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Santo Domingo

$149+ 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 4/10. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SDQ
Apr 15 — Apr 221
Wed 4/15
Wed 4/22
1 adult, Economy
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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 March 16, 2026.

This Justfly.com deal was found by Cheapflights users on 3/11. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/133:35 pm
IAD
-
SDQ
1 stop26h 20m
Avianca
Fri 4/1712:45 pm
SDQ
-
IAD
1 stop16h 35m
Avianca
Deal found 3/11$400
This Kiwi.com deal was found by Cheapflights users on 3/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/910:13 pm
IAD
-
SDQ
1 stop18h 16m
Multiple Airlines
Mon 4/272:35 pm
SDQ
-
IAD
2 stops10h 01m
Multiple Airlines
Deal found 3/11$402
This Trip.com deal was found by Cheapflights users on 3/12. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/236:50 am
IAD
-
SDQ
1 stop11h 05m
Avianca
Mon 4/276:50 pm
SDQ
-
IAD
1 stop10h 30m
Avianca
Deal found 3/12$404
This Kiwi.com deal was found by Cheapflights users on 3/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/510:13 pm
IAD
-
SDQ
1 stop15h 43m
Multiple Airlines
Mon 4/272:35 pm
SDQ
-
IAD
2 stops10h 01m
Multiple Airlines
Deal found 3/11$405
This Justfly.com deal was found by Cheapflights users on 3/11. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/145:35 pm
IAD
-
SDQ
2 stops24h 20m
Avianca
Tue 4/2112:45 pm
SDQ
-
IAD
1 stop25h 30m
Avianca
Deal found 3/11$406
This Frontier deal was found by Cheapflights users on 3/15. 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.
Fri 4/36:15 am
IAD
-
SDQ
1 stop8h 38m
Frontier
Wed 4/84:08 pm
SDQ
-
IAD
1 stop8h 28m
Frontier
Deal found 3/15$409
This Cheapflightsfares deal was found by Cheapflights users on 3/13. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/83:35 pm
IAD
-
SDQ
1 stop20h 15m
Avianca
Sun 5/1012:45 pm
SDQ
-
IAD
1 stop16h 35m
Avianca
Deal found 3/13$410
This Kiwi.com deal was found by Cheapflights users on 3/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/126:50 am
IAD
-
SDQ
1 stop29h 00m
Avianca
Fri 4/176:50 pm
SDQ
-
IAD
1 stop10h 30m
Avianca
Deal found 3/11$411
This FlightHub deal was found by Cheapflights users on 3/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/165:35 pm
IAD
-
SDQ
2 stops24h 20m
Avianca
Mon 4/206:50 pm
SDQ
-
IAD
1 stop10h 30m
Avianca
Deal found 3/11$416

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 March 16, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$400
(Justfly.com)

One-way from

$149
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$538
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. 11% potential increase in price ($72 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 March 16, 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

