Spain

$269+ 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 8/18. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — MAD
jun. 17 — jun. 241
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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 junio 12, 2025.

Round-trip from

$510
(CrystalTravel)

One-way from

$269
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$1,190

Good round-trip deal

$566 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. 12% potential increase in price ($123 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($30 potential savings vs. average RT price).
Average for round-trip flights in June 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 junio 12, 2025.

This oojo deal was found by Cheapflights users on 6/11. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 9/285:45 pmIAD - BIO
1 stop11h 55mTAP AIR PORTUGAL
mié. 10/812:25 pmBIO - IAD
1 stop14h 25mTAP AIR PORTUGAL
Deal found 6/11$479
This Cheapflightsfares deal was found by Cheapflights users on 6/11. 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.
mié. 10/14:35 pmIAD - BIO
1 stop9h 55mIberia
mié. 10/159:15 amBIO - IAD
1 stop11h 45mIberia
Deal found 6/11$485
This FlightHub deal was found by Cheapflights users on 6/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/3010:20 pmIAD - BIO
1 stop19h 05mLufthansa
mar. 10/146:45 amBIO - IAD
1 stop15h 05mLufthansa
Deal found 6/11$489
This United Airlines deal was found by Cheapflights users on 6/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 9/286:40 pmIAD - BIO
2 stops22h 45mUnited Airlines
mié. 10/86:45 amBIO - IAD
1 stop15h 05mUnited Airlines
Deal found 6/10$494
This SWISS deal was found by Cheapflights users on 6/11. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/298:45 pmIAD - BIO
1 stop17h 30mSWISS
mar. 10/149:00 pmBIO - IAD
1 stop25h 15mSWISS
Deal found 6/11$496
This oojo deal was found by Cheapflights users on 6/12. 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.
mié. 10/1510:05 pmIAD - PMI
1 stop29h 00mScandinavian Airlines
lun. 10/209:55 amPMI - IAD
1 stop16h 04mScandinavian Airlines
Deal found 6/12$497
This Air Canada deal was found by Cheapflights users on 6/11. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/299:45 amIAD - BIO
2 stops24h 20mAir Canada
mié. 10/86:45 amBIO - IAD
2 stops20h 40mAir Canada
Deal found 6/11$504
This Trip.com deal was found by Cheapflights users on 6/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/115:30 pmIAD - PMI
2 stops21h 15mMultiple Airlines
mié. 11/1912:25 pmPMI - IAD
2 stops32h 50mMultiple Airlines
Deal found 6/11$524
This oojo deal was found by Cheapflights users on 6/12. 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.
jue. 10/1610:20 pmIAD - PMI
1 stop17h 30mTAP AIR PORTUGAL
mar. 10/2112:20 pmPMI - IAD
1 stop14h 30mTAP AIR PORTUGAL
Deal found 6/12$527
This KAYAK deal was found by Cheapflights users on 6/10. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 8/2310:05 pmIAD - BIO
1 stop29h 55mScandinavian Airlines
vie. 9/58:40 pmBIO - IAD
1 stop29h 19mScandinavian Airlines
Deal found 6/10$533
This Mytrip deal was found by Cheapflights users on 6/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 10/59:45 amIAD - BIO
2 stops24h 20mMultiple Airlines
sáb. 10/117:15 pmBIO - IAD
1 stop26h 35mMultiple Airlines
Deal found 6/11$537
This Iberia deal was found by Cheapflights users on 6/9. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/24:35 pmIAD - AGP
1 stop14h 10mIberia
vie. 10/179:10 amAGP - IAD
1 stop11h 50mIberia
Deal found 6/9$541

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 junio 12, 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.Bilbao

