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$193+ 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 5/23. Fares are subject to change and may not be available on all flights or dates of travel.
STI — WAS
Apr 29 — May 61
Tue 4/29
Tue 5/6
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 April 24, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$358
(eDestinos)

One-way from

$193
(Kiwi.com)

Popular in

December

Cheapest in

August
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. 16% potential increase in price ($128 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 13% potential price decrease ($77 potential savings vs. average RT price).
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 April 24, 2025.

This eDestinos deal was found by Cheapflights users on 4/23. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/153:53 pmSTI - BWI
1 stop6h 48mSpirit Airlines
Sun 5/186:41 amBWI - STI
1 stop8h 07mSpirit Airlines
Deal found 4/23$358
This OneTravel deal was found by Cheapflights users on 4/23. 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 OneTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/156:43 pmSTI - BWI
1 stop15h 17mFrontier
Sun 5/187:38 pmBWI - STI
2 stops21h 55mFrontier
Deal found 4/23$411
This Kiwi.com deal was found by Cheapflights users on 4/23. 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 5/26:43 pmSTI - BWI
1 stop9h 50mMultiple Airlines
Mon 5/511:00 amBWI - STI
1 stop6h 33mMultiple Airlines
Deal found 4/23$444
This Mytrip deal was found by Cheapflights users on 4/23. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/156:43 pmSTI - IAD
2 stops45h 51mFrontier
Sun 5/189:34 amIAD - STI
2 stops31h 59mFrontier
Deal found 4/23$516
This United Airlines deal was found by Cheapflights users on 4/23. 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.
Wed 10/12:07 pmSTI - BWI
2 stops21h 53mUnited Airlines
Sat 11/110:45 amBWI - STI
2 stops14h 59mUnited Airlines
Deal found 4/23$521
This American Airlines deal was found by Cheapflights users on 4/23. 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.
Fri 7/117:04 amSTI - BWI
1 stop11h 16mAmerican Airlines
Sat 7/267:10 pmBWI - STI
1 stop17h 20mAmerican Airlines
Deal found 4/23$547
This United Airlines deal was found by Cheapflights users on 4/23. 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 5/106:00 amSTI - IAD
1 stop8h 28mUnited Airlines
Wed 9/106:20 amIAD - STI
1 stop6h 37mUnited Airlines
Deal found 4/23$564
This American Airlines deal was found by Cheapflights users on 4/23. 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.
Fri 7/111:30 pmSTI - DCA
1 stop6h 38mAmerican Airlines
Sat 7/266:00 amDCA - STI
1 stop15h 10mAmerican Airlines
Deal found 4/23$574
This JetBlue deal was found by Cheapflights users on 4/24. 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 5/292:25 pmSTI - DCA
1 stop8h 33mJetBlue
Fri 6/63:15 pmDCA - STI
1 stop11h 20mJetBlue
Deal found 4/24$576
This Delta deal was found by Cheapflights users on 4/23. 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.
Mon 5/51:24 pmSTI - DCA
1 stop9h 21mDelta
Tue 5/1311:10 amDCA - STI
1 stop6h 40mDelta
Deal found 4/23$577
This American Airlines deal was found by Cheapflights users on 4/23. 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 7/31:35 pmSTI - IAD
2 stops23h 03mAmerican Airlines
Sun 7/66:35 amIAD - STI
2 stops14h 35mAmerican Airlines
Deal found 4/23$780
This Mytrip deal was found by Cheapflights users on 4/23. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/109:05 pmSTI - IAD
2 stops22h 00mMultiple Airlines
Wed 9/109:45 amIAD - STI
3 stops34h 20mMultiple Airlines
Deal found 4/23$2,405

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 April 24, 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

Thu 5/15

3:53 pm-10:41 pm

1 stop6h 48m

Baltimore/Washington

Sun 5/18

6:41 am-2:48 pm

1 stop8h 07m

$358

Santiago de los CaballerosBaltimore

STI - BWI

STIBWI

Santiago de los Caballeros

Thu 5/15

6:43 pm-10:00 am

1 stop15h 17m

Baltimore/Washington

Sun 5/18

7:38 pm-5:33 pm

2 stops21h 55m

$411

Santiago de los CaballerosWashington, D.C.

