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Santander

$715+ 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 5/11. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SDR
Feb 27 — Mar 61
Fri 2/27
Fri 3/6
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 January 28, 2026.

This Cheapflightsfares deal was found by Cheapflights users on 1/27. 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.
Mon 9/215:00 pm
IAD
-
SDR
1 stop10h 30m
Iberia
Wed 9/3010:05 am
SDR
-
IAD
1 stop11h 25m
Iberia
Deal found 1/27$819
This Rumbo deal was found by Cheapflights users on 1/26. 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/156:00 pm
IAD
-
SDR
1 stop17h 10m
Iberia
Sun 3/19:25 am
SDR
-
IAD
1 stop13h 05m
Iberia
Deal found 1/26$873
This Cheapflightsfares deal was found by Cheapflights users on 1/27. 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.
Tue 4/285:00 pm
IAD
-
SDR
1 stop10h 30m
Multiple Airlines
Wed 5/610:05 am
SDR
-
IAD
1 stop11h 25m
Multiple Airlines
Deal found 1/27$934
This Cheapflightsfares deal was found by Cheapflights users on 1/27. 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.
Tue 4/285:00 pm
IAD
-
SDR
1 stop10h 30m
Multiple Airlines
Tue 5/510:05 am
SDR
-
IAD
1 stop11h 25m
Multiple Airlines
Deal found 1/27$938
This Cheapflightsfares deal was found by Cheapflights users on 1/27. 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 4/295:00 pm
IAD
-
SDR
1 stop10h 30m
Multiple Airlines
Wed 5/610:05 am
SDR
-
IAD
1 stop11h 25m
Multiple Airlines
Deal found 1/27$939
This Cheapflightsfares deal was found by Cheapflights users on 1/27. 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 4/155:00 pm
IAD
-
SDR
1 stop10h 30m
Multiple Airlines
Wed 4/2910:05 am
SDR
-
IAD
1 stop11h 25m
Multiple Airlines
Deal found 1/27$946
This Iberia deal was found by Cheapflights users on 1/26. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/119:45 pm
IAD
-
SDR
2 stops41h 15m
Iberia
Sun 11/159:25 am
SDR
-
IAD
1 stop13h 05m
Iberia
Deal found 1/26$954
This Cheapflightsfares deal was found by Cheapflights users on 1/27. 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.
Tue 4/285:55 pm
IAD
-
SDR
2 stops17h 05m
Iberia
Tue 5/510:05 am
SDR
-
IAD
1 stop11h 25m
Iberia
Deal found 1/27$988

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 January 28, 2026.

Most accurate provider

Ovago
2 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$873
(Rumbo)

One-way from

$715
(Cheapflightsfares)
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Santander flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-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 January 28, 2026.
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

Sun 2/15

6:00 pm-5:10 pm

1 stop17h 10m

Santander

Sun 3/1

9:25 am-4:30 pm

1 stop13h 05m

$873

Washington, D.C.Santander

IAD - SDR

IADSDR

Washington, D.C. Dulles Intl

Tue 4/28

5:00 pm-9:30 am

1 stop10h 30m

Santander

Wed 5/6

10:05 am-3:30 pm

1 stop11h 25m

$934

Washington, D.C.Santander

IAD - SDR

IADSDR

Washington, D.C. Dulles Intl

Tue 4/28

5:00 pm-9:30 am

1 stop10h 30m

Santander

Tue 5/5

10:05 am-3:30 pm

1 stop11h 25m

$938

Washington, D.C.Santander

IAD - SDR

IADSDR

Washington, D.C. Dulles Intl

Wed 4/29

5:55 pm-5:00 pm

2 stops17h 05m

Santander

Wed 5/6

10:05 am-3:30 pm

1 stop11h 25m

$985

Washington, D.C.Santander

IAD - SDR

IADSDR

Washington, D.C. Dulles Intl

Sun 5/10

5:00 pm-9:30 am

1 stop10h 30m

Santander

Sun 5/17

9:20 am-3:30 pm

1 stop12h 10m

$1,000

Washington, D.C.Santander

IAD - SDR

IADSDR

Washington, D.C. Dulles Intl

Sat 5/2

5:55 pm-5:00 pm

2 stops17h 05m

Santander

Sat 5/9

9:20 am-3:30 pm

1 stop12h 10m

$1,101

Washington, D.C.Santander

IAD - SDR

IADSDR

Washington, D.C. Dulles Intl

Wed 5/6

5:00 pm-9:30 am

1 stop10h 30m

Santander

Wed 5/13

10:05 am-3:30 pm

1 stop11h 25m

$1,156

Washington, D.C.Santander

IAD - SDR

IADSDR

Washington, D.C. Dulles Intl

Tue 5/12

5:00 pm-9:30 am

1 stop10h 30m

Santander

Tue 5/19

10:05 am-3:30 pm

1 stop11h 25m

$1,257

Washington, D.C.Santander

IAD - SDR

IADSDR

Washington, D.C. Dulles Intl

Mon 5/11

5:00 pm-9:30 am

1 stop10h 30m

$715

Washington, D.C.Santander

IAD - SDR

IADSDR

Washington, D.C. Dulles Intl

Mon 3/2

9:45 pm-5:10 pm

2 stops13h 25m

$854

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 12 results
1
2
  • Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Santander flights, users find the pricing of Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on Washington, D.C. Dulles Intl Airport-Santander flight deals on Cheapflights vs. Ovago 90-95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Santander flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Santander flights, Cheapflights users trust Ovago the most. Ovago has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Dulles Intl Airport-Santander flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Santander

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

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Santander (average of $337). Flying from Washington, D.C. Dulles Intl Airport to Santander in July is currently the most expensive (average of $649). 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 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 17h 10m. 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.

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

    Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Santander (average of $337). Flying from Washington, D.C. Dulles Intl Airport to Santander in July is currently the most expensive (average of $649). 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

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