Santander

$653+ Cheap flights from Dulles Intl (IAD) to Santander (SDR)

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 1/6. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SDR
Nov 27 — Dec 41
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Find 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 October 28, 2025.

This Trip.com deal was found by Cheapflights users on 10/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/125:05 pmIAD - SDR
2 stops21h 55mMultiple Airlines
Fri 12/196:30 amSDR - IAD
2 stops19h 00mMultiple Airlines
Deal found 10/28$960
This Cheapflightsfares deal was found by Cheapflights users on 10/26. 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.
Mon 11/249:45 pmIAD - SDR
2 stops13h 25mMultiple Airlines
Tue 12/26:30 amSDR - IAD
2 stops15h 05mMultiple Airlines
Deal found 10/26$1,757
This Cheapflightsfares deal was found by Cheapflights users on 10/26. 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.
Fri 11/289:45 pmIAD - SDR
2 stops13h 25mMultiple Airlines
Tue 12/26:30 amSDR - IAD
2 stops15h 05mMultiple Airlines
Deal found 10/26$1,821
This Cheapflightsfares deal was found by Cheapflights users on 10/27. 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.
Wed 11/269:45 pmIAD - SDR
2 stops13h 25mMultiple Airlines
Wed 12/36:30 amSDR - IAD
2 stops15h 05mMultiple Airlines
Deal found 10/27$2,296
This Cheapflightsfares deal was found by Cheapflights users on 10/26. 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.
Sun 11/309:45 pmIAD - SDR
2 stops13h 25mMultiple Airlines
Fri 12/56:30 amSDR - IAD
2 stops15h 05mMultiple Airlines
Deal found 10/26$2,543
This Cheapflightsfares deal was found by Cheapflights users on 10/26. 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.
Mon 11/249:45 pmIAD - SDR
2 stops13h 25mIberia
Mon 12/16:30 amSDR - IAD
2 stops15h 05mIberia
Deal found 10/26$2,668
This Cheapflightsfares deal was found by Cheapflights users on 10/26. 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.
Thu 11/279:45 pmIAD - SDR
2 stops13h 25mMultiple Airlines
Tue 12/26:30 amSDR - IAD
2 stops15h 05mMultiple Airlines
Deal found 10/26$2,833
This Cheapflightsfares deal was found by Cheapflights users on 10/26. 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.
Mon 11/39:45 pmIAD - SDR
2 stops13h 25mMultiple Airlines
Fri 11/76:30 amSDR - IAD
2 stops15h 05mMultiple Airlines
Deal found 10/26$2,970

Cheap 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 October 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$579
(Orbitz)
Provider with most accurate pricing for Washington, D.C. (WAS)-Santander flight deals.
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Santander flights.
From Washington, D.C. Dulles Intl to Santander

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 October 28, 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

Tue 1/6

6:00 pm-8:20 am

1 stop32h 20m

Santander

Thu 5/28

5:40 pm-3:30 pm

1 stop27h 50m

$653

Washington, D.C.Santander

IAD - SDR

IADSDR

Washington, D.C. Dulles Intl

Tue 1/6

6:20 pm-8:20 am

2 stops32h 00m

Santander

Wed 5/27

6:30 am-3:30 pm

1 stop15h 00m

$783

Washington, D.C.Santander

IAD - SDR

IADSDR

Washington, D.C. Dulles Intl

Mon 1/5

6:20 pm-8:20 am

2 stops32h 00m

Santander

Tue 5/26

10:05 am-3:30 pm

1 stop11h 25m

$783

Washington, D.C.Santander

IAD - SDR

IADSDR

Washington, D.C. Dulles Intl

Tue 1/6

6:20 pm-8:20 am

2 stops32h 00m

Santander

Tue 5/26

10:05 am-3:30 pm

1 stop11h 25m

$783

Washington, D.C.Santander

IAD - SDR

IADSDR

Washington, D.C. Dulles Intl

Tue 1/6

6:20 pm-8:20 am

2 stops32h 00m

Santander

Sun 5/24

5:40 pm-3:30 pm

1 stop27h 50m

$854

Washington, D.C.Santander

IAD - SDR

IADSDR

Washington, D.C. Dulles Intl

Tue 1/6

9:45 pm-5:10 pm

2 stops13h 25m

Santander

Wed 5/27

10:05 am-3:30 pm

1 stop11h 25m

$869

Washington, D.C.Santander

IAD - SDR

IADSDR

Washington, D.C. Dulles Intl

Tue 1/6

6:00 pm-8:20 am

1 stop32h 20m

Santander

Fri 5/29

6:30 am-6:55 pm

2 stops18h 25m

$884

Washington, D.C.Santander

IAD - SDR

IADSDR

Washington, D.C. Dulles Intl

Wed 1/7

10:30 pm-8:20 am

2 stops27h 50m

Santander

Wed 5/27

6:30 am-3:30 pm

1 stop15h 00m

$930

Washington, D.C.Santander

IAD - SDR

IADSDR

Washington, D.C. Dulles Intl

Fri 12/12

5:05 pm-9:00 pm

2 stops21h 55m

Santander

Fri 12/19

6:30 am-7:30 pm

2 stops19h 00m

$960

Washington, D.C.Santander

IAD - SDR

IADSDR

Washington, D.C. Dulles Intl

Tue 1/6

6:00 pm-5:10 pm

1 stop17h 10m

Santander

Sat 5/30

9:20 am-3:30 pm

1 stop12h 10m

$972

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 13 results
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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 20m. 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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