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Santiago de los Caballeros

$166+ Cheap flights from District of Columbia to Santiago de los Caballeros (STI)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/4. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — STI
Mar 5 — Mar 121
Thu 3/5
Thu 3/12
1 adult, Economy
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Cheap flight deals from District of Columbia to Santiago de los Caballeros

Cheapest flights from District of Columbia to Santiago de los Caballeros
Explore the most affordable flight options available from District of Columbia to Santiago de los Caballeros. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 3, 2026.

This Cheapflightsfares deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/246:55 pm
DCA
-
STI
1 stop12h 21m
JetBlue
Tue 4/148:01 am
STI
-
DCA
1 stop9h 43m
JetBlue
Deal found 2/1$314
This Cheapflightsfares deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/285:55 pm
DCA
-
STI
1 stop14h 26m
JetBlue
Wed 3/410:31 am
STI
-
DCA
1 stop10h 22m
JetBlue
Deal found 2/2$364
This CheapOair deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/62:45 pm
DCA
-
STI
1 stop17h 18m
JetBlue
Mon 5/118:31 am
STI
-
DCA
1 stop24h 31m
JetBlue
Deal found 2/2$374
This Cheapflightsfares deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/276:00 am
DCA
-
STI
1 stop8h 35m
JetBlue
Wed 3/49:29 am
STI
-
DCA
1 stop9h 31m
JetBlue
Deal found 2/1$375
This Cheapflightsfares deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/206:00 am
DCA
-
STI
1 stop14h 44m
JetBlue
Wed 2/2510:31 am
STI
-
DCA
1 stop10h 22m
JetBlue
Deal found 2/2$383
This Cheapflightsfares deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/33:59 pm
DCA
-
STI
1 stop16h 22m
JetBlue
Tue 3/109:22 am
STI
-
DCA
1 stop13h 09m
JetBlue
Deal found 2/1$385
This Orbitz deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/47:00 am
DCA
-
STI
2 stops25h 03m
JetBlue
Tue 5/128:31 am
STI
-
DCA
1 stop24h 31m
JetBlue
Deal found 2/1$400
This Orbitz deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/13:59 pm
DCA
-
STI
1 stop16h 22m
JetBlue
Sat 3/74:51 am
STI
-
DCA
1 stop18h 08m
JetBlue
Deal found 2/1$405
This Faresmojo deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Faresmojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/136:55 pm
DCA
-
STI
1 stop12h 21m
JetBlue
Fri 3/278:29 am
STI
-
DCA
1 stop9h 29m
JetBlue
Deal found 2/1$406
This Copa Airlines deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/132:21 am
IAD
-
STI
1 stop12h 29m
Copa Airlines
Mon 5/183:59 pm
STI
-
IAD
1 stop12h 22m
Copa Airlines
Deal found 2/3$451
This Delta deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/312:24 pm
IAD
-
STI
1 stop7h 10m
Delta
Tue 3/106:33 am
STI
-
IAD
1 stop12h 46m
Delta
Deal found 2/3$489
This American Airlines deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/35:00 am
IAD
-
STI
2 stops15h 30m
American Airlines
Tue 3/101:30 pm
STI
-
IAD
2 stops19h 18m
American Airlines
Deal found 2/3$493

Find flight deals from District of Columbia to Santiago de los Caballeros

Keep the following information in mind while searching for District of Columbia to Santiago de los Caballeros flight deals. Data was last updated February 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$314
(Cheapflightsfares)

One-way from

$166
(SmartFares)

Popular in

April

Cheapest in

October

Average price

$554
Provider with most accurate pricing for Washington, D.C. (WAS)-Santiago de los Caballeros flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Santiago de los Caballeros flights.
Search Deals
From District of Columbia to Santiago de los Caballeros
Search Deals
One-way flight from District of Columbia to Santiago de los Caballeros
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($37 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from District of Columbia to Santiago de los Caballeros 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, Cheapflights users made 2,558,603 searches. Data last updated February 3, 2026.
Use the filters below to find and compare flights from District of Columbia to Santiago de los Caballeros that are best for you.

