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District of Columbia

$174+ Cheap flights from Santiago de los Caballeros (STI) to District of Columbia

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 7/23. Fares are subject to change and may not be available on all flights or dates of travel.
STI — IAD
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
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Cheap flight deals from Santiago de los Caballeros to District of Columbia

Keep the following information in mind while searching for Santiago de los Caballeros to District of Columbia flight deals. Data was last updated July 3, 2025.

Round-trip from

$494
(Delta)

One-way from

$174
(Priceline)

Popular in

December

Cheapest in

August

Average price

$659
From Santiago de los Caballeros to District of Columbia
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One-way flight from Santiago de los Caballeros to District of Columbia
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Highest demand for flights based on searches. 21% potential increase in price ($166 potential increase over avg. RT price).
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Cheapest flight prices on average. 16% potential price decrease ($90 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Santiago de los Caballeros to District of Columbia

Cheapest flights from Santiago de los Caballeros to District of Columbia
Explore the most affordable flight options available from Santiago de los Caballeros to District of Columbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

This Expedia deal was found by Cheapflights users on 7/1. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/112:06 pmSTI - IAD
2 stops22h 45mFrontier
Sat 7/264:17 pmIAD - STI
2 stops44h 34mFrontier
Deal found 7/1$435
This JetBlue deal was found by Cheapflights users on 7/3. 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.
Tue 10/283:44 amSTI - DCA
1 stop10h 48mJetBlue
Tue 12/28:00 amDCA - STI
1 stop6h 43mJetBlue
Deal found 7/3$477
This Delta deal was found by Cheapflights users on 7/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/276:45 amSTI - DCA
1 stop12h 20mDelta
Wed 12/315:05 pmDCA - STI
1 stop9h 05mDelta
Deal found 7/3$494
This Delta deal was found by Cheapflights users on 7/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/276:45 amSTI - IAD
1 stop10h 46mDelta
Wed 12/314:15 pmIAD - STI
1 stop9h 55mDelta
Deal found 7/3$494
This United Airlines deal was found by Cheapflights users on 7/3. 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.
Tue 11/46:00 amSTI - DCA
1 stop7h 19mUnited Airlines
Tue 12/27:00 amDCA - STI
1 stop6h 53mUnited Airlines
Deal found 7/3$499
This American Airlines deal was found by Cheapflights users on 7/2. 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.
Wed 9/31:29 pmSTI - DCA
1 stop8h 31mAmerican Airlines
Wed 9/108:07 pmDCA - STI
1 stop16h 20mAmerican Airlines
Deal found 7/2$513
This Mytrip deal was found by Cheapflights users on 7/1. 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.
Sun 7/1310:55 amSTI - IAD
2 stops22h 28mMultiple Airlines
Sun 8/311:58 amIAD - STI
2 stops21h 52mMultiple Airlines
Deal found 7/1$548
This American Airlines deal was found by Cheapflights users on 7/1. 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.
Wed 9/31:29 pmSTI - IAD
2 stops20h 38mAmerican Airlines
Wed 9/107:21 pmIAD - STI
2 stops17h 06mAmerican Airlines
Deal found 7/1$599
This United Airlines deal was found by Cheapflights users on 7/3. 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.
Thu 11/64:00 pmSTI - IAD
1 stop7h 58mUnited Airlines
Mon 12/16:00 amIAD - STI
1 stop7h 53mUnited Airlines
Deal found 7/3$659

Cheapflights Fare Finder

Customize your flight search to find flights from Santiago de los Caballeros to District of Columbia 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 July 3, 2025.
Use the filters below to find and compare flights from Santiago de los Caballeros to District of Columbia that are best for you.

Fly from

Santiago de los Caballeros

Fly to

District of Columbia

Route

Depart

Return

Price

Santiago de los CaballerosWashington, D.C.

STI - DCA

STIDCA

Santiago de los Caballeros

Tue 10/28

3:44 am-2:32 pm

1 stop10h 48m

Washington, D.C. Reagan-National

Tue 12/2

8:00 am-3:43 pm

1 stop6h 43m

$477

Santiago de los CaballerosWashington, D.C.

STI - DCA

STIDCA

Santiago de los Caballeros

Thu 11/27

6:45 am-6:05 pm

1 stop12h 20m

Washington, D.C. Reagan-National

Wed 12/31

5:05 pm-3:10 am

1 stop9h 05m

$494

Santiago de los CaballerosWashington, D.C.

