$197 Cheap Flights from Santo Domingo (SDQ) to Washington (IAD)

View $197 flight on Fri, Aug 22, 2025Opens in a new window

Popular airlines from Las Americas Intl. Airport (SDQ) to Washington Dulles Intl. Airport (IAD)

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Cheap Flights from Santo Domingo to Washington (SDQ-IAD)

Prices were available within the past 7 days and start at $197 for one-way flights and $364 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Wed, Aug 6 - Thu, Aug 7
SDQ
Santo Domingo
IAD
Washington
$364 Roundtrip, found 21 hours ago
$364
Roundtrip
found 21 hours ago
Select Frontier Airlines flight, departing Wed, Aug 6 from Santo Domingo to Washington, returning Thu, Aug 7, priced at $364 found 21 hours ago
Frontier Airlines
Wed, Aug 6 - Sun, Nov 2
SDQ
Santo Domingo
IAD
Washington
$369 Roundtrip, found 1 hour ago
$369
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Wed, Aug 6 from Santo Domingo to Washington, returning Sun, Nov 2, priced at $369 found 1 hour ago
Frontier Airlines
Thu, Aug 7 - Sun, Aug 17
SDQ
Santo Domingo
IAD
Washington
$370 Roundtrip, found 2 days ago
$370
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Thu, Aug 7 from Santo Domingo to Washington, returning Sun, Aug 17, priced at $370 found 2 days ago
Frontier Airlines
Mon, Aug 4 - Sat, Oct 25
SDQ
Santo Domingo
IAD
Washington
$376 Roundtrip, found 2 days ago
$376
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Mon, Aug 4 from Santo Domingo to Washington, returning Sat, Oct 25, priced at $376 found 2 days ago
Frontier Airlines
Mon, Aug 4 - Sat, Aug 9
SDQ
Santo Domingo
IAD
Washington
$377 Roundtrip, found 5 hours ago
$377
Roundtrip
found 5 hours ago
Select Frontier Airlines flight, departing Mon, Aug 4 from Santo Domingo to Washington, returning Sat, Aug 9, priced at $377 found 5 hours ago
Frontier Airlines
Thu, Oct 9 - Sat, Oct 18
SDQ
Santo Domingo
IAD
Washington
$383 Roundtrip, found 21 hours ago
$383
Roundtrip
found 21 hours ago
Select Frontier Airlines flight, departing Thu, Oct 9 from Santo Domingo to Washington, returning Sat, Oct 18, priced at $383 found 21 hours ago
Copa
Fri, Nov 7 - Sun, Nov 9
SDQ
Santo Domingo
IAD
Washington
$401 Roundtrip, found 6 days ago
$401
Roundtrip
found 6 days ago
Select Copa flight, departing Fri, Nov 7 from Santo Domingo to Washington, returning Sun, Nov 9, priced at $401 found 6 days ago
Delta
Wed, Oct 1 - Wed, Oct 15
SDQ
Santo Domingo
IAD
Washington
$513 Roundtrip, found 2 hours ago
$513
Roundtrip
found 2 hours ago
Select Delta flight, departing Wed, Oct 1 from Santo Domingo to Washington, returning Wed, Oct 15, priced at $513 found 2 hours ago
United
Tue, Oct 14 - Sun, Oct 19
SDQ
Santo Domingo
IAD
Washington
$513 Roundtrip, found 2 hours ago
$513
Roundtrip
found 2 hours ago
Select United flight, departing Tue, Oct 14 from Santo Domingo to Washington, returning Sun, Oct 19, priced at $513 found 2 hours ago
American Airlines
Wed, Oct 1 - Wed, Oct 15
SDQ
Santo Domingo
IAD
Washington
$518 Roundtrip, found 2 hours ago
$518
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Wed, Oct 1 from Santo Domingo to Washington, returning Wed, Oct 15, priced at $518 found 2 hours ago

Find the cheapest month to fly from Santo Domingo (SDQ) to Washington (IAD)

December is typically the cheapest month to fly

From $347 - $1,097 per traveler.

Graph displaying average flight prices per month

Alternative airports near Washington

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

Select flight to Ronald Reagan Washington National DCA. Cheapest and Closest option available. Average driving time to city center is 8 minutes. Flights from $515
DCA
Ronald Reagan Washington National
CheapestClosest
Average driving time to city center8 min
Flights from $515
Flights from Santo Domingo (SDQ) to Washington (IAD)
Origin airport
Las Americas Intl.
Destination airport
Washington Dulles Intl.
Airlines serving
Aeromexico, American Airlines, Copa, Delta, Frontier Airlines, United, avianca
Roundtrip price
$363
Distance
1492 mi

Santo Domingo to Washington Flights

The cheapest times to fly from Santo Domingo to Washington

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 Santo Domingo to Washington are during the month of August. You can find some of the cheapest flights from Santo Domingo to Washington with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Santo Domingo to Washington

Sunday is one of the best days to book for cheap flights from Santo Domingo to Washington: 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 Santo Domingo to Washington

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 Santo Domingo to Washington in 2025. You can also book with separate airlines for your outbound and return journeys, from $197 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 Santo Domingo to Washington 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 Santo Domingo to Washington 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 Las Americas Intl. Airport (SDQ) to Washington Dulles Intl. Airport (IAD) cost?
Discover the latest flight deals from SDQ to IAD 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 SDQ to IAD?
The cheapest flights from SDQ to IAD 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 SDQ to IAD?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from SDQ to IAD. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Las Americas Intl. Airport (SDQ) to Washington Dulles Intl. Airport (IAD)?
Nonstop flights from Las Americas Intl. Airport (SDQ) to Washington Dulles Intl. Airport (IAD) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your dates and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from SDQ to IAD?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can vary depending on a number of factors, such as the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What airline has the least delays from SDQ to IAD?
United Airlines has the best performance for on-time direct flights from Las Americas Intl. Airport (SDQ) to Washington Dulles Intl. Airport (IAD), with an on-time score of 98%. Use the Expedia App to view your journey status before you head off and get real-time alerts about any changes.
What is the best time to fly from Las Americas Intl. Airport (SDQ) to Washington Dulles Intl. Airport (IAD)?
To land at Washington Dulles Intl. Airport (IAD) on schedule, opt for a flight that leaves from Las Americas Intl. Airport (SDQ) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**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 Las Americas Intl. Airport (SDQ) to Washington Dulles Intl. Airport (IAD) last-minute?
Booking your plane ticket from SDQ to IAD right before your journey is generally more expensive. However, if you're flexible with your departure dates and times, you could land a cheap last-minute fare.
Is it cheaper to book a SDQ to IAD flight and hotel package?
You can save money by booking a SDQ to IAD flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one place. After choosing your preferred flights and accommodations, you can add extras like tours, car rentals and activities.
Can I cancel or change the date of my flight from Las Americas Intl. Airport (SDQ) to Washington Dulles Intl. Airport (IAD)?
If you booked your SDQ to IAD flight in the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of fare you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for more information.

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*Available to One Key members.