Spain

$228+ 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 8/17. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — MAD
jul. 7 — jul. 141
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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 julio 2, 2025.

Round-trip from

$461
(lol.travel)

One-way from

$228
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$883

Good round-trip deal

$554 or less

Good one-way deal

$398 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. 13% potential increase in price ($134 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($31 potential savings vs. average RT price).
Average for round-trip flights in July 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 julio 2, 2025.

This lol.travel deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/1710:20 pmIAD - SVQ
1 stop10h 45mTAP AIR PORTUGAL
sáb. 8/3010:15 amSVQ - IAD
1 stop11h 05mTAP AIR PORTUGAL
Deal found 6/30$461
This lol.travel deal was found by Cheapflights users on 7/1. 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.
lun. 8/185:45 pmIAD - BIO
1 stop18h 15mTAP AIR PORTUGAL
dom. 8/317:45 pmBIO - IAD
1 stop25h 35mTAP AIR PORTUGAL
Deal found 7/1$466
This CrystalTravel deal was found by Cheapflights users on 7/1. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/2110:20 pmIAD - BIO
1 stop19h 05mLufthansa
jue. 11/66:30 amBIO - IAD
1 stop15h 20mLufthansa
Deal found 7/1$469
This oojo deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 8/3010:05 pmIAD - PMI
2 stops16h 45mScandinavian Airlines
sáb. 9/1310:30 amPMI - IAD
2 stops15h 29mScandinavian Airlines
Deal found 6/30$480
This United Airlines deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 9/215:37 pmIAD - MAD
1 stop31h 03mUnited Airlines
jue. 10/305:55 amMAD - IAD
1 stop15h 55mUnited Airlines
Deal found 7/2$480
This oojo deal was found by Cheapflights users on 7/2. 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.
vie. 8/85:00 pmIAD - MAD
1 stop11h 15mTAP AIR PORTUGAL
dom. 8/245:55 pmMAD - IAD
1 stop27h 25mTAP AIR PORTUGAL
Deal found 7/2$481
This CrystalTravel deal was found by Cheapflights users on 7/1. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/148:45 pmIAD - MAD
1 stop16h 00mMultiple Airlines
mar. 11/187:25 amMAD - IAD
2 stops37h 15mMultiple Airlines
Deal found 7/1$482
This Delta deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/313:00 pmIAD - MAD
1 stop12h 00mDelta
sáb. 11/86:00 amMAD - IAD
1 stop15h 45mDelta
Deal found 7/1$483
This Cheapflightsfares deal was found by Cheapflights users on 7/2. 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.
vie. 8/154:35 pmIAD - MAD
Nonstop7h 50mIberia
lun. 8/2511:50 amMAD - IAD
Nonstop9h 10mIberia
Deal found 7/2$484
This British Airways deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 9/75:50 pmIAD - MAD
1 stop11h 25mBritish Airways
sáb. 9/2010:35 amMAD - IAD
1 stop15h 40mBritish Airways
Deal found 6/30$485
This Air Canada deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 9/215:37 pmIAD - MAD
1 stop31h 03mAir Canada
jue. 10/305:55 amMAD - IAD
2 stops20h 25mAir Canada
Deal found 6/30$486
This Mytrip deal was found by Cheapflights users on 7/1. 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.
mar. 10/216:10 pmIAD - BIO
1 stop13h 10mMultiple Airlines
jue. 11/66:30 amBIO - IAD
2 stops20h 29mMultiple Airlines
Deal found 7/1$490

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 julio 2, 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.Seville

