Santiago de los Caballeros

$139+ Cheap flights from Washington, D.C. (WAS) to Santiago de los Caballeros (STI)

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 1/22. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — STI
Feb 3 — Feb 101
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Find cheap flights from Washington, D.C. to Santiago de los Caballeros with Cheapflights

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

Cheapest flights from Washington, D.C. to Santiago de los Caballeros
Explore the most affordable flight options available from Washington, D.C. to Santiago de los Caballeros. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 4, 2026.

This Cheapflightsfares deal was found by Cheapflights users on 1/4. 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 2/156:20 amBWI - STI
1 stop8h 15mSpirit Airlines
Sat 2/214:40 pmSTI - BWI
1 stop7h 51mSpirit Airlines
Deal found 1/4$298
This Cheapflightsfares deal was found by Cheapflights users on 1/2. 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.
Thu 2/56:20 amBWI - STI
1 stop8h 13mSpirit Airlines
Mon 2/94:40 pmSTI - BWI
1 stop7h 56mSpirit Airlines
Deal found 1/2$318
This FlightHub deal was found by Cheapflights users on 1/3. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/196:20 amBWI - STI
1 stop8h 15mSpirit Airlines
Tue 2/244:40 pmSTI - BWI
1 stop7h 51mSpirit Airlines
Deal found 1/3$319
This CheapOair deal was found by Cheapflights users on 1/3. 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.
Sat 1/316:20 amBWI - STI
1 stop8h 13mSpirit Airlines
Sat 2/74:40 pmSTI - BWI
1 stop7h 56mSpirit Airlines
Deal found 1/3$320
This Cheapflightsfares deal was found by Cheapflights users on 1/2. 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.
Mon 2/96:20 amBWI - STI
1 stop8h 13mSpirit Airlines
Wed 2/184:40 pmSTI - BWI
1 stop17h 26mSpirit Airlines
Deal found 1/2$323
This Kiwi.com deal was found by Cheapflights users on 1/2. 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.
Fri 2/209:04 pmBWI - STI
1 stop17h 31mMultiple Airlines
Tue 2/244:40 pmSTI - BWI
1 stop7h 51mMultiple Airlines
Deal found 1/2$335
This Expedia deal was found by Cheapflights users on 1/3. 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.
Tue 1/136:20 amBWI - STI
1 stop8h 13mSpirit Airlines
Sat 1/174:40 pmSTI - BWI
1 stop7h 56mSpirit Airlines
Deal found 1/3$339
This CheapOair deal was found by Cheapflights users on 1/2. 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.
Mon 2/96:15 amDCA - STI
1 stop27h 47mJetBlue
Wed 2/189:29 amSTI - DCA
1 stop9h 30mJetBlue
Deal found 1/2$342
This Kiwi.com deal was found by Cheapflights users on 1/2. 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 2/159:04 pmBWI - STI
1 stop17h 31mMultiple Airlines
Wed 2/254:40 pmSTI - BWI
2 stops16h 44mMultiple Airlines
Deal found 1/2$343
This CheapOair deal was found by Cheapflights users on 1/2. 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.
Fri 1/96:20 amBWI - STI
1 stop8h 13mSpirit Airlines
Wed 2/254:40 pmSTI - BWI
1 stop7h 51mSpirit Airlines
Deal found 1/2$348
This Expedia deal was found by Cheapflights users on 1/4. 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.
Tue 2/176:55 pmDCA - STI
1 stop13h 03mJetBlue
Tue 2/249:29 amSTI - DCA
1 stop9h 31mJetBlue
Deal found 1/4$352
This Kiwi.com deal was found by Cheapflights users on 1/4. 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 2/176:00 amBWI - STI
2 stops32h 35mMultiple Airlines
Tue 2/244:40 pmSTI - BWI
1 stop7h 51mMultiple Airlines
Deal found 1/4$354

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

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) to Santiago de los Caballeros (STI). 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 January 4, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$298
(Cheapflightsfares)

One-way from

$139
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$504
Provider with most accurate pricing for Washington, D.C. (WAS)-Santiago de los Caballeros flight deals.
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Santiago de los Caballeros flights.
From Washington, D.C. (WAS) to Santiago de los Caballeros
One-way flight from Washington, D.C. (WAS) to Santiago de los Caballeros
Highest demand for flights based on searches. 2% potential increase in price ($13 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
Average for round-trip flights in January 2026

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to Santiago de los Caballeros 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 January 4, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Santiago de los Caballeros that are best for you.

Fly from

Washington, D.C.

