$150 Cheap Flights from Washington (DCA) to Santiago (STI)

View $150 flight on Mon, Dec 8, 2025Opens in a new window

Popular airlines from Ronald Reagan Washington National Airport (DCA) to Cibao Intl. Airport (STI)

Cheap Flights from Washington to Santiago (DCA-STI)

Prices were available within the past 7 days and start at $150 for one-way flights and $307 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

JetBlue Airways
Mon, Dec 8 - Tue, Dec 9
DCA
Washington
STI
Santiago de los Caballeros
$307 Roundtrip, found 4 hours ago
$307
Roundtrip
found 4 hours ago
Select JetBlue Airways flight, departing Mon, Dec 8 from Washington to Santiago de los Caballeros, returning Tue, Dec 9, priced at $307 found 4 hours ago
JetBlue Airways
Tue, Dec 16 - Wed, Dec 17
DCA
Washington
STI
Santiago de los Caballeros
$309 Roundtrip, found 1 day ago
$309
Roundtrip
found 1 day ago
Select JetBlue Airways flight, departing Tue, Dec 16 from Washington to Santiago de los Caballeros, returning Wed, Dec 17, priced at $309 found 1 day ago
JetBlue Airways
Wed, Dec 17 - Thu, Dec 18
DCA
Washington
STI
Santiago de los Caballeros
$318 Roundtrip, found 1 day ago
$318
Roundtrip
found 1 day ago
Select JetBlue Airways flight, departing Wed, Dec 17 from Washington to Santiago de los Caballeros, returning Thu, Dec 18, priced at $318 found 1 day ago
JetBlue Airways
Mon, Dec 8 - Thu, Dec 11
DCA
Washington
STI
Santiago de los Caballeros
$324 Roundtrip, found 4 hours ago
$324
Roundtrip
found 4 hours ago
Select JetBlue Airways flight, departing Mon, Dec 8 from Washington to Santiago de los Caballeros, returning Thu, Dec 11, priced at $324 found 4 hours ago
JetBlue Airways
Wed, Dec 10 - Thu, Dec 11
DCA
Washington
STI
Santiago de los Caballeros
$326 Roundtrip, found 3 days ago
$326
Roundtrip
found 3 days ago
Select JetBlue Airways flight, departing Wed, Dec 10 from Washington to Santiago de los Caballeros, returning Thu, Dec 11, priced at $326 found 3 days ago
JetBlue Airways
Wed, Dec 10 - Thu, Dec 11
DCA
Washington
STI
Santiago de los Caballeros
$329 Roundtrip, found 4 hours ago
$329
Roundtrip
found 4 hours ago
Select JetBlue Airways flight, departing Wed, Dec 10 from Washington to Santiago de los Caballeros, returning Thu, Dec 11, priced at $329 found 4 hours ago
JetBlue Airways
Mon, Dec 8 - Sat, Dec 13
DCA
Washington
STI
Santiago de los Caballeros
$331 Roundtrip, found 4 hours ago
$331
Roundtrip
found 4 hours ago
Select JetBlue Airways flight, departing Mon, Dec 8 from Washington to Santiago de los Caballeros, returning Sat, Dec 13, priced at $331 found 4 hours ago
American Airlines
Thu, Mar 5 - Tue, Mar 10
DCA
Washington
STI
Santiago de los Caballeros
$468 Roundtrip, found 8 hours ago
$468
Roundtrip
found 8 hours ago
Select American Airlines flight, departing Thu, Mar 5 from Washington to Santiago de los Caballeros, returning Tue, Mar 10, priced at $468 found 8 hours ago
Delta
Sun, Jan 11 - Wed, Jan 21
DCA
Washington
STI
Santiago de los Caballeros
$468 Roundtrip, found 9 hours ago
$468
Roundtrip
found 9 hours ago
Select Delta flight, departing Sun, Jan 11 from Washington to Santiago de los Caballeros, returning Wed, Jan 21, priced at $468 found 9 hours ago
United
Thu, Mar 5 - Tue, Mar 10
DCA
Washington
STI
Santiago de los Caballeros
$468 Roundtrip, found 8 hours ago
$468
Roundtrip
found 8 hours ago
Select United flight, departing Thu, Mar 5 from Washington to Santiago de los Caballeros, returning Tue, Mar 10, priced at $468 found 8 hours ago

Find the cheapest month to fly from Washington (DCA) to Santiago de los Caballeros (STI)

October is typically the cheapest month to fly

From $320 - $697 per traveler.

Alternative airports near Santiago de los Caballeros

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Gregorio Luperon Intl. POP. Average driving time to city center is 59 minutes. Flights from $409
POP
Gregorio Luperon Intl.
Average driving time to city center59 min
Flights from $409

Frequently asked questions

How much does a flight from Ronald Reagan Washington National Airport (DCA) to Cibao Intl. Airport (STI) cost?
Secure a cheap one-way flight from $150 or cheap return flight from $307 from Ronald Reagan Washington National Airport (DCA) to Cibao Intl. Airport (STI) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Ronald Reagan Washington National Airport (DCA) to Cibao Intl. Airport (STI)?
December is the most affordable month to fly from DCA to STI. Traveling during an off-peak travel window is often the key to finding a great deal.
What is the cheapest airline that flies from Ronald Reagan Washington National Airport (DCA) to Cibao Intl. Airport (STI)?
To find the cheapest airline that'll fly you from DCA to STI, use Expedia's filter tool. Customize your search based on what's important to you, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Ronald Reagan Washington National Airport (DCA) to Cibao Intl. Airport (STI)?
Direct flights from Ronald Reagan Washington National Airport (DCA) to Cibao Intl. Airport (STI) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from DCA to STI?
You'll generally find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Ronald Reagan Washington National Airport (DCA) to Cibao Intl. Airport (STI)?
To avoid possible delays on the Ronald Reagan Washington National Airport (DCA) to Cibao Intl. Airport (STI) route, travel before 3 PM. Departures after this time have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Ronald Reagan Washington National Airport (DCA) to Cibao Intl. Airport (STI) last-minute?
Holding off until just before your trip to book your flight from DCA to STI generally means paying more. While you might find some last-minute deals, they're not always guaranteed. Be flexible with your travel plans for a better chance of landing a bargain.
Is it cheaper to book a DCA to STI flight and hotel package?
Compared with arranging hotels and flights separately, booking a DCA to STI flight and hotel package with Expedia could lead to significant savings. Better yet, having everything in one place will take the hassle out of planning your trip. Simply pick your flights and choose from our wide range of hotels, then tailor your trip with extras like car rentals and activities.
Can I cancel or change the date of my flight from Ronald Reagan Washington National Airport (DCA) to Cibao Intl. Airport (STI)?
If you reserved your DCA to STI flight in the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Ronald Reagan Washington National
Destination airport
Cibao Intl.
Airlines serving
American Airlines, Delta, JetBlue Airways, United
Roundtrip price
$307
Distance
1397 mi

Book with confidence

Washington to Santiago Flights

The cheapest times to fly from Washington to Santiago

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Washington to Santiago are during the month of December. You can find some of the cheapest flights from Washington to Santiago with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Washington to Santiago

Sunday is one of the best days to book for cheap flights from Washington to Santiago: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Washington to Santiago

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Washington to Santiago in 2025. You can also book with separate airlines for your outbound and return journeys, from $150 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Washington to Santiago flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Washington to Santiago airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Washington to Santiago Flights

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*Available to One Key members.