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Dulles Intl

$609+ 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 2/19. Fares are subject to change and may not be available on all flights or dates of travel.
SDR — IAD
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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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 September 15, 2025.

Round-trip from

$609
(Iberia)
From Santander to Washington, D.C. Dulles Intl
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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 September 15, 2025.

This Iberia deal was found by Cheapflights users on 9/14. 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.
Tue 9/305:15 pmSDR - IAD
2 stops28h 35mIberia
Mon 10/204:35 pmIAD - SDR
1 stop10h 55mIberia
Deal found 9/14$814
This Ovago deal was found by Cheapflights users on 9/13. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/306:30 amSDR - IAD
1 stop14h 30mMultiple Airlines
Mon 10/204:35 pmIAD - SDR
1 stop18h 30mMultiple Airlines
Deal found 9/13$1,895

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 September 15, 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

Thu 2/19

5:40 pm-3:35 pm

2 stops27h 55m

Washington, D.C. Dulles Intl

Mon 2/23

9:45 pm-8:20 am

2 stops28h 35m

$609

SantanderWashington, D.C.

SDR - IAD

SDRIAD

Santander

Tue 9/30

5:15 pm-3:50 pm

2 stops28h 35m

Washington, D.C. Dulles Intl

Mon 10/20

4:35 pm-5:05 pm

1 stop18h 30m

$814

SantanderWashington, D.C.

SDR - IAD

SDRIAD

Santander

Tue 9/30

6:30 am-3:00 pm

1 stop14h 30m

Washington, D.C. Dulles Intl

Mon 10/20

4:35 pm-5:05 pm

1 stop18h 30m

$1,895

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

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, August is the cheapest month in which you can book a flight from Santander to Washington, D.C. Dulles Intl Airport (average of $292). Flying from Santander to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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 27h 55m. Iberia provides one of the quickest options available for as low as $609. 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, August is the cheapest month in which you can book a flight from Santander to Washington, D.C. Dulles Intl Airport (average of $292). Flying from Santander to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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
Woodbridge
Arlington
Alexandria
Tysons
Silver Spring
Springfield
Gaithersburg
Fredericksburg
Linthicum Heights
Fairfax
Falls Church
Owings Mills
Manassas
Rockville
Hanover
Oxon Hill
Laurel
Towson
National Harbor
Dundalk

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