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 $393. Additional round-trip tickets that might be worth considering are offered by Copa Airlines and American Airlines, with the lowest prices starting at $439 and $469, respectively. Frontier is currently priced 25% 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 ($138), Copa Airlines ($211), and American Airlines ($281).

What is the cheapest day to fly from Washington, D.C. Dulles Intl Airport to Santo Domingo?

Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Santo Domingo flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Tuesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Santo Domingo ranges from 1.6 - 6.7 inches per month. May is typically the wettest month, when rainfall can reach 6.7 in. February is typically the driest time to visit Santo Domingo when rainfall is around 1.6 in.

If weather is an important factor for your trip to Santo Domingo, use this chart to help with planning. For those seeking warmer temperatures, June 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 75.2 F).

What are the most popular airlines that fly from Washington, D.C. Dulles Intl Airport to Santo Domingo?

When booking a flight from Washington, D.C. Dulles Intl Airport to Santo Domingo, you may want to consider flying on Copa Airlines, Delta or United Airlines as they are the most popular for this route.

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

January can be a great time to fly to Santo Domingo from Washington, D.C. Dulles Intl Airport with a flight ticket averaging about $552. Cheapflights users have found deals in the month of January for as cheap as $296. The most expensive prices can be found in the month of December.

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 3 airlines. Santo Domingo Las Americas is conveniently located just 17.5 mi from Santo Domingo’s city center.

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.

$138+ Flights from Washington, D.C. Dulles Intl Airport to Santo Domingo

Q: What is the cheapest day to fly round-trip from Washington, D.C. Dulles Intl Airport to Santo Domingo?

Flying to your destination on a Saturday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Santo Domingo. Check prices with Cheapflights to find a great deal for your trip.

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

Travelers have found it’s best to book a flight 44 days in advance to save up to 95% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 44 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Washington, D.C. Dulles Intl Airport to Santo Domingo 1-2 weeks in advance for as low as $520, or $699 for flights within the next 24 hours.

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Dulles Intl to Santo Domingo with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Santo Domingo Las Americas are usually found in January or September, 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

Round-trip from	$393 (Expedia)
One-way from	$138 (Priceline)
Popular in	December
Cheapest in	January
Average price	$598

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. 9% potential increase in price ($55 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($24 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in July 2025

Search Deals

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 3, 2025.

Sun 7/612:31 pmIAD - SDQ

1 stop23h 46mFrontier

Tue 7/81:48 amSDQ - IAD

1 stop22h 24mFrontier

Deal found 7/3

$378

Mon 7/284:25 pmIAD - SDQ

1 stop10h 20mMultiple Airlines

Wed 8/66:41 pmSDQ - IAD

1 stop16h 48mMultiple Airlines

Deal found 7/2

$400

Sat 8/304:34 pmIAD - SDQ

1 stop10h 09mCopa Airlines

Mon 9/18:59 amSDQ - IAD

1 stop19h 21mCopa Airlines

Deal found 7/3

$439

Sun 11/212:30 pmIAD - SDQ

1 stop10h 59mDelta

Fri 11/148:05 pmSDQ - IAD

1 stop16h 45mDelta

Deal found 7/3

$465

Tue 8/55:39 pmIAD - SDQ

2 stops15h 46mAmerican Airlines

Tue 8/197:05 amSDQ - IAD

2 stops15h 51mAmerican Airlines

Deal found 7/3

$469

Best flights from Dulles Intl to Santo Domingo
Discover carefully curated flight deals from Dulles Intl to Santo Domingo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 3, 2025.

