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$214+ Cheap flights from Dulles Intl (IAD) to Madrid, Spain (MAD)

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 9/6. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — MAD
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
1 adult, Economy
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Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Madrid Barajas are usually found in February or January, booked 61 days in advance, depart on a Monday or Tuesday and return on a Thursday

Cheap flight deals from Dulles Intl to Madrid

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Madrid (MAD). 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 31, 2025.

Round-trip from

$362
(Kiwi.com)

One-way from

$218
(Booking.com)

Popular in

June

Cheapest in

February

Average price

$799

Good round-trip deal

$462 or less

Good one-way deal

$487 or less
From Washington, D.C. Dulles Intl to Madrid Barajas
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One-way flight from Washington, D.C. Dulles Intl to Madrid Barajas
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($163 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($27 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
Search Deals
Price to beat on a round-trip flight from Washington, D.C. Dulles Intl to Madrid Barajas.
Search Deals
Price to beat on a one-way flight from Washington, D.C. Dulles Intl to Madrid Barajas.
Search Deals

Find flight deals from Dulles Intl to Madrid

Cheapest flights from Dulles Intl to Madrid
Explore the most affordable flight options available from Dulles Intl to Madrid. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

This Kiwi.com deal was found by Cheapflights users on 7/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1910:20 pmIAD - MAD
1 stop11h 05mTAP AIR PORTUGAL
Wed 10/292:55 pmMAD - IAD
1 stop12h 05mTAP AIR PORTUGAL
Deal found 7/30$362
This Finnair deal was found by Cheapflights users on 7/31. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/46:00 pmIAD - MAD
Nonstop7h 40mMultiple Airlines
Wed 11/121:00 pmMAD - IAD
1 stop16h 07mMultiple Airlines
Deal found 7/31$363
This United Airlines deal was found by Cheapflights users on 7/30. 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.
Sun 9/2110:10 pmIAD - MAD
2 stops26h 30mUnited Airlines
Tue 9/3012:30 pmMAD - IAD
1 stop14h 55mUnited Airlines
Deal found 7/30$364
This Air Canada deal was found by Cheapflights users on 7/30. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/3010:20 amIAD - MAD
2 stops14h 20mAir Canada
Thu 10/912:30 pmMAD - IAD
1 stop27h 08mAir Canada
Deal found 7/30$366
This Iberia deal was found by Cheapflights users on 7/30. 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.
Mon 11/36:20 pmIAD - MAD
1 stop13h 55mIberia
Thu 11/1312:50 pmMAD - IAD
Nonstop9h 40mIberia
Deal found 7/30$373
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1910:20 pmIAD - MAD
1 stop13h 15mLufthansa
Thu 8/2811:45 amMAD - IAD
1 stop13h 40mLufthansa
Deal found 7/31$384
This SWISS deal was found by Cheapflights users on 7/30. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/269:30 pmIAD - MAD
1 stop16h 15mSWISS
Thu 11/610:10 amMAD - IAD
1 stop12h 30mSWISS
Deal found 7/30$387
This Delta deal was found by Cheapflights users on 7/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/246:30 pmIAD - MAD
1 stop15h 05mDelta
Fri 10/3110:00 amMAD - IAD
1 stop12h 35mDelta
Deal found 7/31$396
This Virgin Atlantic deal was found by Cheapflights users on 7/28. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2912:27 pmIAD - MAD
2 stops13h 33mVirgin Atlantic
Wed 11/510:00 amMAD - IAD
2 stops19h 00mVirgin Atlantic
Deal found 7/28$398

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to Madrid 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 31, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Madrid that are best for you.