Fly from

District of Columbia

Fly to

Santiago de los Caballeros

Route

Depart

Return

Price

Washington, D.C.Santiago de los Caballeros

DCA - STI

DCASTI

Washington, D.C. Reagan-National

Tue 3/24

6:55 pm-7:16 am

1 stop12h 21m

Santiago de los Caballeros

Tue 4/14

8:01 am-5:44 pm

1 stop9h 43m

$314

Washington, D.C.Santiago de los Caballeros

DCA - STI

DCASTI

Washington, D.C. Reagan-National

Mon 5/4

7:00 pm-8:03 am

1 stop13h 03m

Santiago de los Caballeros

Tue 5/12

8:31 am-9:02 am

1 stop24h 31m

$364

Washington, D.C.Santiago de los Caballeros

DCA - STI

DCASTI

Washington, D.C. Reagan-National

Tue 3/3

3:59 pm-9:21 am

1 stop16h 22m

Santiago de los Caballeros

Tue 3/10

9:22 am-10:31 pm

1 stop13h 09m

$385

Washington, D.C.Santiago de los Caballeros

DCA - STI

DCASTI

Washington, D.C. Reagan-National

Sun 3/1

3:59 pm-9:21 am

1 stop16h 22m

Santiago de los Caballeros

Sat 3/7

4:51 am-10:59 pm

1 stop18h 08m

$405

Washington, D.C.Santiago de los Caballeros

DCA - STI

DCASTI

Washington, D.C. Reagan-National

Fri 4/17

8:00 am-3:12 pm

1 stop7h 12m

Santiago de los Caballeros

Tue 4/21

8:01 am-2:38 pm

1 stop6h 37m

$413

Washington, D.C.Santiago de los Caballeros

DCA - STI

DCASTI

Washington, D.C. Reagan-National

Thu 3/19

6:00 am-3:17 pm

1 stop9h 17m

Santiago de los Caballeros

Thu 3/26

9:13 am-7:55 pm

1 stop10h 42m

$419

Washington, D.C.Santiago de los Caballeros

DCA - STI

DCASTI

Washington, D.C. Reagan-National

Wed 3/11

6:00 am-7:39 pm

1 stop13h 39m

Santiago de los Caballeros

Mon 3/16

9:13 am-12:00 pm

1 stop26h 47m

$430

Washington, D.C.Santiago de los Caballeros

DCA - STI

DCASTI

Washington, D.C. Reagan-National

Wed 3/4

6:55 pm-9:21 am

1 stop13h 26m

Santiago de los Caballeros

Fri 3/20

9:13 am-10:41 pm

1 stop13h 28m

$436

Washington, D.C.Santiago de los Caballeros

IAD - STI

IADSTI

Washington, D.C. Dulles Intl

Sun 2/22

1:18 am-2:56 pm

1 stop12h 38m

Santiago de los Caballeros

Mon 3/16

3:51 pm-4:15 am

1 stop12h 24m

$451

Washington, D.C.Santiago de los Caballeros

IAD - STI

IADSTI

Washington, D.C. Dulles Intl

Fri 2/27

1:18 am-2:56 pm

1 stop12h 38m

Santiago de los Caballeros

Sat 3/7

3:51 pm-3:15 am

1 stop12h 24m

$451

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/2

Showing 1-10 of 36 results
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Best time to book a flight from District of Columbia to Santiago de los Caballeros

Have a flexible travel schedule? Discover the best time to fly to Santiago de los Caballeros from District of Columbia with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from District of Columbia to Santiago de los Caballeros

What is the cheapest month to book a flight from District of Columbia to Santiago de los Caballeros?

Currently, August is the cheapest month in which you can book a flight from District of Columbia to Santiago de los Caballeros (average of $214). Flying from District of Columbia to Santiago de los Caballeros in May is currently the most expensive (average of $345). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from District of Columbia to Santiago de los Caballeros. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Santiago de los Caballeros from District of Columbia?

    For a flight from District of Columbia to Santiago de los Caballeros, you will be flying into Santiago. Santiago de los Caballeros (STI) is just 6.8 mi from the center of the city.

  • How long is the flight from District of Columbia to Santiago de los Caballeros?

    For as low as $489, JetBlue can have you in Santiago de los Caballeros from District of Columbia in 5h 56m. The distance from District of Columbia to Santiago de los Caballeros is about 1410 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from District of Columbia to Santiago de los Caballeros one-way?

    One-way options have recently been found by users for as low as $148 on JetBlue. Other airlines that offer cheap prices include Delta from $276 and American Airlines from $280 one-way.

  • Can I find deals for flights from District of Columbia to Santiago de los Caballeros that include hotel bookings?

    Yes. In addition to deals on District of Columbia to Santiago de los Caballeros flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from District of Columbia to Santiago de los Caballeros?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from District of Columbia to Santiago de los Caballeros.

  • Can I find deals for business class flights from District of Columbia to Santiago de los Caballeros?

    Yes. Cheapflights offers flight deals from District of Columbia to Santiago de los Caballeros by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from District of Columbia to Santiago de los Caballeros?

    Currently, August is the cheapest month in which you can book a flight from District of Columbia to Santiago de los Caballeros (average of $214). Flying from District of Columbia to Santiago de los Caballeros in May is currently the most expensive (average of $345). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for District of Columbia to Santiago de los Caballeros

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Santiago de los Caballeros flights
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John F Kennedy Intl to Santo Domingo flights
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Fort Lauderdale to Punta Cana flights
Orlando to Santo Domingo flights
Midway to Punta Cana flights
Charlotte to Punta Cana flights
Atlanta to Santo Domingo flights
Los Angeles to Punta Cana flights
Denver to Punta Cana flights
Miami to Santo Domingo flights
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Newark to Puerto Plata flights
Pittsburgh to Punta Cana flights
Dulles Intl to Santo Domingo flights
Cincinnati to Punta Cana flights
Raleigh to Punta Cana flights
Cleveland to Punta Cana flights
LaGuardia to Puerto Plata flights
Orlando to Santiago de los Caballeros flights
Baltimore to Santo Domingo flights
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Atlantic City to Punta Cana flights
Richmond to Punta Cana flights
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Love Field to Punta Cana flights

Top 5 airlines flying from District of Columbia to Santiago de los Caballeros

Discover the top 5 airlines that operate flights from District of Columbia to Santiago de los Caballeros. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$311Average$414FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$417Average$561FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$467Average$742FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$476Average$639FlexibilityNo cancel feeOn-time71%
DeltaCheapest$499Average$599FlexibilityNo cancel feeOn-timeN/A

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