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Dulles Intl

$726+ 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
févr. 28 — mars 71
sam. 2/28
sam. 3/7
1 adult, Economy
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Cheap 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 janvier 29, 2026.

This Iberia deal was found by Cheapflights users on 1/28. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 4/136:30 am
SDR
-
IAD
1 stop15h 00m
Iberia
mar. 4/215:00 pm
IAD
-
SDR
1 stop18h 00m
Iberia
Deal found 1/28$726
This American Airlines deal was found by Cheapflights users on 1/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 4/136:30 am
SDR
-
IAD
1 stop15h 00m
Multiple Airlines
mar. 4/2110:32 am
IAD
-
SDR
2 stops16h 58m
Multiple Airlines
Deal found 1/28$755
This Iberia deal was found by Cheapflights users on 1/28. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 5/99:20 am
SDR
-
IAD
1 stop12h 10m
Iberia
lun. 5/185:00 pm
IAD
-
SDR
1 stop18h 00m
Iberia
Deal found 1/28$826
This Iberia deal was found by Cheapflights users on 1/28. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 3/305:40 pm
SDR
-
IAD
1 stop27h 50m
Iberia
ven. 4/105:00 pm
IAD
-
SDR
1 stop18h 00m
Iberia
Deal found 1/28$873
This Iberia deal was found by Cheapflights users on 1/28. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 3/306:40 pm
SDR
-
IAD
2 stops30h 55m
Iberia
dim. 4/1210:25 pm
IAD
-
SDR
2 stops29h 05m
Iberia
Deal found 1/28$890
This Iberia deal was found by Cheapflights users on 1/28. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 2/189:00 am
SDR
-
IAD
2 stops36h 35m
Iberia
dim. 2/227:08 pm
IAD
-
SDR
2 stops43h 52m
Iberia
Deal found 1/28$893
This Iberia deal was found by Cheapflights users on 1/28. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/314:15 pm
SDR
-
IAD
2 stops32h 55m
Iberia
dim. 4/1210:25 pm
IAD
-
SDR
2 stops29h 05m
Iberia
Deal found 1/28$920
This Iberia deal was found by Cheapflights users on 1/28. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/314:15 pm
SDR
-
IAD
2 stops32h 55m
Iberia
ven. 4/105:00 pm
IAD
-
SDR
1 stop18h 00m
Iberia
Deal found 1/28$931

Find 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 janvier 29, 2026.

Most accurate provider

Expedia
1 star

Most trusted provider

Expedia
3 stars

Round-trip from

$726
(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 janvier 29, 2026.
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-5:00 pm

1 stop18h 00m

$726

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

10:32 am-9:30 am

2 stops16h 58m

$755

SantanderWashington, D.C.

SDR - IAD

SDRIAD

Santander

lun. 3/30

5:40 pm-3:30 pm

1 stop27h 50m

Washington, D.C. Dulles Intl

ven. 4/10

5:00 pm-5:00 pm

1 stop18h 00m

$873

SantanderWashington, D.C.

SDR - IAD

SDRIAD

Santander

lun. 3/30

6:40 pm-7:35 pm

2 stops30h 55m

Washington, D.C. Dulles Intl

dim. 4/12

10:25 pm-9:30 am

2 stops29h 05m

$890

SantanderWashington, D.C.

SDR - IAD

SDRIAD

Santander

mer. 2/18

9:00 am-3:35 pm

2 stops36h 35m

Washington, D.C. Dulles Intl

dim. 2/22

7:08 pm-9:00 pm

2 stops43h 52m

$893

SantanderWashington, D.C.

SDR - IAD

SDRIAD

Santander

mar. 3/31

4:15 pm-7:10 pm

2 stops32h 55m

Washington, D.C. Dulles Intl

dim. 4/12

10:25 pm-9:30 am

2 stops29h 05m

$920

SantanderWashington, D.C.

SDR - IAD

SDRIAD

Santander

mar. 3/31

4:15 pm-7:10 pm

2 stops32h 55m

Washington, D.C. Dulles Intl

ven. 4/10

5:00 pm-5:00 pm

1 stop18h 00m

$931

SantanderWashington, D.C.

SDR - IAD

SDRIAD

Santander

dim. 7/19

9:20 am-3:30 pm

1 stop12h 10m

$775

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

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 July is currently the most expensive (average of $661). 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 $726. 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 July is currently the most expensive (average of $661). 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
Owings Mills
Springfield
Silver Spring
Herndon
Fredericksburg
Hanover
Linthicum Heights
Rockville
Laurel
Towson
Manassas
Largo
Bowie
McLean
Clinton
Upper Marlboro

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