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Cheap flights from Santiago de los Caballeros to Washington, D.C. from $179

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Santiago de los Caballeros to Washington, D.C. departing on 1/27. 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 Santiago de los Caballeros to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
JetBlue Logo
9:29 am - 5:59 pm
STI
-
DCA
9h 30m1 stop
JetBlue Logo
6:20 pm - 8:19 am
DCA
-
STI
12h 59m1 stop
$415JetBlue
Thu, Feb 19 - Sat, Feb 21
JetBlue Logo
9:29 am - 5:59 pm
STI
-
DCA
9h 30m1 stop
JetBlue Logo
6:20 pm - 8:19 am
DCA
-
STI
12h 59m1 stop
$474JetBlue
Thu, Feb 19 - Sat, Feb 21
Delta Logo
2:29 pm - 10:53 pm
STI
-
DCA
9h 24m1 stop
Delta Logo
6:00 am - 1:04 pm
DCA
-
STI
6h 04m1 stop
$521Delta
Sat, Feb 7 - Mon, Feb 9
American Airlines Logo
6:00 am - 3:56 pm
STI
-
DCA
10h 56m2 stops
American Airlines Logo
7:59 pm - 3:50 pm
DCA
-
STI
18h 51m1 stop
$553American Airlines
Sat, Feb 7 - Mon, Feb 9
American Airlines Logo
6:00 am - 4:56 pm
STI
-
DCA
11h 56m2 stops
American Airlines Logo
7:59 pm - 3:50 pm
DCA
-
STI
18h 51m1 stop
$554American Airlines
Sat, Feb 7 - Mon, Feb 9

American Airlines flights from Santiago de los Caballeros to Washington, D.C. Reagan-National Airport

Our best American Airlines deals on Santiago de los Caballeros to Washington, D.C. Reagan-National Airport flight tickets
American Airlines
Feb 7
STI6:00 amSantiago de los Caballeros
10h 56m
2 stops
DCA3:56 pmWashington, D.C. Reagan-National
Feb 9
DCA7:59 pmWashington, D.C. Reagan-National
18h 51m
1 stop
STI3:50 pmSantiago de los Caballeros
$553
Find similar
American Airlines
Feb 7
STI6:00 amSantiago de los Caballeros
10h 56m
2 stops
DCA3:56 pmWashington, D.C. Reagan-National
Feb 9
DCA7:59 pmWashington, D.C. Reagan-National
18h 51m
1 stop
STI3:50 pmSantiago de los Caballeros
$554
Find similar

JetBlue flights from Santiago de los Caballeros to Washington, D.C. Reagan-National Airport

Our best JetBlue deals on Santiago de los Caballeros to Washington, D.C. Reagan-National Airport flight tickets
JetBlue
Feb 19
STI9:29 amSantiago de los Caballeros
9h 30m
1 stop
DCA5:59 pmWashington, D.C. Reagan-National
Feb 21
DCA6:20 pmWashington, D.C. Reagan-National
12h 59m
1 stop
STI8:19 amSantiago de los Caballeros
$415
Find similar
JetBlue
Feb 19
STI9:29 amSantiago de los Caballeros
9h 30m
1 stop
DCA5:59 pmWashington, D.C. Reagan-National
Feb 21
DCA6:20 pmWashington, D.C. Reagan-National
12h 59m
1 stop
STI8:19 amSantiago de los Caballeros
$474
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Santiago de los Caballeros to Washington, D.C. Reagan-National Airport 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 December 23, 2025.
Use the filters below to find and compare flights from Santiago de los Caballeros to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Santiago de los CaballerosWashington, D.C.

STI - DCA

STIDCA

Santiago de los Caballeros

Thu 2/19

9:29 am-5:59 pm

1 stop9h 30m

Washington, D.C. Reagan-National

Sat 2/21

6:20 pm-8:19 am

1 stop12h 59m

$415

Santiago de los CaballerosWashington, D.C.

STI - DCA

STIDCA

Santiago de los Caballeros

Thu 2/19

9:29 am-5:59 pm

1 stop9h 30m

Washington, D.C. Reagan-National

Sat 2/21

6:20 pm-8:19 am

1 stop12h 59m

$474

Santiago de los CaballerosWashington, D.C.

STI - DCA

STIDCA

Santiago de los Caballeros

Sat 2/7

2:29 pm-10:53 pm

1 stop9h 24m

Washington, D.C. Reagan-National

Mon 2/9

6:00 am-1:04 pm

1 stop6h 04m

$521

Santiago de los CaballerosWashington, D.C.

STI - DCA

STIDCA

Santiago de los Caballeros

Sat 2/7

6:00 am-3:56 pm

2 stops10h 56m

Washington, D.C. Reagan-National

Mon 2/9

7:59 pm-3:50 pm

1 stop18h 51m

$553

Santiago de los CaballerosWashington, D.C.

STI - DCA

STIDCA

Santiago de los Caballeros

Sat 2/7

6:00 am-4:56 pm

2 stops11h 56m

Washington, D.C. Reagan-National

Mon 2/9

7:59 pm-3:50 pm

1 stop18h 51m

$554

Santiago de los CaballerosWashington, D.C.

