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Santo Domingo

$174+ Cheap flights from Dulles Intl (IAD) to Santo Domingo (SDQ)

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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SDQ
Jun 12 — Jun 191
Fri 6/12
Fri 6/19
1 adult, Economy
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Find cheap flights from Dulles Intl to Santo Domingo with Cheapflights

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Cheap flight deals from Dulles Intl to Santo Domingo

Cheapest flights from Dulles Intl to Santo Domingo
Explore the most affordable flight options available from Dulles Intl to Santo Domingo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 13, 2026.

This Frontier deal was found by Cheapflights users on 5/12. 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 6/95:30 pm
IAD
-
SDQ
2 stops17h 36m
Frontier
Tue 6/1611:55 am
SDQ
-
IAD
2 stops20h 30m
Frontier
Deal found 5/12$497
This Copa Airlines deal was found by Cheapflights users on 5/11. 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 5/312:21 am
IAD
-
SDQ
1 stop9h 21m
Copa Airlines
Thu 6/412:10 pm
SDQ
-
IAD
1 stop16h 11m
Copa Airlines
Deal found 5/11$498
This eDestinos deal was found by Cheapflights users on 5/8. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/58:47 pm
IAD
-
SDQ
2 stops38h 18m
Frontier
Tue 6/1612:21 pm
SDQ
-
IAD
2 stops29h 10m
Frontier
Deal found 5/8$501
This Copa Airlines deal was found by Cheapflights users on 5/11. 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 6/104:38 pm
IAD
-
SDQ
1 stop19h 04m
Copa Airlines
Sun 6/146:39 pm
SDQ
-
IAD
1 stop9h 42m
Copa Airlines
Deal found 5/11$512
This Copa Airlines deal was found by Cheapflights users on 5/13. 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 6/152:21 am
IAD
-
SDQ
1 stop13h 54m
Copa Airlines
Tue 6/236:39 pm
SDQ
-
IAD
1 stop9h 42m
Copa Airlines
Deal found 5/13$513
This eDestinos deal was found by Cheapflights users on 5/9. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2911:07 am
IAD
-
SDQ
2 stops26h 32m
Frontier
Sat 6/1312:21 pm
SDQ
-
IAD
2 stops46h 01m
Frontier
Deal found 5/9$517
This Copa Airlines deal was found by Cheapflights users on 5/12. 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.
Thu 5/284:38 pm
IAD
-
SDQ
1 stop19h 04m
Copa Airlines
Mon 6/12:14 pm
SDQ
-
IAD
1 stop14h 07m
Copa Airlines
Deal found 5/12$518
This Copa Airlines deal was found by Cheapflights users on 5/13. 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.
Tue 5/262:21 am
IAD
-
SDQ
1 stop10h 52m
Copa Airlines
Wed 6/312:40 pm
SDQ
-
IAD
1 stop15h 41m
Copa Airlines
Deal found 5/13$522
This eDestinos deal was found by Cheapflights users on 5/9. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/308:47 pm
IAD
-
SDQ
2 stops16h 52m
Frontier
Sat 6/1312:21 pm
SDQ
-
IAD
2 stops46h 01m
Frontier
Deal found 5/9$526
This Copa Airlines deal was found by Cheapflights users on 5/13. 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 6/64:38 pm
IAD
-
SDQ
1 stop19h 04m
Copa Airlines
Sat 6/2012:10 pm
SDQ
-
IAD
1 stop16h 11m
Copa Airlines
Deal found 5/13$527
This Copa Airlines deal was found by Cheapflights users on 5/12. 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.
Tue 9/299:35 am
IAD
-
SDQ
1 stop13h 21m
Copa Airlines
Fri 10/912:42 pm
SDQ
-
IAD
1 stop15h 38m
Copa Airlines
Deal found 5/12$528
This Kiwi.com deal was found by Cheapflights users on 5/12. 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.
Mon 6/12:21 am
IAD
-
SDQ
1 stop10h 47m
Copa Airlines
Sun 6/78:45 am
SDQ
-
IAD
1 stop19h 36m
Copa Airlines
Deal found 5/12$529

Find flight deals from Dulles Intl to Santo Domingo

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Santo Domingo (SDQ). 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 13, 2026.

Most accurate provider

Ovago
3 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$497
(Frontier)

One-way from

$174
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$588
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Santo Domingo Las Americas flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Santo Domingo Las Americas flights.
Search Deals
From Washington, D.C. Dulles Intl to Santo Domingo Las Americas
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Santo Domingo Las Americas
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($86 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($25 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 Dulles Intl to Santo Domingo 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 13, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Santo Domingo that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Santo Domingo

