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Cheap flights from Santiago de los Caballeros to Washington, D.C. from $302

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 5/16. 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
7:21 pm - 9:59 am
STI
-
DCA
14h 38m
1 stop
JetBlue Logo
8:00 pm - 1:54 am
DCA
-
STI
5h 54m
1 stop
$523JetBlue
Thu, May 28 - Tue, Jun 9
JetBlue Logo
7:21 pm - 9:59 am
STI
-
DCA
14h 38m
1 stop
JetBlue Logo
8:00 pm - 1:54 am
DCA
-
STI
5h 54m
1 stop
$541JetBlue
Wed, May 27 - Tue, Jun 9
JetBlue Logo
8:57 am - 10:32 pm
STI
-
DCA
13h 35m
1 stop
JetBlue Logo
6:00 am - 10:31 pm
DCA
-
STI
16h 31m
1 stop
$558JetBlue
Thu, May 14 - Tue, May 19
JetBlue Logo
8:57 am - 9:34 pm
STI
-
DCA
12h 37m
1 stop
JetBlue Logo
6:00 am - 12:14 am
DCA
-
STI
18h 14m
1 stop
$561JetBlue
Fri, May 15 - Tue, May 19
JetBlue Logo
8:52 am - 3:59 pm
STI
-
DCA
7h 07m
1 stop
JetBlue Logo
1:10 pm - 11:59 pm
DCA
-
STI
10h 49m
1 stop
$570JetBlue
Thu, May 28 - Tue, Jun 2
JetBlue Logo
7:21 pm - 10:01 am
STI
-
DCA
14h 40m
1 stop
JetBlue Logo
1:10 pm - 11:59 pm
DCA
-
STI
10h 49m
1 stop
$571JetBlue
Fri, May 29 - Tue, Jun 2
JetBlue Logo
8:57 am - 6:59 pm
STI
-
DCA
10h 02m
1 stop
JetBlue Logo
6:30 am - 1:50 pm
DCA
-
STI
7h 20m
1 stop
$574JetBlue
Tue, May 12 - Tue, Sep 22
Delta Logo
1:52 pm - 10:59 pm
STI
-
DCA
9h 07m
1 stop
Delta Logo
5:00 pm - 1:55 am
DCA
-
STI
8h 55m
1 stop
$582Delta
Wed, Jul 22 - Mon, Jul 27
JetBlue Logo
8:57 am - 6:59 pm
STI
-
DCA
10h 02m
1 stop
JetBlue Logo
12:10 pm - 1:21 am
DCA
-
STI
13h 11m
1 stop
$584JetBlue
Wed, May 13 - Wed, Sep 9
JetBlue Logo
8:57 am - 6:59 pm
STI
-
DCA
10h 02m
1 stop
JetBlue Logo
1:20 pm - 1:21 am
DCA
-
STI
12h 01m
1 stop
$592JetBlue
Wed, May 13 - Wed, Sep 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
May 28
STI7:21 pmSantiago de los Caballeros
14h 38m
1 stop
DCA9:59 amWashington, D.C. Reagan-National
Jun 9
DCA8:00 pmWashington, D.C. Reagan-National
5h 54m
1 stop
STI1:54 amSantiago de los Caballeros
$523
JetBlue
May 27
STI7:21 pmSantiago de los Caballeros
14h 38m
1 stop
DCA9:59 amWashington, D.C. Reagan-National
Jun 9
DCA8:00 pmWashington, D.C. Reagan-National
5h 54m
1 stop
STI1:54 amSantiago de los Caballeros
$541
JetBlue
May 14
STI8:57 amSantiago de los Caballeros
13h 35m
1 stop
DCA10:32 pmWashington, D.C. Reagan-National
May 19
DCA6:00 amWashington, D.C. Reagan-National
16h 31m
1 stop
STI10:31 pmSantiago de los Caballeros
$558

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
May 28
STI1:21 pmSantiago de los Caballeros
10h 33m
2 stops
DCA11:54 pmWashington, D.C. Reagan-National
Jun 9
DCA8:32 amWashington, D.C. Reagan-National
12h 40m
2 stops
STI9:12 pmSantiago de los Caballeros
$606
American Airlines
Aug 19
STI7:00 amSantiago de los Caballeros
9h 28m
1 stop
DCA4:28 pmWashington, D.C. Reagan-National
Aug 23
DCA1:44 pmWashington, D.C. Reagan-National
7h 19m
1 stop
STI9:03 pmSantiago de los Caballeros
$615
American Airlines
Aug 19
STI7:00 amSantiago de los Caballeros
9h 28m
1 stop
DCA4:28 pmWashington, D.C. Reagan-National
Aug 23
DCA1:44 pmWashington, D.C. Reagan-National
7h 19m
1 stop
STI9:03 pmSantiago de los Caballeros
$617

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 May 1, 2026.
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

Cheapest round-trip

Santiago de los CaballerosWashington, D.C.

