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Reagan-National

$209+ Cheap flights from Santiago de los Caballeros (STI) to Reagan-National (DCA)

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 3/26. Fares are subject to change and may not be available on all flights or dates of travel.
STI — DCA
Apr 13 — Apr 201
Mon 4/13
Mon 4/20
1 adult, Economy
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Cheap flight deals from Santiago de los Caballeros to Reagan-National

Cheapest flights from Santiago de los Caballeros to Reagan-National
Explore the most affordable flight options available from Santiago de los Caballeros to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 14, 2026.

This Cheapflightsfares deal was found by Cheapflights users on 3/9. 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.
Wed 5/68:31 am
STI
-
DCA
1 stop10h 29m
JetBlue
Mon 5/187:00 pm
DCA
-
STI
1 stop13h 03m
JetBlue
Deal found 3/9$377
This JetBlue deal was found by Cheapflights users on 3/12. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/209:10 am
STI
-
DCA
1 stop9h 47m
JetBlue
Wed 8/268:10 pm
DCA
-
STI
1 stop11h 50m
JetBlue
Deal found 3/12$395
This SmartFares deal was found by Cheapflights users on 3/10. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/218:31 am
STI
-
DCA
1 stop10h 29m
JetBlue
Fri 4/246:59 pm
DCA
-
STI
1 stop13h 03m
JetBlue
Deal found 3/10$434
This JetBlue deal was found by Cheapflights users on 3/12. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/189:10 am
STI
-
DCA
1 stop9h 47m
JetBlue
Sat 8/228:10 pm
DCA
-
STI
1 stop11h 50m
JetBlue
Deal found 3/12$448
This JetBlue deal was found by Cheapflights users on 3/12. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/179:10 am
STI
-
DCA
1 stop13h 26m
JetBlue
Mon 8/248:10 pm
DCA
-
STI
1 stop11h 50m
JetBlue
Deal found 3/12$465
This JetBlue deal was found by Cheapflights users on 3/12. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/209:10 am
STI
-
DCA
1 stop9h 47m
JetBlue
Sun 8/238:10 pm
DCA
-
STI
1 stop11h 50m
JetBlue
Deal found 3/12$496
This JetBlue deal was found by Cheapflights users on 3/12. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/189:10 am
STI
-
DCA
1 stop9h 47m
JetBlue
Sun 8/238:10 pm
DCA
-
STI
1 stop11h 50m
JetBlue
Deal found 3/12$549
This JetBlue deal was found by Cheapflights users on 3/12. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/209:10 am
STI
-
DCA
1 stop9h 47m
JetBlue
Fri 8/218:10 pm
DCA
-
STI
1 stop11h 50m
JetBlue
Deal found 3/12$555
This SmartFares deal was found by Cheapflights users on 3/13. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/248:31 am
STI
-
DCA
1 stop14h 01m
JetBlue
Fri 5/296:59 am
DCA
-
STI
1 stop11h 12m
JetBlue
Deal found 3/13$563
This JetBlue deal was found by Cheapflights users on 3/12. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/179:10 am
STI
-
DCA
1 stop13h 26m
JetBlue
Sun 8/238:10 pm
DCA
-
STI
1 stop11h 50m
JetBlue
Deal found 3/12$567
This American Airlines deal was found by Cheapflights users on 3/9. 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.
Wed 5/61:32 pm
STI
-
DCA
2 stops8h 43m
American Airlines
Mon 5/187:46 pm
DCA
-
STI
2 stops16h 37m
American Airlines
Deal found 3/9$581

Find flight deals from Santiago de los Caballeros to Reagan-National

Discover tips and strategies to find the most affordable flight options for your journey from Santiago de los Caballeros (STI) to Reagan-National (DCA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 14, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$395
(JetBlue)

One-way from

$209
(JetBlue)

Popular in

November

Cheapest in

December

Average price

$553
Provider with most accurate pricing for Santiago de los Caballeros-Washington, D.C. Reagan-National flight deals.
Search Deals
Provider most trusted by Cheapflights users for Santiago de los Caballeros-Washington, D.C. Reagan-National flights.
Search Deals
From Santiago de los Caballeros to Washington, D.C. Reagan-National
Search Deals
One-way flight from Santiago de los Caballeros to Washington, D.C. Reagan-National
Search Deals
High demand for flights, 5% potential price rise
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Santiago de los Caballeros to Reagan-National 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 March 14, 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

Wed 5/6

8:31 am-7:00 pm

1 stop10h 29m

Washington, D.C. Reagan-National

Mon 5/18

7:00 pm-8:03 am

1 stop13h 03m

$377
Quickest round-trip

Santiago de los CaballerosWashington, D.C.

