Cheap flights from Washington, D.C. Reagan-National Airport to Santander from $540

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. Reagan-National Airport to Santander departing on 2/4. 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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Find the cheapest flights from Washington, D.C. Reagan-National Airport to Santander

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
1:44 pm - 8:50 amDCA-SDR
13h 06m2 stops
Multiple Airlines Logo
9:00 am - 10:07 pmSDR-DCA
19h 07m2 stops
$769Multiple Airlines
Find Deal
Fri, Nov 28 - Fri, Dec 5
Iberia Logo
5:54 pm - 9:00 pmDCA-SDR
21h 06m2 stops
Iberia Logo
9:35 pm - 10:47 pmSDR-DCA
31h 12m2 stops
$953Iberia
Find Deal
Fri, Dec 12 - Fri, Jan 9
Iberia Logo
1:44 pm - 8:50 amDCA-SDR
13h 06m2 stops
Iberia Logo
5:40 pm - 6:57 pmSDR-DCA
31h 17m2 stops
$1,031Iberia
Find Deal
Fri, Nov 28 - Tue, Dec 2
Iberia Logo
5:23 pm - 9:50 pmDCA-SDR
22h 27m2 stops
Iberia Logo
9:35 pm - 6:49 pmSDR-DCA
51h 14m2 stops
$1,112Iberia
Find Deal
Wed, Apr 1 - Sat, Apr 11
Iberia Logo
1:44 pm - 9:00 pmDCA-SDR
25h 16m2 stops
Iberia Logo
5:40 pm - 6:57 pmSDR-DCA
31h 17m2 stops
$1,231Iberia
Find Deal
Fri, Nov 28 - Tue, Dec 2
Iberia Logo
1:44 pm - 9:00 pmDCA-SDR
25h 16m2 stops
Iberia Logo
5:40 pm - 6:57 pmSDR-DCA
31h 17m2 stops
$1,294Iberia
Find Deal
Fri, Nov 28 - Tue, Dec 2
Iberia Logo
6:30 pm - 8:50 amDCA-SDR
32h 20m2 stops
Iberia Logo
9:35 pm - 6:40 pmSDR-DCA
27h 05m2 stops
$1,750Iberia
Find Deal
Fri, Dec 26 - Fri, Jan 2
Iberia Logo
5:04 pm - 4:55 pmDCA-SDR
17h 51m2 stops
Iberia Logo
5:40 pm - 6:40 pmSDR-DCA
31h 00m2 stops
$5,602Iberia
Find Deal
Thu, Dec 18 - Sat, Dec 27

Iberia flights from Washington, D.C. Reagan-National Airport to Santander

Our best Iberia deals on Washington, D.C. Reagan-National Airport to Santander flight tickets
Iberia
Dec 12
DCA5:54 pmWashington, D.C. Reagan-National
21h 06m
2 stops
SDR9:00 pmSantander
Jan 9
SDR9:35 pmSantander
31h 12m
2 stops
DCA10:47 pmWashington, D.C. Reagan-National
Iberia
Nov 28
DCA1:44 pmWashington, D.C. Reagan-National
13h 06m
2 stops
SDR8:50 amSantander
Dec 2
SDR5:40 pmSantander
31h 17m
2 stops
DCA6:57 pmWashington, D.C. Reagan-National
Iberia
Apr 1
DCA5:23 pmWashington, D.C. Reagan-National
22h 27m
2 stops
SDR9:50 pmSantander
Apr 11
SDR9:35 pmSantander
51h 14m
2 stops
DCA6:49 pmWashington, D.C. Reagan-National

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Reagan-National Airport 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 October 14, 2025.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Santander that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Santander