IAD - SVQ

IADSVQ

Washington, D.C. Dulles Intl

dom. 8/17

10:20 pm-3:05 pm

1 stop10h 45m

Sevilla

sáb. 8/30

10:15 am-3:20 pm

1 stop11h 05m

$461

Washington, D.C.Bilbao

IAD - BIO

IADBIO

Washington, D.C. Dulles Intl

lun. 8/18

5:45 pm-6:00 pm

1 stop18h 15m

Bilbao

dom. 8/31

7:45 pm-3:20 pm

1 stop25h 35m

$466

Washington, D.C.Bilbao

IAD - BIO

IADBIO

Washington, D.C. Dulles Intl

mar. 10/21

10:20 pm-11:25 pm

1 stop19h 05m

Bilbao

jue. 11/6

6:30 am-3:50 pm

1 stop15h 20m

$469

Washington, D.C.Palma de Mallorca

IAD - PMI

IADPMI

Washington, D.C. Dulles Intl

sáb. 8/30

10:05 pm-8:50 pm

2 stops16h 45m

Palma de Mallorca Son Sant Joan

sáb. 9/13

10:30 am-7:59 pm

2 stops15h 29m

$480

Washington, D.C.Madrid

IAD - MAD

IADMAD

Washington, D.C. Dulles Intl

dom. 9/21

5:37 pm-6:40 am

1 stop31h 03m

Madrid Barajas

mié. 10/29

8:35 am-4:50 pm

1 stop13h 15m

$480

Washington, D.C.Madrid

IAD - MAD

IADMAD

Washington, D.C. Dulles Intl

vie. 8/8

5:00 pm-10:15 am

1 stop11h 15m

Madrid Barajas

dom. 8/24

5:55 pm-3:20 pm

1 stop27h 25m

$481

Washington, D.C.Madrid

IAD - MAD

IADMAD

Washington, D.C. Dulles Intl

vie. 11/14

8:45 pm-6:45 pm

1 stop16h 00m

Madrid Barajas

mar. 11/18

7:25 am-2:40 pm

2 stops37h 15m

$482

Washington, D.C.Madrid

IAD - MAD

IADMAD

Washington, D.C. Dulles Intl

vie. 10/31

3:00 pm-8:00 am

1 stop12h 00m

Madrid Barajas

sáb. 11/8

7:05 am-3:45 pm

1 stop14h 40m

$483

Washington, D.C.Madrid

IAD - MAD

IADMAD

Washington, D.C. Dulles Intl

vie. 8/15

4:35 pm-6:25 am

Nonstop7h 50m

Madrid Barajas

lun. 8/25

11:50 am-3:00 pm

Nonstop9h 10m

$484

Washington, D.C.Madrid

IAD - MAD

IADMAD

Washington, D.C. Dulles Intl

dom. 9/7

5:50 pm-11:15 am

1 stop11h 25m

Madrid Barajas

sáb. 9/20

10:35 am-8:15 pm

1 stop15h 40m

$485

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

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 $1,054). 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 julio 2, 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 julio 2, 2025.

The most flights from IAD to ES0 are scheduled on a Wednesday (10 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (5 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 julio 2, 2025.
Read through reviews of airlines operating flights from Washington, D.C. Dulles Intl Airport to Spain, such as Delta, KLM, and Air France. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

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!
8.0
Very good
8.0
Very good

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

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!
8.0
Very good

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

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!
8.0
Very good

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

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!
8.0
Very good

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

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!
8.0
Very good

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

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

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Spain. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Spain one-way?

    The cheapest airline one-way is Icelandair, with whom users have recently found tickets for as low as $242. However, be on the lookout for offers from TAP AIR PORTUGAL and Royal Air Maroc, 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?

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

    Consider American Airlines (85%), Qatar Airways (85%) or Finnair (85%) 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 $357. On average you can expect to pay $2,151. The most popular route, (Washington, D.C. Dulles Intl - Madrid Barajas), can usually be booked for $340.

  • 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 $1,054). 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 julio 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
Brussels AirlinesCheapest$198Average$731FlexibilityNo cancel feeOn-timeN/A
PLAYCheapest$308Average$402FlexibilityNo cancel feeOn-timeN/A
SWISSCheapest$322Average$854FlexibilityNo cancel feeOn-time79%
TAP AIR PORTUGALCheapest$377Average$721FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$384Average$594FlexibilityNo cancel feeOn-time76%
IberiaCheapest$431Average$803FlexibilityNo cancel feeOn-time77%
Scandinavian AirlinesCheapest$437Average$647FlexibilityNo cancel feeOn-time77%
FinnairCheapest$452Average$610FlexibilityNo cancel feeOn-time76%
KLMCheapest$456Average$693FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$464Average$933FlexibilityNo cancel feeOn-time76%

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