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Santiago de los Caballeros

$157+ 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 5/25. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — STI
Apr 29 — May 61
Tue 4/29
Tue 5/6
1 adult, Economy
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Cheapflights Tip: The best prices from Washington, D.C. to Santiago de los Caballeros are usually found in September or April, booked 84 days in advance, depart on a Sunday or Tuesday and return on a Tuesday

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 April 24, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$389
(Cheapflightsfares)

One-way from

$157
(Travelocity)

Popular in

December

Cheapest in

September

Average price

$434
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. 9% potential increase in price ($62 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($34 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 April 24, 2025.

This CheapOair deal was found by Cheapflights users on 4/22. 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 5/211:00 amBWI - STI
1 stop6h 33mFrontier
Fri 7/252:10 pmSTI - BWI
1 stop22h 06mFrontier
Deal found 4/22$350
This Cheapflightsfares deal was found by Cheapflights users on 4/22. 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 5/256:41 amBWI - STI
1 stop8h 07mSpirit Airlines
Thu 5/293:53 pmSTI - BWI
1 stop6h 48mSpirit Airlines
Deal found 4/22$389
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.
Tue 6/176:45 pmBWI - STI
1 stop18h 05mMultiple Airlines
Thu 6/1911:29 amSTI - BWI
1 stop11h 28mMultiple Airlines
Deal found 4/23$418
This JetBlue 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/291:45 pmDCA - STI
1 stop12h 50mJetBlue
Fri 6/68:45 amSTI - DCA
1 stop14h 13mJetBlue
Deal found 4/23$445
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 9/116:35 amBWI - STI
1 stop5h 45mAmerican Airlines
Tue 9/161:35 pmSTI - BWI
1 stop10h 03mAmerican Airlines
Deal found 4/23$465
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 9/115:50 amDCA - STI
1 stop6h 30mAmerican Airlines
Mon 9/151:35 pmSTI - DCA
1 stop10h 05mAmerican Airlines
Deal found 4/23$465
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.
Thu 9/115:10 pmIAD - STI
1 stop8h 03mDelta
Tue 9/166:20 amSTI - IAD
1 stop10h 11mDelta
Deal found 4/23$485
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.
Mon 5/57:02 pmBWI - STI
2 stops20h 10mUnited Airlines
Wed 5/74:23 pmSTI - BWI
2 stops17h 31mUnited Airlines
Deal found 4/23$502
This Delta deal was found by Cheapflights users on 4/22. 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.
Sun 5/44:31 pmDCA - STI
1 stop7h 56mDelta
Wed 5/71:30 pmSTI - DCA
1 stop9h 15mDelta
Deal found 4/22$515
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.
Mon 5/58:30 amIAD - STI
1 stop6h 42mUnited Airlines
Wed 5/76:00 amSTI - IAD
1 stop8h 28mUnited Airlines
Deal found 4/23$515
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.
Sun 8/105:48 pmIAD - STI
2 stops18h 32mAmerican Airlines
Tue 8/121:40 pmSTI - IAD
2 stops19h 04mAmerican Airlines
Deal found 4/23$519
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 8/276:00 amDCA - STI
1 stop6h 57mUnited Airlines
Mon 9/16:00 amSTI - DCA
1 stop8h 22mUnited Airlines
Deal found 4/23$672

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 April 24, 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 5/25

