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Reagan-National

$231+ 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 2/23. Fares are subject to change and may not be available on all flights or dates of travel.
STI — DCA
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from Santiago de los Caballeros to Reagan-National

Best flights from Santiago de los Caballeros to Reagan-National
Discover carefully curated flight deals from Santiago de los Caballeros to Reagan-National that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 12, 2025.

This JetBlue deal was found by Cheapflights users on 12/10. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/129:00 amSTI - DCA
1 stop9h 59mJetBlue
Tue 5/191:00 pmDCA - STI
1 stop10h 59mJetBlue
Deal found 12/10$335
This Delta deal was found by Cheapflights users on 12/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/76:38 amSTI - DCA
1 stop10h 51mDelta
Mon 2/96:00 amDCA - STI
1 stop6h 04mDelta
Deal found 12/10$521
This American Airlines deal was found by Cheapflights users on 12/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/123:35 pmSTI - DCA
2 stops16h 15mAmerican Airlines
Tue 5/197:15 amDCA - STI
1 stop7h 05mAmerican Airlines
Deal found 12/10$521
This JetBlue deal was found by Cheapflights users on 12/9. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/59:35 amSTI - DCA
1 stop9h 25mJetBlue
Mon 2/96:15 amDCA - STI
1 stop13h 02mJetBlue
Deal found 12/9$401
This American Airlines deal was found by Cheapflights users on 12/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/76:00 amSTI - DCA
2 stops11h 50mAmerican Airlines
Mon 2/97:59 pmDCA - STI
1 stop18h 51mAmerican Airlines
Deal found 12/10$554
This Expedia deal was found by Cheapflights users on 12/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/146:40 amSTI - DCA
1 stop17h 19mJetBlue
Sat 2/216:00 amDCA - STI
1 stop19h 44mJetBlue
Deal found 12/10$504
This American Airlines deal was found by Cheapflights users on 12/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/148:00 amSTI - DCA
2 stops12h 44mAmerican Airlines
Sat 2/2110:05 amDCA - STI
2 stops11h 00mAmerican Airlines
Deal found 12/10$568

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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$335
(JetBlue)

One-way from

$231
(Kiwi.com)

Popular in

July

Cheapest in

December

Average price

$371
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
Highest demand for flights based on searches. 11% potential increase in price ($68 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 12, 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

Tue 5/12

9:00 am-6:59 pm

1 stop9h 59m

Washington, D.C. Reagan-National

Tue 5/19

1:00 pm-11:59 pm

1 stop10h 59m

$335

Santiago de los CaballerosWashington, D.C.

STI - DCA

STIDCA

Santiago de los Caballeros

Thu 2/5

9:35 am-6:00 pm

1 stop9h 25m

Washington, D.C. Reagan-National

Mon 2/9

6:15 am-8:17 pm

1 stop13h 02m

$401

Santiago de los CaballerosWashington, D.C.

STI - DCA

STIDCA

Santiago de los Caballeros

Sat 2/14

6:40 am-10:59 pm

1 stop17h 19m

Washington, D.C. Reagan-National

Sat 2/21

6:00 am-2:44 am

1 stop19h 44m

$504

Santiago de los CaballerosWashington, D.C.

STI - DCA

STIDCA

Santiago de los Caballeros

Sat 2/7

6:38 am-4:29 pm

1 stop10h 51m

Washington, D.C. Reagan-National

Mon 2/9

6:00 am-1:04 pm

1 stop6h 04m

$521

Santiago de los CaballerosWashington, D.C.

STI - DCA

STIDCA

Santiago de los Caballeros

Tue 5/12

3:35 pm-7:50 am

2 stops16h 15m

Washington, D.C. Reagan-National

Tue 5/19

7:15 am-2:20 pm

1 stop7h 05m

$521

Santiago de los CaballerosWashington, D.C.

STI - DCA

STIDCA

Santiago de los Caballeros

Sat 2/7

6:00 am-4:50 pm

2 stops11h 50m

Washington, D.C. Reagan-National

Mon 2/9

7:59 pm-3:50 pm

1 stop18h 51m

$554

Santiago de los CaballerosWashington, D.C.

STI - DCA

STIDCA

Santiago de los Caballeros

Sat 2/14

8:00 am-7:44 pm

2 stops12h 44m

Washington, D.C. Reagan-National

Sat 2/21

10:05 am-10:05 pm

2 stops11h 00m

$568

Santiago de los CaballerosWashington, D.C.

STI - DCA

STIDCA

Santiago de los Caballeros

Mon 2/23

4:40 pm-12:04 pm

3 stops44h 24m

$231

Santiago de los CaballerosWashington, D.C.

STI - DCA

STIDCA

Santiago de los Caballeros

Mon 2/23

10:11 am-9:01 am

1 stop23h 50m

$233

Santiago de los CaballerosWashington, D.C.

STI - DCA

STIDCA

Santiago de los Caballeros

Sun 2/22

4:40 pm-12:04 pm

3 stops44h 24m

$241

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 19 results
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 December.
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, 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 $202). 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 December 12, 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 December 12, 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
2,899 reviews

Entertainment

7.2

Food

6.7

Boarding

7.4

Comfort

7.6

Crew

8.0

Overall

7.2

Reviews

1 / 20
2.0
Mediocre

Samuel,Nov 2025

PBI - HPN

Incessant announcements hawking the JB Card, other items to purchase, seat back tables up 45 minutes before we landed....more announcements....Give your customer a break!
JetBlue
7.2
Good
2,899 reviews
JetBlue
7.2
Good
2,899 reviews

Entertainment

7.2

Food

6.7

Boarding

7.4

Comfort

7.6

Crew

8.0

Overall

7.2

Reviews

1 / 20
2.0
Mediocre

Samuel,Nov 2025

PBI - HPN

Incessant announcements hawking the JB Card, other items to purchase, seat back tables up 45 minutes before we landed....more announcements....Give your customer a break!

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 and Delta fly from Santiago de los Caballeros to Washington, D.C. Reagan-National Airport in about 9h 59m. The time it takes to get you to your destination can typically vary by up to 52m. The distance from Santiago de los Caballeros to Washington, D.C. Reagan-National Airport is about 1397 mi. This flight may include one or multiple stops.

  • 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 $202). 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
Owings Mills
Springfield
Hanover
Silver Spring
Fredericksburg
Fairfax
Linthicum Heights
Manassas
Rockville
Laurel
Towson
National Harbor
Bowie
Largo
McLean
Clinton

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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$369Average$485FlexibilityNo cancel feeOn-time62%

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