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Santander

$600+ Cheap flights from Dulles Intl (IAD) to Santander (SDR)

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 4/15. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SDR
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from Dulles Intl to Santander

Cheapest flights from Dulles Intl to Santander
Explore the most affordable flight options available from Dulles Intl to Santander. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

This Rumbo deal was found by Cheapflights users on 12/11. 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/266:20 pmIAD - SDR
2 stops16h 50mIberia
Wed 1/75:40 pmSDR - IAD
2 stops27h 55mIberia
Deal found 12/11$3,359

Find flight deals from Dulles Intl to Santander

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Santander (SDR). 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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$803
(Iberia)

One-way from

$600
(Cheapflightsfares)
Provider with most accurate pricing for Washington, D.C. (WAS)-Santander flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Santander flights.
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From Washington, D.C. Dulles Intl to Santander
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One-way flight from Washington, D.C. Dulles Intl to Santander
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to Santander 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 December 12, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Santander that are best for you.

Fly from

Dulles Intl

Fly to

Santander

Route

Depart

Return

Price

Washington, D.C.Santander

IAD - SDR

IADSDR

Washington, D.C. Dulles Intl

Wed 1/28

6:20 pm-8:20 am

2 stops32h 00m

Santander

Sun 2/1

9:25 am-4:30 pm

1 stop13h 05m

$803

Washington, D.C.Santander

IAD - SDR

IADSDR

Washington, D.C. Dulles Intl

Fri 12/26

6:20 pm-5:10 pm

2 stops16h 50m

Santander

Wed 1/7

5:40 pm-3:35 pm

2 stops27h 55m

$3,359

Washington, D.C.Santander

IAD - SDR

IADSDR

Washington, D.C. Dulles Intl

Sun 3/22

10:45 pm-5:10 pm

2 stops13h 25m

Santander

Mon 3/30

10:05 am-3:30 pm

1 stop11h 25m

$4,983

Washington, D.C.Santander

IAD - SDR

IADSDR

Washington, D.C. Dulles Intl

Sun 3/22

10:45 pm-5:10 pm

2 stops13h 25m

Santander

Mon 3/30

6:30 am-3:50 pm

2 stops15h 20m

$8,269

Washington, D.C.Santander

IAD - SDR

IADSDR

Washington, D.C. Dulles Intl

Wed 4/15

5:00 pm-9:30 am

1 stop10h 30m

$600

Washington, D.C.Santander

IAD - SDR

IADSDR

Washington, D.C. Dulles Intl

Sat 1/31

6:20 pm-9:00 pm

2 stops20h 40m

$779

Washington, D.C.Santander

IAD - SDR

IADSDR

Washington, D.C. Dulles Intl

Fri 1/30

9:45 pm-9:00 pm

2 stops17h 15m

$843

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Best time to book a flight from Dulles Intl to Santander

Have a flexible travel schedule? Discover the best time to fly to Santander 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.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Santander. 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 into for flights to Santander from Washington, D.C. Dulles Intl?

    For a flight from Washington, D.C. Dulles Intl to Santander, you will be flying into Santander. Santander (SDR) is just 2.5 mi from the center of the city. Santander is the only Santander airport and it handles 0 inbound flights from Washington, D.C. Dulles Intl per day. 0 airlines have flights to Santander from Washington, D.C. Dulles Intl on a regular basis.

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

    Departing from Washington, D.C. Dulles Intl Airport to Santander will take you 32h. There are 3711 mi between Washington, D.C. Dulles Intl Airport and Santander.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Dulles Intl to Santander by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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