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Santiago de los Caballeros

$176+ Cheap flights from District of Columbia 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 6/12. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — STI
May 5 — May 121
Mon 5/5
Mon 5/12
1 adult, Economy
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Cheap flight deals from District of Columbia to Santiago de los Caballeros

Keep the following information in mind while searching for District of Columbia to Santiago de los Caballeros flight deals. Data was last updated April 30, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$359
(Priceline)

One-way from

$179
(Priceline)

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.
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Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Santiago de los Caballeros flights.
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From District of Columbia to Santiago de los Caballeros
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One-way flight from District of Columbia to Santiago de los Caballeros
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Highest demand for flights based on searches. 9% potential increase in price ($62 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($34 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from District of Columbia to Santiago de los Caballeros

Cheapest flights from District of Columbia to Santiago de los Caballeros
Explore the most affordable flight options available from District of Columbia to Santiago de los Caballeros. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 30, 2025.

This Priceline deal was found by Cheapflights users on 4/28. 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 6/1212:23 pmIAD - STI
1 stop24h 27mFrontier
Wed 6/252:10 pmSTI - IAD
1 stop21h 18mFrontier
Deal found 4/28$359
This JetBlue deal was found by Cheapflights users on 4/28. 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 5/276:09 amDCA - STI
1 stop7h 06mJetBlue
Tue 6/38:45 amSTI - DCA
1 stop14h 13mJetBlue
Deal found 4/28$423
This United Airlines deal was found by Cheapflights users on 4/28. 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 10/156:00 amDCA - STI
1 stop6h 57mUnited Airlines
Mon 10/202:07 pmSTI - DCA
1 stop7h 24mUnited Airlines
Deal found 4/28$465
This United Airlines deal was found by Cheapflights users on 4/28. 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 10/88:30 amIAD - STI
1 stop6h 42mUnited Airlines
Mon 10/132:07 pmSTI - IAD
1 stop8h 22mUnited Airlines
Deal found 4/28$465
This American Airlines deal was found by Cheapflights users on 4/29. 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
Tue 9/161:35 pmSTI - DCA
2 stops9h 25mAmerican Airlines
Deal found 4/29$469
This American Airlines deal was found by Cheapflights users on 4/28. 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.
Mon 8/115:20 pmIAD - STI
2 stops19h 11mAmerican Airlines
Tue 8/267:00 amSTI - IAD
2 stops11h 52mAmerican Airlines
Deal found 4/28$469
This Delta deal was found by Cheapflights users on 4/29. 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 6/25:00 pmDCA - STI
1 stop7h 14mDelta
Tue 6/102:34 pmSTI - DCA
1 stop8h 59mDelta
Deal found 4/29$475
This Delta deal was found by Cheapflights users on 4/28. 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.
Wed 9/2412:30 pmIAD - STI
1 stop7h 24mDelta
Mon 9/296:20 amSTI - IAD
1 stop10h 11mDelta
Deal found 4/28$485
This Mytrip deal was found by Cheapflights users on 4/28. 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 6/1211:52 amIAD - STI
2 stops22h 37mMultiple Airlines
Thu 6/1911:29 amSTI - IAD
2 stops26h 54mMultiple Airlines
Deal found 4/28$511

Cheapflights Fare Finder

Customize your flight search to find flights from District of Columbia 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 30, 2025.
Use the filters below to find and compare flights from District of Columbia to Santiago de los Caballeros that are best for you.

