Spain

$205+ 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 10/16. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — MAD
ago 23 — ago 301
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Cheap 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 agosto 18, 2025.

Round-trip from

$359
(Kiwi.com)

One-way from

$205
(oojo)

Popular in

June

Cheapest in

February

Average price

$718

Good round-trip deal

$445 or less

Good one-way deal

$394 or less
From Washington, D.C. Dulles Intl to Spain
One-way flight from Washington, D.C. Dulles Intl to Spain
Highest demand for flights based on searches. 16% potential increase in price ($162 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($34 potential savings vs. average RT price).
Average for round-trip flights in August 2025
Price to beat on a round-trip flight from Washington, D.C. Dulles Intl to Spain.
Price to beat on a one-way flight from Washington, D.C. Dulles Intl to Spain.

Find 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 agosto 18, 2025.

This Kiwi.com deal was found by Cheapflights users on 8/18. 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.
ter 10/145:00 pmIAD - MAD
1 stop11h 15mTAP AIR PORTUGAL
seg 10/2010:15 pmMAD - IAD
1 stop28h 35mTAP AIR PORTUGAL
Deal found 8/18$359
This Kiwi.com deal was found by Cheapflights users on 8/16. 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.
dom 10/55:45 pmIAD - MAD
1 stop19h 35mTAP AIR PORTUGAL
qua 10/158:10 pmMAD - IAD
1 stop25h 10mTAP AIR PORTUGAL
Deal found 8/16$360
This Kiwi.com deal was found by Cheapflights users on 8/15. 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.
qui 10/1610:20 pmIAD - MAD
1 stop12h 45mTAP AIR PORTUGAL
ter 10/218:10 pmMAD - IAD
1 stop25h 10mTAP AIR PORTUGAL
Deal found 8/15$361
This Booking.com deal was found by Cheapflights users on 8/18. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 10/1510:20 pmIAD - MAD
1 stop15h 00mTAP AIR PORTUGAL
ter 10/218:10 pmMAD - IAD
1 stop25h 10mTAP AIR PORTUGAL
Deal found 8/18$362
This Kiwi.com deal was found by Cheapflights users on 8/18. 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.
ter 10/145:00 pmIAD - MAD
1 stop11h 15mTAP AIR PORTUGAL
ter 10/2110:15 pmMAD - IAD
1 stop23h 05mTAP AIR PORTUGAL
Deal found 8/18$367
This Kiwi.com deal was found by Cheapflights users on 8/16. 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.
dom 9/215:45 pmIAD - MAD
1 stop15h 40mTAP AIR PORTUGAL
qua 10/110:15 pmMAD - IAD
1 stop28h 35mTAP AIR PORTUGAL
Deal found 8/16$368
This oojo deal was found by Cheapflights users on 8/17. 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.
ter 11/115:30 pmIAD - MAD
1 stop20h 50mTAP AIR PORTUGAL
qua 11/269:10 pmMAD - IAD
1 stop24h 05mTAP AIR PORTUGAL
Deal found 8/17$369
This oojo deal was found by Cheapflights users on 8/17. 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.
ter 9/1610:20 pmIAD - MAD
1 stop20h 00mTAP AIR PORTUGAL
qua 9/245:55 pmMAD - IAD
1 stop27h 25mTAP AIR PORTUGAL
Deal found 8/17$370
This Mytrip deal was found by Cheapflights users on 8/16. 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.
seg 9/2910:20 pmIAD - MAD
1 stop20h 00mTAP AIR PORTUGAL
qua 10/155:55 pmMAD - IAD
1 stop27h 25mTAP AIR PORTUGAL
Deal found 8/16$372
This oojo deal was found by Cheapflights users on 8/18. 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.
ter 11/45:30 pmIAD - MAD
1 stop14h 35mTAP AIR PORTUGAL
qua 11/122:55 pmMAD - IAD
1 stop30h 20mTAP AIR PORTUGAL
Deal found 8/18$376
This oojo deal was found by Cheapflights users on 8/17. 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.
qua 11/128:30 pmIAD - PMI
1 stop32h 55mScandinavian Airlines
qua 11/199:55 amPMI - IAD
1 stop13h 20mScandinavian Airlines
Deal found 8/17$403
This lol.travel deal was found by Cheapflights users on 8/16. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
seg 9/2210:20 pmIAD - SVQ
1 stop20h 10mTAP AIR PORTUGAL
qua 10/86:30 amSVQ - IAD
1 stop14h 50mTAP AIR PORTUGAL
Deal found 8/16$438