6:41 am-2:48 pm

1 stop8h 07m

Santiago de los Caballeros

Thu 5/29

3:53 pm-10:41 pm

1 stop6h 48m

$389

BaltimoreSantiago de los Caballeros

BWI - STI

BWISTI

Baltimore/Washington

Tue 6/17

6:45 pm-12:50 pm

1 stop18h 05m

Santiago de los Caballeros

Thu 6/19

11:29 am-10:57 pm

1 stop11h 28m

$418

Washington, D.C.Santiago de los Caballeros

DCA - STI

DCASTI

Washington, D.C. Reagan-National

Thu 5/29

1:45 pm-2:35 am

1 stop12h 50m

Santiago de los Caballeros

Fri 6/6

8:45 am-10:58 pm

1 stop14h 13m

$445

BaltimoreSantiago de los Caballeros

BWI - STI

BWISTI

Baltimore/Washington

Thu 9/11

6:35 am-12:20 pm

1 stop5h 45m

Santiago de los Caballeros

Tue 9/16

1:35 pm-11:38 pm

1 stop10h 03m

$465

Washington, D.C.Santiago de los Caballeros

DCA - STI

DCASTI

Washington, D.C. Reagan-National

Thu 9/11

5:50 am-12:20 pm

1 stop6h 30m

Santiago de los Caballeros

Mon 9/15

1:35 pm-11:40 pm

1 stop10h 05m

$465

Washington, D.C.Santiago de los Caballeros

IAD - STI

IADSTI

Washington, D.C. Dulles Intl

Thu 9/11

5:10 pm-1:13 am

1 stop8h 03m

Santiago de los Caballeros

Tue 9/16

6:20 am-4:31 pm

1 stop10h 11m

$485

BaltimoreSantiago de los Caballeros

BWI - STI

BWISTI

Baltimore/Washington

Sat 5/24

7:10 pm-2:00 pm

2 stops42h 50m

Santiago de los Caballeros

Mon 6/9

3:22 pm-10:15 pm

2 stops30h 53m

$492

BaltimoreSantiago de los Caballeros

BWI - STI

BWISTI

Baltimore/Washington

Mon 5/5

7:02 pm-3:12 pm

2 stops20h 10m

Santiago de los Caballeros

Wed 5/7

4:23 pm-9:54 am

2 stops17h 31m

$502

Washington, D.C.Santiago de los Caballeros

DCA - STI

DCASTI

Washington, D.C. Reagan-National

Sun 5/4

4:31 pm-12:27 am

1 stop7h 56m

Santiago de los Caballeros

Wed 5/7

1:30 pm-10:45 pm

1 stop9h 15m

$515

Washington, D.C.Santiago de los Caballeros

IAD - STI

IADSTI

Washington, D.C. Dulles Intl

Mon 5/5

8:30 am-3:12 pm

1 stop6h 42m

Santiago de los Caballeros

Wed 5/7

6:00 am-2:28 pm

1 stop8h 28m

$515

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/23

Showing 1-10 of 24 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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice 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 AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Washington, D.C.-Santiago de los Caballeros flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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

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

Use this chart to determine the optimal time to book a round-trip flight from Washington, D.C. to Santiago de los Caballeros. Price data was last updated on April 18, 2025.

Booking 83 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.

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

Currently, May is the cheapest month in which you can book a flight from Washington, D.C. to Santiago de los Caballeros (average of $347). Flying from Washington, D.C. to Santiago de los Caballeros in July is currently the most expensive (average of $631). 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 April 24, 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 in the morning. If you’re flexible enough to do this you can expect to save up to 21% on your trip compared to booking a flight at noon.

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 Thursday afternoons when fares are most often at their lowest. Wednesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Santiago de los Caballeros by month

Plan your trip to Santiago de los Caballeros by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Santiago de los Caballeros ranges from 3.0 - 11.6 inches per month. December is typically the wettest month, when rainfall can reach 11.6 in. July is typically the driest time to visit Santiago de los Caballeros when rainfall is around 3.0 in.

Temperature in Santiago de los Caballeros by month

Plan your trip to Santiago de los Caballeros by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Santiago de los Caballeros, use this chart to help with planning. For those seeking warmer temperatures, June 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 73.4 F).

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 April 24, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines and JetBlue from Washington, D.C. to Santiago de los Caballeros to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Food

7.3

Comfort

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,920 reviews
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Food

7.3

Comfort

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,685 reviews
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Food

7.3

Comfort

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
JetBlue
7.3
Good
2,924 reviews
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Food

7.3

Comfort

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Food

7.3

Comfort

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Spirit Airlines
6.3
Okay
7,940 reviews
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Food

7.3

Comfort

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

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

    According to our current data, Spirit Airlines ($389), JetBlue ($445), and American Airlines ($465) offers the cheapest pricing from Washington, D.C. to Santiago de los Caballeros. Spirit Airlines is priced at 33% 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 Frontier. According to our data, you can fly for as low as $157. Users have also found prices from $172 and $212 on Spirit Airlines and JetBlue, respectively.

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

    Most travelers choose Baltimore/Washington - Santiago de los Caballeros, Washington, D.C. Reagan-National - Santiago de los Caballeros or Washington, D.C. Dulles Intl - 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, May is the cheapest month in which you can book a flight from Washington, D.C. to Santiago de los Caballeros (average of $347). Flying from Washington, D.C. to Santiago de los Caballeros in July is currently the most expensive (average of $631). 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 April 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$299Average$478FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$394Average$568FlexibilityNo cancel feeOn-time62%
DeltaCheapest$402Average$511FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$436Average$645FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$437Average$736FlexibilityNo cancel feeOn-time69%

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