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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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — STI
Dec 4 — Dec 111
Thu 12/4
Thu 12/11
1 adult, Economy
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Cheap 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 November 4, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$294
(CheapOair)

One-way from

$139
(Mytrip)

Popular in

December

Cheapest in

January

Average price

$507
Provider with most accurate pricing for Washington, D.C. (WAS)-Santiago de los Caballeros flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Santiago de los Caballeros flights.
Search Deals
From Washington, D.C. (WAS) to Santiago de los Caballeros
Search Deals
One-way flight from Washington, D.C. (WAS) to Santiago de los Caballeros
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($7 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Find 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 November 4, 2025.

This CheapOair deal was found by Cheapflights users on 11/3. 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 12/67:06 pmBWI - STI
1 stop6h 36mSpirit Airlines
Sat 12/133:43 amSTI - BWI
1 stop6h 52mSpirit Airlines
Deal found 11/3$294
This Cheapflightsfares deal was found by Cheapflights users on 11/4. 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.
Wed 11/265:40 amBWI - STI
1 stop5h 42mSpirit Airlines
Sat 12/61:01 pmSTI - BWI
1 stop6h 54mSpirit Airlines
Deal found 11/4$307
This CheapOair deal was found by Cheapflights users on 11/3. 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.
Wed 12/107:06 pmBWI - STI
1 stop6h 36mSpirit Airlines
Tue 12/233:43 amSTI - BWI
1 stop6h 52mSpirit Airlines
Deal found 11/3$326
This CheapOair deal was found by Cheapflights users on 11/4. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/265:40 amBWI - STI
1 stop5h 42mSpirit Airlines
Thu 12/43:43 amSTI - BWI
1 stop6h 52mSpirit Airlines
Deal found 11/4$327
This Cheapflightsfares deal was found by Cheapflights users on 11/2. 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.
Sun 12/77:06 pmBWI - STI
1 stop6h 36mSpirit Airlines
Sun 12/143:43 amSTI - BWI
1 stop6h 52mSpirit Airlines
Deal found 11/2$335
This Cheapflightsfares deal was found by Cheapflights users on 11/3. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/57:06 pmBWI - STI
1 stop6h 36mSpirit Airlines
Sat 12/63:43 amSTI - BWI
1 stop6h 52mSpirit Airlines
Deal found 11/3$336
This CheapOair deal was found by Cheapflights users on 11/2. 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 12/57:06 pmBWI - STI
1 stop6h 36mSpirit Airlines
Sun 12/143:43 amSTI - BWI
1 stop6h 52mSpirit Airlines
Deal found 11/2$337
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 11/235:29 pmBWI - STI
1 stop17h 53mMultiple Airlines
Mon 12/11:17 pmSTI - BWI
1 stop21h 51mMultiple Airlines
Deal found 11/2$340
This JetBlue deal was found by Cheapflights users on 11/2. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/184:55 pmDCA - STI
1 stop9h 03mJetBlue
Mon 11/245:05 amSTI - DCA
1 stop10h 54mJetBlue
Deal found 11/2$409
This JetBlue deal was found by Cheapflights users on 11/3. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/86:00 amDCA - STI
1 stop8h 38mJetBlue
Mon 12/2211:25 amSTI - DCA
1 stop12h 21mJetBlue
Deal found 11/3$419
This JetBlue deal was found by Cheapflights users on 11/2. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/236:15 amDCA - STI
1 stop12h 54mJetBlue
Fri 11/2810:46 amSTI - DCA
1 stop13h 13mJetBlue
Deal found 11/2$421
This JetBlue deal was found by Cheapflights users on 11/3. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/77:51 pmDCA - STI
1 stop12h 06mJetBlue
Fri 12/2611:25 amSTI - DCA
1 stop12h 21mJetBlue
Deal found 11/3$424

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 November 4, 2025.
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 12/7

