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Cheap flights from Washington, D.C. Dulles Intl Airport to Santo Domingo from $154

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Dulles Intl Airport to Santo Domingo departing on 10/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Santo Domingo

Cheap round-trip flights

Enter your travel dates to find the best prices.
Copa Airlines Logo
2:12 am - 4:12 pmIAD-SDQ
14h 00m1 stop
Copa Airlines Logo
12:40 pm - 4:13 amSDQ-IAD
15h 33m1 stop
$374Copa Airlines
Find Deal
Mon, Apr 13 - Sun, Apr 19
Copa Airlines Logo
1:13 am - 1:12 pmIAD-SDQ
10h 59m1 stop
Copa Airlines Logo
6:39 pm - 3:22 amSDQ-IAD
9h 43m1 stop
$376Copa Airlines
Find Deal
Mon, Nov 17 - Tue, Nov 18
Multiple Airlines Logo
8:22 am - 2:26 amIAD-SDQ
17h 04m1 stop
Multiple Airlines Logo
4:25 pm - 4:34 pmSDQ-IAD
25h 09m2 stops
$377Multiple Airlines
Find Deal
Wed, Nov 5 - Wed, Nov 12
Multiple Airlines Logo
8:40 am - 3:30 pmIAD-SDQ
29h 50m2 stops
Multiple Airlines Logo
3:30 pm - 9:43 amSDQ-IAD
19h 13m1 stop
$379Multiple Airlines
Find Deal
Mon, Dec 1 - Sat, Dec 6
Multiple Airlines Logo
3:24 pm - 2:26 amIAD-SDQ
10h 02m1 stop
Multiple Airlines Logo
4:35 pm - 11:59 pmSDQ-IAD
32h 24m2 stops
$381Multiple Airlines
Find Deal
Sat, Nov 15 - Sat, Nov 22
Frontier Logo
8:06 pm - 9:11 amIAD-SDQ
12h 05m1 stop
Frontier Logo
10:41 am - 7:31 pmSDQ-IAD
9h 50m1 stop
$392Frontier
Find Deal
Mon, Dec 1 - Fri, Dec 19
Frontier Logo
9:58 pm - 1:38 pmIAD-SDQ
14h 40m1 stop
Frontier Logo
6:04 pm - 11:38 amSDQ-IAD
18h 34m2 stops
$403Frontier
Find Deal
Sun, Dec 28 - Wed, Dec 31
Avianca Logo
5:45 am - 4:50 pmIAD-SDQ
10h 05m1 stop
Avianca Logo
5:45 pm - 4:25 amSDQ-IAD
11h 40m1 stop
$453Avianca
Find Deal
Mon, Nov 3 - Sun, Nov 16
Delta Logo
6:00 am - 2:15 pmIAD-SDQ
7h 15m1 stop
Delta Logo
7:05 am - 7:12 pmSDQ-IAD
13h 07m1 stop
$468Delta
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Wed, Feb 18 - Wed, Feb 25
Avianca Logo
4:15 pm - 11:25 amIAD-SDQ
18h 10m2 stops
Avianca Logo
5:45 pm - 4:25 amSDQ-IAD
11h 40m1 stop
$470Avianca
Find Deal
Mon, Nov 3 - Sun, Nov 16

Copa Airlines flights from Washington, D.C. Dulles Intl Airport to Santo Domingo

Our best Copa Airlines deals on Washington, D.C. Dulles Intl Airport to Santo Domingo flight tickets
Copa Airlines
Apr 13
IAD2:12 amWashington, D.C. Dulles Intl
14h 00m
1 stop
SDQ4:12 pmSanto Domingo Las Americas
Apr 19
SDQ12:40 pmSanto Domingo Las Americas
15h 33m
1 stop
IAD4:13 amWashington, D.C. Dulles Intl
$374
Find similar
Copa Airlines
Nov 17
IAD1:13 amWashington, D.C. Dulles Intl
10h 59m
1 stop
SDQ1:12 pmSanto Domingo Las Americas
Nov 18
SDQ6:39 pmSanto Domingo Las Americas
9h 43m
1 stop
IAD3:22 amWashington, D.C. Dulles Intl
$376
Find similar
Copa Airlines
Oct 25
IAD4:41 pmWashington, D.C. Dulles Intl
10h 02m
1 stop
SDQ2:43 amSanto Domingo Las Americas
Oct 27
SDQ12:00 pmSanto Domingo Las Americas
16h 20m
1 stop
IAD4:20 amWashington, D.C. Dulles Intl
$383
Find similar