Fly to

Santiago de los Caballeros

Route

Depart

Return

Price

BaltimoreSantiago de los Caballeros

BWI - STI

BWISTI

Baltimore/Washington

Sun 2/15

6:20 am-3:35 pm

1 stop8h 15m

Santiago de los Caballeros

Sat 2/21

4:40 pm-11:31 pm

1 stop7h 51m

$298

BaltimoreSantiago de los Caballeros

BWI - STI

BWISTI

Baltimore/Washington

Thu 2/5

6:20 am-3:33 pm

1 stop8h 13m

Santiago de los Caballeros

Mon 2/9

4:40 pm-11:36 pm

1 stop7h 56m

$318

BaltimoreSantiago de los Caballeros

BWI - STI

BWISTI

Baltimore/Washington

Thu 2/19

6:20 am-3:35 pm

1 stop8h 15m

Santiago de los Caballeros

Tue 2/24

4:40 pm-11:31 pm

1 stop7h 51m

$319

BaltimoreSantiago de los Caballeros

BWI - STI

BWISTI

Baltimore/Washington

Sat 1/31

6:20 am-3:33 pm

1 stop8h 13m

Santiago de los Caballeros

Sat 2/7

4:40 pm-11:36 pm

1 stop7h 56m

$320

Washington, D.C.Santiago de los Caballeros

DCA - STI

DCASTI

Washington, D.C. Reagan-National

Tue 2/17

6:55 pm-8:58 am

1 stop13h 03m

Santiago de los Caballeros

Tue 2/24

9:29 am-6:00 pm

1 stop9h 31m

$352

BaltimoreSantiago de los Caballeros

BWI - STI

BWISTI

Baltimore/Washington

Tue 2/17

6:00 am-3:35 pm

2 stops32h 35m

Santiago de los Caballeros

Tue 2/24

4:40 pm-11:31 pm

1 stop7h 51m

$354

Washington, D.C.Santiago de los Caballeros

DCA - STI

DCASTI

Washington, D.C. Reagan-National

Sat 1/31

3:55 pm-10:37 am

1 stop17h 42m

Santiago de los Caballeros

Sat 2/7

12:12 pm-7:53 pm

1 stop8h 41m

$356

Washington, D.C.Santiago de los Caballeros

DCA - STI

DCASTI

Washington, D.C. Reagan-National

Mon 2/9

5:20 pm-11:02 am

2 stops16h 42m

Santiago de los Caballeros

Wed 2/18

9:29 am-5:59 pm

1 stop9h 30m

$358

Washington, D.C.Santiago de los Caballeros

DCA - STI

DCASTI

Washington, D.C. Reagan-National

Thu 5/14

6:00 am-10:26 pm

1 stop16h 26m

Santiago de los Caballeros

Tue 5/19

8:31 am-7:00 pm

1 stop10h 29m

$363

Washington, D.C.Santiago de los Caballeros

DCA - STI

DCASTI

Washington, D.C. Reagan-National

Mon 2/2

6:00 am-8:20 pm

1 stop13h 20m

Santiago de los Caballeros

Thu 2/5

12:12 pm-7:18 pm

1 stop8h 06m

$365

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/3

Showing 1-10 of 51 results
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Compare providers for flights from Washington, D.C. to Santiago de los Caballeros

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 Washington, D.C. to Santiago de los Caballeros in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice 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 Washington, D.C.-Santiago de los Caballeros flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Washington, D.C.-Santiago de los Caballeros flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Washington, D.C.-Santiago de los Caballeros flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C.-Santiago de los Caballeros 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 Washington, D.C.-Santiago de los Caballeros 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 Washington, D.C. to Santiago de los Caballeros

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

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

Currently, August is the cheapest month in which you can book a flight from Washington, D.C. to Santiago de los Caballeros (average of $214). Flying from Washington, D.C. to Santiago de los Caballeros in October is currently the most expensive (average of $340). 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 Santiago de los Caballeros

Get insights into the airlines that provide service to Santiago de los Caballeros. 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 Santiago de los Caballeros. Reviews last updated January 4, 2026.
Peruse reviews from past customers who have flown with Delta, United Airlines, and American Airlines from Washington, D.C. to Santiago de los Caballeros 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.

Food

7.2

Overall

7.9

Entertainment

7.8

Comfort

7.9

Crew

8.5

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Food

7.2

Overall

7.9

Entertainment

7.8

Comfort

7.9

Crew

8.5

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Food

7.2

Overall

7.9

Entertainment

7.8

Comfort

7.9

Crew

8.5

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Food

7.2

Overall

7.9

Entertainment

7.8

Comfort

7.9

Crew

8.5

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Food

7.2

Overall

7.9

Entertainment

7.8

Comfort

7.9

Crew

8.5

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Food

7.2

Overall

7.9

Entertainment

7.8

Comfort

7.9

Crew

8.5

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

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

    Santiago de los Caballeros (STI) is the airport you will fly into if you book a flight from Washington, D.C. to Santiago de los Caballeros. You should not have trouble finding flights to Santiago from Washington, D.C.; the airport handles an average of 0 inbound flights from Washington, D.C. per day. You should also have plenty of airline options to choose from since 5 airlines have flights to the Santiago de los Caballeros airport from Washington, D.C.. It is only a 6.8 mi journey from Santiago (STI) to Santiago de los Caballeros’s city center.

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

    Spirit Airlines, JetBlue, and Copa Airlines can get you from Washington, D.C. to Santiago de los Caballeros in just under 8h 15m. Your travel time can differ by up to 4h 48m. The distance from Washington, D.C. to Santiago de los Caballeros is about 1412 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Washington, D.C. to Santiago de los Caballeros round-trip?

    According to our current data, JetBlue ($417), United Airlines ($467), and American Airlines ($484) offers the cheapest pricing from Washington, D.C. to Santiago de los Caballeros. JetBlue is priced at 25% lower than the current average price of a flight leaving 3 months from now.

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

    For one-way options, check prices for JetBlue. According to our data, you can fly for as low as $232. Users have also found prices from $280 and $280 on American Airlines and Delta, respectively.

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

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Washington, D.C. to Santiago de los Caballeros (average of $214). Flying from Washington, D.C. to Santiago de los Caballeros in October is currently the most expensive (average of $340). 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

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Top 5 airlines flying from Washington, D.C. to Santiago de los Caballeros

Discover the top 5 airlines that operate flights from Washington, D.C. to Santiago de los Caballeros. 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 January 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$315Average$420FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$417Average$551FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$467Average$681FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$476Average$649FlexibilityNo cancel feeOn-time71%
DeltaCheapest$483Average$599FlexibilityNo cancel feeOn-timeN/A

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