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

According to our current data, United Airlines ($425), TAP AIR PORTUGAL ($428), and Iberia ($433) 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 38% 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 $231 on TAP AIR PORTUGAL. Other airlines that offer cheap prices include Royal Air Maroc from $337 and Iberia from $354 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 $2,559, our data indicates the cheapest price to be $263. The most popular route (Washington, D.C. Dulles Intl - Madrid Barajas), is priced around $274.

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 (80%), Qatar Airways (80%) or Finnair (80%) 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 $23 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 $700 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 16 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.

$231+ Flights from Washington, D.C. Dulles Intl Airport to Madrid, Spain

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Dulles Intl to Madrid with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Madrid Barajas are usually found in February or January, booked 53 days in advance, depart on a Monday or Tuesday and return on a Saturday

Cheap flight deals from Dulles Intl to Madrid

Round-trip from	$425 (United Airlines)
One-way from	$231 (FlightHub)
Popular in	June
Cheapest in	February
Average price	$804
Good round-trip deal	$525 or less
Good one-way deal	$463 or less

From Washington, D.C. Dulles Intl to Madrid Barajas

Search Deals

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 ($162 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($27 potential savings vs. average RT price).

Search Deals

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 11, 2025.

Thu 11/1311:10 pmIAD - MAD

1 stop18h 25mMultiple Airlines

Mon 11/177:35 pmMAD - IAD

1 stop26h 55mMultiple Airlines

Deal found 7/10

$424

Wed 11/125:45 pmIAD - MAD

1 stop16h 55mUnited Airlines

Mon 11/171:45 pmMAD - IAD

2 stops32h 36mUnited Airlines

Deal found 7/10

$426

Wed 9/312:13 pmIAD - MAD

2 stops14h 57mDelta

Wed 10/810:05 amMAD - IAD

1 stop12h 15mDelta

Deal found 7/10

$427

Sat 8/3010:35 pmIAD - MAD

1 stop19h 45mTAP AIR PORTUGAL

Sat 9/66:35 amMAD - IAD

1 stop14h 45mTAP AIR PORTUGAL

Deal found 7/10

$428

Thu 11/69:00 amIAD - MAD

2 stops17h 00mAir Canada

Thu 11/206:25 amMAD - IAD

2 stops20h 34mAir Canada

Deal found 7/10

$432

Tue 8/194:35 pmIAD - MAD

Nonstop7h 50mIberia

Mon 8/2511:50 amMAD - IAD

Nonstop9h 10mIberia

Deal found 7/10

$433

Fri 11/148:45 pmIAD - MAD

1 stop16h 00mSWISS

Mon 11/177:35 pmMAD - IAD

1 stop26h 55mSWISS

Deal found 7/10

$437

Fri 10/310:20 pmIAD - MAD

1 stop18h 05mLufthansa

Thu 10/911:45 amMAD - IAD

1 stop13h 40mLufthansa

Deal found 7/9

$443

Sun 10/55:25 pmIAD - MAD

2 stops14h 45mAustrian Airlines

Wed 10/152:55 pmMAD - IAD

2 stops29h 40mAustrian Airlines

Deal found 7/9

$444

Fri 8/153:00 pmIAD - MAD

1 stop12h 35mKLM

Wed 8/207:05 amMAD - IAD

1 stop14h 30mKLM

Deal found 7/8

$459

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 11, 2025.

