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

According to our current data, United Airlines ($365), Air Canada ($367), and KLM ($368) 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 46% 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 $212 on TAP AIR PORTUGAL. Other airlines that offer cheap prices include Iberia from $315 and Royal Air Maroc from $339 one-way.

In terms of precipitation, rainfall in Madrid ranges from 0.4 - 2.4 inches per month. November is typically the wettest month, when rainfall can reach 2.4 in. July is typically the driest time to visit Madrid when rainfall is around 0.4 in.

If weather is an important factor for your trip to Madrid, 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 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

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 $294.

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 most popular airlines that fly from Washington, D.C. Dulles Intl Airport to Madrid?

Consider American Airlines, Air Canada or Air France when booking your flight. These represent the most popular airlines when flying from Washington, D.C. Dulles Intl Airport to Madrid.

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.

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.

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 $26 to make sightseeing during their layover a little easier.

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

Travelers have found that booking a Sunday departure is the best way to save up to 27% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

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

Due to multiple factors, expect to potentially pay more when booking in June. For low rates, February can be a great choice for travel to Madrid. Flights to Madrid from Washington, D.C. Dulles Intl Airport in February are about $692 on average during February, but can be found for as low as $379.

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 9 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.

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.

$212+ Flights from Washington, D.C. Dulles Intl Airport to Madrid, Spain

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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 Wednesday

Cheap flight deals from Dulles Intl to Madrid

Round-trip from	$365 (lol.travel)
One-way from	$212 (Kiwi.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

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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

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Price to beat on a round-trip flight from Washington, D.C. Dulles Intl to Madrid Barajas.

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Price to beat on a one-way flight from Washington, D.C. Dulles Intl to Madrid Barajas.

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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 28, 2025.

Sun 8/176:10 pmIAD - MAD

Nonstop7h 55mUnited Airlines

Tue 8/2611:15 amMAD - IAD

Nonstop8h 35mUnited Airlines

Deal found 7/28

$365

Tue 10/712:35 pmIAD - MAD

2 stops13h 45mAir Canada

Thu 10/1612:30 pmMAD - IAD

2 stops28h 43mAir Canada

Deal found 7/28

$367

Wed 10/812:09 pmIAD - MAD

1 stop13h 41mKLM

Wed 10/1512:40 pmMAD - IAD

1 stop12h 38mKLM

Deal found 7/28

$368

Tue 9/305:00 pmIAD - MAD

1 stop22h 25mTAP AIR PORTUGAL

Tue 10/710:15 pmMAD - IAD

1 stop23h 05mTAP AIR PORTUGAL

Deal found 7/28

$369

Tue 11/189:45 pmIAD - MAD

1 stop17h 05mIberia

Thu 11/2712:50 pmMAD - IAD

Nonstop9h 40mIberia

Deal found 7/27

$373

Tue 11/119:00 amIAD - MAD

2 stops17h 00mMultiple Airlines

Mon 11/177:35 pmMAD - IAD

1 stop27h 05mMultiple Airlines

Deal found 7/27

$374

Tue 10/146:15 pmIAD - MAD

Nonstop7h 50mSWISS

Mon 10/277:35 pmMAD - IAD

1 stop27h 05mSWISS

Deal found 7/26

$380

Wed 10/812:09 pmIAD - MAD

1 stop13h 41mDelta

Fri 11/76:00 amMAD - IAD

1 stop16h 35mDelta

Deal found 7/28

$383

Best flights from Dulles Intl to Madrid
Discover carefully curated flight deals from Dulles Intl to Madrid that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 28, 2025.

Sun 8/176:10 pmIAD - MAD

Nonstop7h 55mUnited Airlines

Tue 8/2611:15 amMAD - IAD

Nonstop8h 35mUnited Airlines

Deal found 7/28

$365

Tue 10/712:35 pmIAD - MAD

2 stops13h 45mAir Canada

Thu 10/1612:30 pmMAD - IAD

2 stops28h 43mAir Canada

Deal found 7/28

$367

Wed 10/812:09 pmIAD - MAD

1 stop13h 41mKLM

Wed 10/1512:40 pmMAD - IAD

1 stop12h 38mKLM

Deal found 7/28

$368

Tue 9/305:00 pmIAD - MAD

1 stop22h 25mTAP AIR PORTUGAL

Tue 10/710:15 pmMAD - IAD

1 stop23h 05mTAP AIR PORTUGAL

Deal found 7/28

$369

Tue 10/710:20 amIAD - MAD

2 stops14h 20mMultiple Airlines

Mon 10/137:35 pmMAD - IAD

1 stop26h 40mMultiple Airlines

Deal found 7/27

$374

Tue 9/94:35 pmIAD - MAD

Nonstop7h 50mIberia

Tue 9/1611:50 amMAD - IAD

Nonstop9h 10mIberia

Deal found 7/26

$378

Tue 10/146:15 pmIAD - MAD

Nonstop7h 50mSWISS

Mon 10/277:35 pmMAD - IAD

1 stop27h 05mSWISS

Deal found 7/26

$380

Wed 10/812:09 pmIAD - MAD

1 stop13h 41mDelta

Fri 10/2410:05 amMAD - IAD

1 stop15h 10mDelta

Deal found 7/28

$383

Last-minute flights from Dulles Intl to Madrid
Discover last-minute flight deals from Dulles Intl to Madrid. Data last updated July 28, 2025 and is based on user searches.