Fly from

Dulles Intl

Fly to

Madrid

Route

Depart

Return

Price

Washington, D.C.Madrid

IAD - MAD

IADMAD

Washington, D.C. Dulles Intl

Sun 10/19

10:20 pm-3:25 pm

1 stop11h 05m

Madrid Barajas

Wed 10/29

2:55 pm-10:00 pm

1 stop12h 05m

$362

Washington, D.C.Madrid

IAD - MAD

IADMAD

Washington, D.C. Dulles Intl

Sun 9/28

4:35 pm-6:25 am

Nonstop7h 50m

Madrid Barajas

Fri 11/7

1:00 pm-11:07 pm

1 stop16h 07m

$363

Washington, D.C.Madrid

IAD - MAD

IADMAD

Washington, D.C. Dulles Intl

Sun 9/21

10:10 pm-6:40 am

2 stops26h 30m

Madrid Barajas

Tue 9/30

12:30 pm-9:25 pm

1 stop14h 55m

$364

Washington, D.C.Madrid

IAD - MAD

IADMAD

Washington, D.C. Dulles Intl

Tue 9/30

10:20 am-6:40 am

2 stops14h 20m

Madrid Barajas

Thu 10/9

12:30 pm-9:38 am

1 stop27h 08m

$366

Washington, D.C.Madrid

IAD - MAD

IADMAD

Washington, D.C. Dulles Intl

Tue 9/23

3:31 pm-9:35 am

1 stop12h 04m

Madrid Barajas

Tue 10/28

12:35 pm-8:15 pm

1 stop12h 40m

$382

Washington, D.C.Madrid

IAD - MAD

IADMAD

Washington, D.C. Dulles Intl

Tue 9/16

5:40 pm-2:25 pm

1 stop14h 45m

Madrid Barajas

Wed 9/24

11:50 am-3:00 pm

Nonstop9h 10m

$383

Washington, D.C.Madrid

IAD - MAD

IADMAD

Washington, D.C. Dulles Intl

Tue 8/19

10:20 pm-5:35 pm

1 stop13h 15m

Madrid Barajas

Thu 8/28

11:45 am-7:25 pm

1 stop13h 40m

$384

Washington, D.C.Madrid

IAD - MAD

IADMAD

Washington, D.C. Dulles Intl

Sun 10/26

9:30 pm-6:45 pm

1 stop16h 15m

Madrid Barajas

Thu 11/6

10:10 am-4:40 pm

1 stop12h 30m

$387

Washington, D.C.Madrid

IAD - MAD

IADMAD

Washington, D.C. Dulles Intl

Wed 9/24

6:30 pm-3:35 pm

1 stop15h 05m

Madrid Barajas

Fri 10/31

10:00 am-5:35 pm

1 stop12h 35m

$396

Washington, D.C.Madrid

IAD - MAD

IADMAD

Washington, D.C. Dulles Intl

Wed 10/29

12:27 pm-7:00 am

2 stops13h 33m

Madrid Barajas

Wed 11/5

10:00 am-11:00 pm

2 stops19h 00m

$398

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 13 results
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The best insider tips for Washington, D.C. Dulles Intl Airport to Madrid flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Washington, D.C. Dulles Intl Airport to Madrid trip
Airports
IAD

Expect crowded check-in areas at IAD during afternoon and evening hours, so plan to arrive early to avoid delays.

Read more about IADby Ramsey Qubein
MAD

Upon arrival at MAD, consider using rideshares like Uber or Cabify for quick and affordable transport to the city center.

Read more about MADby Lori Zaino
Our travel experts
Lori Zaino

Lori Zaino

Expert on MAD

Lori Zaino

Lori Zaino

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

Ramsey Qubein

Ramsey Qubein

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

Best time to book a flight from Dulles Intl to Madrid

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

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

Use this chart to determine the optimal time to book a round-trip flight from Dulles Intl to Madrid. Price data was last updated on July 25, 2025.

The price you pay for your flight from Washington, D.C. Dulles Intl Airport to Madrid may vary depending on when you book. For the best chance of a lower fare, look to book 61 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Madrid (average of $543). Flying from Washington, D.C. Dulles Intl Airport to Madrid in June is currently the most expensive (average of $1,052). 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 IAD to MAD?

Find hourly flight availability from Dulles Intl to Madrid. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 31, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 13% on flights from Washington, D.C. Dulles Intl Airport to Madrid by exploring options for tickets in the evening.

What is the cheapest day to fly from Washington, D.C. Dulles Intl Airport to Madrid?

Use this chart to determine the cheapest time to fly round-trip from Dulles Intl to Madrid. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Madrid flight should consider departing on Wednesday evenings when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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

Explore weekly flight availability from Dulles Intl to Madrid. 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 July 31, 2025.

The most flights from IAD to MAD are scheduled on a Monday (11 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (10 on average).

What’s the top layover airport for flights from Washington, D.C. Dulles Intl Airport to Madrid?

Share of 1-stop round-trip flights from Washington, D.C. Dulles Intl Airport to Madrid chosen by Cheapflights users in the past 12 months, using the same layover each way.

Lisbon (LIS) – chosen by Cheapflights users on 71% of 1-stop itineraries from Washington, D.C. Dulles Intl Airport to Madrid on Cheapflights.

What’s the cheapest layover airport for flights from Washington, D.C. Dulles Intl Airport to Madrid?

Average round-trip fare for 1-stop flights from Washington, D.C. Dulles Intl Airport to Madrid, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Dublin (DUB) is the most affordable 1-stop option, with an average round-trip price of $802.

What’s the fastest layover option from Washington, D.C. Dulles Intl Airport to Madrid?

Shortest average travel time for 1-stop one-way flights from Washington, D.C. Dulles Intl Airport to Madrid, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Dublin (DUB) have the shortest average one-way travel time for 1-stop routes: 10h 50m.

