Santiago de los Caballeros

$181+ 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 7/23. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — STI
Jun 21 — Jun 281
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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 May 22, 2026.

This Super.com deal was found by Cheapflights users on 5/17. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/167:59 am
DCA
-
STI
1 stop6h 46m
JetBlue
Tue 9/223:55 pm
STI
-
DCA
1 stop7h 45m
JetBlue
Deal found 5/17$363
This Super.com deal was found by Cheapflights users on 5/20. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/254:00 pm
BWI
-
STI
1 stop7h 51m
JetBlue
Tue 9/293:55 pm
STI
-
BWI
1 stop7h 32m
JetBlue
Deal found 5/20$364
This Super.com deal was found by Cheapflights users on 5/18. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/47:59 am
DCA
-
STI
1 stop6h 46m
JetBlue
Sun 10/183:55 pm
STI
-
DCA
1 stop7h 45m
JetBlue
Deal found 5/18$365
This SmartFares deal was found by Cheapflights users on 5/20. 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.
Tue 8/254:00 pm
BWI
-
STI
1 stop7h 51m
JetBlue
Sun 9/133:55 pm
STI
-
BWI
1 stop7h 32m
JetBlue
Deal found 5/20$369
This Cheapflightsfares deal was found by Cheapflights users on 5/21. 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 8/104:00 pm
BWI
-
STI
1 stop7h 51m
JetBlue
Thu 8/135:01 am
STI
-
BWI
1 stop9h 57m
JetBlue
Deal found 5/21$379
This Cheapflightsfares deal was found by Cheapflights users on 5/20. 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 9/234:10 pm
DCA
-
STI
1 stop7h 41m
JetBlue
Mon 9/283:55 pm
STI
-
DCA
1 stop7h 45m
JetBlue
Deal found 5/20$381
This JetBlue deal was found by Cheapflights users on 5/20. 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 10/207:59 am
DCA
-
STI
1 stop6h 46m
JetBlue
Thu 10/223:55 pm
STI
-
DCA
1 stop7h 45m
JetBlue
Deal found 5/20$386
This Super.com deal was found by Cheapflights users on 5/21. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/164:00 pm
BWI
-
STI
1 stop7h 51m
JetBlue
Tue 9/225:01 am
STI
-
BWI
1 stop9h 57m
JetBlue
Deal found 5/21$396
This SmartFares deal was found by Cheapflights users on 5/19. 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.
Sat 9/124:00 pm
BWI
-
STI
1 stop7h 51m
JetBlue
Sun 9/273:55 pm
STI
-
BWI
1 stop7h 32m
JetBlue
Deal found 5/19$401
This Cheapflightsfares deal was found by Cheapflights users on 5/20. 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 9/238:00 am
BWI
-
STI
1 stop6h 45m
JetBlue
Mon 9/283:55 pm
STI
-
BWI
1 stop7h 32m
JetBlue
Deal found 5/20$411
This JetBlue deal was found by Cheapflights users on 5/17. 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.
Mon 9/284:00 pm
BWI
-
STI
1 stop7h 51m
JetBlue
Thu 10/15:01 am
STI
-
BWI
1 stop9h 57m
JetBlue
Deal found 5/17$416
This Super.com deal was found by Cheapflights users on 5/21. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/108:25 am
DCA
-
STI
1 stop6h 11m
JetBlue
Thu 8/135:01 am
STI
-
DCA
1 stop9h 39m
JetBlue
Deal found 5/21$425

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 May 22, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$363
(Super.com)

One-way from

$181
(SmartFares)

Popular in

December

Cheapest in

October

Average price

$580
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. 5% potential increase in price ($29 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Average for round-trip flights in May 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 May 22, 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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Santiago de los Caballeros