IAD - BIO

IADBIO

Washington, D.C. Dulles Intl

dom. 9/28

5:45 pm-11:40 am

1 stop11h 55m

Bilbao

mié. 10/8

12:25 pm-8:50 pm

1 stop14h 25m

$479

Washington, D.C.Bilbao

IAD - BIO

IADBIO

Washington, D.C. Dulles Intl

mié. 10/1

4:35 pm-8:30 am

1 stop9h 55m

Bilbao

mié. 10/15

9:15 am-3:00 pm

1 stop11h 45m

$485

Washington, D.C.Bilbao

IAD - BIO

IADBIO

Washington, D.C. Dulles Intl

mar. 9/30

10:20 pm-11:25 pm

1 stop19h 05m

Bilbao

mar. 10/14

6:45 am-3:50 pm

1 stop15h 05m

$489

Washington, D.C.Bilbao

IAD - BIO

IADBIO

Washington, D.C. Dulles Intl

dom. 9/28

6:40 pm-11:25 pm

2 stops22h 45m

Bilbao

mié. 10/8

6:45 am-3:50 pm

1 stop15h 05m

$494

Washington, D.C.Bilbao

IAD - BIO

IADBIO

Washington, D.C. Dulles Intl

lun. 9/29

8:45 pm-8:15 pm

1 stop17h 30m

Bilbao

mar. 10/14

9:00 pm-4:15 pm

1 stop25h 15m

$496

Washington, D.C.Bilbao

IAD - BIO

IADBIO

Washington, D.C. Dulles Intl

lun. 9/29

9:45 am-4:05 pm

2 stops24h 20m

Bilbao

mié. 10/8

6:45 am-9:25 pm

2 stops20h 40m

$504

Washington, D.C.Palma de Mallorca

IAD - PMI

IADPMI

Washington, D.C. Dulles Intl

mié. 9/10

5:50 pm-10:55 am

1 stop11h 05m

Palma de Mallorca Son Sant Joan

mié. 9/17

12:30 pm-8:50 pm

1 stop14h 20m

$529

Washington, D.C.Bilbao

IAD - BIO

IADBIO

Washington, D.C. Dulles Intl

sáb. 8/23

10:05 pm-10:00 am

1 stop29h 55m

Bilbao

vie. 9/5

8:40 pm-7:59 pm

1 stop29h 19m

$533

Washington, D.C.Bilbao

IAD - BIO

IADBIO

Washington, D.C. Dulles Intl

dom. 10/5

9:45 am-4:05 pm

2 stops24h 20m

Bilbao

sáb. 10/11

7:15 pm-3:50 pm

1 stop26h 35m

$537

Washington, D.C.Málaga

IAD - AGP

IADAGP

Washington, D.C. Dulles Intl

jue. 10/2

4:35 pm-12:45 pm

1 stop14h 10m

Malaga

vie. 10/17

9:10 am-3:00 pm

1 stop11h 50m

$541

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

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 $1,057). 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 junio 12, 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 junio 12, 2025.

The most flights from IAD to ES0 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 (5 on average).

Rainfall in Spain by month

Plan your trip to Spain by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Spain ranges from 0.8 - 3.6 inches per month. October is typically the wettest month, when rainfall can reach 3.6 in. July is typically the driest time to visit Spain when rainfall is around 0.8 in.

Temperature in Spain by month

Plan your trip to Spain by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Spain, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

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 junio 12, 2025.
To help decide which airline to fly from Washington, D.C. to Spain, see what other customers have to say about Delta, KLM and Austrian Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

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

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

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

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

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

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

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

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

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

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

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 TAP AIR PORTUGAL, with whom users have recently found tickets for as low as $271. However, be on the lookout for offers from WestJet and United 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?

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

    Consider American Airlines (81%), Qatar Airways (81%) or Finnair (81%) 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 $398. On average you can expect to pay $1,862. The most popular route, (Washington, D.C. Dulles Intl - Madrid Barajas), can usually be booked for $368.

  • 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 $1,057). 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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest$308Average$369FlexibilityNo cancel feeOn-timeN/A
SWISSCheapest$322Average$863FlexibilityNo cancel feeOn-time79%
TAP AIR PORTUGALCheapest$377Average$774FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$384Average$594FlexibilityNo cancel feeOn-time76%
IberiaCheapest$431Average$820FlexibilityNo cancel feeOn-time77%
Scandinavian AirlinesCheapest$437Average$650FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$464Average$943FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$467Average$732FlexibilityNo cancel feeOn-time70%
DeltaCheapest$468Average$728FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$469Average$791FlexibilityNo cancel feeOn-time77%

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