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$175+ 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 3/25. Fares are subject to change and may not be available on all flights or dates of travel.
STI — WAS
Mar 8 — Mar 151
Sat 3/8
Sat 3/15
1 adult, Economy
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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 March 3, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$385
(Kiwi.com)

One-way from

$175
(eDestinos)

Popular in

December

Cheapest in

April

Average price

$524
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
Highest demand for flights based on searches. 22% potential increase in price ($176 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 13% potential price decrease ($75 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2025
Search Deals

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 March 3, 2025.

This Kiwi.com deal was found by Cheapflights users on 3/2. 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.
Thu 4/243:51 pmSTI - BWI
1 stop6h 59mMultiple Airlines
Mon 4/286:20 amBWI - STI
1 stop9h 40mMultiple Airlines
Deal found 3/2$385
This Priceline deal was found by Cheapflights users on 3/2. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/243:51 pmSTI - BWI
1 stop9h 05mSpirit Airlines
Mon 4/287:40 pmBWI - STI
2 stops19h 06mSpirit Airlines
Deal found 3/2$396
This Delta deal was found by Cheapflights users on 3/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/171:24 pmSTI - DCA
1 stop9h 21mDelta
Mon 4/214:31 pmDCA - STI
1 stop7h 56mDelta
Deal found 3/2$494
This United Airlines deal was found by Cheapflights users on 3/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/172:07 pmSTI - BWI
2 stops21h 37mUnited Airlines
Sat 5/246:20 amBWI - STI
2 stops32h 52mUnited Airlines
Deal found 3/3$558
This United Airlines deal was found by Cheapflights users on 3/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/76:00 amSTI - DCA
1 stop9h 25mUnited Airlines
Wed 3/126:00 amDCA - STI
1 stop7h 53mUnited Airlines
Deal found 3/2$603
This JetBlue deal was found by Cheapflights users on 3/2. 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.
Thu 7/1010:00 amSTI - DCA
1 stop12h 59mJetBlue
Sun 7/276:59 amDCA - STI
1 stop13h 46mJetBlue
Deal found 3/2$611
This Booking.com deal was found by Cheapflights users on 3/2. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/116:42 pmSTI - BWI
1 stop15h 42mFrontier
Sat 7/2611:24 amBWI - STI
1 stop6h 08mFrontier
Deal found 3/2$620
This American Airlines deal was found by Cheapflights users on 3/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/173:16 pmSTI - DCA
2 stops20h 30mAmerican Airlines
Tue 4/224:39 pmDCA - STI
1 stop21h 47mAmerican Airlines
Deal found 3/2$665
This American Airlines deal was found by Cheapflights users on 3/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/13:16 pmSTI - BWI
1 stop8h 21mAmerican Airlines
Thu 7/246:03 amBWI - STI
1 stop15h 02mAmerican Airlines
Deal found 3/2$686
This United Airlines deal was found by Cheapflights users on 3/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/712:49 pmSTI - IAD
1 stop8h 23mUnited Airlines
Wed 3/126:00 amIAD - STI
1 stop7h 53mUnited Airlines
Deal found 3/2$703
This American Airlines deal was found by Cheapflights users on 3/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/173:25 pmSTI - IAD
2 stops17h 13mAmerican Airlines
Sat 5/248:06 pmIAD - STI
2 stops18h 54mAmerican Airlines
Deal found 3/3$717
This Delta deal was found by Cheapflights users on 3/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/176:10 amSTI - IAD
1 stop13h 43mDelta
Tue 4/2212:11 pmIAD - STI
1 stop6h 30mDelta
Deal found 3/2$733

Find flights from Santiago de los Caballeros to Washington, D.C. within your budget

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 March 3, 2025.

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

Thu 4/24

3:51 pm-10:50 pm

1 stop6h 59m

Baltimore/Washington

Mon 4/28

6:20 am-4:00 pm

1 stop9h 40m

$385

Santiago de los CaballerosBaltimore

STI - BWI

STIBWI

Santiago de los Caballeros

Thu 4/24

3:51 pm-12:56 am

1 stop9h 05m

Baltimore/Washington

Mon 4/28

7:40 pm-2:46 pm

2 stops19h 06m

$396

Santiago de los CaballerosWashington, D.C.

STI - DCA

STIDCA

Santiago de los Caballeros

Thu 4/17

1:24 pm-10:45 pm

1 stop9h 21m

Washington, D.C. Reagan-National

Mon 4/21

4:31 pm-12:27 am

1 stop7h 56m

$494

Santiago de los CaballerosBaltimore

STI - BWI

STIBWI

Santiago de los Caballeros

Sat 5/17

2:07 pm-11:44 am

2 stops21h 37m

Baltimore/Washington

Sat 5/24

6:20 am-3:12 pm

2 stops32h 52m

$558

Santiago de los CaballerosWashington, D.C.

