD - IAD
1 stop14h 23mUnited Airlines
Tue 13/509:00IAD - MAD
2 stops15h 40mUnited Airlines
Deal found 17/4£426
Fri 9/513:00MAD - IAD
1 stop12h 32mBritish Airways
Sat 31/522:45IAD - MAD
1 stop11h 35mBritish Airways
Deal found 17/4£453
Thu 24/410:05MAD - IAD
2 stops19h 02mVirgin Atlantic
Mon 28/410:16IAD - MAD
1 stop17h 19mVirgin Atlantic
Deal found 17/4£494
Mon 25/819:35MAD - IAD
1 stop26h 40mSWISS
Mon 1/917:45IAD - MAD
2 stops43h 00mSWISS
Deal found 17/4£504
Mon 25/811:45MAD - IAD
2 stops32h 50mAustrian Airlines
Mon 1/917:25IAD - MAD
2 stops24h 00mAustrian Airlines
Deal found 17/4£523
Tue 22/417:10MAD - IAD
1 stop28h 25mKLM
Sun 11/517:25IAD - MAD
1 stop14h 15mKLM
Deal found 17/4£564
Tue 22/718:20MAD - IAD
1 stop23h 25mTurkish Airlines
Thu 14/813:30IAD - MAD
1 stop18h 05mTurkish Airlines
Deal found 17/4£658

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 18 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

Thu 1/5

11:50-15:00

Nonstop9h 10m

Washington, D.C. Dulles Intl

Thu 8/5

16:35-06:25

Nonstop7h 50m

£369

MadridWashington, D.C.

MAD - IAD

MADIAD

Madrid Barajas

Thu 8/5

07:40-15:20

1 stop13h 40m

Washington, D.C. Dulles Intl

Sun 11/5

17:45-10:15

1 stop10h 30m

£383

MadridWashington, D.C.

MAD - IAD

MADIAD

Madrid Barajas

Thu 15/5

11:15-13:55

Nonstop8h 40m

Washington, D.C. Dulles Intl

Sat 7/6

22:20-17:35

1 stop13h 15m

£405

MadridWashington, D.C.

MAD - IAD

MADIAD

Madrid Barajas

Sat 3/5

10:35-20:10

1 stop15h 35m

Washington, D.C. Dulles Intl

Wed 7/5

16:35-06:25

Nonstop7h 50m

£423

MadridWashington, D.C.

MAD - IAD

MADIAD

Madrid Barajas

Fri 6/6

06:00-15:35

1 stop15h 35m

Washington, D.C. Dulles Intl

Mon 9/6

20:30-16:45

2 stops14h 15m

£424

MadridWashington, D.C.

MAD - IAD

MADIAD

Madrid Barajas

Tue 6/5

12:45-21:08

1 stop14h 23m

Washington, D.C. Dulles Intl

Tue 13/5

09:00-06:40

2 stops15h 40m

£426

MadridWashington, D.C.

MAD - IAD

MADIAD

Madrid Barajas

Fri 9/5

13:00-19:32

1 stop12h 32m

Washington, D.C. Dulles Intl

Sat 31/5

22:45-16:20

1 stop11h 35m

£453

MadridWashington, D.C.

MAD - IAD

MADIAD

Madrid Barajas

Mon 25/8

19:35-16:15

1 stop26h 40m

Washington, D.C. Dulles Intl

Mon 1/9

17:45-18:45

2 stops43h 00m

£504

MadridWashington, D.C.

MAD - IAD

MADIAD

Madrid Barajas

Mon 25/8

11:45-14:35

2 stops32h 50m

Washington, D.C. Dulles Intl

Mon 1/9

17:25-23:25

2 stops24h 00m

£523

MadridWashington, D.C.

MAD - IAD

MADIAD

Madrid Barajas

Thu 1/5

12:40-19:53

1 stop13h 13m

Washington, D.C. Dulles Intl

Fri 19/12

17:35-13:40

1 stop14h 05m

£612

Flights are sorted by cheapest return flights first.

Deals found on 18/4

Showing 1-10 of 22 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 11 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 18 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 18 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 18 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
7,917 reviews
Check prices

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.3

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
7,917 reviews
Delta
8.0
Very Good
7,917 reviews
Check prices

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.3

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
1,329 reviews
Delta
8.0
Very Good
7,917 reviews
Check prices

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.3

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
1,269 reviews
Delta
8.0
Very Good
7,917 reviews
Check prices

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.3

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
775 reviews
Delta
8.0
Very Good
7,917 reviews
Check prices

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.3

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
1,581 reviews
Delta
8.0
Very Good
7,917 reviews
Check prices

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.3

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 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.

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

    According to our current data, Finnair (£369), TAP AIR PORTUGAL (£383), and Lufthansa (£405) offers the cheapest pricing from Madrid to Washington, D.C. Dulles Intl Airport. Finnair is 21% 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 £341. Royal Air Maroc flights start at £400 while deals on Turkish Airlines start at £485 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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