$210 Cheap Flights from Washington (DCA) to Santiago (STI)

View $210 flight on Fri, May 16, 2025Opens in a new window

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Find available prices by choosing your travel dates.

Cheap Flights from Washington to Santiago (DCA-STI)

Prices were available within the past 7 days and start at $210 for one-way flights and $367 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

JetBlue Airways
Tue, Jun 3 - Wed, Jun 4
DCA
Washington
STI
Santiago de los Caballeros
$367 Roundtrip, found 7 hours ago
$367
Roundtrip
found 7 hours ago
Select JetBlue Airways flight, departing Tue, Jun 3 from Washington to Santiago de los Caballeros, returning Wed, Jun 4, priced at $367 found 7 hours ago
JetBlue Airways
Fri, May 30 - Sat, May 31
DCA
Washington
STI
Santiago de los Caballeros
$374 Roundtrip, found 7 hours ago
$374
Roundtrip
found 7 hours ago
Select JetBlue Airways flight, departing Fri, May 30 from Washington to Santiago de los Caballeros, returning Sat, May 31, priced at $374 found 7 hours ago
JetBlue Airways
Mon, May 19 - Tue, May 20
DCA
Washington
STI
Santiago de los Caballeros
$385 Roundtrip, found 17 hours ago
$385
Roundtrip
found 17 hours ago
Select JetBlue Airways flight, departing Mon, May 19 from Washington to Santiago de los Caballeros, returning Tue, May 20, priced at $385 found 17 hours ago
JetBlue Airways
Thu, Aug 21 - Fri, Aug 22
DCA
Washington
STI
Santiago de los Caballeros
$387 Roundtrip, found 2 days ago
$387
Roundtrip
found 2 days ago
Select JetBlue Airways flight, departing Thu, Aug 21 from Washington to Santiago de los Caballeros, returning Fri, Aug 22, priced at $387 found 2 days ago
JetBlue Airways
Thu, Sep 11 - Fri, Sep 12
DCA
Washington
STI
Santiago de los Caballeros
$404 Roundtrip, found 1 day ago
$404
Roundtrip
found 1 day ago
Select JetBlue Airways flight, departing Thu, Sep 11 from Washington to Santiago de los Caballeros, returning Fri, Sep 12, priced at $404 found 1 day ago
JetBlue Airways
Sun, Jun 1 - Mon, Jun 2
DCA
Washington
STI
Santiago de los Caballeros
$411 Roundtrip, found 7 hours ago
$411
Roundtrip
found 7 hours ago
Select JetBlue Airways flight, departing Sun, Jun 1 from Washington to Santiago de los Caballeros, returning Mon, Jun 2, priced at $411 found 7 hours ago
JetBlue Airways
Mon, Jun 2 - Tue, Jun 3
DCA
Washington
STI
Santiago de los Caballeros
$416 Roundtrip, found 7 hours ago
$416
Roundtrip
found 7 hours ago
Select JetBlue Airways flight, departing Mon, Jun 2 from Washington to Santiago de los Caballeros, returning Tue, Jun 3, priced at $416 found 7 hours ago
American Airlines
Tue, Jul 15 - Mon, Aug 25
DCA
Washington
STI
Santiago de los Caballeros
$465 Roundtrip, just found
$465
Roundtrip
just found
Select American Airlines flight, departing Tue, Jul 15 from Washington to Santiago de los Caballeros, returning Mon, Aug 25, priced at $465 just found
Delta
Wed, May 28 - Wed, Jun 4
DCA
Washington
STI
Santiago de los Caballeros
$465 Roundtrip, found 5 hours ago
$465
Roundtrip
found 5 hours ago
Select Delta flight, departing Wed, May 28 from Washington to Santiago de los Caballeros, returning Wed, Jun 4, priced at $465 found 5 hours ago
United
Mon, Jun 2 - Wed, Jun 11
DCA
Washington
STI
Santiago de los Caballeros
$465 Roundtrip, found 6 hours ago
$465
Roundtrip
found 6 hours ago
Select United flight, departing Mon, Jun 2 from Washington to Santiago de los Caballeros, returning Wed, Jun 11, priced at $465 found 6 hours ago
Flights from Washington (DCA) to Santiago (STI)
Origin airport
Ronald Reagan Washington National
Destination airport
Cibao Intl.
Airlines serving
American Airlines, Delta, JetBlue Airways, United
Roundtrip price
$367
Distance
1397 mi

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 June. 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 $210 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.

Frequently asked questions

How much does a flight from Ronald Reagan Washington National Airport (DCA) to Cibao Intl. Airport (STI) cost?
Discover the latest flight deals from DCA to STI by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from DCA to STI?
The cheapest flights from DCA to STI are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from DCA to STI?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from DCA to STI. Sort your results by “Price (lowest to highest)” to snap up a great deal.
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.

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*Available to One Key members.