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 agosto 18, 2025.
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

qua 11/12

8:30 pm-11:25 am

1 stop32h 55m

Palma de Mallorca Son Sant Joan

qua 11/19

9:55 am-5:15 pm

1 stop13h 20m

$403

Washington, D.C.Seville

IAD - SVQ

IADSVQ

Washington, D.C. Dulles Intl

seg 9/22

10:20 pm-12:30 am

1 stop20h 10m

Sevilla

qua 10/8

6:30 am-3:20 pm

1 stop14h 50m

$438

Washington, D.C.Seville

IAD - SVQ

IADSVQ

Washington, D.C. Dulles Intl

ter 9/23

5:00 pm-9:30 am

1 stop10h 30m

Sevilla

qui 10/2

6:30 am-8:50 pm

1 stop20h 20m

$441

Washington, D.C.Seville

IAD - SVQ

IADSVQ

Washington, D.C. Dulles Intl

ter 11/11

5:30 pm-9:15 am

1 stop9h 45m

Sevilla

qui 12/11

6:30 am-3:15 pm

1 stop14h 45m

$443

Washington, D.C.Seville

IAD - SVQ

IADSVQ

Washington, D.C. Dulles Intl

seg 9/8

10:20 pm-12:30 am

1 stop20h 10m

Sevilla

qui 9/25

6:30 am-3:20 pm

1 stop14h 50m

$443

Washington, D.C.Seville

IAD - SVQ

IADSVQ

Washington, D.C. Dulles Intl

qua 11/12

10:30 pm-11:45 pm

1 stop19h 15m

Sevilla

qui 12/11

6:30 am-3:15 pm

1 stop14h 45m

$443

Washington, D.C.Valencia

IAD - VLC

IADVLC

Washington, D.C. Dulles Intl

seg 12/8

5:30 pm-5:30 pm

1 stop18h 00m

Valencia

seg 12/15

11:55 am-2:35 pm

1 stop32h 40m

$443

Washington, D.C.Madrid

IAD - MAD

IADMAD

Washington, D.C. Dulles Intl

seg 10/6

9:35 am-6:40 am

1 stop15h 05m

Madrid Barajas

qua 10/22

12:45 pm-1:51 pm

2 stops31h 06m

$461

Washington, D.C.Palma de Mallorca

IAD - PMI

IADPMI

Washington, D.C. Dulles Intl

qui 9/18

10:05 pm-8:10 pm

1 stop16h 05m

Palma de Mallorca Son Sant Joan

qui 10/2

9:55 am-7:59 pm

1 stop16h 04m

$463

Washington, D.C.Palma de Mallorca

IAD - PMI

IADPMI

Washington, D.C. Dulles Intl

qua 10/15

10:05 pm-9:05 am

1 stop29h 00m

Palma de Mallorca Son Sant Joan

qua 10/22

11:40 am-7:59 pm

2 stops38h 19m

$472

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/18

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, November is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Spain (average of $543). Flying from Washington, D.C. Dulles Intl Airport to Spain 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 ES?

Find hourly flight availability from Dulles Intl to Spain. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated agosto 18, 2025.

When flying from Washington, D.C. Dulles Intl Airport to Spain, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

Explore weekly flight availability from Dulles Intl to Spain. 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 agosto 18, 2025.

The most flights from IAD to ES0 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).

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 agosto 18, 2025.
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.

Comfort

7.3

Entertainment

7.1

Overall

7.4

Boarding

7.7

Crew

8.1

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Comfort

7.3

Entertainment

7.1

Overall

7.4

Boarding

7.7

Crew

8.1

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Comfort

7.3

Entertainment

7.1

Overall

7.4

Boarding

7.7

Crew

8.1

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Comfort

7.3

Entertainment

7.1

Overall

7.4

Boarding

7.7

Crew

8.1

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Comfort

7.3

Entertainment

7.1

Overall

7.4

Boarding

7.7

Crew

8.1

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Comfort

7.3

Entertainment

7.1

Overall

7.4

Boarding

7.7

Crew

8.1

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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 15h 05m. 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 most popular routes from Washington, D.C. Dulles Intl Airport to Spain?

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

    Consider Aer Lingus (78%), American Airlines (72%) or Qatar Airways (72%) 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 $263. On average you can expect to pay $985. The most popular route, (Washington, D.C. Dulles Intl - Madrid Barajas), can usually be booked for $325.

  • 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, November is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Spain (average of $543). Flying from Washington, D.C. Dulles Intl Airport to Spain 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

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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.

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 agosto 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Brussels AirlinesCheapest$198Average$733FlexibilityNo cancel feeOn-timeN/A
SWISSCheapest$322Average$843FlexibilityNo cancel feeOn-time79%
TAP AIR PORTUGALCheapest$349Average$705FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$353Average$510FlexibilityNo cancel feeOn-time67%
IcelandairCheapest$384Average$564FlexibilityNo cancel feeOn-time76%
IberiaCheapest$392Average$751FlexibilityNo cancel feeOn-time77%
KLMCheapest$409Average$662FlexibilityNo cancel feeOn-time75%
Scandinavian AirlinesCheapest$409Average$605FlexibilityNo cancel feeOn-time77%
FinnairCheapest$431Average$581FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$435Average$712FlexibilityNo cancel feeOn-time70%

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