Thu 9/256:15 pmIAD - MAD

Nonstop7h 50mUnited Airlines

Tue 9/306:20 amMAD - IAD

1 stop14h 05mUnited Airlines

Deal found 7/10

$425

Thu 9/255:35 pmIAD - MAD

1 stop17h 10mMultiple Airlines

Tue 9/306:20 amMAD - IAD

2 stops20h 45mMultiple Airlines

Deal found 7/10

$427

Sat 8/3010:35 pmIAD - MAD

1 stop19h 45mTAP AIR PORTUGAL

Sat 9/66:35 amMAD - IAD

1 stop14h 45mTAP AIR PORTUGAL

Deal found 7/10

$428

Tue 8/194:35 pmIAD - MAD

Nonstop7h 50mIberia

Mon 8/2511:50 amMAD - IAD

Nonstop9h 10mIberia

Deal found 7/10

$433

Thu 9/188:45 pmIAD - MAD

1 stop16h 00mSWISS

Mon 9/297:35 pmMAD - IAD

1 stop26h 40mSWISS

Deal found 7/10

$437

Mon 8/187:30 pmIAD - MAD

2 stops15h 15mDelta

Tue 8/266:00 amMAD - IAD

2 stops23h 26mDelta

Deal found 7/10

$438

Fri 9/124:35 pmIAD - MAD

Nonstop7h 50mFinnair

Wed 9/1711:50 amMAD - IAD

Nonstop9h 10mFinnair

Deal found 7/10

$439

Fri 10/310:20 pmIAD - MAD

1 stop18h 05mLufthansa

Thu 10/911:45 amMAD - IAD

1 stop13h 40mLufthansa

Deal found 7/9

$443

Sun 10/55:25 pmIAD - MAD

2 stops14h 45mAustrian Airlines

Wed 10/152:55 pmMAD - IAD

2 stops29h 40mAustrian Airlines

Deal found 7/9

$444

Fri 8/112:45 pmIAD - MAD

1 stop14h 50mKLM

Tue 9/27:05 amMAD - IAD

1 stop14h 30mKLM

Deal found 7/8

$459

Mon 8/1110:20 amIAD - MAD

2 stops14h 20mAir Canada

Thu 8/286:20 amMAD - IAD

2 stops15h 58mAir Canada

Deal found 7/8

$472

Fri 9/195:50 pmIAD - MAD

1 stop11h 10mAmerican Airlines

Tue 9/2311:50 amMAD - IAD

Nonstop9h 10mAmerican Airlines

Deal found 7/9

$473

Last-minute flights from Dulles Intl to Madrid
Discover last-minute flight deals from Dulles Intl to Madrid. Data last updated July 11, 2025 and is based on user searches.

Tue 7/159:35 amIAD - MAD

1 stop15h 05mAir Canada

Tue 7/2212:45 pmMAD - IAD

1 stop14h 16mAir Canada

Deal found 7/9

$659

Tue 7/154:30 pmIAD - MAD

1 stop12h 15mITA Airways

Mon 7/2111:35 amMAD - IAD

1 stop33h 05mITA Airways

Deal found 7/9

$682

Tue 7/156:10 pmIAD - MAD

Nonstop7h 55mLufthansa

Tue 7/226:00 amMAD - IAD

1 stop15h 50mLufthansa

Deal found 7/9

$755

Wed 7/163:37 pmIAD - MAD

1 stop11h 58mDelta

Thu 7/316:00 amMAD - IAD

1 stop19h 15mDelta

Deal found 7/9

$688

Wed 7/1610:20 amIAD - MAD

1 stop16h 00mMultiple Airlines

Tue 7/225:05 pmMAD - IAD

1 stop28h 45mMultiple Airlines

Deal found 7/9

$691

Thu 7/173:37 pmIAD - MAD

1 stop11h 58mAir France

Fri 7/2512:20 pmMAD - IAD

1 stop12h 55mAir France

Deal found 7/10

$748

Sun 7/206:10 pmIAD - MAD

Nonstop7h 55mUnited Airlines

Thu 8/76:00 amMAD - IAD

1 stop13h 30mUnited Airlines

Deal found 7/10

$665

Tue 8/59:35 amIAD - MAD

1 stop15h 05mMultiple Airlines

Sun 8/316:00 amMAD - IAD

1 stop13h 30mMultiple Airlines

Deal found 7/8

$452

Tue 8/129:35 amIAD - MAD

1 stop15h 05mAir Canada

Sun 8/2412:45 pmMAD - IAD

2 stops26h 52mAir Canada

Deal found 7/10

$445

Mon 8/187:30 pmIAD - MAD

2 stops15h 15mDelta

Tue 8/266:00 amMAD - IAD

2 stops23h 26mDelta

Deal found 7/10

$438

Tue 8/194:35 pmIAD - MAD

Nonstop7h 50mIberia

Mon 8/2511:50 amMAD - IAD

Nonstop9h 10mIberia

Deal found 7/10

$433

Sun 8/243:00 pmIAD - MAD

1 stop12h 35mKLM

Thu 12/2510:00 amMAD - IAD

1 stop12h 46mKLM

Deal found 7/10

$453

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 11, 2025.

