$291 Cheap Delta flights Washington (IAD) to Santo Domingo (SDQ)

Use the “Price (lowest to highest)” filter on Expedia to look for cheap Delta Air Lines return flights from $475 from IAD to SDQ. Affordable one-way fares from $291 are available as well.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Browse for round-trip or one-way flights to Santo Domingo in September or October. You could find a cheap fare with Delta Air Lines during these off-peak times.

Start your search for Delta Air Lines flights from IAD to SDQ about one month before you want to leave. The most affordable time to book an international flight is generally 18 to 29 days ahead of your travel date when you can save 17% versus booking four to five months in advance. Regardless of itinerary or ticket type, the best day of the week to book international airfare is usually Sunday. Friday can be the most expensive. Passengers who book on a Sunday can save an average of 17% compared to those who book on a Friday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

To see if there’s a direct route from IAD to SDQ with Delta Air Lines or any other carriers, use our “Nonstop” filter when looking for flights.

Search Delta Air Lines’s earliest flights from IAD to SDQ by selecting our “Early Morning” and “Morning” filters. Not only will you get to your destination sooner, early departures are also 20% less likely to be canceled.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

Las Americas Intl. Airport (SDQ) is the primary Santo Domingo hub for Delta Air Lines flights from Washington Dulles Intl. Airport (IAD).

Delta Air Lines makes flying from IAD to SDQ more enjoyable with an excellent in-flight experience and a rewarding loyalty program. You also have the chance to earn points with Delta SkyMiles. Be sure to sign up to our free One Key™ rewards program to earn OneKeyCash™*, which can be redeemed on future trips.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

You can usually change or cancel your flight, although there may be additional charges if your booking was made more than 24 hours ago. Need to keep your options open? Use our “Changes included” or “No cancel fee” filter to find flights that won’t charge you extra if you need to alter your plans. To modify your itinerary, visit “Trips,” select your flight and click on “Manage Booking” for further information.