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$237+ Cheap flights from Dulles Intl (IAD) to Spain

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 3/23. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — MAD
Mar 13 — Mar 201
Fri 3/13
Fri 3/20
1 adult, Economy
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Cheap flight deals from Dulles Intl to Spain

Cheapest flights from Dulles Intl to Spain
Explore the most affordable flight options available from Dulles Intl to Spain. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 11, 2026.

This oojo deal was found by Cheapflights users on 2/8. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/96:30 pm
IAD
-
VLC
1 stop18h 00m
TAP AIR PORTUGAL
Mon 3/166:15 pm
VLC
-
IAD
1 stop26h 20m
TAP AIR PORTUGAL
Deal found 2/8$435
This oojo deal was found by Cheapflights users on 2/9. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/235:40 pm
IAD
-
VLC
1 stop18h 00m
TAP AIR PORTUGAL
Sat 8/295:55 am
VLC
-
IAD
1 stop20h 10m
TAP AIR PORTUGAL
Deal found 2/9$455
This oojo deal was found by Cheapflights users on 2/9. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/810:30 pm
IAD
-
BCN
1 stop19h 15m
TAP AIR PORTUGAL
Thu 11/199:10 pm
BCN
-
IAD
1 stop29h 25m
TAP AIR PORTUGAL
Deal found 2/9$459
This oojo deal was found by Cheapflights users on 2/9. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/310:35 pm
IAD
-
MAD
1 stop16h 50m
TAP AIR PORTUGAL
Fri 9/1111:05 am
MAD
-
IAD
1 stop15h 30m
TAP AIR PORTUGAL
Deal found 2/9$462
This Cheapflightsfares deal was found by Cheapflights users on 2/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2410:35 pm
IAD
-
BCN
1 stop17h 15m
TAP AIR PORTUGAL
Wed 9/211:25 am
BCN
-
IAD
1 stop15h 10m
TAP AIR PORTUGAL
Deal found 2/11$463
This oojo deal was found by Cheapflights users on 2/9. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/165:30 pm
IAD
-
MAD
1 stop11h 50m
TAP AIR PORTUGAL
Mon 2/236:00 pm
MAD
-
IAD
1 stop26h 35m
TAP AIR PORTUGAL
Deal found 2/9$463
This BusinessClass deal was found by Cheapflights users on 2/9. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/1310:35 pm
IAD
-
MAD
1 stop10h 45m
TAP AIR PORTUGAL
Thu 4/307:40 am
MAD
-
IAD
1 stop13h 25m
TAP AIR PORTUGAL
Deal found 2/9$464
This oojo deal was found by Cheapflights users on 2/9. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/210:35 pm
IAD
-
VLC
1 stop12h 00m
TAP AIR PORTUGAL
Mon 9/76:25 pm
VLC
-
IAD
1 stop26h 40m
TAP AIR PORTUGAL
Deal found 2/9$465
This Mytrip deal was found by Cheapflights users on 2/8. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/189:00 am
IAD
-
MAD
2 stops17h 00m
Multiple Airlines
Wed 2/255:55 am
MAD
-
IAD
1 stop15h 55m
Multiple Airlines
Deal found 2/8$465
This Kiwi.com deal was found by Cheapflights users on 2/9. 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.
Wed 3/117:00 pm
IAD
-
PMI
1 stop11h 50m
Austrian Airlines
Mon 3/1612:35 pm
PMI
-
IAD
1 stop32h 05m
Austrian Airlines
Deal found 2/9$466
This Mytrip deal was found by Cheapflights users on 2/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/59:55 am
IAD
-
MAD
1 stop16h 55m
Multiple Airlines
Mon 10/127:30 pm
MAD
-
IAD
1 stop27h 15m
Multiple Airlines
Deal found 2/10$466
This Cheapflightsfares deal was found by Cheapflights users on 2/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/305:00 pm
IAD
-
MAD
Nonstop7h 50m
British Airways
Fri 10/912:20 pm
MAD
-
IAD
Nonstop9h 10m
British Airways
Deal found 2/10$467

Find flight deals from Dulles Intl to Spain

Keep the following information in mind while searching for Dulles Intl to Spain flight deals. Data was last updated February 11, 2026.

Round-trip from

$435
(oojo)

One-way from

$237
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$638

Good round-trip deal

$526 or less

Good one-way deal

$346 or less
From Washington, D.C. Dulles Intl to Spain
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Spain
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($193 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($35 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals
Price to beat on a round-trip flight from Washington, D.C. Dulles Intl to Spain.
Search Deals
Price to beat on a one-way flight from Washington, D.C. Dulles Intl to Spain.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to Spain 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 February 11, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Spain that are best for you.

