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Reagan-National

$180+ 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 11/14. Fares are subject to change and may not be available on all flights or dates of travel.
STI — DCA
Nov 28 — Dec 51
Fri 11/28
Fri 12/5
1 adult, Economy
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Cheap 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 October 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$378
(JetBlue)

One-way from

$180
(JetBlue)

Popular in

June

Cheapest in

December

Average price

$418
Provider with most accurate pricing for Santiago de los Caballeros-Washington, D.C. Reagan-National flight deals.
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Provider most trusted by Cheapflights users for Santiago de los Caballeros-Washington, D.C. Reagan-National flights.
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From Santiago de los Caballeros to Washington, D.C. Reagan-National
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One-way flight from Santiago de los Caballeros to Washington, D.C. Reagan-National
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Highest demand for flights based on searches. 11% potential increase in price ($66 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find 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 October 29, 2025.

This JetBlue deal was found by Cheapflights users on 10/28. 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.
Fri 11/79:29 amSTI - DCA
1 stop8h 33mJetBlue
Tue 11/114:55 pmDCA - STI
1 stop9h 03mJetBlue
Deal found 10/28$378
This SmartFares deal was found by Cheapflights users on 10/29. 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.
Mon 12/2211:25 amSTI - DCA
1 stop12h 21mJetBlue
Wed 1/76:30 pmDCA - STI
1 stop15h 32mJetBlue
Deal found 10/29$382
This JetBlue deal was found by Cheapflights users on 10/28. 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.
Fri 11/219:30 amSTI - DCA
1 stop9h 00mJetBlue
Mon 11/245:43 pmDCA - STI
1 stop8h 56mJetBlue
Deal found 10/28$398
This JetBlue deal was found by Cheapflights users on 10/27. 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 11/134:41 amSTI - DCA
1 stop10h 55mJetBlue
Sat 11/228:00 pmDCA - STI
1 stop11h 19mJetBlue
Deal found 10/27$437
This Faresmojo deal was found by Cheapflights users on 10/29. 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.
Thu 11/277:01 amSTI - DCA
1 stop8h 58mJetBlue
Wed 12/316:15 pmDCA - STI
1 stop9h 35mJetBlue
Deal found 10/29$456
This Delta deal was found by Cheapflights users on 10/28. 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.
Thu 11/276:40 amSTI - DCA
1 stop10h 22mDelta
Wed 12/315:00 pmDCA - STI
1 stop8h 51mDelta
Deal found 10/28$497
This Delta deal was found by Cheapflights users on 10/29. 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.
Sun 12/213:00 amSTI - DCA
1 stop13h 21mDelta
Wed 1/711:10 amDCA - STI
1 stop12h 40mDelta
Deal found 10/29$521
This American Airlines deal was found by Cheapflights users on 10/29. 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.
Thu 11/276:20 amSTI - DCA
2 stops9h 04mAmerican Airlines
Wed 12/3110:15 amDCA - STI
2 stops9h 49mAmerican Airlines
Deal found 10/29$530

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 October 29, 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

Santiago de los Caballeros

Fly to

Reagan-National

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

6:59 pm-8:19 am

1 stop12h 20m

$378

Santiago de los CaballerosWashington, D.C.

STI - DCA

STIDCA

Santiago de los Caballeros

Fri 11/7

9:29 am-5:02 pm

1 stop8h 33m

Washington, D.C. Reagan-National

Tue 11/11

4:55 pm-2:58 am

1 stop9h 03m

$378

Santiago de los CaballerosWashington, D.C.

STI - DCA

STIDCA

Santiago de los Caballeros

Fri 11/14

9:29 am-5:02 pm

1 stop8h 33m

Washington, D.C. Reagan-National

Sat 11/22

8:00 pm-8:19 am

1 stop11h 19m

$378

Santiago de los CaballerosWashington, D.C.

STI - DCA

STIDCA

Santiago de los Caballeros

Mon 12/22

11:25 am-10:46 pm

1 stop12h 21m

Washington, D.C. Reagan-National

Wed 1/7

6:30 pm-11:02 am

1 stop15h 32m

$382

Santiago de los CaballerosWashington, D.C.

STI - DCA

STIDCA

Santiago de los Caballeros

Tue 12/23

11:25 am-10:46 pm

1 stop12h 21m

Washington, D.C. Reagan-National

Wed 1/7

8:55 pm-4:31 am

1 stop6h 36m

$391

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

6:15 pm-4:50 am

1 stop9h 35m

$456

Santiago de los CaballerosWashington, D.C.

STI - DCA

STIDCA

Santiago de los Caballeros

Thu 11/27

6:40 am-4:02 pm

1 stop10h 22m

Washington, D.C. Reagan-National

Wed 12/31

5:00 pm-2:51 am

1 stop8h 51m

$497

Santiago de los CaballerosWashington, D.C.

STI - DCA

STIDCA

Santiago de los Caballeros

Mon 12/22

3:00 am-3:29 pm

1 stop13h 29m

Washington, D.C. Reagan-National

Wed 1/7

11:10 am-12:50 am

1 stop12h 40m

$497

Santiago de los CaballerosWashington, D.C.

STI - DCA

STIDCA

Santiago de los Caballeros

Fri 11/14

9:29 am-5:02 pm

1 stop8h 33m

$180

Santiago de los CaballerosWashington, D.C.

STI - DCA

STIDCA

Santiago de los Caballeros

Thu 11/20

9:30 am-5:35 pm

1 stop9h 05m

$180

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Showing 1-10 of 18 results
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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 October.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Santiago de los Caballeros-Washington, D.C. Reagan-National Airport flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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, July 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 $215). Flying from Santiago de los Caballeros to Washington, D.C. Reagan-National Airport in March is currently the most expensive (average of $494). 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.

What is the cheapest time of day to fly from STI to DCA?

Find hourly flight availability from Santiago de los Caballeros to Reagan-National. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 29, 2025.

When flying from Santiago de los Caballeros to Washington, D.C. Reagan-National Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 26% versus a flight in the afternoon.

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 October 29, 2025.
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
2,907 reviews

Crew

8.0

Overall

7.2

Comfort

7.6

Food

6.7

Boarding

7.4

Entertainment

7.3

Reviews

1 / 20
10.0
Excellent

JACK,Sep 2025

JFK - MSY

I liked the professional services of the crew. Keep up the good work.
JetBlue
7.2
Good
2,907 reviews
JetBlue
7.2
Good
2,907 reviews

Crew

8.0

Overall

7.2

Comfort

7.6

Food

6.7

Boarding

7.4

Entertainment

7.3

Reviews

1 / 20
10.0
Excellent

JACK,Sep 2025

JFK - MSY

I liked the professional services of the crew. Keep up the good work.

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 9h. 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, July 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 $215). Flying from Santiago de los Caballeros to Washington, D.C. Reagan-National Airport in March is currently the most expensive (average of $494). 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
Springfield
Hanover
Silver Spring
Fairfax
Fredericksburg
Falls Church
Owings Mills
Linthicum Heights
Manassas
Largo
Oxon Hill
Laurel
Towson
National Harbor
Waldorf
Bowie

Browse thousands of different options on Cheapflights for your next trip

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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 October 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$369Average$476FlexibilityNo cancel feeOn-time62%

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