In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

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

When flying from Santo Domingo to Washington, D.C. Dulles Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

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.

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.

$241+ Cheap Flights from Santo Domingo to Washington, D.C. Dulles Intl Airport

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Cheap flight deals from Santo Domingo to Dulles Intl

Cheapest

Best

Last-minute

One-way

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 August 21, 2026.

Tue 10/1312:45 pm -

1 stop16h 35m

Tue 10/273:35 pm -

1 stop20h 15m

Deal found 8/20

$449

Mon 11/2312:45 pm -

1 stop16h 45m

Thu 12/35:50 am -

1 stop10h 00m

Deal found 8/17

$455

Tue 10/206:50 pm -

1 stop19h 25m

Sat 10/245:35 pm -

2 stops18h 15m

Deal found 8/17

$457

Fri 9/186:50 pm -

2 stops21h 05m

Thu 10/84:10 am -

2 stops13h 45m

Deal found 8/16

$458

Thu 9/36:50 pm -

1 stop10h 30m

Wed 9/163:35 pm -

1 stop20h 15m

Deal found 8/16

$485

Thu 11/195:45 pm -

1 stop11h 40m

Fri 11/275:45 am -

1 stop10h 05m

Deal found 8/19

$486

Sat 10/312:45 pm -

1 stop16h 35m

Wed 10/286:45 am -

1 stop10h 05m

Deal found 8/17

$489

Tue 10/66:50 pm -

1 stop10h 30m

Tue 10/133:35 pm -

1 stop20h 15m

Deal found 8/18

$490

Best flights from Santo Domingo to Dulles Intl
Discover carefully curated flight deals from Santo Domingo to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 21, 2026.

Mon 9/146:50 pm -

2 stops21h 05m

Sat 9/193:35 pm -

1 stop20h 15m

Deal found 8/20

$491

Wed 9/212:42 pm -

1 stop26h 22m

Fri 9/114:34 pm -

1 stop19h 08m

Deal found 8/18

$569

Fri 12/182:53 pm -

1 stop9h 28m

Mon 1/410:44 pm -

1 stop13h 57m

Deal found 8/19

$616

Thu 9/102:15 pm -

2 stops8h 36m

Thu 10/16:14 am -

2 stops9h 03m

Deal found 8/16

$637

Sun 12/201:57 pm -

1 stop11h 23m

Wed 1/612:30 pm -

1 stop11h 00m

Deal found 8/21

$639

Sat 9/126:50 pm -

2 stops21h 05m

Sat 9/195:35 pm -

2 stops18h 15m

Deal found 8/17

$492

Fri 9/112:16 pm -

1 stop10h 16m

Sat 9/122:25 am -

1 stop10h 48m

Deal found 8/19

$569

Thu 12/176:00 am -

1 stop16h 30m

Thu 1/76:00 am -

1 stop16h 46m

Deal found 8/20

$616

Thu 9/106:41 pm -

1 stop9h 39m

Wed 9/169:35 am -

1 stop16h 50m

Deal found 8/18

$609

Fri 9/186:50 pm -

2 stops21h 05m

Sat 10/106:50 am -

1 stop11h 05m

Deal found 8/20

$617

Tue 9/812:42 pm -

1 stop26h 22m

Fri 9/112:25 am -

1 stop24h 00m

Deal found 8/18

$610

Last-minute flights from Santo Domingo to Dulles Intl
Discover last-minute flight deals from Santo Domingo to Dulles Intl. Data last updated August 21, 2026 and is based on user searches.

Tue 9/16:50 pm -

2 stops21h 05m

Mon 9/73:35 pm -

1 stop20h 15m

Deal found 8/16

$457

Thu 9/36:50 pm -

1 stop10h 30m

Wed 9/163:35 pm -

1 stop20h 15m

Deal found 8/16

$485

Wed 9/96:50 pm -

2 stops31h 55m

Tue 9/153:35 pm -

1 stop26h 20m

Deal found 8/18

$537

Wed 9/912:45 pm -

2 stops38h 00m

Sun 9/135:35 pm -

2 stops18h 15m

Deal found 8/17

$543

Sat 9/126:50 pm -

2 stops21h 05m

Sat 9/195:35 pm -

2 stops18h 15m

Deal found 8/17

$492

Mon 9/146:50 pm -

2 stops21h 05m

Sat 9/193:35 pm -

1 stop20h 15m

Deal found 8/16

$491

Tue 9/159:30 am -

2 stops24h 25m

Tue 9/296:15 pm -

2 stops24h 19m

Deal found 8/17

$540

Fri 9/186:50 pm -

2 stops21h 05m

Thu 10/84:10 am -

2 stops13h 45m

Deal found 8/16

$458

One-way flights from Santo Domingo to Dulles Intl
Search for one-way flight options from Santo Domingo to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated August 21, 2026.