Wed 7/167:30 amIAD - SDQ

2 stops27h 15mFrontier

Thu 7/3112:04 pmSDQ - IAD

2 stops24h 38mFrontier

Deal found 7/2

$393

Mon 7/284:25 pmIAD - SDQ

1 stop10h 20mMultiple Airlines

Wed 8/66:41 pmSDQ - IAD

1 stop16h 48mMultiple Airlines

Deal found 7/2

$400

Sat 8/304:34 pmIAD - SDQ

1 stop10h 09mCopa Airlines

Sat 9/132:09 pmSDQ - IAD

1 stop14h 11mCopa Airlines

Deal found 7/3

$439

Tue 8/55:39 pmIAD - SDQ

2 stops15h 46mAmerican Airlines

Tue 8/197:05 amSDQ - IAD

2 stops15h 51mAmerican Airlines

Deal found 7/3

$469

Last-minute flights from Dulles Intl to Santo Domingo
Discover last-minute flight deals from Dulles Intl to Santo Domingo. Data last updated July 3, 2025 and is based on user searches.

Sun 7/612:31 pmIAD - SDQ

1 stop23h 46mFrontier

Tue 7/81:48 amSDQ - IAD

1 stop22h 24mFrontier

Deal found 7/3

$378

Tue 7/81:05 amIAD - SDQ

2 stops33h 45mAvianca

Mon 7/1411:45 amSDQ - IAD

2 stops13h 30mAvianca

Deal found 7/1

$679

Wed 7/96:10 amIAD - SDQ

2 stops28h 35mFrontier

Mon 7/1410:17 amSDQ - IAD

2 stops13h 55mFrontier

Deal found 7/1

$393

Thu 7/101:19 pmIAD - SDQ

2 stops19h 56mAmerican Airlines

Sat 7/127:20 pmSDQ - IAD

2 stops17h 29mAmerican Airlines

Deal found 7/3

$879

Fri 7/119:58 pmIAD - SDQ

1 stop23h 47mMultiple Airlines

Tue 7/1510:55 amSDQ - IAD

2 stops13h 17mMultiple Airlines

Deal found 7/2

$558

Sun 7/132:45 amIAD - SDQ

1 stop8h 14mCopa Airlines

Fri 7/182:07 pmSDQ - IAD

1 stop11h 13mCopa Airlines

Deal found 7/1

$585

Mon 7/284:25 pmIAD - SDQ

1 stop10h 20mMultiple Airlines

Wed 8/66:41 pmSDQ - IAD

1 stop16h 48mMultiple Airlines

Deal found 7/2

$400

Tue 8/55:39 pmIAD - SDQ

2 stops15h 46mAmerican Airlines

Tue 8/197:05 amSDQ - IAD

2 stops15h 51mAmerican Airlines

Deal found 7/3

$469

Sat 8/304:34 pmIAD - SDQ

1 stop10h 09mCopa Airlines

Mon 9/18:59 amSDQ - IAD

1 stop19h 21mCopa Airlines

Deal found 7/3

$439

One-way flights from Dulles Intl to Santo Domingo
Search for one-way flight options from Dulles Intl to Santo Domingo. Find affordable one-way fares based on user searches. Data last updated July 3, 2025.

