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Washington, D.C.

$158+ Cheap flights from Santiago de los Caballeros (STI) to Washington, D.C. (WAS)

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 11/20. Fares are subject to change and may not be available on all flights or dates of travel.
STI — WAS
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Find flight deals from Santiago de los Caballeros to Washington, D.C.

Cheapest flights from Santiago de los Caballeros to Washington, D.C.
Explore the most affordable flight options available from Santiago de los Caballeros to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/211:17 pmSTI - BWI
1 stop11h 00mSpirit Airlines
Mon 11/245:40 amBWI - STI
1 stop5h 42mSpirit Airlines
Deal found 10/28$344
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/213:43 amSTI - BWI
1 stop6h 52mSpirit Airlines
Wed 1/76:18 pmBWI - STI
1 stop7h 24mSpirit Airlines
Deal found 10/29$361
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/213:43 amSTI - BWI
2 stops45h 46mMultiple Airlines
Wed 1/76:18 pmBWI - STI
1 stop7h 24mMultiple Airlines
Deal found 10/29$373
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 CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/213:43 amSTI - BWI
1 stop6h 52mSpirit Airlines
Tue 12/306:18 pmBWI - STI
1 stop7h 24mSpirit Airlines
Deal found 10/29$411
This Faresmojo deal was found by Cheapflights users on 10/30. 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 12/316:59 pmDCA - STI
1 stop14h 16mJetBlue
Deal found 10/30$443
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 10/30. 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 12/316:46 amDCA - STI
2 stops9h 41mAmerican Airlines
Deal found 10/30$530
This American Airlines deal was found by Cheapflights users on 10/30. 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 11/274:35 pmSTI - IAD
2 stops21h 37mAmerican Airlines
Wed 12/319:12 amIAD - STI
2 stops10h 52mAmerican Airlines
Deal found 10/30$530

Cheap flight deals from Santiago de los Caballeros to Washington, D.C.

Discover tips and strategies to find the most affordable flight options for your journey from Santiago de los Caballeros (STI) to Washington, D.C. (WAS). 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 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$319
(CheapOair)

One-way from

$158
(Cheapflightsfares)
Provider with most accurate pricing for Santiago de los Caballeros-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Santiago de los Caballeros-Washington, D.C. (WAS) flights.
Search Deals
From Santiago de los Caballeros to Washington, D.C. (WAS)
Search Deals
One-way flight from Santiago de los Caballeros to Washington, D.C. (WAS)
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Santiago de los Caballeros to Washington, D.C. 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 30, 2025.
Use the filters below to find and compare flights from Santiago de los Caballeros to Washington, D.C. that are best for you.

Fly from

Santiago de los Caballeros

Fly to

Washington, D.C.

Route

Depart

Return

Price

Santiago de los CaballerosBaltimore

STI - BWI

STIBWI

Santiago de los Caballeros

Sat 2/7

6:18 pm-11:54 pm

1 stop6h 36m

Baltimore/Washington

Mon 2/9

9:37 pm-5:06 pm

2 stops18h 29m

$319

Santiago de los CaballerosBaltimore

STI - BWI

STIBWI

Santiago de los Caballeros

Fri 11/21

1:17 pm-11:17 pm

1 stop11h 00m

Baltimore/Washington

Mon 11/24

5:40 am-12:22 pm

1 stop5h 42m

$344

Santiago de los CaballerosBaltimore

STI - BWI

STIBWI

Santiago de los Caballeros

Sun 12/21

3:43 am-9:35 am

1 stop6h 52m

Baltimore/Washington

Wed 1/7

6:18 pm-2:42 am

1 stop7h 24m

$361

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 CaballerosBaltimore

STI - BWI

STIBWI

Santiago de los Caballeros

Fri 1/9

6:18 pm-11:54 pm

1 stop6h 36m

Baltimore/Washington

Fri 1/23

9:37 pm-5:06 pm

2 stops18h 29m

$387

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

Fri 11/21

9:30 am-5:30 pm

1 stop9h 00m

Washington, D.C. Reagan-National

Mon 11/24

5:43 pm-3:39 am

1 stop8h 56m

$398

Santiago de los CaballerosBaltimore

STI - BWI

STIBWI

Santiago de los Caballeros

Sun 12/21

3:43 am-9:35 am

1 stop6h 52m

Baltimore/Washington

Tue 12/30

6:18 pm-2:42 am

1 stop7h 24m

$411

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

Fri 2/20

1:35 pm-10:59 pm

1 stop10h 24m

Washington, D.C. Reagan-National

Sun 2/22

6:55 pm-8:57 am

1 stop13h 02m

$470

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 47 results
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Compare providers for flights from Santiago de los Caballeros to Washington, D.C.

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 Washington, D.C. in October.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 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. 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. 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. 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. 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. 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 Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. 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.

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

Currently, August is the cheapest month in which you can book a flight from Santiago de los Caballeros to Washington, D.C. (average of $135). Flying from Santiago de los Caballeros to Washington, D.C. in March is currently the most expensive (average of $361). 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 WAS?

Find hourly flight availability from Santiago de los Caballeros to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2025.

It’s optimal to fly from Santiago de los Caballeros to Washington, D.C. in the morning. By choosing this option you can save up to 37% on the cost of your flight, compared to a flight at noon.

Related info for your journey

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

    Located just 6.8 mi from the city center, Santiago de los Caballeros is the airport most travelers will use when flying to Washington, D.C. from Santiago de los Caballeros. Booking flights from Santiago (STI) to Washington, D.C. should be relatively easy as there are 0 daily outbound flights to Washington, D.C. from 2 different airlines.

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

    For as low as $319, Spirit Airlines can have you in Washington, D.C. from Santiago de los Caballeros in 6h 36m. The distance from Santiago de los Caballeros to Washington, D.C. is about 1412 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Cheapflights users have booked flights from Santiago de los Caballeros to Washington, D.C. round-trip from $369.

  • What are the cheapest airlines to fly from Santiago de los Caballeros to Washington, D.C. one-way?

    To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $158. JetBlue flights start at $181 while deals on United Airlines start at $337 one-way.

  • What are the most popular routes from Santiago de los Caballeros to Washington, D.C.?

    While some choose either Santiago de los Caballeros - Washington, D.C. Reagan-National or Santiago de los Caballeros - Baltimore/Washington, Santiago de los Caballeros - Washington, D.C. Dulles Intl is the most popular route from Santiago de los Caballeros to Washington, D.C..

  • Can I find deals for flights from Santiago de los Caballeros to Washington, D.C. that include hotel bookings?

    Yes. In addition to deals on Santiago de los Caballeros to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Santiago de los Caballeros to Washington, D.C.?

    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 Washington, D.C..

  • Can I find deals for business class flights from Santiago de los Caballeros to Washington, D.C.?

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

    Currently, August is the cheapest month in which you can book a flight from Santiago de los Caballeros to Washington, D.C. (average of $135). Flying from Santiago de los Caballeros to Washington, D.C. in March is currently the most expensive (average of $361). 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.?

Book flights to Washington, D.C. 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

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Top 2 airlines flying from Santiago de los Caballeros to Washington, D.C.

Discover the top 2 airlines that operate flights from Santiago de los Caballeros to Washington, D.C.. 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 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$312Average$341FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$369Average$476FlexibilityNo cancel feeOn-time62%

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