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Dulles Intl

$557+ Cheap flights from Santander (SDR) to Dulles Intl (IAD)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/13. Fares are subject to change and may not be available on all flights or dates of travel.
SDR — IAD
nov. 29 — dic. 61
sáb. 11/29
sáb. 12/6
1 adult, Economy
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Find flight deals from Santander to Dulles Intl

Cheapest flights from Santander to Dulles Intl
Explore the most affordable flight options available from Santander to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on octubre 30, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 10/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/246:30 amSDR - IAD
2 stops15h 05mMultiple Airlines
lun. 1/59:45 pmIAD - SDR
2 stops13h 25mMultiple Airlines
Deal found 10/29$1,385
This Cheapflightsfares deal was found by Cheapflights users on 10/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/236:30 amSDR - IAD
2 stops15h 05mMultiple Airlines
lun. 1/59:45 pmIAD - SDR
2 stops13h 25mMultiple Airlines
Deal found 10/29$1,647
This Iberia deal was found by Cheapflights users on 10/29. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/299:35 pmSDR - IAD
2 stops24h 00mIberia
mié. 12/35:05 pmIAD - SDR
2 stops18h 05mIberia
Deal found 10/29$1,713
This Cheapflightsfares deal was found by Cheapflights users on 10/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/226:30 amSDR - IAD
2 stops15h 05mMultiple Airlines
lun. 1/59:45 pmIAD - SDR
2 stops13h 25mMultiple Airlines
Deal found 10/29$1,924

Cheap flight deals from Santander to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Santander (SDR) to Dulles Intl (IAD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated octubre 30, 2025.

Most accurate provider

Expedia
2 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$557
(Iberia)
Provider with most accurate pricing for Santander-Washington, D.C. (WAS) flight deals.
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Provider most trusted by Cheapflights users for Santander-Washington, D.C. (WAS) flights.
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From Santander to Washington, D.C. Dulles Intl
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Santander to Dulles Intl 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 octubre 30, 2025.
Use the filters below to find and compare flights from Santander to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Santander

Fly to

Dulles Intl

Route

Depart

Return

Price

SantanderWashington, D.C.

SDR - IAD

SDRIAD

Santander

lun. 4/13

6:30 am-3:30 pm

1 stop15h 00m

Washington, D.C. Dulles Intl

mar. 4/21

5:00 pm-9:50 pm

1 stop22h 50m

$557

SantanderWashington, D.C.

SDR - IAD

SDRIAD

Santander

jue. 2/19

9:00 am-4:30 pm

1 stop13h 30m

Washington, D.C. Dulles Intl

lun. 2/23

9:45 pm-8:20 am

2 stops52h 35m

$579

SantanderWashington, D.C.

SDR - IAD

SDRIAD

Santander

mié. 12/24

6:30 am-3:35 pm

2 stops15h 05m

Washington, D.C. Dulles Intl

lun. 1/5

9:45 pm-5:10 pm

2 stops13h 25m

$1,385

SantanderWashington, D.C.

SDR - IAD

SDRIAD

Santander

mar. 12/23

6:30 am-3:35 pm

2 stops15h 05m

Washington, D.C. Dulles Intl

lun. 1/5

9:45 pm-5:10 pm

2 stops13h 25m

$1,647

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Best time to book a flight from Santander to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Santander 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 Santander to Washington, D.C. Dulles Intl Airport

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

Currently, October is the cheapest month in which you can book a flight from Santander to Washington, D.C. Dulles Intl Airport (average of $376). Flying from Santander to Washington, D.C. Dulles Intl Airport in January is currently the most expensive (average of $931). 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.

Related info for your journey

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

  • What airport do you fly from for flights from Santander to Washington, D.C. Dulles Intl?

    Santander (SDR), located 2.5 mi from the city center, is the airport you fly out of when you book flights from Santander to Washington, D.C. Dulles Intl. 0 airlines have flights from Santander to Washington, D.C. Dulles Intl on a regular basis. Booking flights from Santander to Washington, D.C. Dulles Intl should not be difficult; the airport handles an average of 0 outbound flights to Washington, D.C. Dulles Intl per day.

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

    A quick flight from Santander to Washington, D.C. Dulles Intl Airport can take about 15h. Iberia provides one of the quickest options available for as low as $557. There are 3711 mi between Santander and Washington, D.C. Dulles Intl Airport.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Santander to Dulles Intl 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 Santander to Washington, D.C. Dulles Intl Airport?

    Currently, October is the cheapest month in which you can book a flight from Santander to Washington, D.C. Dulles Intl Airport (average of $376). Flying from Santander to Washington, D.C. Dulles Intl Airport in January is currently the most expensive (average of $931). 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

Traveling to a place near Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Alexandria
Woodbridge
Tysons
Arlington
Springfield
Hanover
Silver Spring
Fairfax
Fredericksburg
Falls Church
Owings Mills
Linthicum Heights
Manassas
Largo
Oxon Hill
Laurel
Towson
National Harbor
Waldorf
Bowie

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