Fly from

District of Columbia

Fly to

Santiago de los Caballeros

Route

Depart

Return

Price

Washington, D.C.Santiago de los Caballeros

IAD - STI

IADSTI

Washington, D.C. Dulles Intl

Thu 6/12

12:23 pm-12:50 pm

1 stop24h 27m

Santiago de los Caballeros

Wed 6/25

2:10 pm-11:28 am

1 stop21h 18m

$359

Washington, D.C.Santiago de los Caballeros

DCA - STI

DCASTI

Washington, D.C. Reagan-National

Tue 5/27

6:09 am-1:15 pm

1 stop7h 06m

Santiago de los Caballeros

Tue 6/3

8:45 am-10:58 pm

1 stop14h 13m

$423

Washington, D.C.Santiago de los Caballeros

DCA - STI

DCASTI

Washington, D.C. Reagan-National

Mon 6/2

5:00 pm-12:14 am

1 stop7h 14m

Santiago de los Caballeros

Tue 6/10

2:34 pm-11:33 pm

1 stop8h 59m

$475

Washington, D.C.Santiago de los Caballeros

IAD - STI

IADSTI

Washington, D.C. Dulles Intl

Thu 5/29

9:00 am-3:12 pm

1 stop6h 12m

Santiago de los Caballeros

Fri 6/27

2:07 pm-10:27 pm

1 stop8h 20m

$489

Washington, D.C.Santiago de los Caballeros

DCA - STI

DCASTI

Washington, D.C. Reagan-National

Wed 7/23

6:00 am-9:15 pm

1 stop15h 15m

Santiago de los Caballeros

Mon 7/28

7:04 am-12:12 am

1 stop17h 08m

$496

Washington, D.C.Santiago de los Caballeros

IAD - STI

IADSTI

Washington, D.C. Dulles Intl

Thu 6/12

11:52 am-10:29 am

2 stops22h 37m

Santiago de los Caballeros

Thu 6/19

11:29 am-2:23 pm

2 stops26h 54m

$511

Washington, D.C.Santiago de los Caballeros

IAD - STI

IADSTI

Washington, D.C. Dulles Intl

Thu 7/24

6:35 am-9:15 pm

2 stops14h 40m

Santiago de los Caballeros

Sun 7/27

1:30 pm-12:49 pm

2 stops23h 19m

$572

Washington, D.C.Santiago de los Caballeros

IAD - STI

IADSTI

Washington, D.C. Dulles Intl

Thu 6/12

12:23 pm-12:50 pm

1 stop24h 27m

$176

Washington, D.C.Santiago de los Caballeros

IAD - STI

IADSTI

Washington, D.C. Dulles Intl

Thu 6/12

11:52 am-10:29 am

2 stops22h 37m

$235

Washington, D.C.Santiago de los Caballeros

DCA - STI

DCASTI

Washington, D.C. Reagan-National

Fri 5/9

6:09 am-1:15 pm

1 stop7h 06m

$268

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 16 results
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Best time to book a flight from District of Columbia to Santiago de los Caballeros

Have a flexible travel schedule? Discover the best time to fly to Santiago de los Caballeros from District of Columbia 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 District of Columbia to Santiago de los Caballeros

What is the cheapest month to book a flight from District of Columbia to Santiago de los Caballeros?

Currently, May is the cheapest month in which you can book a flight from District of Columbia to Santiago de los Caballeros (average of $347). Flying from District of Columbia 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 DC to STI?

Find hourly flight availability from District of Columbia 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 30, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from District of Columbia to Santiago de los Caballeros as you normally would.

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 30, 2025.
To help decide which airline to fly from District of Columbia to Santiago de los Caballeros, see what other customers have to say about Delta, United Airlines and JetBlue. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,936 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.9

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
7,936 reviews
Delta
8.0
Very good
7,936 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.9

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
8,696 reviews
Delta
8.0
Very good
7,936 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.9

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
2,922 reviews
Delta
8.0
Very good
7,936 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.9

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
7,936 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.9

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.
Frontier
6.0
Okay
3,287 reviews
Delta
8.0
Very good
7,936 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.9

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 District of Columbia 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 District of Columbia?

    For a flight from District of Columbia to Santiago de los Caballeros, you will be flying into Santiago. Santiago de los Caballeros (STI) is just 6.8 mi from the center of the city.

  • What are the cheapest airlines to fly from District of Columbia to Santiago de los Caballeros one-way?

    One-way options have recently been found by users for as low as $179 on Frontier. Other airlines that offer cheap prices include JetBlue from $249 and United Airlines from $281 one-way.

  • Can I find deals for flights from District of Columbia to Santiago de los Caballeros that include hotel bookings?

    Yes. In addition to deals on District of Columbia to Santiago de los Caballeros flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from District of Columbia 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 District of Columbia to Santiago de los Caballeros.

  • Can I find deals for business class flights from District of Columbia to Santiago de los Caballeros?

    Yes. Cheapflights offers flight deals from District of Columbia 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 District of Columbia to Santiago de los Caballeros?

    Currently, May is the cheapest month in which you can book a flight from District of Columbia to Santiago de los Caballeros (average of $347). Flying from District of Columbia 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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Alternative routes for District of Columbia to Santiago de los Caballeros

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Santiago de los Caballeros flights
Newark to Santiago de los Caballeros flights
John F Kennedy Intl to Punta Cana flights
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John F Kennedy Intl to Santo Domingo flights
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John F Kennedy Intl to Puerto Plata flights
Fort Lauderdale to Punta Cana flights
Fort Lauderdale to Santo Domingo flights
Orlando to Santo Domingo flights
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Reagan-National to Punta Cana flights
Miami to Santo Domingo flights
Midway to Punta Cana flights
Orlando to Santiago de los Caballeros flights
Los Angeles to Punta Cana flights
Miami to Santiago de los Caballeros flights
Cleveland to Punta Cana flights
Baltimore to Santo Domingo flights
Dulles Intl to Santo Domingo flights
Philadelphia to Santo Domingo flights
LaGuardia to Puerto Plata flights
San Francisco to Punta Cana flights
Tampa to Punta Cana flights
Fort Lauderdale to Santiago de los Caballeros flights
New Orleans to Punta Cana flights
Dallas/Fort Worth to Santo Domingo flights
Atlantic City to Punta Cana flights
Denver to Punta Cana flights
Los Angeles to Santo Domingo flights
Reagan-National to Santo Domingo flights
Minneapolis to Punta Cana flights
Ontario to Punta Cana flights

Top 5 airlines flying from District of Columbia to Santiago de los Caballeros

Discover the top 5 airlines that operate flights from District of Columbia 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 30, 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$644FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$437Average$727FlexibilityNo cancel feeOn-time69%

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