STI - DCA

STIDCA

Santiago de los Caballeros

Thu 7/10

10:00 am-10:59 pm

1 stop12h 59m

Washington, D.C. Reagan-National

Sun 7/27

6:59 am-8:45 pm

1 stop13h 46m

$611

Santiago de los CaballerosBaltimore

STI - BWI

STIBWI

Santiago de los Caballeros

Fri 7/11

6:42 pm-10:24 am

1 stop15h 42m

Baltimore/Washington

Sat 7/26

11:24 am-5:32 pm

1 stop6h 08m

$620

Santiago de los CaballerosWashington, D.C.

STI - DCA

STIDCA

Santiago de los Caballeros

Thu 4/17

3:16 pm-11:46 am

2 stops20h 30m

Washington, D.C. Reagan-National

Tue 4/22

4:39 pm-2:26 pm

1 stop21h 47m

$665

Santiago de los CaballerosBaltimore

STI - BWI

STIBWI

Santiago de los Caballeros

Thu 5/1

3:16 pm-11:37 pm

1 stop8h 21m

Baltimore/Washington

Thu 7/24

6:03 am-9:05 pm

1 stop15h 02m

$686

Santiago de los CaballerosWashington, D.C.

STI - IAD

STIIAD

Santiago de los Caballeros

Thu 7/10

2:07 pm-10:23 pm

1 stop8h 16m

Washington, D.C. Dulles Intl

Sun 7/27

6:15 am-12:57 pm

1 stop6h 42m

$709

Santiago de los CaballerosWashington, D.C.

STI - IAD

STIIAD

Santiago de los Caballeros

Sat 5/17

3:25 pm-8:38 am

2 stops17h 13m

Washington, D.C. Dulles Intl

Sat 5/24

8:06 pm-3:00 pm

2 stops18h 54m

$717

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/2

Showing 1-10 of 22 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 March.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice 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 Santiago de los Caballeros-Washington, D.C. flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Santiago de los Caballeros-Washington, D.C. flight deals on Cheapflights vs. FlightHub >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 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 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.

Travel insights for flights from Santiago de los Caballeros to Washington, D.C.

Get recent, data-driven insights about flights from Santiago de los Caballeros to Washington, D.C. including ideal travel times, pricing trends, and more.

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 $309). Flying from Santiago de los Caballeros to Washington, D.C. in June is currently the most expensive (average of $389). 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 March 3, 2025.

It’s optimal to fly from Santiago de los Caballeros to Washington, D.C. in the afternoon. By choosing this option you can save up to 42% on the cost of your flight, compared to a flight at noon.

Rainfall in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. when rainfall is around 2.6 in.

Temperature in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C., use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Washington, D.C.

Get insights into the airlines that provide service to Washington, D.C.. 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 Washington, D.C.. Reviews last updated March 3, 2025.
To help decide which airline to fly from Santiago de los Caballeros to Washington, D.C., see what other customers have to say about Delta, United Airlines and JetBlue. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,068 reviews

Food

7.3

Crew

8.5

Comfort

8.0

Overall

8.0

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very good
8,068 reviews
Delta
8.0
Very good
8,068 reviews

Food

7.3

Crew

8.5

Comfort

8.0

Overall

8.0

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines
7.4
Good
8,679 reviews
Delta
8.0
Very good
8,068 reviews

Food

7.3

Crew

8.5

Comfort

8.0

Overall

8.0

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

JetBlue
7.4
Good
3,008 reviews
Delta
8.0
Very good
8,068 reviews

Food

7.3

Crew

8.5

Comfort

8.0

Overall

8.0

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
8,068 reviews

Food

7.3

Crew

8.5

Comfort

8.0

Overall

8.0

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Spirit Airlines
6.3
Okay
7,940 reviews
Delta
8.0
Very good
8,068 reviews

Food

7.3

Crew

8.5

Comfort

8.0

Overall

8.0

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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 1 airline.

  • What are the cheapest airlines flying 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 $396. Other airlines that can offer you cheap pricing are Delta, from $494, and United Airlines, from $558. Spirit Airlines is 35% cheaper than the average price of flights available within the next 90 days to this destination.

  • 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 $175. Frontier flights start at $188 while deals on JetBlue start at $254 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 - Baltimore/Washington or Santiago de los Caballeros - Washington, D.C. Reagan-National, 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 $309). Flying from Santiago de los Caballeros to Washington, D.C. in June is currently the most expensive (average of $389). 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 Santiago de los Caballeros?

Book flights to Santiago de los Caballeros if you plan to visit one of these locations
Arlington
Alexandria
Fairfax
Tysons
Springfield
Rockville
Fredericksburg
Gaithersburg
Silver Spring
Linthicum Heights
Laurel
Falls Church
Woodbridge
Easton
Herndon
Bowie
Reston
Gettysburg
National Harbor
Oxon Hill

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

Discover the top airline 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 March 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$342Average$462FlexibilityNo cancel feeOn-time62%
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