Mon 9/1412:41 pm -

2 stops31h 28m

Deal found 8/17

$241

Mon 11/210:56 am -

2 stops31h 16m

Deal found 8/21

$248

Tue 11/173:35 pm -

2 stops27h 01m

Deal found 8/16

$251

Wed 12/2312:41 pm -

1 stop8h 38m

Deal found 8/16

$255

Mon 11/910:56 am -

2 stops31h 16m

Deal found 8/20

$261

Mon 9/2112:41 pm -

2 stops21h 36m

Deal found 8/19

$263

Wed 12/1610:19 am -

1 stop24h 53m

Deal found 8/16

$265

Tue 10/277:00 am -

2 stops16h 33m

Deal found 8/19

$267

Tue 9/293:35 pm -

2 stops25h 43m

Deal found 8/18

$271

Fri 9/257:34 pm -

2 stops16h 22m

Deal found 8/21

$275

Find flight deals from Santo Domingo to Dulles Intl

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$449 (Avianca)
One-way from	$241 (Kiwi.com)
Popular in	August
Cheapest in	October
Average price	$692

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. 8% potential increase in price ($48 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in August 2026

Search Deals

Cheapflights Fare Finder

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 Santo Domingo Las Americas - IAD Washington, D.C. Dulles Intl

SDQIAD

Santo Domingo Las Americas

Mon 9/14

6:50 pm-3:55 pm

2 stops21h 05m

Washington, D.C. Dulles Intl

Sat 9/19

3:35 pm-11:50 am

1 stop20h 15m

$491

Santo DomingoWashington, D.C.

SDQ Santo Domingo Las Americas - IAD Washington, D.C. Dulles Intl

SDQIAD

Santo Domingo Las Americas

Sat 9/12

6:50 pm-3:55 pm

2 stops21h 05m

Washington, D.C. Dulles Intl

Sat 9/19

5:35 pm-11:50 am

2 stops18h 15m

$492

Santo DomingoWashington, D.C.

SDQ Santo Domingo Las Americas - IAD Washington, D.C. Dulles Intl

SDQIAD

Santo Domingo Las Americas

Wed 9/2

12:42 pm-3:04 pm

1 stop26h 22m

Washington, D.C. Dulles Intl

Fri 9/11

4:34 pm-11:42 am

1 stop19h 08m

$569

Santo DomingoWashington, D.C.

SDQ Santo Domingo Las Americas - IAD Washington, D.C. Dulles Intl

SDQIAD

Santo Domingo Las Americas

Fri 9/11

2:16 pm-12:32 am

1 stop10h 16m

Washington, D.C. Dulles Intl

Sat 9/12

2:25 am-1:13 pm

1 stop10h 48m

$569

Santo DomingoWashington, D.C.

SDQ Santo Domingo Las Americas - IAD Washington, D.C. Dulles Intl

SDQIAD

Santo Domingo Las Americas

Thu 9/10

6:41 pm-4:20 am

1 stop9h 39m

Washington, D.C. Dulles Intl

Wed 9/16

9:35 am-2:25 am

1 stop16h 50m

$609

Santo DomingoWashington, D.C.

SDQ Santo Domingo Las Americas - IAD Washington, D.C. Dulles Intl

SDQIAD

Santo Domingo Las Americas

Tue 9/8

12:42 pm-3:04 pm

1 stop26h 22m

Washington, D.C. Dulles Intl

Fri 9/11

2:25 am-2:25 am

1 stop24h 00m

$610

Santo DomingoWashington, D.C.

SDQ Santo Domingo Las Americas - IAD Washington, D.C. Dulles Intl

SDQIAD

Santo Domingo Las Americas

Fri 12/18

2:53 pm-11:21 pm

1 stop9h 28m

Washington, D.C. Dulles Intl

Mon 1/4

10:44 pm-1:41 pm

1 stop13h 57m

$616

Santo DomingoWashington, D.C.

SDQ Santo Domingo Las Americas - IAD Washington, D.C. Dulles Intl

SDQIAD

Santo Domingo Las Americas

Thu 12/17

6:00 am-9:30 pm

1 stop16h 30m

Washington, D.C. Dulles Intl

Thu 1/7

6:00 am-11:46 pm

1 stop16h 46m

$616

Santo DomingoWashington, D.C.