Frontier flights from Washington, D.C. Dulles Intl Airport to Santo Domingo

Our best Frontier deals on Washington, D.C. Dulles Intl Airport to Santo Domingo flight tickets
Frontier
Dec 1
IAD8:06 pmWashington, D.C. Dulles Intl
12h 05m
1 stop
SDQ9:11 amSanto Domingo Las Americas
Dec 19
SDQ10:41 amSanto Domingo Las Americas
9h 50m
1 stop
IAD7:31 pmWashington, D.C. Dulles Intl
$392
Find similar
Frontier
Dec 28
IAD9:58 pmWashington, D.C. Dulles Intl
14h 40m
1 stop
SDQ1:38 pmSanto Domingo Las Americas
Dec 31
SDQ6:04 pmSanto Domingo Las Americas
18h 34m
2 stops
IAD11:38 amWashington, D.C. Dulles Intl
$403
Find similar
Frontier
Dec 4
IAD6:00 amWashington, D.C. Dulles Intl
7h 48m
1 stop
SDQ2:48 pmSanto Domingo Las Americas
Dec 11
SDQ4:08 pmSanto Domingo Las Americas
9h 11m
1 stop
IAD12:19 amWashington, D.C. Dulles Intl
$406
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Dulles Intl Airport 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, momondo users made 832,500 searches. Data last updated October 16, 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

Fly to

Route

Depart

Return

Price

Washington, D.C.Santo Domingo

IAD - SDQ

IADSDQ

Washington, D.C. Dulles Intl

Mon 4/13

2:12 am-4:12 pm

1 stop14h 00m

Santo Domingo Las Americas

Sun 4/19

12:40 pm-4:13 am

1 stop15h 33m

$374

Washington, D.C.Santo Domingo

IAD - SDQ

IADSDQ

Washington, D.C. Dulles Intl

Mon 11/17

1:13 am-1:12 pm

1 stop10h 59m

Santo Domingo Las Americas

Tue 11/18

6:39 pm-3:22 am

1 stop9h 43m

$376

Washington, D.C.Santo Domingo

IAD - SDQ

IADSDQ

Washington, D.C. Dulles Intl

Wed 11/5

8:22 am-2:26 am

1 stop17h 04m

Santo Domingo Las Americas

Wed 11/12

4:25 pm-4:34 pm

2 stops25h 09m

$377

Washington, D.C.Santo Domingo

IAD - SDQ

IADSDQ

Washington, D.C. Dulles Intl

Mon 12/1

8:40 am-3:30 pm

2 stops29h 50m

Santo Domingo Las Americas

Sat 12/6

3:30 pm-9:43 am

1 stop19h 13m

$379

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

4:35 pm-11:59 pm

2 stops32h 24m

$381

Washington, D.C.Santo Domingo

IAD - SDQ

IADSDQ

Washington, D.C. Dulles Intl

Mon 12/1

8:06 pm-9:11 am

1 stop12h 05m

Santo Domingo Las Americas

Fri 12/19

10:41 am-7:31 pm

1 stop9h 50m

$392

Washington, D.C.Santo Domingo

IAD - SDQ

IADSDQ

Washington, D.C. Dulles Intl

Sun 12/28

9:58 pm-1:38 pm

1 stop14h 40m

Santo Domingo Las Americas

Wed 12/31

6:04 pm-11:38 am

2 stops18h 34m

$403

Washington, D.C.Santo Domingo

IAD - SDQ

IADSDQ

Washington, D.C. Dulles Intl

Mon 11/3

5:45 am-4:50 pm

1 stop10h 05m

Santo Domingo Las Americas

Sun 11/16

5:45 pm-4:25 am

1 stop11h 40m

$453

Washington, D.C.Santo Domingo

IAD - SDQ

IADSDQ

Washington, D.C. Dulles Intl

Wed 2/18

6:00 am-2:15 pm

1 stop7h 15m

Santo Domingo Las Americas

Wed 2/25

7:05 am-7:12 pm

1 stop13h 07m

$468

Washington, D.C.Santo Domingo

IAD - SDQ

IADSDQ

Washington, D.C. Dulles Intl

Mon 11/3

4:15 pm-11:25 am

2 stops18h 10m

Santo Domingo Las Americas

Sun 11/16

5:45 pm-4:25 am

1 stop11h 40m

$470

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Santo Domingo from

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to Santo Domingo

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Santo Domingo?