STI - DCA

STIDCA

Santiago de los Caballeros

Thu 4/23

8:01 am-2:37 pm

1 stop6h 36m

Washington, D.C. Reagan-National

Sat 4/25

7:59 pm-8:02 am

1 stop12h 03m

$395

Santiago de los CaballerosWashington, D.C.

STI - DCA

STIDCA

Santiago de los Caballeros

Thu 8/20

9:10 am-6:57 pm

1 stop9h 47m

Washington, D.C. Reagan-National

Thu 8/27

8:10 pm-8:00 am

1 stop11h 50m

$395

Santiago de los CaballerosWashington, D.C.

STI - DCA

STIDCA

Santiago de los Caballeros

Tue 4/21

8:31 am-7:00 pm

1 stop10h 29m

Washington, D.C. Reagan-National

Fri 4/24

6:59 pm-8:02 am

1 stop13h 03m

$434

Santiago de los CaballerosWashington, D.C.

STI - DCA

STIDCA

Santiago de los Caballeros

Wed 8/19

9:10 am-6:57 pm

1 stop9h 47m

Washington, D.C. Reagan-National

Sat 8/22

8:10 pm-8:00 am

1 stop11h 50m

$448

Santiago de los CaballerosWashington, D.C.

STI - DCA

STIDCA

Santiago de los Caballeros

Mon 8/17

9:10 am-10:36 pm

1 stop13h 26m

Washington, D.C. Reagan-National

Mon 8/24

8:10 pm-8:00 am

1 stop11h 50m

$465

Santiago de los CaballerosWashington, D.C.

STI - DCA

STIDCA

Santiago de los Caballeros

Fri 4/24

8:31 am-10:32 pm

1 stop14h 01m

Washington, D.C. Reagan-National

Fri 5/29

6:59 am-6:11 pm

1 stop11h 12m

$563

Santiago de los CaballerosWashington, D.C.

STI - DCA

STIDCA

Santiago de los Caballeros

Wed 5/6

1:32 pm-10:15 pm

2 stops8h 43m

Washington, D.C. Reagan-National

Mon 5/18

7:46 pm-12:23 pm

2 stops16h 37m

$581
Cheapest one-way

Santiago de los CaballerosWashington, D.C.

STI - DCA

STIDCA

Santiago de los Caballeros

Thu 3/26

9:13 am-7:55 pm

1 stop10h 42m

$246
Quickest one-way

Santiago de los CaballerosWashington, D.C.

STI - DCA

STIDCA

Santiago de los Caballeros

Sat 3/28

9:13 am-7:03 pm

1 stop9h 50m

$262

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/9

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

Compare providers for flights from Santiago de los Caballeros to Reagan-National

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Santiago de los Caballeros to Reagan-National in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Santiago de los Caballeros-Washington, D.C. Reagan-National Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Santiago de los Caballeros-Washington, D.C. Reagan-National Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Santiago de los Caballeros-Washington, D.C. Reagan-National Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Santiago de los Caballeros-Washington, D.C. Reagan-National Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Santiago de los Caballeros-Washington, D.C. Reagan-National Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Santiago de los Caballeros to Reagan-National

Have a flexible travel schedule? Discover the best time to fly to Reagan-National from Santiago de los Caballeros 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 Santiago de los Caballeros to Washington, D.C. Reagan-National Airport

What is the cheapest month to book a flight from Santiago de los Caballeros to Washington, D.C. Reagan-National Airport?

Currently, November is the cheapest month in which you can book a flight from Santiago de los Caballeros to Washington, D.C. Reagan-National Airport (average of $178). Flying from Santiago de los Caballeros to Washington, D.C. Reagan-National Airport in March is currently the most expensive (average of $504). 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.

