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Cheap flights from Santiago de los Caballeros to Washington, D.C. from $180

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 12/24. 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 Santiago de los Caballeros to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
JetBlue Logo
9:30 am - 5:30 pmSTI-DCA
9h 00m1 stop
JetBlue Logo
5:43 pm - 3:39 amDCA-STI
8h 56m1 stop
$403JetBlue
Find Deal
Fri, Nov 21 - Mon, Nov 24
JetBlue Logo
10:11 am - 10:39 pmSTI-DCA
13h 28m1 stop
JetBlue Logo
7:20 am - 10:15 amDCA-STI
25h 55m1 stop
$442JetBlue
Find Deal
Sat, Dec 13 - Sat, Jan 3
JetBlue Logo
7:01 am - 2:59 pmSTI-DCA
8h 58m1 stop
JetBlue Logo
6:59 pm - 10:15 amDCA-STI
14h 16m1 stop
$443JetBlue
Find Deal
Thu, Nov 27 - Wed, Dec 31
JetBlue Logo
1:39 pm - 9:22 pmSTI-DCA
8h 43m1 stop
JetBlue Logo
6:55 pm - 9:01 amDCA-STI
13h 06m1 stop
$501JetBlue
Find Deal
Fri, Feb 20 - Sun, Feb 22
Delta Logo
6:39 am - 10:53 pmSTI-DCA
17h 14m1 stop
Delta Logo
6:00 am - 8:34 pmDCA-STI
13h 34m1 stop
$521Delta
Find Deal
Sat, Feb 7 - Mon, Feb 9
JetBlue Logo
5:30 am - 10:46 pmSTI-DCA
18h 16m1 stop
JetBlue Logo
4:45 pm - 2:57 amDCA-STI
9h 12m1 stop
$526JetBlue
Find Deal
Mon, Dec 29 - Mon, Jan 5
American Airlines Logo
6:00 am - 4:56 pmSTI-DCA
11h 56m2 stops
American Airlines Logo
7:59 pm - 3:32 pmDCA-STI
18h 33m1 stop
$554American Airlines
Find Deal
Sat, Feb 7 - Mon, Feb 9
American Airlines Logo
6:00 am - 4:56 pmSTI-DCA
11h 56m2 stops
American Airlines Logo
7:59 pm - 3:32 pmDCA-STI
18h 33m1 stop
$555American Airlines
Find Deal
Sat, Feb 7 - Mon, Feb 9
Delta Logo
3:30 am - 3:21 pmSTI-DCA
12h 51m1 stop
Delta Logo
5:00 pm - 12:50 amDCA-STI
6h 50m1 stop
$687Delta
Find Deal
Sun, Dec 28 - Mon, Jan 5
United Airlines Logo
6:00 am - 7:13 pmSTI-DCA
14h 13m2 stops
United Airlines Logo
12:00 pm - 11:51 pmDCA-STI
10h 51m2 stops
$4,342United Airlines
Find Deal
Sat, Feb 7 - Mon, Feb 9

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
Nov 21
STI9:30 amSantiago de los Caballeros
9h 00m
1 stop
DCA5:30 pmWashington, D.C. Reagan-National
Nov 24
DCA5:43 pmWashington, D.C. Reagan-National
8h 56m
1 stop
STI3:39 amSantiago de los Caballeros
$403
Find similar
JetBlue
Dec 13
STI10:11 amSantiago de los Caballeros
13h 28m
1 stop
DCA10:39 pmWashington, D.C. Reagan-National
Jan 3
DCA7:20 amWashington, D.C. Reagan-National
25h 55m
1 stop
STI10:15 amSantiago de los Caballeros
$442
Find similar
JetBlue
Nov 27
STI7:01 amSantiago de los Caballeros
8h 58m
1 stop
DCA2:59 pmWashington, D.C. Reagan-National
Dec 31
DCA6:59 pmWashington, D.C. Reagan-National
14h 16m
1 stop
STI10:15 amSantiago de los Caballeros
$443
Find similar

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

Our best Delta deals on Santiago de los Caballeros to Washington, D.C. Reagan-National Airport flight tickets
Delta
Feb 7
STI6:39 amSantiago de los Caballeros
17h 14m
1 stop
DCA10:53 pmWashington, D.C. Reagan-National
Feb 9
DCA6:00 amWashington, D.C. Reagan-National
13h 34m
1 stop
STI8:34 pmSantiago de los Caballeros
$521
Find similar
Delta
Dec 28
STI3:30 amSantiago de los Caballeros
12h 51m
1 stop
DCA3:21 pmWashington, D.C. Reagan-National
Jan 5
DCA5:00 pmWashington, D.C. Reagan-National
6h 50m
1 stop
STI12:50 amSantiago de los Caballeros
$687
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 November 3, 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

Fri 11/21

9:30 am-5:30 pm

1 stop9h 00m

Washington, D.C. Reagan-National

Mon 11/24

5:43 pm-3:39 am

1 stop8h 56m

$403

Santiago de los CaballerosWashington, D.C.

STI - DCA

STIDCA

Santiago de los Caballeros

Sat 12/13

10:11 am-10:39 pm

1 stop13h 28m

Washington, D.C. Reagan-National

Sat 1/3

7:20 am-10:15 am

1 stop25h 55m

$442

Santiago de los CaballerosWashington, D.C.

STI - DCA

STIDCA

Santiago de los Caballeros

Thu 11/27

7:01 am-2:59 pm

1 stop8h 58m

Washington, D.C. Reagan-National

Wed 12/31

6:59 pm-10:15 am

1 stop14h 16m

$443

Santiago de los CaballerosWashington, D.C.

STI - DCA

STIDCA

Santiago de los Caballeros

Fri 2/20

1:39 pm-9:22 pm

1 stop8h 43m

Washington, D.C. Reagan-National

Sun 2/22

6:55 pm-9:01 am

1 stop13h 06m

$501

Santiago de los CaballerosWashington, D.C.

STI - DCA

STIDCA

Santiago de los Caballeros

Sat 2/7

6:39 am-10:53 pm

1 stop17h 14m

Washington, D.C. Reagan-National

Mon 2/9

6:00 am-8:34 pm

1 stop13h 34m

$521

Santiago de los CaballerosWashington, D.C.

STI - DCA

STIDCA

Santiago de los Caballeros

Mon 12/29

5:30 am-10:46 pm

1 stop18h 16m

Washington, D.C. Reagan-National

Mon 1/5

4:45 pm-2:57 am

1 stop9h 12m

$526

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-3:32 pm

1 stop18h 33m

$554

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-3:32 pm

1 stop18h 33m

$555

Santiago de los CaballerosWashington, D.C.

STI - DCA

STIDCA

Santiago de los Caballeros

Sun 12/28

3:30 am-3:21 pm

1 stop12h 51m

Washington, D.C. Reagan-National

Mon 1/5

5:00 pm-12:50 am

1 stop6h 50m

$687

Santiago de los CaballerosWashington, D.C.

STI - DCA

STIDCA

Santiago de los Caballeros

Sat 2/7

6:00 am-7:13 pm

2 stops14h 13m

Washington, D.C. Reagan-National

Mon 2/9

12:00 pm-11:51 pm

2 stops10h 51m

$4,342

Flights are sorted by cheapest round-trip flights 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 $372. 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 November 2025, prices for Santiago de los Caballeros to Washington, D.C. Reagan-National Airport flights are approximately 4% 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

Direct flights

None
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 7h 41m.

  • 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
2,907 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
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Towson
Rockville
Manassas
Reston
Gaithersburg
Fairfax
Glen Burnie
Springfield
Linthicum Heights

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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