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Dulles Intl

$240+ Cheap flights from Santo Domingo (SDQ) to Dulles Intl (IAD)

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 10/12. Fares are subject to change and may not be available on all flights or dates of travel.
SDQ — IAD
Aug 2 — Aug 91
Sun 8/2
Sun 8/9
1 adult, Economy
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Cheap flight deals from Santo Domingo to Dulles Intl

Cheapest flights from Santo Domingo to Dulles Intl
Explore the most affordable flight options available from Santo Domingo to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2026.

This Copa Airlines deal was found by Cheapflights users on 6/30. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1812:42 pm
SDQ
-
IAD
1 stop15h 38m
Copa Airlines
Sat 10/104:34 pm
IAD
-
SDQ
1 stop9h 51m
Copa Airlines
Deal found 6/30$514
This Copa 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1812:42 pm
SDQ
-
IAD
1 stop11h 50m
Copa Airlines
Wed 10/72:25 am
IAD
-
SDQ
1 stop10h 47m
Copa Airlines
Deal found 7/2$521
This Copa Airlines deal was found by Cheapflights users on 6/29. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2112:43 pm
SDQ
-
IAD
1 stop15h 38m
Copa Airlines
Fri 9/112:25 am
IAD
-
SDQ
1 stop10h 48m
Copa Airlines
Deal found 6/29$532
This Copa 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2112:12 pm
SDQ
-
IAD
1 stop12h 20m
Copa Airlines
Wed 11/41:16 am
IAD
-
SDQ
1 stop20h 42m
Copa Airlines
Deal found 7/1$534
This Copa 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/82:17 pm
SDQ
-
IAD
1 stop11h 30m
Copa Airlines
Sun 7/122:22 am
IAD
-
SDQ
1 stop8h 33m
Copa Airlines
Deal found 7/1$552
This Copa 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/208:55 am
SDQ
-
IAD
1 stop19h 24m
Copa Airlines
Tue 1/51:13 am
IAD
-
SDQ
1 stop10h 55m
Copa Airlines
Deal found 7/3$554
This Copa 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/182:16 pm
SDQ
-
IAD
1 stop14h 04m
Copa Airlines
Mon 11/23:37 pm
IAD
-
SDQ
1 stop19h 08m
Copa Airlines
Deal found 7/3$556
This Avianca 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2912:45 pm
SDQ
-
IAD
1 stop16h 35m
Avianca
Wed 8/263:35 pm
IAD
-
SDQ
1 stop20h 15m
Avianca
Deal found 7/2$586
This Avianca deal was found by Cheapflights users on 6/30. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/235:45 pm
SDQ
-
IAD
1 stop11h 45m
Avianca
Thu 12/35:50 am
IAD
-
SDQ
1 stop10h 00m
Avianca
Deal found 6/30$587
This Avianca 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2812:45 pm
SDQ
-
IAD
1 stop16h 35m
Avianca
Wed 8/265:35 pm
IAD
-
SDQ
2 stops18h 15m
Avianca
Deal found 7/2$588
This Avianca deal was found by Cheapflights users on 6/29. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1812:45 pm
SDQ
-
IAD
1 stop16h 35m
Avianca
Thu 10/84:10 am
IAD
-
SDQ
2 stops13h 45m
Avianca
Deal found 6/29$589

Find flight deals from Santo Domingo to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Santo Domingo (SDQ) to Dulles Intl (IAD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$514
(Copa Airlines)

One-way from

$240
(Kiwi.com)

Popular in

September

Cheapest in

October

Average price

$528
Provider with most accurate pricing for Santo Domingo Las Americas-Washington, D.C. Dulles Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Santo Domingo Las Americas-Washington, D.C. Dulles Intl flights.
Search Deals
From Santo Domingo Las Americas to Washington, D.C. Dulles Intl
Search Deals
One-way flight from Santo Domingo Las Americas to Washington, D.C. Dulles Intl
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($120 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 10% potential price decrease ($56 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Santo Domingo to Dulles Intl 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, 2026.
Use the filters below to find and compare flights from Santo Domingo to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

Santo DomingoWashington, D.C.

SDQ - IAD

SDQIAD

Santo Domingo Las Americas

Fri 9/18

12:42 pm-12:32 am

1 stop11h 50m

Washington, D.C. Dulles Intl

Wed 10/7

2:25 am-1:12 pm

1 stop10h 47m

$514

Santo DomingoWashington, D.C.

SDQ - IAD

SDQIAD

Santo Domingo Las Americas

Wed 9/16

6:41 pm-4:20 am

1 stop9h 39m

Washington, D.C. Dulles Intl

Thu 9/17

4:34 pm-10:55 am

1 stop18h 21m

$514

Santo DomingoWashington, D.C.