IAD - SDQ

IADSDQ

Washington, D.C. Dulles Intl

Thu 10/1

2:25 am-1:12 pm

1 stop10h 47m

Santo Domingo Las Americas

Mon 10/5

6:41 pm-4:20 am

1 stop9h 39m

$498

Washington, D.C.Santo Domingo

IAD - SDQ

IADSDQ

Washington, D.C. Dulles Intl

Mon 9/14

4:34 pm-10:55 am

1 stop18h 21m

Santo Domingo Las Americas

Sat 9/26

12:12 pm-12:32 am

1 stop12h 20m

$498

Washington, D.C.Santo Domingo

IAD - SDQ

IADSDQ

Washington, D.C. Dulles Intl

Wed 6/3

4:38 pm-11:42 am

1 stop19h 04m

Santo Domingo Las Americas

Sun 6/7

12:40 pm-4:21 am

1 stop15h 41m

$498

Washington, D.C.Santo Domingo

IAD - SDQ

IADSDQ

Washington, D.C. Dulles Intl

Fri 6/5

4:38 pm-10:55 am

1 stop18h 17m

Santo Domingo Las Americas

Mon 6/8

12:10 pm-4:21 am

1 stop16h 11m

$498

Washington, D.C.Santo Domingo

IAD - SDQ

IADSDQ

Washington, D.C. Dulles Intl

Sun 5/31

2:21 am-1:13 pm

1 stop10h 52m

Santo Domingo Las Americas

Mon 6/8

2:11 pm-4:21 am

1 stop14h 10m

$498

Washington, D.C.Santo Domingo

IAD - SDQ

IADSDQ

Washington, D.C. Dulles Intl

Sat 8/29

2:25 am-1:13 pm

1 stop10h 48m

Santo Domingo Las Americas

Sat 9/12

12:12 pm-4:20 am

1 stop16h 08m

$513

Washington, D.C.Santo Domingo

IAD - SDQ

IADSDQ

Washington, D.C. Dulles Intl

Mon 8/31

2:25 am-10:55 am

1 stop8h 30m

Santo Domingo Las Americas

Fri 9/4

12:42 pm-4:20 am

1 stop15h 38m

$513

Washington, D.C.Santo Domingo

IAD - SDQ

IADSDQ

Washington, D.C. Dulles Intl

Wed 8/26

6:26 am-4:15 pm

1 stop9h 49m

Santo Domingo Las Americas

Wed 9/2

2:16 pm-12:32 am

1 stop10h 16m

$513

Washington, D.C.Santo Domingo

IAD - SDQ

IADSDQ

Washington, D.C. Dulles Intl

Mon 6/15

2:21 am-4:15 pm

1 stop13h 54m

Santo Domingo Las Americas

Tue 6/23

6:39 pm-4:21 am

1 stop9h 42m

$513

Washington, D.C.Santo Domingo

IAD - SDQ

IADSDQ

Washington, D.C. Dulles Intl

Thu 5/28

2:21 am-1:13 pm

1 stop10h 52m

Santo Domingo Las Americas

Sat 6/13

12:10 pm-4:21 am

1 stop16h 11m

$518

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/8

Showing 1-10 of 23 resultsSorted by cheapest first
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Compare providers for flights from Dulles Intl to Santo Domingo

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 Dulles Intl to Santo Domingo in May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star

*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 Washington, D.C. Dulles Intl Airport-Santo Domingo flights, users find the pricing of Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on Washington, D.C. Dulles Intl Airport-Santo Domingo flight deals on Cheapflights vs. Ovago >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Santo Domingo flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Santo Domingo flights, Cheapflights users trust Ovago the most. Ovago 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 Washington, D.C. Dulles Intl Airport-Santo Domingo 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 Dulles Intl to Santo Domingo

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

How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to Santo Domingo?

The price you pay for your flight from Washington, D.C. Dulles Intl Airport to Santo Domingo may vary depending on when you book. For the best chance of a lower fare, look to book 31 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Santo Domingo?

Currently, August is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Santo Domingo (average of $342). Flying from Washington, D.C. Dulles Intl Airport to Santo Domingo in December is currently the most expensive (average of $886). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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

Reviews of airlines servicing Santo Domingo

Get insights into the airlines that provide service to Santo Domingo. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Santo Domingo. Reviews last updated May 13, 2026.
See what other customers who have flown with Delta,Copa Airlines, andUnited Airlines from Washington, D.C. Dulles Intl Airport to Santo Domingo have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,453 reviews

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.8

Overall

7.9

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Delta
7.9
Good
8,453 reviews
Delta
7.9
Good
8,453 reviews

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.8

Overall

7.9

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Copa Airlines
7.5
Good
1,584 reviews
Delta
7.9
Good
8,453 reviews

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.8

Overall

7.9

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
United Airlines
7.4
Good
9,711 reviews
Delta
7.9
Good
8,453 reviews

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.8

Overall

7.9

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Frontier
5.6
Fair
2,952 reviews
Delta
7.9
Good
8,453 reviews

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.8

Overall

7.9

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Related info for your journey

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

    Most people fly into Santo Domingo Las Americas (SDQ) if they book a flight to Santo Domingo from Washington, D.C. Dulles Intl. On average, Las Americas has 0 inbound flights from Washington, D.C. Dulles Intl per day from 4 airlines. Santo Domingo Las Americas is conveniently located just 17.5 mi from Santo Domingo’s city center.

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

    Departing from Washington, D.C. Dulles Intl Airport to Santo Domingo will take you 10h 47m. The distance between Washington, D.C. Dulles Intl Airport and Santo Domingo is about 1492 mi.

  • What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Santo Domingo round-trip?

    Flying on Frontier is currently your cheapest option to Santo Domingo, with prices starting at $191. Additional round-trip tickets that might be worth considering are offered by Copa Airlines and Delta, with the lowest prices starting at $314 and $504, respectively. Frontier is currently priced 68% below the average price you’ll pay for this route.

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

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

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

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

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

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

  • What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Santo Domingo?

    Currently, August is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Santo Domingo (average of $342). Flying from Washington, D.C. Dulles Intl Airport to Santo Domingo in December is currently the most expensive (average of $886). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Santo Domingo?

Book flights to Santo Domingo if you plan to visit one of these locations
Juan Dolio

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Top 4 airlines flying from Dulles Intl to Santo Domingo

Discover the top 4 airlines that operate flights from Dulles Intl to Santo Domingo. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 13, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$191Average$712FlexibilityNo cancel feeOn-time62%
Copa AirlinesCheapest$314Average$506FlexibilityNo cancel feeOn-time70%
DeltaCheapest$504Average$778FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$508Average$723FlexibilityNo cancel feeOn-time69%

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