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Cheap flights from Washington, D.C. to Santander from $715

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Santander departing on 5/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Washington, D.C. to Santander

Cheap round-trip flights

Enter your travel dates to find the best prices.
Iberia Logo
6:00 pm - 5:10 pm
IAD
-
SDR
17h 10m
1 stop
Iberia Logo
9:25 am - 4:30 pm
SDR
-
IAD
13h 05m
1 stop
$874Iberia
Sun, Feb 15 - Sun, Mar 1
Multiple Airlines Logo
5:00 pm - 9:30 am
IAD
-
SDR
10h 30m
1 stop
Multiple Airlines Logo
10:05 am - 3:30 pm
SDR
-
IAD
11h 25m
1 stop
$934Multiple Airlines
Tue, Apr 28 - Wed, May 6
Multiple Airlines Logo
5:00 pm - 9:30 am
IAD
-
SDR
10h 30m
1 stop
Multiple Airlines Logo
10:05 am - 3:30 pm
SDR
-
IAD
11h 25m
1 stop
$937Multiple Airlines
Tue, Apr 28 - Wed, May 6
Iberia Logo
1:54 pm - 8:20 am
DCA
-
SDR
12h 26m
2 stops
Iberia Logo
9:00 am - 6:33 pm
SDR
-
DCA
15h 33m
2 stops
$938Iberia
Wed, Feb 18 - Wed, Feb 25
Multiple Airlines Logo
5:00 pm - 9:30 am
IAD
-
SDR
10h 30m
1 stop
Multiple Airlines Logo
10:05 am - 3:30 pm
SDR
-
IAD
11h 25m
1 stop
$938Multiple Airlines
Tue, Apr 28 - Tue, May 5
Multiple Airlines Logo
5:00 pm - 9:30 am
IAD
-
SDR
10h 30m
1 stop
Multiple Airlines Logo
10:05 am - 3:30 pm
SDR
-
IAD
11h 25m
1 stop
$939Multiple Airlines
Wed, Apr 29 - Wed, May 6
Multiple Airlines Logo
5:00 pm - 9:30 am
IAD
-
SDR
10h 30m
1 stop
Multiple Airlines Logo
10:05 am - 3:30 pm
SDR
-
IAD
11h 25m
1 stop
$946Multiple Airlines
Wed, Apr 15 - Wed, Apr 29
Multiple Airlines Logo
5:55 pm - 5:00 pm
IAD
-
SDR
17h 05m
2 stops
Multiple Airlines Logo
10:05 am - 3:30 pm
SDR
-
IAD
11h 25m
1 stop
$985Multiple Airlines
Wed, Apr 29 - Wed, May 6
Multiple Airlines Logo
5:55 pm - 5:00 pm
IAD
-
SDR
17h 05m
2 stops
Multiple Airlines Logo
10:05 am - 3:30 pm
SDR
-
IAD
11h 25m
1 stop
$987Multiple Airlines
Tue, Apr 28 - Wed, May 6
Iberia Logo
5:55 pm - 5:00 pm
IAD
-
SDR
17h 05m
2 stops
Iberia Logo
10:05 am - 3:30 pm
SDR
-
IAD
11h 25m
1 stop
$988Iberia
Tue, Apr 28 - Tue, May 5

Iberia flights from Washington, D.C. to Santander

Our best Iberia deals on Washington, D.C. to Santander flight tickets
Iberia
Feb 15
IAD6:00 pmWashington, D.C. Dulles Intl
17h 10m
1 stop
SDR5:10 pmSantander
Mar 1
SDR9:25 amSantander
13h 05m
1 stop
IAD4:30 pmWashington, D.C. Dulles Intl
$874
Iberia
Feb 18
DCA1:54 pmWashington, D.C. Reagan-National
12h 26m
2 stops
SDR8:20 amSantander
Feb 25
SDR9:00 amSantander
15h 33m
2 stops
DCA6:33 pmWashington, D.C. Reagan-National
$938
Iberia
Apr 28
IAD5:55 pmWashington, D.C. Dulles Intl
17h 05m
2 stops
SDR5:00 pmSantander
May 5
SDR10:05 amSantander
11h 25m
1 stop
IAD3:30 pmWashington, D.C. Dulles Intl
$988

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. 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, momondo users made 832,500 searches. Data last updated January 29, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Santander that are best for you.