Which airport typically offers the quickest layover for flights from Washington, D.C. Dulles Intl Airport to Madrid?

Average layover duration for 1-stop one-way flights from Washington, D.C. Dulles Intl Airport to Madrid, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Dublin (DUB) offer the fastest connection on this route, with an average layover time of 2h 35m.

Reviews of airlines servicing Madrid

Get insights into the airlines that provide service to Madrid. 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 Madrid. Reviews last updated July 31, 2025.
Read through reviews of airlines operating flights from Washington, D.C. Dulles Intl Airport to Madrid, such as Delta, Air France, and SWISS. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,981 reviews

Food

7.3

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,981 reviews
Delta
8.0
Very good
7,981 reviews

Food

7.3

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air France
7.5
Good
1,465 reviews
Delta
8.0
Very good
7,981 reviews

Food

7.3

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
SWISS
7.5
Good
1,686 reviews
Delta
8.0
Very good
7,981 reviews

Food

7.3

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,900 reviews
Delta
8.0
Very good
7,981 reviews

Food

7.3

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Virgin Atlantic
7.4
Good
655 reviews
Delta
8.0
Very good
7,981 reviews

Food

7.3

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Madrid. 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 into for flights to Madrid from Washington, D.C. Dulles Intl?

    Most people fly into Madrid Barajas (MAD) if they book a flight to Madrid from Washington, D.C. Dulles Intl. On average, Barajas has 10 inbound flights from Washington, D.C. Dulles Intl per day from 15 airlines. Madrid Barajas is conveniently located just 8.5 mi from Madrid’s city center.

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

    According to our current data, TAP AIR PORTUGAL ($362), United Airlines ($364), and Air Canada ($366) offers the cheapest pricing from Washington, D.C. Dulles Intl Airport to Madrid. You may be able to fly from Washington, D.C. Dulles Intl Airport to Madrid for 47% less than the average price by searching for these airlines.

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

    One-way options have recently been found by users for as low as $218 on TAP AIR PORTUGAL. Other airlines that offer cheap prices include Iberia from $315 and Royal Air Maroc from $335 one-way.

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

    No one likes to see their flight delayed. When booking a flight from Washington, D.C. Dulles Intl Airport to Madrid consider choosing American Airlines (75%), Qatar Airways (75%) or Finnair (75%) as they are the most reliable in getting you off to your destination on time.

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

    Looking for the cheapest flight from Washington, D.C. Dulles Intl Airport to Madrid? While on average our users pay $2,420, our data indicates the cheapest price to be $263. The most popular route (Washington, D.C. Dulles Intl - Madrid Barajas), is priced around $323.

  • Where are the most common layover locations when flying from Washington, D.C. Dulles Intl Airport to Madrid?

    Most of the time, Washington, D.C. Dulles Intl Airport to Madrid flights that have layovers will stop in Lisbon.

  • What are some popular things to do or see while on a layover in Lisbon?

    The majority of Lisbon visitors spend their time at Chiado, Praça do Marquês de Pombal, and Londres. Travelers on a layover in Lisbon can visit Chiado, Praça do Marquês de Pombal, and Londres, by traveling 4.5 mi, 3.6 mi, and 2.3 mi, respectively after landing at Lisbon Humberto Delgado. Travelers can rent a car at Lisbon Humberto Delgado for an average daily rate of $27 to make sightseeing during their layover a little easier.

  • Where are the least popular layover locations for Washington, D.C. Dulles Intl Airport to Madrid flights?

    Washington, D.C. Dulles Intl Airport to Madrid flights have a layover in London the least frequently.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Madrid (average of $543). Flying from Washington, D.C. Dulles Intl Airport to Madrid in June is currently the most expensive (average of $1,052). 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 Madrid?

Book flights to Madrid if you plan to visit one of these locations
Segovia
Fuenlabrada

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Alternative routes for Dulles Intl to Madrid

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

Top 10 airlines flying from Dulles Intl to Madrid

Discover the top 10 airlines that operate flights from Dulles Intl to Madrid. 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 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Brussels AirlinesCheapest$198Average$731FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$353Average$510FlexibilityNo cancel feeOn-time67%
TAP AIR PORTUGALCheapest$366Average$523FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$417Average$711FlexibilityNo cancel feeOn-time77%
Air FranceCheapest$443Average$740FlexibilityNo cancel feeOn-time77%
FinnairCheapest$452Average$592FlexibilityNo cancel feeOn-time76%
KLMCheapest$456Average$637FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$470Average$754FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$471Average$606FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$483Average$720FlexibilityNo cancel feeOn-time76%

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