Sat 8/210:35 pmIAD - MAD

1 stop10h 45mTAP AIR PORTUGAL

Tue 8/268:10 pmMAD - IAD

1 stop25h 10mTAP AIR PORTUGAL

Deal found 7/27

$496

Sun 8/32:25 pmIAD - MAD

1 stop11h 55mAir Canada

Tue 9/212:45 pmMAD - IAD

1 stop14h 20mAir Canada

Deal found 7/27

$455

Mon 8/46:10 pmIAD - MAD

Nonstop7h 55mUnited Airlines

Wed 8/2711:15 amMAD - IAD

Nonstop8h 35mUnited Airlines

Deal found 7/28

$379

Mon 8/44:35 pmIAD - MAD

Nonstop7h 50mIberia

Wed 9/34:00 pmMAD - IAD

1 stop24h 57mIberia

Deal found 7/27

$389

Mon 8/43:37 pmIAD - MAD

1 stop11h 58mDelta

Thu 8/2810:05 amMAD - IAD

1 stop19h 16mDelta

Deal found 7/28

$393

Mon 8/410:20 pmIAD - MAD

1 stop13h 15mLufthansa

Mon 8/256:20 pmMAD - IAD

1 stop31h 05mLufthansa

Deal found 7/28

$428

Mon 8/45:35 pmIAD - MAD

1 stop17h 10mBrussels Airlines

Tue 9/25:35 pmMAD - IAD

1 stop25h 55mBrussels Airlines

Deal found 7/27

$441

Tue 8/55:25 pmIAD - MAD

2 stops24h 00mAustrian Airlines

Thu 9/45:05 pmMAD - IAD

2 stops27h 30mAustrian Airlines

Deal found 7/27

$532

Thu 8/73:37 pmIAD - MAD

1 stop11h 58mMultiple Airlines

Tue 9/27:05 amMAD - IAD

1 stop14h 30mMultiple Airlines

Deal found 7/27

$459

Mon 8/115:45 pmIAD - MAD

1 stop10h 30mTAP AIR PORTUGAL

Thu 8/2811:05 amMAD - IAD

1 stop15h 45mTAP AIR PORTUGAL

Deal found 7/28

$370

Mon 8/114:35 pmIAD - MAD

Nonstop7h 50mIberia

Thu 8/2811:50 amMAD - IAD

Nonstop9h 10mIberia

Deal found 7/26

$375

Mon 8/116:10 pmIAD - MAD

Nonstop7h 55mSWISS

Thu 8/287:35 pmMAD - IAD

1 stop26h 40mSWISS

Deal found 7/27

$415

One-way flights from Dulles Intl to Madrid
Search for one-way flight options from Dulles Intl to Madrid. Find affordable one-way fares based on user searches. Data last updated July 28, 2025.