Fly from

Fly to

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

$874

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

Wed 5/6

10:05 am-3:30 pm

1 stop11h 25m

$937

Washington, D.C.Santander

DCA - SDR

DCASDR

Washington, D.C. Reagan-National

Wed 2/18

1:54 pm-8:20 am

2 stops12h 26m

Santander

Wed 2/25

9:00 am-6:33 pm

2 stops15h 33m

$938

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

5:00 pm-9:30 am

1 stop10h 30m

Santander

Wed 5/6

10:05 am-3:30 pm

1 stop11h 25m

$939

Washington, D.C.Santander

IAD - SDR

IADSDR

Washington, D.C. Dulles Intl

Wed 4/15

5:00 pm-9:30 am

1 stop10h 30m

Santander

Wed 4/29

10:05 am-3:30 pm

1 stop11h 25m

$946

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

Tue 4/28

5:55 pm-5:00 pm

2 stops17h 05m

Santander

Wed 5/6

10:05 am-3:30 pm

1 stop11h 25m

$987

Washington, D.C.Santander

IAD - SDR

IADSDR

Washington, D.C. Dulles Intl

Tue 4/28

5:55 pm-5:00 pm

2 stops17h 05m

Santander

Tue 5/5

10:05 am-3:30 pm

1 stop11h 25m

$988

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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See travel insights to Santander from

How to get the cheapest flight ticket from Washington, D.C. to Santander

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Washington, D.C. to Santander?

Iberia is the most popular carrier operating from Washington, D.C. to Santander

What airlines fly to Santander?

United Airlines, Lufthansa and Iberia are the top three most popular airlines that fly to Santander from Washington, D.C. according to our data. United Airlines is the first choice among our users, with 38% of people opting to fly with this airline when traveling to Santander. Keep in mind that there are 5 different airlines that fly to Santander on a routine basis, so you have a few additional options to choose from.

When to book flights from Washington, D.C. to Santander

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. to Santander according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. to Santander (WAS to SDR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Santander

Fastest flight time

10h 30m

Direct flights

None
The fastest flight from Washington, D.C. to Santander takes 10h 30m
There are no direct flights from Washington, D.C. to Santander. There are no popular flight routes from Washington, D.C. to Santander.
Search flight deals

  • How far is Washington, D.C. to Santander by plane?

    The straight-line distance from Washington, D.C. to Santander is 3692.9 mi. 10h 30m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Washington, D.C. to Santander Airport?

    Prices for flights from Washington, D.C. to Santander Airport were last updated today.

  • How old do you have to be to fly from Washington, D.C. to Santander Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. to Santander Airport.

  • What documentation or ID do you need to fly to Santander Airport?

    The necessary travel and health documents for your Santander Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Washington, D.C. to Santander?

Traveling to a place near Santander?

Book flights to Santander if you plan to visit one of these locations
Llanes
Potes

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Santander?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Washington, D.C. to Santander. momondo saves you time and could save you money on your trip.

Can I find flights from Washington, D.C. to Santander with flexible booking policies on momondo?

All flight searches from Washington, D.C. to Santander on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Washington, D.C. to Santander?

Once you have performed a search for Washington, D.C. to Santander flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Washington, D.C. to Santander right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Washington, D.C. to Santander flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Fly your favorite airline to Santander

Airlines are sorted and displayed according to clicks in the past 7 days on momondo
United Airlines
Lufthansa
Iberia
TAP AIR PORTUGAL
KLM