7:06 pm-2:42 am

1 stop6h 36m

Santiago de los Caballeros

Sun 12/14

3:43 am-9:35 am

1 stop6h 52m

$335

BaltimoreSantiago de los Caballeros

BWI - STI

BWISTI

Baltimore/Washington

Fri 12/5

7:06 pm-2:42 am

1 stop6h 36m

Santiago de los Caballeros

Sat 12/6

3:43 am-9:35 am

1 stop6h 52m

$336

BaltimoreSantiago de los Caballeros

BWI - STI

BWISTI

Baltimore/Washington

Wed 11/26

5:40 am-12:22 pm

1 stop5h 42m

Santiago de los Caballeros

Thu 12/4

3:43 am-12:23 am

2 stops21h 40m

$338

BaltimoreSantiago de los Caballeros

BWI - STI

BWISTI

Baltimore/Washington

Wed 11/26

5:40 am-12:22 pm

1 stop5h 42m

Santiago de los Caballeros

Sat 12/6

1:01 pm-11:13 pm

2 stops11h 12m

$346

BaltimoreSantiago de los Caballeros

BWI - STI

BWISTI

Baltimore/Washington

Tue 12/9

7:06 pm-2:42 am

1 stop6h 36m

Santiago de los Caballeros

Tue 12/30

3:43 am-12:29 am

2 stops21h 46m

$370

BaltimoreSantiago de los Caballeros

BWI - STI

BWISTI

Baltimore/Washington

Mon 12/8

8:45 am-2:42 am

1 stop16h 57m

Santiago de los Caballeros

Tue 12/30

3:43 am-12:29 am

2 stops21h 46m

$383

Washington, D.C.Santiago de los Caballeros

DCA - STI

DCASTI

Washington, D.C. Reagan-National

Wed 3/11

6:00 am-2:15 pm

1 stop8h 15m

Santiago de los Caballeros

Mon 3/16

6:00 am-5:59 pm

1 stop11h 59m

$412

Washington, D.C.Santiago de los Caballeros

DCA - STI

DCASTI

Washington, D.C. Reagan-National

Wed 3/18

7:55 pm-3:55 am

1 stop8h 00m

Santiago de los Caballeros

Mon 3/23

6:00 am-3:59 pm

1 stop9h 59m

$412

Washington, D.C.Santiago de los Caballeros

DCA - STI

DCASTI

Washington, D.C. Reagan-National

Mon 12/8

6:00 am-3:38 pm

1 stop8h 38m

Santiago de los Caballeros

Thu 12/25

11:25 am-6:35 pm

1 stop8h 10m

$419

Washington, D.C.Santiago de los Caballeros

DCA - STI

DCASTI

Washington, D.C. Reagan-National

Mon 12/8

6:00 am-3:38 pm

1 stop8h 38m

Santiago de los Caballeros

Wed 12/24

11:25 am-10:46 pm

1 stop12h 21m

$419

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/4

Showing 1-10 of 44 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 November.
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 May is currently the most expensive (average of $346). 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 WAS to STI?

Find hourly flight availability from Washington, D.C. to Santiago de los Caballeros. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 4, 2025.

A simple way to save on the total cost of your ticket is to fly from Washington, D.C. to Santiago de los Caballeros at noon. If you’re flexible enough to do this you can expect to save up to 29% on your trip compared to booking a flight in the afternoon.

What is the cheapest day to fly from Washington, D.C. to Santiago de los Caballeros?

Use this chart to determine the cheapest time to fly round-trip from Washington, D.C. to Santiago de los Caballeros. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Washington, D.C. to Santiago de los Caballeros flight should consider departing on Friday at noon when fares are most often at their lowest. Tuesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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

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 November 4, 2025.
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.
Delta
7.9
Good
8,003 reviews

Boarding

8.2

Overall

7.9

Comfort

7.9

Entertainment

7.9

Crew

8.5

Food

7.3

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.
Delta
7.9
Good
8,003 reviews
Delta
7.9
Good
8,003 reviews

Boarding

8.2

Overall

7.9

Comfort

7.9

Entertainment

7.9

Crew

8.5

Food

7.3

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.
United Airlines
7.4
Good
9,002 reviews
Delta
7.9
Good
8,003 reviews

Boarding

8.2

Overall

7.9

Comfort

7.9

Entertainment

7.9

Crew

8.5

Food

7.3

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.
American Airlines
7.2
Good
11,040 reviews
Delta
7.9
Good
8,003 reviews

Boarding

8.2

Overall

7.9

Comfort

7.9

Entertainment

7.9

Crew

8.5

Food

7.3

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.
JetBlue
7.2
Good
2,908 reviews
Delta
7.9
Good
8,003 reviews

Boarding

8.2

Overall

7.9

Comfort

7.9

Entertainment

7.9

Crew

8.5

Food

7.3

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.
Spirit Airlines
6.3
Okay
8,113 reviews
Delta
7.9
Good
8,003 reviews

Boarding

8.2

Overall

7.9

Comfort

7.9

Entertainment

7.9

Crew

8.5

Food

7.3

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 6h 36m. Your travel time can differ by up to 6h 02m. 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 ($426), Delta ($483), and American Airlines ($484) offers the cheapest pricing from Washington, D.C. to Santiago de los Caballeros. JetBlue is priced at 24% lower than the current average price of a flight leaving 3 months from now.

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

    Most travelers choose Washington, D.C. Dulles Intl - Santiago de los Caballeros, Baltimore/Washington - Santiago de los Caballeros or Washington, D.C. Reagan-National - Santiago de los Caballeros when deciding on the best route 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 May is currently the most expensive (average of $346). 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 November 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$322Average$475FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$426Average$530FlexibilityNo cancel feeOn-time62%
DeltaCheapest$483Average$599FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$484Average$634FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$488Average$707FlexibilityNo cancel feeOn-time69%

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