Wed 4/29

4:33 pm-10:54 am

1 stop18h 21m

Santo Domingo Las Americas

Sat 5/9

6:39 pm-4:21 am

1 stop9h 42m

$447

Washington, D.C.Santo Domingo

IAD - SDQ

IADSDQ

Washington, D.C. Dulles Intl

Sat 5/9

2:21 am-1:13 pm

1 stop10h 52m

Santo Domingo Las Americas

Mon 5/18

12:40 pm-12:33 am

1 stop11h 53m

$447

Washington, D.C.Santo Domingo

IAD - SDQ

IADSDQ

Washington, D.C. Dulles Intl

Wed 5/6

2:21 am-10:55 am

1 stop8h 34m

Santo Domingo Las Americas

Sat 5/9

12:40 pm-4:21 am

1 stop15h 41m

$447

Washington, D.C.Santo Domingo

IAD - SDQ

IADSDQ

Washington, D.C. Dulles Intl

Mon 5/25

4:38 pm-11:42 am

1 stop19h 04m

Santo Domingo Las Americas

Thu 5/28

2:14 pm-4:21 am

1 stop14h 07m

$447
Quickest round-trip

Washington, D.C.Santo Domingo

IAD - SDQ

IADSDQ

Washington, D.C. Dulles Intl

Wed 4/29

2:21 am-10:54 am

1 stop8h 33m

Santo Domingo Las Americas

Mon 5/4

6:39 pm-4:21 am

1 stop9h 42m

$457

Washington, D.C.Santo Domingo

IAD - SDQ

IADSDQ

Washington, D.C. Dulles Intl

Sun 4/5

4:33 pm-10:54 am

1 stop18h 21m

Santo Domingo Las Americas

Tue 4/14

12:38 pm-12:34 am

1 stop11h 56m

$457

Washington, D.C.Santo Domingo

IAD - SDQ

IADSDQ

Washington, D.C. Dulles Intl

Sat 4/11

4:33 pm-11:41 am

1 stop19h 08m

Santo Domingo Las Americas

Wed 4/15

8:43 am-12:34 am

1 stop15h 51m

$457

Washington, D.C.Santo Domingo

IAD - SDQ

IADSDQ

Washington, D.C. Dulles Intl

Thu 6/4

2:21 am-4:15 pm

1 stop13h 54m

Santo Domingo Las Americas

Sun 6/7

6:39 pm-4:21 am

1 stop9h 42m

$467

Washington, D.C.Santo Domingo

IAD - SDQ

IADSDQ

Washington, D.C. Dulles Intl

Thu 4/23

4:33 pm-11:41 am

1 stop19h 08m

Santo Domingo Las Americas

Tue 4/28

12:38 pm-4:22 am

1 stop15h 44m

$472

Washington, D.C.Santo Domingo

IAD - SDQ

IADSDQ

Washington, D.C. Dulles Intl

Fri 4/17

4:33 pm-10:54 am

1 stop18h 21m

Santo Domingo Las Americas

Sun 4/26

6:02 am-3:06 pm

1 stop9h 04m

$533

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/12

Showing 1-10 of 21 resultsSorted by cheapest first
1
2
3

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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-Santo Domingo flight deals on Cheapflights vs. FlightHub >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 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 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?

Use this chart to determine the optimal time to book a round-trip flight from Dulles Intl to Santo Domingo. Price data was last updated on March 13, 2026.

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 32 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 $213). Flying from Washington, D.C. Dulles Intl Airport to Santo Domingo in September is currently the most expensive (average of $580). 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.

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 March 16, 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
8,288 reviews

Crew

8.5

Boarding

8.1

Entertainment

7.8

Overall

7.9

Food

7.2

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,288 reviews
Delta
7.9
Good
8,288 reviews

Crew

8.5

Boarding

8.1

Entertainment

7.8

Overall

7.9

Food

7.2

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Copa Airlines
7.5
Good
1,568 reviews
Delta
7.9
Good
8,288 reviews

Crew

8.5

Boarding

8.1

Entertainment

7.8

Overall

7.9

Food

7.2

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,431 reviews
Delta
7.9
Good
8,288 reviews

Crew

8.5

Boarding

8.1

Entertainment

7.8

Overall

7.9

Food

7.2

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Frontier
5.7
Fair
3,031 reviews
Delta
7.9
Good
8,288 reviews

Crew

8.5

Boarding

8.1

Entertainment

7.8

Overall

7.9

Food

7.2

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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 18h 21m. 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 $310. 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 46% 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 $213). Flying from Washington, D.C. Dulles Intl Airport to Santo Domingo in September is currently the most expensive (average of $580). 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 March 16, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$310Average$552FlexibilityNo cancel feeOn-time62%
Copa AirlinesCheapest$314Average$478FlexibilityNo cancel feeOn-time70%
DeltaCheapest$504Average$699FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$508Average$731FlexibilityNo cancel feeOn-time69%

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