$215+ 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 2/2. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Dulles Intl to Spain 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.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 diciembre 1, 2025.
Round-trip from | $410 (oojo) |
|---|---|
One-way from | $215 (Kiwi.com) |
Popular in | June |
Cheapest in | November |
Average price | $785 |
Good round-trip deal | $551 or less |
Good one-way deal | $399 or less |
Find flight deals from Dulles Intl to Spain
Cheapest flights from Dulles Intl to SpainExplore 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 diciembre 1, 2025.
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 diciembre 1, 2025.
This oojo deal was found by Cheapflights users on 11/29. 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.
This oojo deal was found by Cheapflights users on 11/29. 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.
This Kiwi.com deal was found by Cheapflights users on 11/28. 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.
This Kiwi.com deal was found by Cheapflights users on 11/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Kiwi.com deal was found by Cheapflights users on 11/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Kiwi.com deal was found by Cheapflights users on 11/29. 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.
This Flightnetwork deal was found by Cheapflights users on 11/29. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Mytrip deal was found by Cheapflights users on 11/29. 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.
This Flightnetwork deal was found by Cheapflights users on 11/30. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This United Airlines deal was found by Cheapflights users on 11/28. 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.
This Kiwi.com deal was found by Cheapflights users on 11/29. 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.
This Cheapflightsfares deal was found by Cheapflights users on 12/1. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Cheapflights Fare Finder
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
Fly to
Route
Depart
Return
Price
Washington, D.C.Valencia
IAD - VLC
IADVLC
Washington, D.C. Dulles Intl
sáb. 12/6
5:30 pm-11:30 pm
1 stop24h 00m
Valencia
dom. 12/14
12:00 pm-3:15 pm
1 stop33h 15m
Washington, D.C.Bilbao
IAD - BIO
IADBIO
Washington, D.C. Dulles Intl
mié. 1/14
5:40 pm-10:50 am
1 stop11h 10m
Bilbao
mié. 1/21
11:35 am-3:35 pm
1 stop34h 00m
Washington, D.C.Valencia
IAD - VLC
IADVLC
Washington, D.C. Dulles Intl
dom. 1/11
6:20 pm-3:50 pm
1 stop15h 30m
Valencia
lun. 1/26
4:55 pm-3:35 pm
1 stop28h 40m
Washington, D.C.Bilbao
IAD - BIO
IADBIO
Washington, D.C. Dulles Intl
mié. 1/14
10:15 pm-9:10 pm
2 stops16h 55m
Bilbao
mié. 1/21
11:35 am-3:35 pm
1 stop34h 00m
Washington, D.C.Bilbao
IAD - BIO
IADBIO
Washington, D.C. Dulles Intl
mié. 3/18
11:55 pm-6:05 pm
1 stop13h 10m
Bilbao
mié. 3/25
7:25 am-9:05 pm
1 stop18h 40m
Washington, D.C.Palma de Mallorca
IAD - PMI
IADPMI
Washington, D.C. Dulles Intl
jue. 4/23
7:59 pm-7:25 pm
2 stops41h 26m
Palma de Mallorca Son Sant Joan
lun. 4/27
9:55 am-4:50 pm
1 stop12h 55m
Washington, D.C.Valencia
IAD - VLC
IADVLC
Washington, D.C. Dulles Intl
dom. 3/1
6:20 pm-3:50 pm
1 stop15h 30m
Valencia
vie. 3/13
7:30 am-8:55 pm
2 stops18h 25m
Washington, D.C.Valencia
IAD - VLC
IADVLC
Washington, D.C. Dulles Intl
dom. 3/1
9:45 pm-3:50 pm
1 stop12h 05m
Valencia
vie. 3/13
9:05 pm-4:35 pm
1 stop24h 30m
Washington, D.C.Valencia
IAD - VLC
IADVLC
Washington, D.C. Dulles Intl
dom. 1/11
6:20 pm-3:50 pm
1 stop15h 30m
Valencia
jue. 4/30
9:15 pm-3:50 pm
1 stop24h 35m
Washington, D.C.Valencia
IAD - VLC
IADVLC
Washington, D.C. Dulles Intl
lun. 1/19
6:20 pm-4:10 pm
1 stop15h 50m
Valencia
vie. 5/29
9:40 am-3:30 pm
1 stop11h 50m
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.
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 $347). Flying from Washington, D.C. Dulles Intl Airport to Spain in June is currently the most expensive (average of $594). 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 diciembre 1, 2025.
One of the essential ways to save on airfare from Washington, D.C. Dulles Intl Airport to Spain is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 26% on airfare.
What is the cheapest day to fly from Washington, D.C. Dulles Intl Airport to Spain?
Use this chart to determine the cheapest time to fly round-trip from Dulles Intl to Spain. Price data was last updated on December 16, 2024.
Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Spain flight should consider departing on Monday evenings when fares are most often at their lowest. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
How often are flights from Washington, D.C. to Spain delayed?
About 22% of weekly flights between Washington, D.C. and Spain have experienced delays in the past year, with the average delay time being 175 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 Thursday 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 14% 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 diciembre 1, 2025.
Read through reviews of airlines operating flights from Washington, D.C. Dulles Intl Airport to Spain, such as United Airlines, American Airlines, and TAP AIR PORTUGAL. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Overall
Food
Crew
Boarding
Comfort
Entertainment
Reviews
Sebrena,Oct 2025
IAH - RSW
Overall
Food
Crew
Boarding
Comfort
Entertainment
Reviews
Sebrena,Oct 2025
IAH - RSW
Overall
Food
Crew
Boarding
Comfort
Entertainment
Reviews
Sebrena,Oct 2025
IAH - RSW
Overall
Food
Crew
Boarding
Comfort
Entertainment
Reviews
Sebrena,Oct 2025
IAH - RSW
Overall
Food
Crew
Boarding
Comfort
Entertainment
Reviews
Sebrena,Oct 2025
IAH - RSW
Overall
Food
Crew
Boarding
Comfort
Entertainment
Reviews
Sebrena,Oct 2025
IAH - RSW
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.
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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 diciembre 1, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$198 | Average$733 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$320 | Average$679 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$322 | Average$831 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$353 | Average$510 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$385 | Average$540 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$390 | Average$750 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$409 | Average$575 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$409 | Average$728 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$425 | Average$740 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$448 | Average$568 | FlexibilityNo cancel fee | On-time76% |