DCA - SDR

DCASDR

Washington, D.C. Reagan-National

Fri 11/28

1:44 pm-8:50 am

2 stops13h 06m

Santander

Fri 12/5

9:00 am-10:07 pm

2 stops19h 07m

$769

Washington, D.C.Santander

DCA - SDR

DCASDR

Washington, D.C. Reagan-National

Fri 12/12

5:54 pm-9:00 pm

2 stops21h 06m

Santander

Fri 1/9

9:35 pm-10:47 pm

2 stops31h 12m

$953

Washington, D.C.Santander

DCA - SDR

DCASDR

Washington, D.C. Reagan-National

Fri 11/28

1:44 pm-8:50 am

2 stops13h 06m

Santander

Tue 12/2

5:40 pm-6:57 pm

2 stops31h 17m

$1,031

Washington, D.C.Santander

DCA - SDR

DCASDR

Washington, D.C. Reagan-National

Wed 4/1

5:23 pm-9:50 pm

2 stops22h 27m

Santander

Sat 4/11

9:35 pm-6:49 pm

2 stops51h 14m

$1,112

Washington, D.C.Santander

DCA - SDR

DCASDR

Washington, D.C. Reagan-National

Fri 11/28

1:44 pm-9:00 pm

2 stops25h 16m

Santander

Tue 12/2

5:40 pm-6:57 pm

2 stops31h 17m

$1,231

Washington, D.C.Santander

DCA - SDR

DCASDR

Washington, D.C. Reagan-National

Fri 11/28

1:44 pm-9:00 pm

2 stops25h 16m

Santander

Tue 12/2

5:40 pm-6:57 pm

2 stops31h 17m

$1,294

Washington, D.C.Santander

DCA - SDR

DCASDR

Washington, D.C. Reagan-National

Fri 12/26

6:30 pm-8:50 am

2 stops32h 20m

Santander

Fri 1/2

9:35 pm-6:40 pm

2 stops27h 05m

$1,750

Washington, D.C.Santander

DCA - SDR

DCASDR

Washington, D.C. Reagan-National

Thu 12/18

5:04 pm-4:55 pm

2 stops17h 51m

Santander

Sat 12/27

5:40 pm-6:40 pm

2 stops31h 00m

$5,602

Washington, D.C.Santander

DCA - SDR

DCASDR

Washington, D.C. Reagan-National

Wed 2/4

1:59 pm-8:20 am

2 stops12h 21m

$540

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Santander from

How to get the cheapest flight ticket from Washington, D.C. Reagan-National Airport 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 day to depart on your flight to Santander?

The cheapest day to depart from Washington, D.C. Reagan-National Airport to Santander is on a Monday. Travelers who choose to depart for Santander on a Monday will often find tickets for as low as $985. If your travel schedule is flexible, try to avoid departing on a Thursday because tickets tend to average around $1,253. These prices are subject to change though, so be sure to set up a Price Alert for flights to Santander.

What is the cheapest time of day to depart on your flight to Santander?

The cheapest time of day to fly to Santander is in the afternoon when flights can be purchased for as low as $702. In the evening is when there is more demand to fly to Santander, so prices are often more expensive at around $1,253 per ticket.

When to book flights from Washington, D.C. Reagan-National Airport to Santander

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Reagan-National Airport 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. Reagan-National Airport to Santander (DCA to SDR) flight deals and tips

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

Direct flights

None
There are no direct flights from Washington, D.C. Reagan-National Airport to Santander. There are no popular flight routes from Washington, D.C. Reagan-National Airport to Santander.
  • How far is Washington, D.C. Reagan-National to Santander by plane?

    There are 3694.9 mi between Washington, D.C. Reagan-National and Santander. A reasonable flight in good conditions will take 13h 06m.

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

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington, D.C. Reagan-National Airport to Santander Airport.

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

    The travel and health documents required for your trip to Santander Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Santander Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Washington, D.C. to Santander for you.

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

Flights from Washington, D.C. to Santander with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo provides multiple filters to help you find the best flight to Santander from Washington, D.C.. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

If you are simply researching potential flights to Santander, momondo offers a useful price alert feature which will track prices for flights to Santander from Washington, D.C. and alert you when they change.

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1 adult
Thu 11/13
Thu 11/20

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