Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Washington, D.C. Dulles Intl Airport to Santo Domingo from $138

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 7/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Santo Domingo

Cheap round-trip flights

Frontier Logo
6:10 am - 12:28 amIAD-SDQ
18h 18m1 stop
Frontier Logo
6:41 pm - 11:31 amSDQ-IAD
16h 50m1 stop
$254Frontier
Find Deal
Tue, Jul 15 - Wed, Jul 16
Frontier Logo
12:24 pm - 12:17 pmIAD-SDQ
23h 53m1 stop
Frontier Logo
6:41 pm - 11:31 amSDQ-IAD
16h 50m1 stop
$287Frontier
Find Deal
Sun, Aug 10 - Sat, Aug 16
Frontier Logo
6:10 am - 12:28 amIAD-SDQ
18h 18m1 stop
Frontier Logo
6:41 pm - 12:51 pmSDQ-IAD
18h 10m2 stops
$297Frontier
Find Deal
Tue, Jul 15 - Wed, Jul 16
Frontier Logo
2:44 pm - 12:28 amIAD-SDQ
9h 44m1 stop
Frontier Logo
6:41 pm - 11:29 amSDQ-IAD
16h 48m1 stop
$310Frontier
Find Deal
Sun, Jul 20 - Sat, Jul 26
 Logo
9:58 pm - 9:45 pmIAD-SDQ
23h 47m1 stop
 Logo
10:19 am - 7:24 pmSDQ-IAD
9h 05m1 stop
Fri, Aug 15 - Fri, Aug 22
 Logo
6:57 pm - 12:15 pmIAD-SDQ
17h 18m1 stop
 Logo
2:12 pm - 6:12 pmSDQ-IAD
28h 00m1 stop
Sat, Sep 20 - Sat, Sep 27
Copa Airlines Logo
4:34 pm - 2:43 amIAD-SDQ
10h 09m1 stop
Copa Airlines Logo
8:59 am - 4:20 amSDQ-IAD
19h 21m1 stop
$439Copa Airlines
Find Deal
Sat, Aug 30 - Mon, Sep 1
Copa Airlines Logo
2:25 am - 1:09 pmIAD-SDQ
10h 44m1 stop
Copa Airlines Logo
5:25 am - 3:05 pmSDQ-IAD
9h 40m1 stop
$454Copa Airlines
Find Deal
Mon, Sep 22 - Thu, Sep 25
Delta Logo
12:30 pm - 12:29 amIAD-SDQ
10h 59m1 stop
Delta Logo
8:05 pm - 11:50 amSDQ-IAD
16h 45m1 stop
$465Delta
Find Deal
Sun, Nov 2 - Fri, Nov 14
American Airlines Logo
6:35 am - 8:55 pmIAD-SDQ
14h 20m2 stops
American Airlines Logo
4:25 pm - 12:48 pmSDQ-IAD
20h 23m2 stops
$469American Airlines
Find Deal
Tue, Aug 5 - Wed, Aug 13

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
Jul 15
IAD6:10 amWashington, D.C. Dulles Intl
18h 18m
1 stop
SDQ12:28 amSanto Domingo Las Americas
Jul 16
SDQ6:41 pmSanto Domingo Las Americas
16h 50m
1 stop
IAD11:31 amWashington, D.C. Dulles Intl
Frontier
Aug 10
IAD12:24 pmWashington, D.C. Dulles Intl
23h 53m
1 stop
SDQ12:17 pmSanto Domingo Las Americas
Aug 16
SDQ6:41 pmSanto Domingo Las Americas
16h 50m
1 stop
IAD11:31 amWashington, D.C. Dulles Intl
Frontier
Jul 15
IAD12:51 pmWashington, D.C. Dulles Intl
28h 34m
1 stop
SDQ5:25 pmSanto Domingo Las Americas
Jul 17
SDQ11:50 amSanto Domingo Las Americas
24h 52m
1 stop
IAD12:42 pmWashington, D.C. Dulles Intl

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
Aug 30
IAD4:34 pmWashington, D.C. Dulles Intl
10h 09m
1 stop
SDQ2:43 amSanto Domingo Las Americas
Sep 1
SDQ8:59 amSanto Domingo Las Americas
19h 21m
1 stop
IAD4:20 amWashington, D.C. Dulles Intl
Copa Airlines
Sep 22
IAD2:25 amWashington, D.C. Dulles Intl
10h 44m
1 stop
SDQ1:09 pmSanto Domingo Las Americas
Sep 25
SDQ5:25 amSanto Domingo Las Americas
9h 40m
1 stop
IAD3:05 pmWashington, D.C. Dulles Intl
Copa Airlines
Aug 28
IAD2:25 amWashington, D.C. Dulles Intl
13h 52m
1 stop
SDQ4:17 pmSanto Domingo Las Americas
Sep 1
SDQ2:09 pmSanto Domingo Las Americas
14h 11m
1 stop
IAD4:20 amWashington, D.C. Dulles Intl

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 typical price of a round-trip flight between Washington, D.C. Dulles Intl Airport and Santo Domingo?

What is the cheapest month to fly to Santo Domingo?

If you don’t want to visit Santo Domingo in January, then you should wait until September to fly from Washington, D.C. Dulles Intl Airport, when ticket prices are also cheap, with an average price of $460.

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 $530 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 $408 on momondo.

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

As of July 2025, prices for Washington, D.C. Dulles Intl Airport to Santo Domingo flights are approximately 8% cheaper 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

Best Price Found

$138

Fastest flight time

6h 47m

Direct flights

None

Airports in Santo Domingo

1 airport
The best one-way flight to Santo Domingo from Washington, D.C. Dulles Intl Airport in the past 72 hours is $138. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to Santo Domingo found on momondo in the last 72 hours is $254.
The fastest flight from Washington, D.C. Dulles Intl Airport to Santo Domingo takes 6h 47m
There are no direct flights from Washington, D.C. Dulles Intl Airport to Santo Domingo. Popular non-direct route for this connection is Washington, D.C. Dulles Intl Airport - Santo Domingo Las Americas Airport.
There is 1 airport near Santo Domingo: Santo Domingo Las Americas (SDQ)

  • 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 47m, 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
Copa AirlinesPriceFrom $355Free CancellationRating
7.5
1,467 reviews
Search Copa Airlines flights
DeltaPriceFrom $408Free CancellationRating
8.0
7,983 reviews
Search Delta flights
United AirlinesPriceFrom $475Free CancellationRating
7.4
8,861 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.


An easier way to manage your Santo Domingo trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 7/8
Tue 7/15

Find better results for your trip to the Dominican Republic