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Santo Domingo

$156+ 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 11/9. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SDQ
Oct 19 — Oct 261
Sun 10/19
Sun 10/26
1 adult, Economy
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Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Santo Domingo Las Americas are usually found in August or March, booked 59 days in advance, depart on a Monday or Saturday and return on a Monday

Cheap 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 September 19, 2025.

Round-trip from

$349
(Booking.com)

One-way from

$156
(Frontier)

Popular in

December

Cheapest in

August

Average price

$598
From Washington, D.C. Dulles Intl to Santo Domingo Las Americas
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One-way flight from Washington, D.C. Dulles Intl to Santo Domingo Las Americas
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Highest demand for flights based on searches. 10% potential increase in price ($64 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($27 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 September 19, 2025.

This Copa Airlines deal was found by Cheapflights users on 9/18. 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 10/224:41 pmIAD - SDQ
1 stop10h 02mCopa Airlines
Sat 10/2511:57 amSDQ - IAD
1 stop16h 23mCopa Airlines
Deal found 9/18$387
This Copa Airlines deal was found by Cheapflights users on 9/18. 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.
Mon 10/272:25 amIAD - SDQ
1 stop8h 33mCopa Airlines
Tue 11/116:39 pmSDQ - IAD
1 stop9h 43mCopa Airlines
Deal found 9/18$388
This Copa Airlines deal was found by Cheapflights users on 9/18. 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 11/153:24 pmIAD - SDQ
1 stop10h 02mCopa Airlines
Sat 11/228:55 amSDQ - IAD
1 stop16h 12mCopa Airlines
Deal found 9/18$389
This Kiwi.com deal was found by Cheapflights users on 9/17. 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.
Fri 11/73:25 pmIAD - SDQ
1 stop29h 20mMultiple Airlines
Sun 11/163:35 pmSDQ - IAD
1 stop24h 34mMultiple Airlines
Deal found 9/17$392
This Copa Airlines deal was found by Cheapflights users on 9/17. 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 10/152:25 amIAD - SDQ
1 stop13h 50mCopa Airlines
Thu 10/238:58 amSDQ - IAD
1 stop19h 22mCopa Airlines
Deal found 9/17$401
This Mytrip deal was found by Cheapflights users on 9/18. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/25:00 amIAD - SDQ
2 stops10h 21mFrontier
Sun 11/94:19 pmSDQ - IAD
1 stop8h 52mFrontier
Deal found 9/18$404
This Gotogate deal was found by Cheapflights users on 9/18. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/89:00 amIAD - SDQ
1 stop28h 59mFrontier
Sun 10/123:14 pmSDQ - IAD
1 stop24h 25mFrontier
Deal found 9/18$407
This Frontier deal was found by Cheapflights users on 9/17. 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.
Thu 11/139:52 pmIAD - SDQ
2 stops18h 29mFrontier
Sun 11/164:19 pmSDQ - IAD
1 stop8h 52mFrontier
Deal found 9/17$408
This Copa Airlines deal was found by Cheapflights users on 9/17. 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 10/144:41 pmIAD - SDQ
1 stop18h 15mCopa Airlines
Tue 10/2111:57 amSDQ - IAD
1 stop16h 23mCopa Airlines
Deal found 9/17$416
This Copa Airlines deal was found by Cheapflights users on 9/18. 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.
Tue 11/118:22 amIAD - SDQ
1 stop13h 03mCopa Airlines
Thu 11/206:39 pmSDQ - IAD
1 stop9h 43mCopa Airlines
Deal found 9/18$418
This Frontier deal was found by Cheapflights users on 9/18. 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.
Sat 10/189:38 pmIAD - SDQ
2 stops16h 36mFrontier
Thu 10/233:14 pmSDQ - IAD
1 stop8h 15mFrontier
Deal found 9/18$419

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 September 19, 2025.
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