STI - IAD

STIIAD

Santiago de los Caballeros

Thu 11/27

6:45 am-4:31 pm

1 stop10h 46m

Washington, D.C. Dulles Intl

Wed 12/31

4:15 pm-3:10 am

1 stop9h 55m

$494

Santiago de los CaballerosWashington, D.C.

STI - DCA

STIDCA

Santiago de los Caballeros

Tue 11/4

6:00 am-12:19 pm

1 stop7h 19m

Washington, D.C. Reagan-National

Tue 12/2

7:00 am-2:53 pm

1 stop6h 53m

$499

Santiago de los CaballerosWashington, D.C.

STI - DCA

STIDCA

Santiago de los Caballeros

Wed 9/3

1:29 pm-10:00 pm

1 stop8h 31m

Washington, D.C. Reagan-National

Wed 9/10

8:07 pm-12:27 pm

1 stop16h 20m

$513

Santiago de los CaballerosWashington, D.C.

STI - IAD

STIIAD

Santiago de los Caballeros

Sun 7/13

10:55 am-9:23 am

2 stops22h 28m

Washington, D.C. Dulles Intl

Sun 8/3

11:58 am-9:50 am

2 stops21h 52m

$548

Santiago de los CaballerosWashington, D.C.

STI - IAD

STIIAD

Santiago de los Caballeros

Wed 9/3

1:29 pm-10:07 am

2 stops20h 38m

Washington, D.C. Dulles Intl

Wed 9/10

7:21 pm-12:27 pm

2 stops17h 06m

$599

Santiago de los CaballerosWashington, D.C.

STI - IAD

STIIAD

Santiago de los Caballeros

Thu 11/6

4:00 pm-10:58 pm

1 stop7h 58m

Washington, D.C. Dulles Intl

Mon 12/1

6:00 am-2:53 pm

1 stop7h 53m

$659

Santiago de los CaballerosWashington, D.C.

STI - IAD

STIIAD

Santiago de los Caballeros

Wed 7/23

2:10 pm-11:29 am

1 stop21h 19m

$174

Santiago de los CaballerosWashington, D.C.

STI - IAD

STIIAD

Santiago de los Caballeros

Sun 8/3

10:55 am-9:23 am

2 stops22h 28m

$238

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

Showing 1-10 of 18 results
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Best time to book a flight from Santiago de los Caballeros to District of Columbia

Have a flexible travel schedule? Discover the best time to fly to District of Columbia 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 District of Columbia

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

Currently, August is the cheapest month in which you can book a flight from Santiago de los Caballeros to District of Columbia (average of $309). Flying from Santiago de los Caballeros to District of Columbia in July is currently the most expensive (average of $345). 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 DC?

Find hourly flight availability from Santiago de los Caballeros to District of Columbia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 3, 2025.

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

Reviews of airlines servicing District of Columbia

Get insights into the airlines that provide service to District of Columbia. 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 District of Columbia. Reviews last updated July 3, 2025.
Read reviews from past customers who have flown Delta, United Airlines, and JetBlue from Santiago de los Caballeros to District of Columbia. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,982 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,982 reviews
Delta
8.0
Very good
7,982 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,861 reviews
Delta
8.0
Very good
7,982 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
JetBlue
7.3
Good
2,916 reviews
Delta
8.0
Very good
7,982 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,982 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Frontier
5.9
Fair
3,286 reviews
Delta
8.0
Very good
7,982 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Santiago de los Caballeros to District of Columbia. 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 District of Columbia?

    Most people fly from Santiago de los Caballeros (STI) if they book a flight from Santiago de los Caballeros to District of Columbia. Santiago de los Caballeros is conveniently located just 6.8 mi from Santiago de los Caballeros’s city center.

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

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $174. However, be on the lookout for offers from JetBlue and Delta, as they are both options that can get you from Santiago de los Caballeros to District of Columbia for a low price.

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

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

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

    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 District of Columbia.

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

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

    Currently, August is the cheapest month in which you can book a flight from Santiago de los Caballeros to District of Columbia (average of $309). Flying from Santiago de los Caballeros to District of Columbia in July is currently the most expensive (average of $345). 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 Santiago de los Caballeros to District of Columbia

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Santiago de los Caballeros to District of Columbia

Discover the top 2 airlines that operate flights from Santiago de los Caballeros to District of Columbia. 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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$403Average$485FlexibilityNo cancel feeOn-time62%
DeltaCheapest$493Average$589FlexibilityNo cancel feeOn-timeN/A

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