Tue 7/225:00 pmIAD - MAD

1 stop25h 20mTAP AIR PORTUGAL

Deal found 7/10

$231

Sun 9/282:58 pmIAD - MAD

2 stops52h 17mMultiple Airlines

Deal found 7/8

$253

Mon 9/229:05 pmIAD - MAD

1 stop16h 05mRoyal Air Maroc

Deal found 7/10

$337

Mon 8/114:35 pmIAD - MAD

Nonstop7h 50mIberia

Deal found 7/9

$354

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

Thu 9/25

6:15 pm-8:05 am

Nonstop7h 50m

Madrid Barajas

Tue 9/30

6:20 am-2:25 pm

1 stop14h 05m

$425

Washington, D.C.Madrid

IAD - MAD

IADMAD

Washington, D.C. Dulles Intl

Wed 9/3

12:13 pm-9:10 am

2 stops14h 57m

Madrid Barajas

Wed 10/8

10:05 am-4:20 pm

1 stop12h 15m

$427

Washington, D.C.Madrid

IAD - MAD

IADMAD

Washington, D.C. Dulles Intl

Sat 8/30

10:35 pm-12:20 am

1 stop19h 45m

Madrid Barajas

Sat 9/6

6:35 am-3:20 pm

1 stop14h 45m

$428

Washington, D.C.Madrid

IAD - MAD

IADMAD

Washington, D.C. Dulles Intl

Sat 9/20

9:35 am-6:40 am

1 stop15h 05m

Madrid Barajas

Tue 9/30

6:20 am-4:10 pm

2 stops15h 50m

$431

Washington, D.C.Madrid

IAD - MAD

IADMAD

Washington, D.C. Dulles Intl

Tue 8/19

4:35 pm-6:25 am

Nonstop7h 50m

Madrid Barajas

Mon 8/25

11:50 am-3:00 pm

Nonstop9h 10m

$433

Washington, D.C.Madrid

IAD - MAD

IADMAD

Washington, D.C. Dulles Intl

Thu 9/18

8:45 pm-6:45 pm

1 stop16h 00m

Madrid Barajas

Mon 9/29

7:35 pm-4:15 pm

1 stop26h 40m

$437

Washington, D.C.Madrid

IAD - MAD

IADMAD

Washington, D.C. Dulles Intl

Fri 9/12

4:35 pm-6:25 am

Nonstop7h 50m

Madrid Barajas

Wed 9/17

11:50 am-3:00 pm

Nonstop9h 10m

$439

Washington, D.C.Madrid

IAD - MAD

IADMAD

Washington, D.C. Dulles Intl

Fri 10/3

10:20 pm-10:25 pm

1 stop18h 05m

Madrid Barajas

Tue 10/14

7:10 am-7:25 pm

1 stop18h 15m

$443

Washington, D.C.Madrid

IAD - MAD

IADMAD

Washington, D.C. Dulles Intl

Sun 10/5

5:25 pm-2:10 pm

2 stops14h 45m

Madrid Barajas

Wed 10/15

2:55 pm-2:35 pm

2 stops29h 40m

$444

Washington, D.C.Madrid

IAD - MAD

IADMAD

Washington, D.C. Dulles Intl

Sat 9/27

9:20 pm-3:35 pm

1 stop12h 15m

Madrid Barajas

Thu 10/23

7:05 am-3:35 pm

1 stop14h 30m

$448

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/10

Showing 1-10 of 16 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 53 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 $1,053). 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 14% on flights from Washington, D.C. Dulles Intl Airport to Madrid by exploring options for tickets at noon.

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 at noon 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 Tuesday (10 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (6 on average).

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 Austrian Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,952 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

7,952 reviews

Delta

8.0

Very good

7,952 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

1,372 reviews

Delta

8.0

Very good

7,952 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!

Austrian Airlines

7.6

Good

806 reviews

Delta

8.0

Very good

7,952 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!

Finnair

7.6

Good

1,312 reviews

Delta

8.0

Very good

7,952 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

7.5

Good

1,655 reviews

Delta

8.0

Very good

7,952 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 16 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 ($425), TAP AIR PORTUGAL ($428), and Iberia ($433) 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 38% 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 $231 on TAP AIR PORTUGAL. Other airlines that offer cheap prices include Royal Air Maroc from $337 and Iberia from $354 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 (80%), Qatar Airways (80%) or Finnair (80%) 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 $2,559, our data indicates the cheapest price to be $263. The most popular route (Washington, D.C. Dulles Intl - Madrid Barajas), is priced around $274.
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 $23 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 $1,053). 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
TAP AIR PORTUGAL	Cheapest$375	Average$531	FlexibilityNo cancel fee	On-timeN/A
Finnair	Cheapest$452	Average$607	FlexibilityNo cancel fee	On-time76%
KLM	Cheapest$456	Average$663	FlexibilityNo cancel fee	On-time75%
Iberia	Cheapest$458	Average$729	FlexibilityNo cancel fee	On-time77%
United Airlines	Cheapest$472	Average$761	FlexibilityNo cancel fee	On-time69%
British Airways	Cheapest$474	Average$607	FlexibilityNo cancel fee	On-time70%
Air France	Cheapest$479	Average$738	FlexibilityNo cancel fee	On-time77%
Lufthansa	Cheapest$484	Average$718	FlexibilityNo cancel fee	On-time76%
ITA Airways	Cheapest$492	Average$780	FlexibilityNo cancel fee	On-time81%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$231+ 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 7/22. 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 53 days in advance, depart on a Monday or Tuesday and return on a Saturday

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 11, 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 11, 2025.

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.

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

MAD

Our travel experts

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.

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 June 27, 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 11, 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 11, 2025.

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 11, 2025.

Read through reviews of airlines operating flights from Washington, D.C. Dulles Intl Airport to Madrid, such as Delta, KLM, and Austrian Airlines. 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?

Traveling to a place near Washington, D.C. Dulles Intl Airport?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Dulles Intl to Madrid

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from Dulles Intl to Madrid

100% Free

Book with Flexibility

Travel Smart

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 11, 2025.