Dulles Intl

Fly to

Santo Domingo

Route

Depart

Return

Price

Washington, D.C.Santo Domingo

IAD - SDQ

IADSDQ

Washington, D.C. Dulles Intl

Wed 10/15

4:41 pm-2:43 am

1 stop10h 02m

Santo Domingo Las Americas

Wed 10/22

8:58 am-12:30 am

1 stop15h 32m

$387

Washington, D.C.Santo Domingo

IAD - SDQ

IADSDQ

Washington, D.C. Dulles Intl

Tue 10/14

2:25 am-4:15 pm

1 stop13h 50m

Santo Domingo Las Americas

Sun 10/19

11:57 am-4:20 am

1 stop16h 23m

$387

Washington, D.C.Santo Domingo

IAD - SDQ

IADSDQ

Washington, D.C. Dulles Intl

Wed 10/22

4:41 pm-2:43 am

1 stop10h 02m

Santo Domingo Las Americas

Sun 10/26

8:58 am-4:20 am

1 stop19h 22m

$387

Washington, D.C.Santo Domingo

IAD - SDQ

IADSDQ

Washington, D.C. Dulles Intl

Sat 11/15

3:24 pm-2:26 am

1 stop10h 02m

Santo Domingo Las Americas

Sat 11/22

8:55 am-12:07 am

1 stop16h 12m

$389

Washington, D.C.Santo Domingo

IAD - SDQ

IADSDQ

Washington, D.C. Dulles Intl

Mon 10/13

2:25 am-4:15 pm

1 stop13h 50m

Santo Domingo Las Americas

Wed 10/22

8:58 am-12:30 am

1 stop15h 32m

$401

Washington, D.C.Santo Domingo

IAD - SDQ

IADSDQ

Washington, D.C. Dulles Intl

Wed 10/15

2:25 am-4:15 pm

1 stop13h 50m

Santo Domingo Las Americas

Thu 10/23

8:58 am-4:20 am

1 stop19h 22m

$401

Washington, D.C.Santo Domingo

IAD - SDQ

IADSDQ

Washington, D.C. Dulles Intl

Wed 10/15

2:25 am-4:15 pm

1 stop13h 50m

Santo Domingo Las Americas

Sun 10/26

8:58 am-4:20 am

1 stop19h 22m

$401

Washington, D.C.Santo Domingo

IAD - SDQ

IADSDQ

Washington, D.C. Dulles Intl

Tue 10/28

4:41 pm-10:58 am

1 stop18h 17m

Santo Domingo Las Americas

Fri 10/31

8:58 am-4:20 am

1 stop19h 22m

$427

Washington, D.C.Santo Domingo

IAD - SDQ

IADSDQ

Washington, D.C. Dulles Intl

Sun 11/9

6:00 am-2:56 pm

1 stop7h 56m

$156

Washington, D.C.Santo Domingo

IAD - SDQ

IADSDQ

Washington, D.C. Dulles Intl

Sun 11/16

6:00 am-2:56 pm

1 stop7h 56m

$156

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/18

Showing 1-10 of 19 results
1
2

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 September 12, 2025.

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 59 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, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Santo Domingo (average of $362). Flying from Washington, D.C. Dulles Intl Airport to Santo Domingo in December is currently the most expensive (average of $583). 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.

What is the cheapest time of day to fly from IAD to SDQ?

Find hourly flight availability from Dulles Intl to Santo Domingo. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 19, 2025.

It’s optimal to fly from Washington, D.C. Dulles Intl Airport to Santo Domingo at noon. By choosing this option you can save up to 22% on the cost of your flight, compared to a flight in the morning.

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 September 19, 2025.
See what other customers who have flown with Delta, Copa Airlines, and United 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
8.0
Very good
7,964 reviews

Comfort

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,964 reviews
Delta
8.0
Very good
7,964 reviews

Comfort

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Copa Airlines
7.5
Good
1,531 reviews
Delta
8.0
Very good
7,964 reviews

Comfort

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,926 reviews
Delta
8.0
Very good
7,964 reviews

Comfort

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Frontier
5.8
Fair
3,171 reviews
Delta
8.0
Very good
7,964 reviews

Comfort

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 02m. 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 $355 and $464, respectively. Frontier is currently priced 44% 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, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Santo Domingo (average of $362). Flying from Washington, D.C. Dulles Intl Airport to Santo Domingo in December is currently the most expensive (average of $583). 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 September 19, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$310Average$388FlexibilityNo cancel feeOn-time62%
Copa AirlinesCheapest$355Average$493FlexibilityNo cancel feeOn-time70%
DeltaCheapest$464Average$699FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$507Average$688FlexibilityNo cancel feeOn-time69%

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