SDQ - IAD

SDQIAD

Santo Domingo Las Americas

Fri 9/18

12:42 pm-4:20 am

1 stop15h 38m

Washington, D.C. Dulles Intl

Sat 10/10

4:34 pm-2:25 am

1 stop9h 51m

$514

Santo DomingoWashington, D.C.

SDQ - IAD

SDQIAD

Santo Domingo Las Americas

Mon 10/19

2:16 pm-4:20 am

1 stop14h 04m

Washington, D.C. Dulles Intl

Tue 11/3

3:37 pm-1:10 pm

1 stop20h 33m

$514

Santo DomingoWashington, D.C.

SDQ - IAD

SDQIAD

Santo Domingo Las Americas

Fri 8/21

12:43 pm-4:21 am

1 stop15h 38m

Washington, D.C. Dulles Intl

Fri 9/11

2:25 am-1:13 pm

1 stop10h 48m

$532

Santo DomingoWashington, D.C.

SDQ - IAD

SDQIAD

Santo Domingo Las Americas

Wed 7/15

2:17 pm-1:47 am

1 stop11h 30m

Washington, D.C. Dulles Intl

Wed 7/29

6:25 am-2:25 am

1 stop20h 00m

$534

Santo DomingoWashington, D.C.

SDQ - IAD

SDQIAD

Santo Domingo Las Americas

Sun 10/18

2:16 pm-4:20 am

1 stop14h 04m

Washington, D.C. Dulles Intl

Mon 11/2

3:37 pm-11:45 am

1 stop19h 08m

$552

Santo DomingoWashington, D.C.

SDQ - IAD

SDQIAD

Santo Domingo Las Americas

Sun 12/20

8:55 am-3:19 am

1 stop19h 24m

Washington, D.C. Dulles Intl

Tue 1/5

1:13 am-1:08 pm

1 stop10h 55m

$554
Cheapest one-way

Santo DomingoWashington, D.C.

SDQ - IAD

SDQIAD

Santo Domingo Las Americas

Wed 9/2

12:41 pm-5:14 pm

3 stops28h 33m

$303

Santo DomingoWashington, D.C.

SDQ - IAD

SDQIAD

Santo Domingo Las Americas

Wed 9/9

1:10 pm-7:19 am

1 stop18h 09m

$399

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

Compare providers for flights from Santo Domingo to Dulles Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Santo Domingo to Dulles Intl in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Santo Domingo-Washington, D.C. Dulles Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Santo Domingo-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Santo Domingo-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Santo Domingo-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Santo Domingo-Washington, D.C. Dulles Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Santo Domingo to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Santo Domingo 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 Santo Domingo to Washington, D.C. Dulles Intl Airport

How much does it cost to fly round-trip from Santo Domingo to Washington, D.C. Dulles Intl Airport?

Related info for your journey

Find useful and relevant information for your journey from Santo Domingo to Dulles Intl. 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 Santo Domingo to Washington, D.C. Dulles Intl?

    Santo Domingo Las Americas (SDQ) is the airport you will fly out of if you book a flight from Santo Domingo to Washington, D.C. Dulles Intl. You should not have trouble finding flights to Washington, D.C. Dulles Intl from Las Americas; the airport handles an average of 0 outbound flights to Washington, D.C. Dulles Intl per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the Santo Domingo airport to Washington, D.C. Dulles Intl. It is only a 17.5 mi journey to Las Americas (SDQ) from Santo Domingo’s city center.

  • How long is the flight from Santo Domingo to Washington, D.C. Dulles Intl Airport?

    A quick flight from Santo Domingo to Washington, D.C. Dulles Intl Airport can take about 11h 50m. Copa Airlines provides one of the quickest options available for as low as $514. The distance from Santo Domingo to Washington, D.C. Dulles Intl Airport is about 1492 mi.

  • Can I find deals for flights from Santo Domingo to Dulles Intl that include hotel bookings?

    Yes. In addition to deals on Santo Domingo to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Santo Domingo to Dulles Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Santo Domingo to Dulles Intl.

  • Can I find deals for business class flights from Santo Domingo to Dulles Intl?

    Yes. Cheapflights offers flight deals from Santo Domingo to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Alexandria
Arlington
Tysons
Owings Mills
Springfield
Lanham
Reston
Herndon
Rockville
Hyattsville
Falls Church
Fredericksburg
Hanover
Chantilly
Manassas
Silver Spring
Laurel
Clinton
Hunt Valley
Cordova

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