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Dulles Intl

$233+ 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 8/26. Fares are subject to change and may not be available on all flights or dates of travel.
SDQ — IAD
Jun 21 — Jun 281
Sun 6/21
Sun 6/28
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 May 22, 2026.

This Copa Airlines deal was found by Cheapflights users on 5/18. 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 5/298:45 am
SDQ
-
IAD
1 stop15h 48m
Copa Airlines
Sun 7/262:22 am
IAD
-
SDQ
1 stop9h 20m
Copa Airlines
Deal found 5/18$516
This Copa Airlines deal was found by Cheapflights users on 5/18. 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 6/246:39 pm
SDQ
-
IAD
1 stop20h 26m
Copa Airlines
Mon 8/102:25 am
IAD
-
SDQ
1 stop13h 50m
Copa Airlines
Deal found 5/18$534
This Copa Airlines deal was found by Cheapflights users on 5/21. 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 5/298:45 am
SDQ
-
IAD
1 stop19h 36m
Copa Airlines
Sun 5/312:21 am
IAD
-
SDQ
1 stop24h 04m
Copa Airlines
Deal found 5/21$540
This Copa Airlines deal was found by Cheapflights users on 5/21. 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.
Mon 7/2012:13 pm
SDQ
-
IAD
1 stop16h 08m
Copa Airlines
Thu 8/204:34 pm
IAD
-
SDQ
1 stop23h 41m
Copa Airlines
Deal found 5/21$557
This Kiwi.com deal was found by Cheapflights users on 5/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/276:39 pm
SDQ
-
IAD
1 stop29h 54m
Copa Airlines
Sat 5/304:38 pm
IAD
-
SDQ
1 stop9h 47m
Copa Airlines
Deal found 5/18$561
This Copa Airlines deal was found by Cheapflights users on 5/18. 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.
Sat 5/236:39 pm
SDQ
-
IAD
1 stop9h 42m
Copa Airlines
Sun 6/74:38 pm
IAD
-
SDQ
1 stop20h 30m
Copa Airlines
Deal found 5/18$563
This Avianca deal was found by Cheapflights users on 5/22. 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 5/2912:45 pm
SDQ
-
IAD
1 stop16h 35m
Avianca
Mon 6/13:35 pm
IAD
-
SDQ
1 stop20h 15m
Avianca
Deal found 5/22$577
This Avianca deal was found by Cheapflights users on 5/20. 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.
Thu 7/96:50 pm
SDQ
-
IAD
1 stop10h 30m
Avianca
Wed 7/156:50 am
IAD
-
SDQ
1 stop11h 05m
Avianca
Deal found 5/20$578
This Avianca deal was found by Cheapflights users on 5/22. 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 9/186:50 pm
SDQ
-
IAD
2 stops21h 05m
Avianca
Sat 10/105:35 pm
IAD
-
SDQ
2 stops18h 15m
Avianca
Deal found 5/22$580
This Frontier deal was found by Cheapflights users on 5/18. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2112:01 pm
SDQ
-
IAD
2 stops11h 12m
Frontier
Tue 7/285:30 pm
IAD
-
SDQ
2 stops17h 33m
Frontier
Deal found 5/18$585
This Copa Airlines deal was found by Cheapflights users on 5/18. 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.
Sat 6/208:45 am
SDQ
-
IAD
1 stop15h 48m
Copa Airlines
Tue 6/304:38 pm
IAD
-
SDQ
1 stop23h 37m
Copa Airlines
Deal found 5/18$599

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 May 22, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$516
(Copa Airlines)

One-way from

$233
(Kiwi.com)

Popular in

September

Cheapest in

October

Average price

$453
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. 13% potential increase in price ($94 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 10% potential price decrease ($57 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 May 22, 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

Santo DomingoWashington, D.C.

SDQ - IAD

SDQIAD

Santo Domingo Las Americas

Fri 6/5

2:11 pm-4:21 am

1 stop14h 10m

Washington, D.C. Dulles Intl

Mon 6/15

2:21 am-4:15 pm

1 stop13h 54m

$516

Santo DomingoWashington, D.C.

SDQ - IAD

SDQIAD

Santo Domingo Las Americas

Wed 10/14

2:16 pm-4:20 am

1 stop14h 04m

Washington, D.C. Dulles Intl

Mon 10/19

4:34 pm-2:25 am

1 stop9h 51m

$516
Quickest round-trip

Santo DomingoWashington, D.C.

SDQ - IAD

SDQIAD

Santo Domingo Las Americas

Fri 9/18

2:16 pm-12:32 am

1 stop10h 16m

Washington, D.C. Dulles Intl

Sat 10/10

4:34 pm-2:25 am

1 stop9h 51m

$516

Santo DomingoWashington, D.C.

SDQ - IAD

SDQIAD

Santo Domingo Las Americas

Fri 10/2

2:16 pm-12:32 am

1 stop10h 16m

Washington, D.C. Dulles Intl

Mon 10/5

4:34 pm-11:41 am

1 stop19h 07m

$516

Santo DomingoWashington, D.C.

SDQ - IAD

SDQIAD

Santo Domingo Las Americas

Wed 11/4

6:39 pm-3:13 am

1 stop9h 34m

Washington, D.C. Dulles Intl

Tue 11/10

1:12 am-2:17 am

1 stop24h 05m

$534

Santo DomingoWashington, D.C.

SDQ - IAD

SDQIAD

Santo Domingo Las Americas

Thu 9/10

2:16 pm-3:04 pm

1 stop24h 48m

Washington, D.C. Dulles Intl

Fri 9/18

2:25 am-1:13 pm

1 stop10h 48m

$534

Santo DomingoWashington, D.C.

SDQ - IAD

SDQIAD

Santo Domingo Las Americas

Thu 7/23

6:07 am-4:21 am

1 stop22h 14m

Washington, D.C. Dulles Intl

Sat 7/25

2:22 am-11:42 am

1 stop9h 20m

$534

Santo DomingoWashington, D.C.

SDQ - IAD

SDQIAD

Santo Domingo Las Americas

Mon 6/1

8:45 am-4:21 am

1 stop19h 36m

Washington, D.C. Dulles Intl

Fri 6/5

2:21 am-1:08 pm

1 stop10h 47m

$540

Santo DomingoWashington, D.C.

SDQ - IAD

SDQIAD

Santo Domingo Las Americas

Fri 7/24

12:43 pm-4:21 am

1 stop15h 38m

Washington, D.C. Dulles Intl

Sat 7/25

2:22 am-11:42 am

1 stop9h 20m

$557

Santo DomingoWashington, D.C.

SDQ - IAD

SDQIAD

Santo Domingo Las Americas

Mon 7/20

12:13 pm-4:21 am

1 stop16h 08m

Washington, D.C. Dulles Intl

Thu 8/20

4:34 pm-4:15 pm

1 stop23h 41m

$557

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/18

Showing 1-10 of 20 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 May.
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 14h 10m. Copa Airlines provides one of the quickest options available for as low as $516. 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
Tysons
Owings Mills
Springfield
Arlington
Herndon
Rockville
Hyattsville
Manassas
Fredericksburg
Hanover
Chantilly
Laurel
Falls Church
Waldorf
Silver Spring
Largo
Clinton
Reston
Hunt Valley

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