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Santo Domingo

$152+ 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 8/23. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SDQ
Jul 30 — Aug 61
Wed 7/30
Wed 8/6
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 September or March, booked 8 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 July 25, 2025.

Round-trip from

$340
(FlightHub)

One-way from

$152
(SmartFares)

Popular in

December

Cheapest in

September

Average price

$596
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. 9% potential increase in price ($59 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 25, 2025.

This Priceline deal was found by Cheapflights users on 7/24. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/21:37 pmIAD - SDQ
1 stop21h 08mFrontier
Mon 8/119:50 pmSDQ - IAD
1 stop14h 06mFrontier
Deal found 7/24$339
This Kiwi.com deal was found by Cheapflights users on 7/24. 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 8/219:33 pmIAD - SDQ
1 stop14h 23mMultiple Airlines
Sat 8/301:01 pmSDQ - IAD
1 stop7h 47mMultiple Airlines
Deal found 7/24$360
This Copa Airlines deal was found by Cheapflights users on 7/24. 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 8/214:34 pmIAD - SDQ
1 stop18h 24mCopa Airlines
Wed 8/272:07 pmSDQ - IAD
1 stop10h 21mCopa Airlines
Deal found 7/24$439
This Delta deal was found by Cheapflights users on 7/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/212:30 pmIAD - SDQ
1 stop10h 59mDelta
Fri 11/146:40 amSDQ - IAD
1 stop10h 51mDelta
Deal found 7/24$465

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 July 25, 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

Sat 8/2

1:37 pm-10:45 am

1 stop21h 08m

Santo Domingo Las Americas

Mon 8/11

9:50 pm-11:56 am

1 stop14h 06m

$339

Washington, D.C.Santo Domingo

IAD - SDQ

IADSDQ

Washington, D.C. Dulles Intl

Thu 8/21

9:33 pm-11:56 am

1 stop14h 23m

Santo Domingo Las Americas

Sat 8/30

1:01 pm-8:48 pm

1 stop7h 47m

$360

Washington, D.C.Santo Domingo

IAD - SDQ

IADSDQ

Washington, D.C. Dulles Intl

Thu 8/21

4:34 pm-10:58 am

1 stop18h 24m

Santo Domingo Las Americas

Wed 8/27

2:07 pm-12:28 am

1 stop10h 21m

$439

Washington, D.C.Santo Domingo

IAD - SDQ

IADSDQ

Washington, D.C. Dulles Intl

Sun 9/7

7:22 am-1:22 pm

1 stop6h 00m

Santo Domingo Las Americas

Thu 9/18

2:50 pm-9:39 pm

1 stop6h 49m

$465

Washington, D.C.Santo Domingo

IAD - SDQ

IADSDQ

Washington, D.C. Dulles Intl

Wed 8/20

7:44 am-8:30 pm

2 stops12h 46m

Santo Domingo Las Americas

Wed 8/27

7:20 pm-12:48 pm

2 stops17h 28m

$469

Washington, D.C.Santo Domingo

IAD - SDQ

IADSDQ

Washington, D.C. Dulles Intl

Sat 8/23

11:11 am-12:48 pm

1 stop25h 37m

$152

Washington, D.C.Santo Domingo

IAD - SDQ

IADSDQ

Washington, D.C. Dulles Intl

Sat 8/23

9:33 pm-4:00 pm

2 stops18h 27m

$173

Washington, D.C.Santo Domingo

IAD - SDQ

IADSDQ

Washington, D.C. Dulles Intl

Wed 8/13

4:34 pm-10:58 am

1 stop18h 24m

$211

Washington, D.C.Santo Domingo

IAD - SDQ

IADSDQ

Washington, D.C. Dulles Intl

Thu 8/21

5:20 pm-9:25 am

2 stops16h 05m

$281

Washington, D.C.Santo Domingo

IAD - SDQ

IADSDQ

Washington, D.C. Dulles Intl

Fri 8/22

7:22 am-1:22 pm

1 stop6h 00m

$301

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/22

Showing 1-10 of 11 results
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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 July 18, 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 8 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 July 25, 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?

What’s the top layover airport for flights from Washington, D.C. Dulles Intl Airport to Santo Domingo?

Share of 1-stop round-trip flights from Washington, D.C. Dulles Intl Airport to Santo Domingo chosen by Cheapflights users in the past 12 months, using the same layover each way.

Panama City (PTY) – chosen by Cheapflights users on 70% of 1-stop itineraries from Washington, D.C. Dulles Intl Airport to Santo Domingo on Cheapflights.

What’s the cheapest layover airport for flights from Washington, D.C. Dulles Intl Airport to Santo Domingo?

Average round-trip fare for 1-stop flights from Washington, D.C. Dulles Intl Airport to Santo Domingo, chosen by Cheapflights users in the past 12 months, with the same layover each way.

San Juan (SJU) is the most affordable 1-stop option, with an average round-trip price of $379.

What’s the fastest layover option from Washington, D.C. Dulles Intl Airport to Santo Domingo?

Shortest average travel time for 1-stop one-way flights from Washington, D.C. Dulles Intl Airport to Santo Domingo, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Panama City (PTY) have the shortest average one-way travel time for 1-stop routes: 3h 30m.

Which airport typically offers the quickest layover for flights from Washington, D.C. Dulles Intl Airport to Santo Domingo?

Average layover duration for 1-stop one-way flights from Washington, D.C. Dulles Intl Airport to Santo Domingo, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Panama City (PTY) offer the fastest connection on this route, with an average layover time of 1h 43m.

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 July 25, 2025.
See what other customers who have flown with Delta, Copa Airlines, and American 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
7,967 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

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
7,967 reviews
Delta
8.0
Very good
7,967 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

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
1,490 reviews
Delta
8.0
Very good
7,967 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

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!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,967 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

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!
Avianca
6.7
Okay
2,384 reviews
Delta
8.0
Very good
7,967 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

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
5.9
Fair
3,244 reviews
Delta
8.0
Very good
7,967 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

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.

  • 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 $340. Additional round-trip tickets that might be worth considering are offered by Copa Airlines and Delta, with the lowest prices starting at $439 and $465, respectively. Frontier is currently priced 37% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Santo Domingo one-way?

    The cheapest airlines for a one-way flight from Washington, D.C. Dulles Intl Airport to Santo Domingo are Frontier ($152), Copa Airlines ($211), and American Airlines ($281).

  • 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 July 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$310Average$388FlexibilityNo cancel feeOn-time62%
Copa AirlinesCheapest$355Average$478FlexibilityNo cancel feeOn-time70%
DeltaCheapest$408Average$644FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$487Average$688FlexibilityNo cancel feeOn-time69%

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