Reviews of airlines servicing Reagan-National

Get insights into the airlines that provide service to Reagan-National. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Reagan-National. Reviews last updated March 14, 2026.
Peruse reviews from past customers who have flown with JetBlue from Santiago de los Caballeros to Washington, D.C. Reagan-National Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
JetBlue
7.2
Good
2,905 reviews

Boarding

7.4

Food

6.6

Overall

7.2

Comfort

7.5

Entertainment

7.2

Crew

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

FLL - ORH

I pay extra for an even more seat row 3, but the luggage area has no more spots so i have to place my luggage in row 10. This was totally un accepatable.
JetBlue
7.2
Good
2,905 reviews
JetBlue
7.2
Good
2,905 reviews

Boarding

7.4

Food

6.6

Overall

7.2

Comfort

7.5

Entertainment

7.2

Crew

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

FLL - ORH

I pay extra for an even more seat row 3, but the luggage area has no more spots so i have to place my luggage in row 10. This was totally un accepatable.

Related info for your journey

Find useful and relevant information for your journey from Santiago de los Caballeros to Reagan-National. 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 from for flights from Santiago de los Caballeros to Washington, D.C. Reagan-National?

    If you book a flight to Washington, D.C. Reagan-National from Santiago de los Caballeros, you will be flying from Santiago, which is the city’s only airport. Santiago de los Caballeros (STI) is located 6.8 mi from the center of Santiago de los Caballeros. There are 0 flights from Santiago to Washington, D.C. Reagan-National per day from 1 airline.

  • How long is the flight from Santiago de los Caballeros to Washington, D.C. Reagan-National Airport?

    Airlines like JetBlue fly from Santiago de los Caballeros to Washington, D.C. Reagan-National Airport in about 10h 29m. The time it takes to get you to your destination can typically vary by up to . The distance from Santiago de los Caballeros to Washington, D.C. Reagan-National Airport is about 1397 mi.

  • What is the cheapest airline to fly from Santiago de los Caballeros to Washington, D.C. Reagan-National Airport round-trip?

    Currently priced at $369, JetBlue will fly you from Santiago de los Caballeros to Washington, D.C. Reagan-National Airport and back. In addition to JetBlue, many other airlines offer competitively priced options for your trip. JetBlue is currently priced 28% below the average price you’ll pay for this route.

  • Can I find deals for flights from Santiago de los Caballeros to Reagan-National that include hotel bookings?

    Yes. In addition to deals on Santiago de los Caballeros to Reagan-National flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Santiago de los Caballeros to Reagan-National?

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

  • Can I find deals for business class flights from Santiago de los Caballeros to Reagan-National?

    Yes. Cheapflights offers flight deals from Santiago de los Caballeros to Reagan-National 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 Santiago de los Caballeros to Washington, D.C. Reagan-National Airport?

    Currently, November is the cheapest month in which you can book a flight from Santiago de los Caballeros to Washington, D.C. Reagan-National Airport (average of $178). Flying from Santiago de los Caballeros to Washington, D.C. Reagan-National Airport in March is currently the most expensive (average of $504). 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

Traveling to a place near Washington, D.C. Reagan-National Airport?

Book flights to Washington, D.C. Reagan-National Airport if you plan to visit one of these locations
Alexandria
Woodbridge
Tysons
Arlington
Owings Mills
Springfield
Silver Spring
Herndon
Hyattsville
Hanover
Laurel
Rockville
Upper Marlboro
Linthicum Heights
Fredericksburg
Largo
Bowie
Clinton
Towson
College Park

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Alternative routes for Santiago de los Caballeros to Reagan-National

See prices for flight routes from nearby airports that may be better suited for you.
Santo Domingo to Dulles Intl flights
Santo Domingo to Baltimore flights
Punta Cana to Dulles Intl flights
Punta Cana to Baltimore flights
Punta Cana to Reagan-National flights

Top airline flying from Santiago de los Caballeros to Reagan-National

Discover the top airline that operate flights from Santiago de los Caballeros to Reagan-National. 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 March 14, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$369Average$485FlexibilityNo cancel feeOn-time62%

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