STI - DCA

STIDCA

Santiago de los Caballeros

Thu 5/28

7:21 pm-9:59 am

1 stop14h 38m

Washington, D.C. Reagan-National

Tue 6/9

8:00 pm-1:54 am

1 stop5h 54m

$523

Santiago de los CaballerosWashington, D.C.

STI - DCA

STIDCA

Santiago de los Caballeros

Wed 5/27

7:21 pm-9:59 am

1 stop14h 38m

Washington, D.C. Reagan-National

Tue 6/9

8:00 pm-1:54 am

1 stop5h 54m

$541

Santiago de los CaballerosWashington, D.C.

STI - DCA

STIDCA

Santiago de los Caballeros

Thu 5/14

8:57 am-10:32 pm

1 stop13h 35m

Washington, D.C. Reagan-National

Tue 5/19

6:00 am-10:31 pm

1 stop16h 31m

$558

Santiago de los CaballerosWashington, D.C.

STI - DCA

STIDCA

Santiago de los Caballeros

Fri 5/15

8:57 am-9:34 pm

1 stop12h 37m

Washington, D.C. Reagan-National

Tue 5/19

6:00 am-12:14 am

1 stop18h 14m

$561

Santiago de los CaballerosWashington, D.C.

STI - DCA

STIDCA

Santiago de los Caballeros

Thu 5/28

8:52 am-3:59 pm

1 stop7h 07m

Washington, D.C. Reagan-National

Tue 6/2

1:10 pm-11:59 pm

1 stop10h 49m

$570

Santiago de los CaballerosWashington, D.C.

STI - DCA

STIDCA

Santiago de los Caballeros

Fri 5/29

7:21 pm-10:01 am

1 stop14h 40m

Washington, D.C. Reagan-National

Tue 6/2

1:10 pm-11:59 pm

1 stop10h 49m

$571
Quickest round-trip

Santiago de los CaballerosWashington, D.C.

STI - DCA

STIDCA

Santiago de los Caballeros

Tue 5/12

8:57 am-6:59 pm

1 stop10h 02m

Washington, D.C. Reagan-National

Tue 9/22

6:30 am-1:50 pm

1 stop7h 20m

$574

Santiago de los CaballerosWashington, D.C.

STI - DCA

STIDCA

Santiago de los Caballeros

Wed 7/22

1:52 pm-10:59 pm

1 stop9h 07m

Washington, D.C. Reagan-National

Mon 7/27

5:00 pm-1:55 am

1 stop8h 55m

$582

Santiago de los CaballerosWashington, D.C.

STI - DCA

STIDCA

Santiago de los Caballeros

Wed 5/13

8:57 am-6:59 pm

1 stop10h 02m

Washington, D.C. Reagan-National

Wed 9/9

12:10 pm-1:21 am

1 stop13h 11m

$584

Santiago de los CaballerosWashington, D.C.

STI - DCA

STIDCA

Santiago de los Caballeros

Wed 5/13

8:57 am-6:59 pm

1 stop10h 02m

Washington, D.C. Reagan-National

Wed 9/9

1:20 pm-1:21 am

1 stop12h 01m

$592

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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 typical price of a round-trip flight between Santiago de los Caballeros and Washington, D.C. Reagan-National Airport?

What is the cheapest month to fly to Washington, D.C. Reagan-National Airport?

The month of January 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 $0. If you aren’t able to travel to Washington, D.C. Reagan-National Airport during the month of January, then flying in December is also cheap. Prices for this month can be found on momondo for an average of $371.

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

As of May 2026, prices for Santiago de los Caballeros to Washington, D.C. Reagan-National Airport flights are approximately 12% 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

7h 08m

Direct flights

None
The fastest flight from Santiago de los Caballeros to Washington, D.C. Reagan-National Airport takes 7h 08m
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.
Search flight deals

Frequently asked questions about flying from Santiago de los Caballeros to Washington, D.C. Reagan-National Airport

  • 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 08m.

  • 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
2,969 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
Laurel
Colonial Beach
Gaithersburg
Towson
Fredericksburg
Silver Spring
Rockville
Manassas
Linthicum Heights
Tysons
Bethesda
Springfield
Fairfax
College Park

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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