SDQ Santo Domingo Las Americas - IAD Washington, D.C. Dulles Intl

SDQIAD

Santo Domingo Las Americas

Fri 9/18

6:50 pm-3:55 pm

2 stops21h 05m

Washington, D.C. Dulles Intl

Sat 10/10

6:50 am-5:55 pm

1 stop11h 05m

$617

Quickest round-trip

Santo DomingoWashington, D.C.

SDQ Santo Domingo Las Americas - IAD Washington, D.C. Dulles Intl

SDQIAD

Santo Domingo Las Americas

Thu 9/10

2:15 pm-10:51 pm

2 stops8h 36m

Washington, D.C. Dulles Intl

Thu 10/1

6:14 am-3:17 pm

2 stops9h 03m

$637

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/20

Showing 1-10 of 21 resultsSorted by cheapest first

Compare providers for flights from Santo Domingo to Dulles Intl

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 August.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust 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.

SDQ-IAD

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?

Airfare is below average for this route at the moment.

Santo Domingo to Washington, D.C. Dulles Intl Airport flights typically cost between $516 and $884 in October.
The cheapest round-trip price found within the last 5 days was $449 on Avianca (Oct 13-Oct 27).

Related info for your journey

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 21h 05m. Avianca provides one of the quickest options available for as low as $491. The distance from Santo Domingo to Washington, D.C. Dulles Intl Airport is about 1492 mi. This flight may include one or multiple stops.
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.

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$241+ 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 9/14. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Santo Domingo to Dulles Intl with Cheapflights

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Cheap flight deals from Santo Domingo to Dulles Intl

Cheapest flights from Santo Domingo to Dulles IntlExplore 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 August 21, 2026.

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 August 21, 2026.

Best flights from Santo Domingo to Dulles IntlDiscover carefully curated flight deals from Santo Domingo to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 21, 2026.

Discover carefully curated flight deals from Santo Domingo to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 21, 2026.

Last-minute flights from Santo Domingo to Dulles IntlDiscover last-minute flight deals from Santo Domingo to Dulles Intl. Data last updated August 21, 2026 and is based on user searches.

Discover last-minute flight deals from Santo Domingo to Dulles Intl. Data last updated August 21, 2026 and is based on user searches.

One-way flights from Santo Domingo to Dulles IntlSearch for one-way flight options from Santo Domingo to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated August 21, 2026.

Search for one-way flight options from Santo Domingo to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated August 21, 2026.

Find flight deals from Santo Domingo to Dulles Intl

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Santo Domingo to Washington, D.C. Dulles Intl Airport that are best for you.

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 August.

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.

Cheapflights Insights

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

Airfare is below average for this route at the moment.

Santo Domingo to Washington, D.C. Dulles Intl Airport flights typically cost between $516 and $884 in October.The cheapest round-trip price found within the last 5 days was $449 on Avianca (Oct 13-Oct 27).

Related info for your journey

What airport do you fly from for flights from Santo Domingo to Washington, D.C. Dulles Intl?

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

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

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

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

Traveling to a place near Washington, D.C. Dulles Intl Airport?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Santo Domingo to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Dulles Intl by adding a car rental and/or hotel reservation to your travel itinerary.

Other flights to Dulles Intl

Explore flights to Dulles Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 21, 2026.

Search flights from Santo Domingo to Dulles Intl by cabin class

Find flights from Santo Domingo to Dulles Intl, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Santo Domingo and Dulles Intl flights

Browse other Santo Domingo and Dulles Intl flight options. Last updated on August 21, 2026.

Other flights from Santo Domingo

Browse through other flights departing from Santo Domingo. Flights are based on user searches made on Cheapflights and were last updated on August 21, 2026.

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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 August 21, 2026.

Best flights from Santo Domingo to Dulles Intl
Discover carefully curated flight deals from Santo Domingo to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 21, 2026.

Last-minute flights from Santo Domingo to Dulles Intl
Discover last-minute flight deals from Santo Domingo to Dulles Intl. Data last updated August 21, 2026 and is based on user searches.

One-way flights from Santo Domingo to Dulles Intl
Search for one-way flight options from Santo Domingo to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated August 21, 2026.

Santo Domingo to Washington, D.C. Dulles Intl Airport flights typically cost between $516 and $884 in October.
The cheapest round-trip price found within the last 5 days was $449 on Avianca (Oct 13-Oct 27).