Thu 9/1110:20 pmIAD - MAD

1 stop12h 45mTAP AIR PORTUGAL

Deal found 7/28

$212

Tue 9/95:00 pmIAD - MAD

2 stops16h 30mMultiple Airlines

Deal found 7/25

$262

Tue 8/54:35 pmIAD - MAD

Nonstop7h 50mIberia

Deal found 7/27

$315

Fri 8/159:05 pmIAD - MAD

1 stop16h 05mRoyal Air Maroc

Deal found 7/28

$339

Cheapflights Fare Finder

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

Fly to

Route

Depart

Return

Price

Washington, D.C.Madrid

IAD - MAD

IADMAD

Washington, D.C. Dulles Intl

Sun 8/17

6:10 pm-8:05 am

Nonstop7h 55m

Madrid Barajas

Tue 8/26

11:15 am-1:50 pm

Nonstop8h 35m

$365

Washington, D.C.Madrid

IAD - MAD

IADMAD

Washington, D.C. Dulles Intl

Tue 10/7

12:35 pm-8:20 am

2 stops13h 45m

Madrid Barajas

Thu 10/16

12:30 pm-11:13 am

2 stops28h 43m

$367

Washington, D.C.Madrid

IAD - MAD

IADMAD

Washington, D.C. Dulles Intl

Wed 10/8

12:09 pm-7:50 am

1 stop13h 41m

Madrid Barajas

Wed 10/15

12:40 pm-7:18 pm

1 stop12h 38m

$368

Washington, D.C.Madrid

IAD - MAD

IADMAD

Washington, D.C. Dulles Intl

Tue 9/30

5:00 pm-9:25 pm

1 stop22h 25m

Madrid Barajas

Tue 10/7

10:15 pm-3:20 pm

1 stop23h 05m

$369

Washington, D.C.Madrid

IAD - MAD

IADMAD

Washington, D.C. Dulles Intl

Tue 10/7

10:20 am-6:40 am

2 stops14h 20m

Madrid Barajas

Mon 10/13

7:35 pm-4:15 pm

1 stop26h 40m

$374

Washington, D.C.Madrid

IAD - MAD

IADMAD

Washington, D.C. Dulles Intl

Tue 9/9

4:35 pm-6:25 am

Nonstop7h 50m

Madrid Barajas

Tue 9/16

11:50 am-3:00 pm

Nonstop9h 10m

$378

Washington, D.C.Madrid

IAD - MAD

IADMAD

Washington, D.C. Dulles Intl

Tue 9/16

4:35 pm-6:25 am

Nonstop7h 50m

Madrid Barajas

Thu 9/25

11:50 am-3:00 pm

Nonstop9h 10m

$379

Washington, D.C.Madrid

IAD - MAD

IADMAD

Washington, D.C. Dulles Intl

Tue 10/14

6:15 pm-8:05 am

Nonstop7h 50m

Madrid Barajas

Mon 10/27

7:35 pm-5:40 pm

1 stop27h 05m

$380

Washington, D.C.Madrid

IAD - MAD

IADMAD

Washington, D.C. Dulles Intl

Wed 10/8

12:09 pm-7:50 am

1 stop13h 41m

Madrid Barajas

Fri 11/7

6:00 am-4:35 pm

1 stop16h 35m

$383

Washington, D.C.Madrid

IAD - MAD

IADMAD

Washington, D.C. Dulles Intl

Thu 9/11

10:20 pm-5:05 pm

1 stop12h 45m

$212

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Showing 1-10 of 13 results

The best insider tips for Washington, D.C. Dulles Intl Airport to Madrid flights

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.

MAD

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

Our travel experts

Lori Zaino

Expert on MAD

Ramsey Qubein

Expert on IAD

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?

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?

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?

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

The most flights from IAD to MAD are scheduled on a Wednesday (11 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (6 on average).

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

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?

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?

Flights via Lisbon (LIS) have the shortest average one-way travel time for 1-stop routes: 3h 42m.

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

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

Reviews of airlines servicing Madrid

Read through reviews of airlines operating flights from Washington, D.C. Dulles Intl Airport to Madrid, such as Delta, KLM, and SWISS. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,971 reviews

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

7,971 reviews

Delta

8.0

Very good

7,971 reviews

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!

KLM

7.8

Good

1,381 reviews

Delta

8.0

Very good

7,971 reviews

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

7.6

Good

1,679 reviews

Delta

8.0

Very good

7,971 reviews

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

8,893 reviews

Delta

8.0

Very good

7,971 reviews

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 Canada

7.1

Good

9,813 reviews

Delta

8.0

Very good

7,971 reviews

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

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 9 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, United Airlines ($365), Air Canada ($367), and KLM ($368) 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 46% 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 $212 on TAP AIR PORTUGAL. Other airlines that offer cheap prices include Iberia from $315 and Royal Air Maroc from $339 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 $294.
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 $26 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

Segovia

Fuenlabrada

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Dulles Intl to Madrid

Reagan-National to Madrid flights

Baltimore to Madrid flights

Other flights to Madrid

Top 10 airlines flying from Dulles Intl to Madrid

Airline	Cheapest	Average	Flexibility	On-time
Brussels Airlines	Cheapest$198	Average$731	FlexibilityNo cancel fee	On-timeN/A
Air Canada	Cheapest$353	Average$510	FlexibilityNo cancel fee	On-time67%
TAP AIR PORTUGAL	Cheapest$366	Average$523	FlexibilityNo cancel fee	On-timeN/A
Iberia	Cheapest$417	Average$711	FlexibilityNo cancel fee	On-time77%
Air France	Cheapest$443	Average$740	FlexibilityNo cancel fee	On-time77%
Finnair	Cheapest$452	Average$592	FlexibilityNo cancel fee	On-time76%
KLM	Cheapest$456	Average$637	FlexibilityNo cancel fee	On-time75%
United Airlines	Cheapest$470	Average$754	FlexibilityNo cancel fee	On-time69%
British Airways	Cheapest$471	Average$606	FlexibilityNo cancel fee	On-time70%
Lufthansa	Cheapest$483	Average$720	FlexibilityNo cancel fee	On-time76%

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$212+ 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 9/11. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Dulles Intl to Madrid with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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 Wednesday

Cheap flight deals from Dulles Intl to Madrid

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Dulles Intl to Madrid

Cheapest flights from Dulles Intl to MadridExplore 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 28, 2025.

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 28, 2025.

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The best insider tips for Washington, D.C. Dulles Intl Airport to Madrid flights

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Best time to book a flight from Dulles Intl to Madrid

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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.

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

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 28, 2025.

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.

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 28, 2025.

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.

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.

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.

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.

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 28, 2025.

Read through reviews of airlines operating flights from Washington, D.C. Dulles Intl Airport to Madrid, such as Delta, KLM, and SWISS. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

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?

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

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

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

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

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

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

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

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

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

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

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

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Alternative routes for Dulles Intl to Madrid

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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 28, 2025.