Fly from

Dulles Intl

Fly to

Spain

Route

Depart

Return

Price

Washington, D.C.Palma de Mallorca

IAD - PMI

IADPMI

Washington, D.C. Dulles Intl

Thu 4/16

8:20 pm-8:10 pm

1 stop17h 50m

Palma de Mallorca Son Sant Joan

Thu 4/23

9:55 am-4:50 pm

1 stop12h 55m

$469

Washington, D.C.Madrid

IAD - MAD

IADMAD

Washington, D.C. Dulles Intl

Tue 4/14

12:40 pm-6:50 am

1 stop12h 10m

Madrid Barajas

Wed 4/22

11:15 am-2:00 pm

Nonstop8h 45m

$480

Washington, D.C.Madrid

IAD - MAD

IADMAD

Washington, D.C. Dulles Intl

Tue 4/7

10:08 pm-11:50 am

2 stops31h 42m

Madrid Barajas

Fri 4/17

12:45 pm-12:15 am

2 stops41h 30m

$480

Washington, D.C.Madrid

IAD - MAD

IADMAD

Washington, D.C. Dulles Intl

Tue 3/17

1:19 pm-7:00 am

1 stop12h 41m

Madrid Barajas

Tue 3/31

6:00 am-3:35 pm

1 stop15h 35m

$484

Washington, D.C.Madrid

IAD - MAD

IADMAD

Washington, D.C. Dulles Intl

Tue 3/17

6:01 am-8:05 am

1 stop21h 04m

Madrid Barajas

Tue 3/24

1:05 pm-5:05 pm

1 stop33h 00m

$485

Washington, D.C.Palma de Mallorca

IAD - PMI

IADPMI

Washington, D.C. Dulles Intl

Fri 4/17

8:20 pm-9:05 am

1 stop30h 45m

Palma de Mallorca Son Sant Joan

Wed 4/22

11:40 am-4:50 pm

2 stops35h 10m

$487

Washington, D.C.Palma de Mallorca

IAD - PMI

IADPMI

Washington, D.C. Dulles Intl

Sun 4/5

8:20 pm-9:05 am

1 stop30h 45m

Palma de Mallorca Son Sant Joan

Sat 4/18

10:30 am-4:50 pm

2 stops36h 20m

$490

Washington, D.C.Madrid

IAD - MAD

IADMAD

Washington, D.C. Dulles Intl

Mon 3/2

6:50 pm-11:30 am

1 stop10h 40m

Madrid Barajas

Fri 4/24

6:00 am-4:05 pm

1 stop16h 05m

$490

Washington, D.C.Palma de Mallorca

IAD - PMI

IADPMI

Washington, D.C. Dulles Intl

Sun 4/19

8:20 pm-7:50 pm

1 stop17h 30m

Palma de Mallorca Son Sant Joan

Thu 4/23

9:55 am-4:50 pm

1 stop12h 55m

$497

Washington, D.C.Palma de Mallorca

IAD - PMI

IADPMI

Washington, D.C. Dulles Intl

Wed 4/15

8:20 pm-7:15 pm

1 stop16h 55m

Palma de Mallorca Son Sant Joan

Mon 4/20

6:20 pm-4:45 pm

1 stop28h 25m

$504

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/10

Showing 1-10 of 60 results
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Best time to book a flight from Dulles Intl to Spain

Have a flexible travel schedule? Discover the best time to fly to Spain 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 Spain

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

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Spain (average of $337). Flying from Washington, D.C. Dulles Intl Airport to Spain in June is currently the most expensive (average of $537). 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.

How often are flights from Washington, D.C. to Spain delayed?

About 20% of weekly flights between Washington, D.C. and Spain have experienced delays in the past year, with the average delay time being 178 minutes.

What is the most punctual flight time for Washington, D.C. to Spain flights?

Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Sunday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Washington, D.C. to Spain flights?

Over the last year, Iberia have had the lowest number of delays on this route, with just 13% of flights being delayed.