If you don’t want to visit Santo Domingo in August, then you should wait until March to fly from Washington, D.C. Dulles Intl Airport, when ticket prices are also cheap, with an average price of $464.

What is the cheapest day to depart on your flight to Santo Domingo?

Our data shows that Tuesday is the least expensive day to fly to Santo Domingo. Tickets to fly out on this day can be as low as $530. The most expensive day to fly to Santo Domingo is Sunday, with ticket prices averaging around $594.

What is the cheapest time of day to depart on your flight to Santo Domingo?

The cheapest time of day to fly to Santo Domingo is in the afternoon when flights can be purchased for as low as $493. Try not to purchase tickets at noon because they tend to be around $641. Of course, these prices can vary depending on the time of year and what airport you fly to.

How far in advance should I book a flight to Santo Domingo?

You are more likely to see cheaper flights to Santo Domingo from Washington, D.C. Dulles Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Santo Domingo for around $559 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Santo Domingo from Washington, D.C. Dulles Intl Airport for as low as $494 on momondo.

How have Washington, D.C. Dulles Intl Airport to Santo Domingo flight prices changed over time?

As of October 2025, prices for Washington, D.C. Dulles Intl Airport to Santo Domingo flights are approximately 27% more expensive when compared to flights at the same time last year.

When to book flights from Washington, D.C. Dulles Intl Airport to Santo Domingo

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Dulles Intl Airport to Santo Domingo according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. Dulles Intl Airport to Santo Domingo (IAD to SDQ) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Santo Domingo

Direct flights

None
There are no direct flights from Washington, D.C. Dulles Intl Airport to Santo Domingo. There are no popular flight routes from Washington, D.C. Dulles Intl Airport to Santo Domingo.
Search flight deals

  • How far is Washington, D.C. Dulles Intl to Santo Domingo Las Americas by plane?

    The distance between Washington, D.C. Dulles Intl and Santo Domingo Las Americas is about 1483.1 mi. Flights usually cover this in 6h 20m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Santo Domingo Las Americas Airport?

    Prices for flights from Washington, D.C. Dulles Intl Airport to Santo Domingo Las Americas Airport are updated daily.

  • How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Santo Domingo Las Americas Airport?

  • How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Santo Domingo Las Americas Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport to Santo Domingo Las Americas Airport.

  • What documentation or ID do you need to fly to Santo Domingo Las Americas Airport?

    The travel and health documents required for your trip to Santo Domingo Las Americas Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Santo Domingo Las Americas Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Washington, D.C. Dulles Intl Airport to Santo Domingo?

Best airlines flying from Washington, D.C. Dulles Intl Airport to Santo Domingo

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Santo Domingo with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $310Free CancellationRating
5.8
3,137 reviews
Search Frontier flights
Copa AirlinesPriceFrom $365Free CancellationRating
7.6
1,551 reviews
Search Copa Airlines flights
DeltaPriceFrom $464Free CancellationRating
7.9
7,982 reviews
Search Delta flights
United AirlinesPriceFrom $487Free CancellationRating
7.4
8,982 reviews
Search United Airlines flights

Traveling to a place near Santo Domingo?

Book flights to Santo Domingo if you plan to visit one of these locations
Juan Dolio

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Santo Domingo?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Santo Domingo from Washington, D.C..

Can I find flights from Washington, D.C. to Santo Domingo with flexible booking policies on momondo?

Flights from Washington, D.C. to Santo Domingo with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Washington, D.C. to Santo Domingo?

momondo helps you find the best flight between Washington, D.C. and Santo Domingo by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Washington, D.C. to Santo Domingo right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Washington, D.C. to Santo Domingo flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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