Thu 7/1012:31 pmIAD - SDQ

1 stop23h 46mFrontier

Deal found 7/1

$138

Mon 9/156:57 pmIAD - SDQ

1 stop17h 18mMultiple Airlines

Deal found 7/2

$175

Mon 8/252:25 amIAD - SDQ

1 stop10h 44mCopa Airlines

Deal found 7/1

$211

Tue 8/267:44 amIAD - SDQ

2 stops10h 36mAmerican Airlines

Deal found 7/3

$281

Thu 7/101:05 amIAD - SDQ

2 stops33h 45mAvianca

Deal found 7/1

$293

Wed 7/1612:12 pmIAD - SDQ

1 stop12h 45mDelta

Deal found 7/2

$371

Sat 7/266:16 amIAD - SDQ

1 stop7h 54mUnited Airlines

Deal found 7/1

$436

Fri 7/119:03 amIAD - SDQ

2 stops11h 52mBritish Airways

Deal found 7/2

$457

Cheapflights Fare Finder

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

Washington, D.C.Santo Domingo

IAD - SDQ

IADSDQ

Washington, D.C. Dulles Intl

Wed 7/16

7:30 am-10:45 am

2 stops27h 15m

Santo Domingo Las Americas

Thu 7/31

12:04 pm-12:42 pm

2 stops24h 38m

$393

Washington, D.C.Santo Domingo

IAD - SDQ

IADSDQ

Washington, D.C. Dulles Intl

Mon 7/28

4:25 pm-2:45 am

1 stop10h 20m

Santo Domingo Las Americas

Wed 8/6

6:41 pm-11:29 am

1 stop16h 48m

$400

Washington, D.C.Santo Domingo

IAD - SDQ

IADSDQ

Washington, D.C. Dulles Intl

Sat 8/30

4:34 pm-2:43 am

1 stop10h 09m

Santo Domingo Las Americas

Mon 9/1

8:59 am-4:20 am

1 stop19h 21m

$439

Washington, D.C.Santo Domingo

IAD - SDQ

IADSDQ

Washington, D.C. Dulles Intl

Sun 11/2

12:30 pm-12:29 am

1 stop10h 59m

Santo Domingo Las Americas

Fri 11/14

8:05 pm-11:50 am

1 stop16h 45m

$465

Washington, D.C.Santo Domingo

IAD - SDQ

IADSDQ

Washington, D.C. Dulles Intl

Tue 8/5

5:39 pm-9:25 am

2 stops15h 46m

Santo Domingo Las Americas

Tue 8/19

7:05 am-10:56 pm

2 stops15h 51m

$469

Washington, D.C.Santo Domingo

IAD - SDQ

IADSDQ

Washington, D.C. Dulles Intl

Thu 7/10

12:31 pm-12:17 pm

1 stop23h 46m

$138

Washington, D.C.Santo Domingo

IAD - SDQ

IADSDQ

Washington, D.C. Dulles Intl

Mon 9/15

6:57 pm-12:15 pm

1 stop17h 18m

$175

Washington, D.C.Santo Domingo

IAD - SDQ

IADSDQ

Washington, D.C. Dulles Intl

Mon 8/25

2:25 am-10:58 am

1 stop8h 33m

$211

Washington, D.C.Santo Domingo

IAD - SDQ

IADSDQ

Washington, D.C. Dulles Intl

Tue 8/26

7:44 am-6:20 pm

2 stops10h 36m

$281

Washington, D.C.Santo Domingo

IAD - SDQ

IADSDQ

Washington, D.C. Dulles Intl

Thu 7/10

1:05 am-10:50 am

2 stops33h 45m

$293

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Showing 1-10 of 11 results

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 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?

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

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

7,982 reviews

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

7,982 reviews

Delta

8.0

Very good

7,982 reviews

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

1,467 reviews

Delta

8.0

Very good

7,982 reviews

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

8,861 reviews

Delta

8.0

Very good

7,982 reviews

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

7,982 reviews

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

2,363 reviews

Delta

8.0

Very good

7,982 reviews

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

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 3 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 $393. Additional round-trip tickets that might be worth considering are offered by Copa Airlines and American Airlines, with the lowest prices starting at $439 and $469, respectively. Frontier is currently priced 25% 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 ($138), 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

Juan Dolio

Browse thousands of different options on Cheapflights for your next trip

Top 3 airlines flying from Dulles Intl to Santo Domingo

Airline	Cheapest	Average	Flexibility	On-time
Copa Airlines	Cheapest$355	Average$480	FlexibilityNo cancel fee	On-time70%
Delta	Cheapest$408	Average$636	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$475	Average$681	FlexibilityNo cancel fee	On-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$138+ 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 7/10. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Dulles Intl to Santo Domingo with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Santo Domingo Las Americas are usually found in January or September, 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

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Dulles Intl to Santo Domingo

Cheapest flights from Dulles Intl to Santo DomingoExplore 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 3, 2025.

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 3, 2025.

Cheapflights Fare Finder

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

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.

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 June 27, 2025.

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

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 3, 2025.

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

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.

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?

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

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

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

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

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

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

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 Dulles Intl to Santo Domingo

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

Top 3 airlines flying from Dulles Intl to Santo Domingo

100% Free

Book with Flexibility

Travel Smart

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 3, 2025.