Reviews of airlines servicing Spain

Get insights into the airlines that provide service to Spain. 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 Spain. Reviews last updated February 11, 2026.
Read through reviews of airlines operating flights from Washington, D.C. Dulles Intl Airport to Spain, such as United Airlines, TAP AIR PORTUGAL, and Iberia. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,274 reviews

Overall

7.4

Food

6.6

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,274 reviews
United Airlines
7.4
Good
9,274 reviews

Overall

7.4

Food

6.6

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
TAP AIR PORTUGAL
7.1
Good
2,139 reviews
United Airlines
7.4
Good
9,274 reviews

Overall

7.4

Food

6.6

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
Iberia
7.0
Good
3,114 reviews
United Airlines
7.4
Good
9,274 reviews

Overall

7.4

Food

6.6

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
Lufthansa
6.8
Okay
7,779 reviews
United Airlines
7.4
Good
9,274 reviews

Overall

7.4

Food

6.6

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
British Airways
6.7
Okay
7,730 reviews
United Airlines
7.4
Good
9,274 reviews

Overall

7.4

Food

6.6

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Spain. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Washington, D.C. Dulles Intl Airport to Spain?

    Departing from Washington, D.C. Dulles Intl Airport to Spain will take you 12h 10m. The distance from Washington, D.C. Dulles Intl Airport to Spain is about 3803 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    The cheapest airline one-way is TAP AIR PORTUGAL, with whom users have recently found tickets for as low as $184. However, be on the lookout for offers from Icelandair and Turkish Airlines, as they are both options that can get you from Washington, D.C. Dulles Intl Airport to Spain for a low price.

  • What are the most popular routes from Washington, D.C. Dulles Intl Airport to Spain?

    The most popular route from Washington, D.C. Dulles Intl Airport to Spain is Washington, D.C. Dulles Intl - Madrid Barajas. You may also consider Washington, D.C. Dulles Intl - Barcelona-El Prat or Washington, D.C. Dulles Intl - Malaga.

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

    Consider American Airlines (80%), Qatar Airways (80%) or Aer Lingus (80%) when booking your flight. These represent the most reliable airlines when flying from Washington, D.C. Dulles Intl Airport to Spain.

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

    The cheapest flight price from Washington, D.C. Dulles Intl Airport to Spain is $237. On average you can expect to pay $1,188. The most popular route, (Washington, D.C. Dulles Intl - Madrid Barajas), can usually be booked for $395.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Dulles Intl to Spain 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 Spain?

    Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Spain (average of $337). Flying from Washington, D.C. Dulles Intl Airport to Spain in June is currently the most expensive (average of $537). 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

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Alternative routes for Dulles Intl to Spain

See prices for flight routes from nearby airports that may be better suited for you.
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Reagan-National to Heathrow flights
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Dulles Intl to Dublin flights
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Reagan-National to Gatwick flights
Dulles Intl to Orly flights
Baltimore to Charles de Gaulle flights
Reagan-National to Charles de Gaulle flights
Dulles Intl to Frankfurt flights
Dulles Intl to Edinburgh flights
Reagan-National to Madrid flights
Baltimore to Madrid flights
Baltimore to Leonardo da Vinci/Fiumicino flights
Reagan-National to Leonardo da Vinci/Fiumicino flights
Dulles Intl to Zurich flights
Reagan-National to Orly flights
Dulles Intl to Luton flights
Dulles Intl to Keflavik Intl flights
Baltimore to Lisbon flights
Dulles Intl to Munich flights
Baltimore to Athens flights
Reagan-National to Lisbon flights
Dulles Intl to Vicenza flights
Reagan-National to Athens flights
Baltimore to Barcelona-El Prat flights
Dulles Intl to Bruxelles-National flights
Dulles Intl to Malpensa flights
Reagan-National to Barcelona-El Prat flights
Reagan-National to Dublin flights
Baltimore to Dublin flights
Reagan-National to Istanbul flights
Dulles Intl to Linate flights
Baltimore to Istanbul flights
Baltimore to Keflavik Intl flights
Reagan-National to Malpensa flights
Reagan-National to Amsterdam flights
Baltimore to Amsterdam flights
Dulles Intl to Geneva flights

Top 10 airlines flying from Dulles Intl to Spain

Discover the top 10 airlines that operate flights from Dulles Intl to Spain. 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 February 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
Brussels AirlinesCheapest$198Average$731FlexibilityNo cancel feeOn-timeN/A
SWISSCheapest$200Average$747FlexibilityNo cancel feeOn-time79%
TAP AIR PORTUGALCheapest$312Average$692FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$353Average$510FlexibilityNo cancel feeOn-time67%
IberiaCheapest$386Average$739FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$390Average$479FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$398Average$556FlexibilityNo cancel feeOn-time77%
KLMCheapest$409Average$570FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$414Average$754FlexibilityNo cancel feeOn-time69%
FinnairCheapest$423Average$551FlexibilityNo cancel feeOn-time76%

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