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Washington, D.C.

$172+ 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 1/26. Fares are subject to change and may not be available on all flights or dates of travel.
STI — WAS
Jan 27 — Feb 31
Tue 1/27
Tue 2/3
1 adult, Economy
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Cheap flight deals from Santiago de los Caballeros to Washington, D.C.

Best flights from Santiago de los Caballeros to Washington, D.C.
Discover carefully curated flight deals from Santiago de los Caballeros to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 28, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 12/26. 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 2/184:40 pmSTI - BWI
1 stop7h 51mSpirit Airlines
Wed 2/256:20 amBWI - STI
1 stop8h 15mSpirit Airlines
Deal found 12/26$299
This JetBlue deal was found by Cheapflights users on 12/26. 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 1/309:33 amSTI - DCA
1 stop9h 27mJetBlue
Mon 2/26:00 amDCA - STI
1 stop13h 20mJetBlue
Deal found 12/26$375
This Kiwi.com deal was found by Cheapflights users on 12/26. 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.
Tue 1/63:43 amSTI - BWI
2 stops19h 13mMultiple Airlines
Wed 1/141:00 pmBWI - STI
1 stop25h 33mMultiple Airlines
Deal found 12/26$385
This Copa Airlines deal was found by Cheapflights users on 12/26. 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.
Sat 2/73:51 pmSTI - IAD
1 stop8h 41mCopa Airlines
Sun 2/81:18 amIAD - STI
1 stop12h 38mCopa Airlines
Deal found 12/26$488
This Delta deal was found by Cheapflights users on 12/26. 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.
Wed 2/186:39 amSTI - BWI
2 stops18h 56mDelta
Wed 2/258:20 amBWI - STI
2 stops16h 14mDelta
Deal found 12/26$497
This American Airlines deal was found by Cheapflights users on 12/26. 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 2/182:33 pmSTI - IAD
2 stops19h 10mAmerican Airlines
Wed 2/257:05 amIAD - STI
2 stops14h 00mAmerican Airlines
Deal found 12/26$521
This United Airlines deal was found by Cheapflights users on 12/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/304:00 pmSTI - IAD
1 stop8h 18mUnited Airlines
Mon 2/26:00 amIAD - STI
1 stop7h 53mUnited Airlines
Deal found 12/25$569
This Cheapflightsfares deal was found by Cheapflights users on 12/26. 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 2/74:40 pmSTI - BWI
1 stop16h 51mSpirit Airlines
Mon 2/96:20 amBWI - STI
1 stop8h 13mSpirit Airlines
Deal found 12/26$311
This Cheapflightsfares deal was found by Cheapflights users on 12/26. 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 1/63:43 amSTI - BWI
1 stop6h 52mSpirit Airlines
Wed 1/146:20 amBWI - STI
1 stop8h 13mSpirit Airlines
Deal found 12/26$370
This Delta deal was found by Cheapflights users on 12/26. 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.
Wed 2/189:59 pmSTI - IAD
1 stop14h 45mDelta
Wed 2/2512:24 pmIAD - STI
1 stop7h 10mDelta
Deal found 12/26$497
This American Airlines deal was found by Cheapflights users on 12/25. 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 53mAmerican Airlines
Mon 2/97:59 pmDCA - STI
1 stop18h 51mAmerican Airlines
Deal found 12/25$555
This Delta deal was found by Cheapflights users on 12/25. 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 stop17h 15mDelta
Mon 2/96:00 amDCA - STI
1 stop13h 34mDelta
Deal found 12/25$521
This Delta deal was found by Cheapflights users on 12/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/76:38 amSTI - IAD
1 stop13h 31mDelta
Mon 2/912:23 pmIAD - STI
1 stop11h 27mDelta
Deal found 12/27$521

Find 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 December 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$299
(Cheapflightsfares)

One-way from

$172
(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)
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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 December 28, 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

Wed 2/18

4:40 pm-11:31 pm

1 stop7h 51m

Baltimore/Washington

Wed 2/25

6:20 am-3:35 pm

1 stop8h 15m

$299

Santiago de los CaballerosBaltimore

STI - BWI

STIBWI

Santiago de los Caballeros

Sat 2/7

4:40 pm-8:31 am

1 stop16h 51m

Baltimore/Washington

Mon 2/9

6:20 am-3:33 pm

1 stop8h 13m

$311

Santiago de los CaballerosBaltimore

STI - BWI

STIBWI

Santiago de los Caballeros

Tue 1/6

3:43 am-9:35 am

1 stop6h 52m

Baltimore/Washington

Wed 1/14

6:20 am-3:33 pm

1 stop8h 13m

$370

Santiago de los CaballerosWashington, D.C.

STI - DCA

STIDCA

Santiago de los Caballeros

Fri 1/30

9:33 am-6:00 pm

1 stop9h 27m

Washington, D.C. Reagan-National

Mon 2/2

6:00 am-8:20 pm

1 stop13h 20m

$375

Santiago de los CaballerosBaltimore

STI - BWI

STIBWI

Santiago de los Caballeros

Tue 1/6

3:43 am-9:56 pm

2 stops19h 13m

Baltimore/Washington

Wed 1/14

1:00 pm-3:33 pm

1 stop25h 33m

$385

Santiago de los CaballerosWashington, D.C.

STI - IAD

STIIAD

Santiago de los Caballeros

Sat 2/7

3:51 pm-11:32 pm

1 stop8h 41m

Washington, D.C. Dulles Intl

Sun 2/8

1:18 am-2:56 pm

1 stop12h 38m

$488

Santiago de los CaballerosBaltimore

STI - BWI

STIBWI

Santiago de los Caballeros

Wed 2/18

6:39 am-12:35 am

2 stops18h 56m

Baltimore/Washington

Wed 2/25

8:20 am-1:34 am

2 stops16h 14m

$497

Santiago de los CaballerosWashington, D.C.

STI - IAD

STIIAD

Santiago de los Caballeros

Wed 2/18

9:59 pm-11:44 am

1 stop14h 45m

Washington, D.C. Dulles Intl

Wed 2/25

12:24 pm-8:34 pm

1 stop7h 10m

$497

Santiago de los CaballerosWashington, D.C.

STI - IAD

STIIAD

Santiago de los Caballeros

Wed 2/18

2:33 pm-8:43 am

2 stops19h 10m

Washington, D.C. Dulles Intl

Wed 2/25

7:05 am-10:05 pm

2 stops14h 00m

$521

Santiago de los CaballerosWashington, D.C.

STI - DCA

STIDCA

Santiago de los Caballeros

Sat 2/7

6:38 am-10:53 pm

1 stop17h 15m

Washington, D.C. Reagan-National

Mon 2/9

6:00 am-8:34 pm

1 stop13h 34m

$521

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/27

Showing 1-10 of 31 results
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  • 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 $341). 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 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 $299, Spirit Airlines can have you in Washington, D.C. from Santiago de los Caballeros in 7h 51m. 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 JetBlue, which is currently one of the cheapest options available, starting at $211. American Airlines flights start at $332 while deals on United Airlines start at $359 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. Dulles Intl or Santiago de los Caballeros - Washington, D.C. Reagan-National, Santiago de los Caballeros - Baltimore/Washington 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 $341). 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
Owings Mills
Springfield
Hanover
Silver Spring
Fredericksburg
Linthicum Heights
Rockville
Laurel
Towson
Manassas
National Harbor
Bowie
Largo
McLean
Clinton
Cordova

Browse thousands of different options on Cheapflights for your next trip

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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 December 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$312Average$341FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$369Average$505FlexibilityNo cancel feeOn-time62%

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