DCA - STI

DCASTI

Washington, D.C. Reagan-National

Tue 10/20

7:59 am-2:45 pm

1 stop6h 46m

Santiago de los Caballeros

Thu 10/22

3:55 pm-11:40 pm

1 stop7h 45m

$386

BaltimoreSantiago de los Caballeros

BWI - STI

BWISTI

Baltimore/Washington

Mon 9/28

4:00 pm-11:51 pm

1 stop7h 51m

Santiago de los Caballeros

Thu 10/1

5:01 am-2:58 pm

1 stop9h 57m

$416

BaltimoreSantiago de los Caballeros

BWI - STI

BWISTI

Baltimore/Washington

Tue 10/20

8:00 am-2:45 pm

1 stop6h 45m

Santiago de los Caballeros

Thu 10/22

5:01 am-2:58 pm

1 stop9h 57m

$416

Washington, D.C.Santiago de los Caballeros

DCA - STI

DCASTI

Washington, D.C. Reagan-National

Wed 6/3

7:00 pm-1:54 am

1 stop6h 54m

Santiago de los Caballeros

Wed 6/10

7:31 am-4:19 pm

1 stop8h 48m

$444

Washington, D.C.Santiago de los Caballeros

DCA - STI

DCASTI

Washington, D.C. Reagan-National

Sat 9/26

7:59 am-2:45 pm

1 stop6h 46m

Santiago de los Caballeros

Sat 10/10

3:55 pm-11:40 pm

1 stop7h 45m

$444

Washington, D.C.Santiago de los Caballeros

DCA - STI

DCASTI

Washington, D.C. Reagan-National

Sun 8/30

8:25 am-2:36 pm

1 stop6h 11m

Santiago de los Caballeros

Wed 9/2

5:01 am-2:40 pm

1 stop9h 39m

$444

Washington, D.C.Santiago de los Caballeros

DCA - STI

DCASTI

Washington, D.C. Reagan-National

Wed 9/16

7:59 am-2:45 pm

1 stop6h 46m

Santiago de los Caballeros

Tue 9/22

5:01 am-2:58 pm

1 stop9h 57m

$447

Washington, D.C.Santiago de los Caballeros

DCA - STI

DCASTI

Washington, D.C. Reagan-National

Thu 6/4

6:00 am-7:44 pm

1 stop13h 44m

Santiago de los Caballeros

Tue 6/9

7:31 am-4:19 pm

1 stop8h 48m

$475

Washington, D.C.Santiago de los Caballeros

DCA - STI

DCASTI

Washington, D.C. Reagan-National

Thu 6/4

6:00 am-7:44 pm

1 stop13h 44m

Santiago de los Caballeros

Wed 6/10

7:31 am-4:19 pm

1 stop8h 48m

$475

Washington, D.C.Santiago de los Caballeros

DCA - STI

DCASTI

Washington, D.C. Reagan-National

Wed 7/8

1:44 pm-9:29 pm

1 stop7h 45m

Santiago de los Caballeros

Tue 7/28

9:00 am-8:59 pm

1 stop11h 59m

$540

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/20

Showing 1-10 of 57 resultsSorted by cheapest first
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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 May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C.-Santiago de los Caballeros flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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, September is the cheapest month in which you can book a flight from Washington, D.C. to Santiago de los Caballeros (average of $153). Flying from Washington, D.C. to Santiago de los Caballeros in July is currently the most expensive (average of $427). 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.

How much does it cost to fly round-trip from Washington, D.C. to Santiago de los Caballeros?

How far ahead should I book a flight from Washington, D.C. to Santiago de los Caballeros?

Booking 76 days in advance of your planned departure date is, on average, the best time to get cheap flights from Washington, D.C. to Santiago de los Caballeros. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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 May 22, 2026.
Peruse reviews from past customers who have flown with Delta,United Airlines, andJetBlue 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.

Crew

8.5

Entertainment

7.8

Food

7.2

Boarding

8.1

Overall

7.9

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Crew

8.5

Entertainment

7.8

Food

7.2

Boarding

8.1

Overall

7.9

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Crew

8.5

Entertainment

7.8

Food

7.2

Boarding

8.1

Overall

7.9

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Crew

8.5

Entertainment

7.8

Food

7.2

Boarding

8.1

Overall

7.9

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Crew

8.5

Entertainment

7.8

Food

7.2

Boarding

8.1

Overall

7.9

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Spirit Airlines
6.2
Okay

Crew

8.5

Entertainment

7.8

Food

7.2

Boarding

8.1

Overall

7.9

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

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 4 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?

    JetBlue, Copa Airlines, and Delta can get you from Washington, D.C. to Santiago de los Caballeros in just under 6h 46m. Your travel time can differ by up to 15h 35m. The distance from Washington, D.C. to Santiago de los Caballeros is about 1397 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 ($362), United Airlines ($467), and American Airlines ($484) offers the cheapest pricing from Washington, D.C. to Santiago de los Caballeros. JetBlue is priced at 35% 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 $286 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, September is the cheapest month in which you can book a flight from Washington, D.C. to Santiago de los Caballeros (average of $153). Flying from Washington, D.C. to Santiago de los Caballeros in July is currently the most expensive (average of $427). 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.

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Alternative routes for Washington, D.C. to Santiago de los Caballeros

See prices for flight routes from nearby airports that may be better suited for you.

Top 4 airlines flying from Washington, D.C. to Santiago de los Caballeros

Discover the top 4 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 May 22, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$311Average$398FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$362Average$503FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$467Average$650FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$484Average$622FlexibilityNo cancel feeOn-time71%

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