STI - IAD

STIIAD

Santiago de los Caballeros

Thu 5/15

6:43 pm-4:34 pm

2 stops45h 51m

Washington, D.C. Dulles Intl

Sun 5/18

9:34 am-5:33 pm

2 stops31h 59m

$516

Santiago de los CaballerosBaltimore

STI - BWI

STIBWI

Santiago de los Caballeros

Wed 10/1

2:07 pm-12:00 pm

2 stops21h 53m

Baltimore/Washington

Sat 11/1

10:45 am-1:44 am

2 stops14h 59m

$521

Santiago de los CaballerosBaltimore

STI - BWI

STIBWI

Santiago de los Caballeros

Fri 7/11

7:04 am-6:20 pm

1 stop11h 16m

Baltimore/Washington

Sat 7/26

7:10 pm-12:30 pm

1 stop17h 20m

$547

Santiago de los CaballerosWashington, D.C.

STI - IAD

STIIAD

Santiago de los Caballeros

Sat 5/10

6:00 am-2:28 pm

1 stop8h 28m

Washington, D.C. Dulles Intl

Wed 9/10

6:20 am-12:57 pm

1 stop6h 37m

$564

Santiago de los CaballerosWashington, D.C.

STI - DCA

STIDCA

Santiago de los Caballeros

Fri 7/11

1:30 pm-8:08 pm

1 stop6h 38m

Washington, D.C. Reagan-National

Sat 7/26

6:00 am-9:10 pm

1 stop15h 10m

$574

Santiago de los CaballerosWashington, D.C.

STI - DCA

STIDCA

Santiago de los Caballeros

Thu 5/29

2:25 pm-10:58 pm

1 stop8h 33m

Washington, D.C. Reagan-National

Fri 6/6

3:15 pm-2:35 am

1 stop11h 20m

$576

Santiago de los CaballerosWashington, D.C.

STI - DCA

STIDCA

Santiago de los Caballeros

Mon 5/5

1:24 pm-10:45 pm

1 stop9h 21m

Washington, D.C. Reagan-National

Tue 5/13

11:10 am-5:50 pm

1 stop6h 40m

$577

Santiago de los CaballerosWashington, D.C.

STI - IAD

STIIAD

Santiago de los Caballeros

Thu 7/3

1:35 pm-12:38 pm

2 stops23h 03m

Washington, D.C. Dulles Intl

Sun 7/6

6:35 am-9:10 pm

2 stops14h 35m

$780

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/23

Showing 1-10 of 18 results
1
2

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 April.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 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 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 $309). Flying from Santiago de los Caballeros to Washington, D.C. in June is currently the most expensive (average of $383). 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 April 24, 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 April 24, 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
7,920 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Entertainment

7.9

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
7,920 reviews
Delta
8.0
Very good
7,920 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Entertainment

7.9

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
8,685 reviews
Delta
8.0
Very good
7,920 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Entertainment

7.9

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
7.3
Good
2,924 reviews
Delta
8.0
Very good
7,920 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Entertainment

7.9

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
7,920 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Entertainment

7.9

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
7,920 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Entertainment

7.9

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 $358. Other airlines that can offer you cheap pricing are Frontier, from $411, and United Airlines, from $521. Spirit Airlines is 45% 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 JetBlue, which is currently one of the cheapest options available, starting at $259. American Airlines flights start at $351 while deals on United Airlines start at $516 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. Dulles Intl, Santiago de los Caballeros - Washington, D.C. Reagan-National 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 $383). 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
Woodbridge
Fairfax
Tysons
Springfield
Rockville
Fredericksburg
Gaithersburg
Silver Spring
Linthicum Heights
Falls Church
Laurel
Easton
Herndon
Bowie
Towson
National Harbor
Oxon Hill
Reston

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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 April 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$342Average$476FlexibilityNo cancel feeOn-time62%

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