STI - DCA

STIDCA

Santiago de los Caballeros

Tue 1/27

9:30 am-6:00 pm

1 stop9h 30m

$179

Santiago de los CaballerosWashington, D.C.

STI - DCA

STIDCA

Santiago de los Caballeros

Mon 2/16

4:40 pm-1:15 pm

3 stops45h 35m

$231

Santiago de los CaballerosWashington, D.C.

STI - DCA

STIDCA

Santiago de los Caballeros

Tue 2/17

10:11 am-1:09 pm

1 stop27h 58m

$244

Santiago de los CaballerosWashington, D.C.

STI - DCA

STIDCA

Santiago de los Caballeros

Mon 2/16

10:11 am-12:59 pm

2 stops27h 48m

$245

Santiago de los CaballerosWashington, D.C.

STI - DCA

STIDCA

Santiago de los Caballeros

Sun 1/25

4:40 pm-4:59 pm

3 stops49h 19m

$250

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Santiago de los Caballeros to Washington, D.C. Reagan-National Airport

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 month to fly to Washington, D.C. Reagan-National Airport?

The month of December is, on average, the cheapest month to fly to Washington, D.C. Reagan-National Airport from Santiago de los Caballeros, with most prices found around $371. If you aren’t able to travel to Washington, D.C. Reagan-National Airport during the month of December, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $418.

What is the cheapest day to depart on your flight to Washington, D.C. Reagan-National Airport?

The cheapest day to depart from Santiago de los Caballeros to Washington, D.C. Reagan-National Airport is on a Saturday. Travelers who choose to depart for Washington, D.C. Reagan-National Airport on a Saturday will often find tickets for as low as $426. Flights from Santiago de los Caballeros to Washington, D.C. Reagan-National Airport on a Monday will generally be more expensive and average around $611. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Washington, D.C. Reagan-National Airport?

Our data shows that the cheapest Santiago de los Caballeros to Washington, D.C. Reagan-National Airport flights are usually those with departure times at noon. Our users have found flights to Washington, D.C. Reagan-National Airport at noon for as low as $516. In contrast, the most expensive time of day to depart to Washington, D.C. Reagan-National Airport is in the evening when prices are around $522.

How have Santiago de los Caballeros to Washington, D.C. Reagan-National Airport flight prices changed over time?

As of December 2025, prices for Santiago de los Caballeros to Washington, D.C. Reagan-National Airport flights are approximately 0% more expensive when compared to flights at the same time last year.

When to book flights from Santiago de los Caballeros to Washington, D.C. Reagan-National Airport

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

Cheap Santiago de los Caballeros to Washington, D.C. Reagan-National Airport (STI to DCA) flight deals and tips

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

Fastest flight time

8h 05m

Direct flights

None
The fastest flight from Santiago de los Caballeros to Washington, D.C. Reagan-National Airport takes 8h 05m
There are no direct flights from Santiago de los Caballeros to Washington, D.C. Reagan-National Airport. There are no popular flight routes from Santiago de los Caballeros to Washington, D.C. Reagan-National Airport.
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  • How far is Santiago de los Caballeros to Washington, D.C. Reagan-National by plane?

    Washington, D.C. Reagan-National is 1392.0 mi away from Santiago de los Caballeros. In terms of flight time, this usually takes a little over 8h 05m.

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

    Prices for flights from Santiago de los Caballeros Airport to Washington, D.C. Reagan-National Airport are updated daily.

  • How many operators does momondo search for flights from Santiago de los Caballeros Airport to Washington, D.C. Reagan-National Airport?

  • How old do you have to be to fly from Santiago de los Caballeros Airport to Washington, D.C. Reagan-National 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 Santiago de los Caballeros Airport to Washington, D.C. Reagan-National Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Reagan-National Airport?

    The travel and health documents you'll need for your trip to Washington, D.C. Reagan-National Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington, D.C. Reagan-National Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Santiago de los Caballeros to Washington, D.C. Reagan-National Airport?

Best airlines flying from Santiago de los Caballeros to Washington, D.C. Reagan-National Airport

Compare and see reviews for airlines that fly from Santiago de los Caballeros to Washington, D.C. Reagan-National Airport with momondo
Airline
Rating
Free Cancellation
Price
JetBluePriceFrom $369Free CancellationRating
7.2
2,898 reviews
Search JetBlue flights

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Gettysburg
Arlington
Waldorf
Woodbridge
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Towson
Rockville
Gaithersburg
Reston
Manassas
Fairfax
Glen Burnie
Linthicum Heights
Bethesda

Why use momondo?

Why should I use momondo to find a flight deal from Santiago de los Caballeros to Washington, D.C.?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Santiago de los Caballeros to Washington, D.C.. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Santiago de los Caballeros to Washington, D.C. with flexible booking policies on momondo?

momondo does allow users to show only those flights to Washington, D.C. from Santiago de los Caballeros which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Santiago de los Caballeros to Washington, D.C.?

momondo helps you find the best flight between Santiago de los Caballeros and Washington, D.C. by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes momondo offers price alerts on flights to Washington, D.C. from Santiago de los Caballeros. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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