Which layover airport has the shortest travel time from Washington, D.C. to Santiago de los Caballeros?

Flights connecting via Newark (EWR) have the shortest average one-way travel time: 6h 35m.

What is the cheapest airline that flies from Washington, D.C. to Santiago de los Caballeros?

JetBlue, American Airlines, and Delta are the most popular carriers operating from Washington, D.C. to Santiago de los Caballeros

Which layover airport has the shortest connection time from Washington, D.C. to Santiago de los Caballeros?

Newark (EWR) has the shortest average layover time for this route: 1h 42m.

Which layover airport offers the lowest fares from Washington, D.C. to Santiago de los Caballeros?

Flights via Orlando (MCO) offer the lowest average round-trip price of $365.

How long does it take to fly to Santiago de los Caballeros?

On average, it takes 6h 29m to fly from Washington, D.C. to Santiago de los Caballeros if you fly out of Washington, D.C. (the most popular airport in Washington, D.C.) and into Santo Domingo (the most popular airport in Santiago de los Caballeros). If you’re flying out of Baltimore and into Santo Domingo, then the flight time is around 7h 16m.

What airlines fly to Santiago de los Caballeros?

American Airlines, JetBlue and Spirit Airlines are the top three most popular airlines that fly to Santiago de los Caballeros from Washington, D.C. according to our data. American Airlines is the first choice among our users, with 46% of people opting to fly with this airline when traveling to Santiago de los Caballeros. Keep in mind that there are 7 different airlines that fly to Santiago de los Caballeros on a routine basis, so you have a few additional options to choose from.

Which airport is the most popular layover for flights between Washington, D.C. and Santiago de los Caballeros?

Miami (MIA) was the most common stop: 74% of momondo users choosing 1-stop flights on this route connected there.

When did momondo last update prices for flights from Washington, D.C. to Santiago de los Caballeros Airport?

Prices for flights from Washington, D.C. to Santiago de los Caballeros Airport are updated daily.

How many operators does momondo search for flights from Washington, D.C. to Santiago de los Caballeros Airport?

The number of operators available for flights from Washington, D.C. to Santiago de los Caballeros Airport is 4 as of May 2026.

How old do you have to be to fly from Washington, D.C. to Santiago de los Caballeros Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. to Santiago de los Caballeros Airport.

What documentation or ID do you need to fly to Santiago de los Caballeros Airport?

The required travel and health documents for your Santiago de los Caballeros Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Santiago de los Caballeros Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$165 Cheap Flights from Washington, D.C. to Santiago de los Caballeros in 2026

Q: What is the typical price of a round-trip flight between Washington, D.C. and Santiago de los Caballeros?

Prices are currently low for flights on this route. Typical prices usually range from $720 to $554. The lowest price recently found on this route was $362.

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Find the cheapest flights from Washington, D.C. to Santiago de los Caballeros

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:10 pm - 11:51 pm

DCA

STI

7h 41m

1 stop

3:55 pm - 11:40 pm

STI

DCA

7h 45m

1 stop

$362JetBlue

Wed, Sep 16 - Tue, Sep 22

7:59 am - 2:45 pm

DCA

STI

6h 46m

1 stop

3:55 pm - 11:40 pm

STI

DCA

7h 45m

1 stop

$363JetBlue

Wed, Sep 23 - Tue, Sep 29

12:25 pm - 7:11 pm

IAD

STI

6h 46m

1 stop

8:40 pm - 11:45 am

STI

IAD

15h 05m

1 stop

$540Delta

Wed, Sep 16 - Tue, Sep 22

6:14 am - 2:13 pm

IAD

STI

7h 59m

2 stops

3:13 pm - 9:55 am

STI

IAD

18h 42m

2 stops

$545American Airlines

Wed, Sep 16 - Tue, Sep 22

12:25 pm - 7:11 pm

IAD

STI

6h 46m

1 stop

8:40 pm - 11:45 am

STI

IAD

15h 05m

1 stop

$560Delta

Wed, Sep 23 - Mon, Sep 28

2:25 am - 2:58 pm

IAD

STI

12h 33m

1 stop

4:10 pm - 12:32 am

STI

IAD

8h 22m

1 stop

$562Copa Airlines

Wed, Oct 14 - Thu, Oct 22

8:25 pm - 12:22 pm

IAD

STI

15h 57m

2 stops

1:40 pm - 8:39 am

STI

IAD

18h 59m

2 stops

$565American Airlines

Fri, Oct 16 - Fri, Oct 23

2:21 am - 2:59 pm

IAD

STI

12h 38m

1 stop

4:01 pm - 4:21 am

STI

IAD

12h 20m

1 stop

$577Copa Airlines

Sun, Jun 14 - Mon, Jun 22

6:00 am - 2:53 pm

IAD

STI

7h 53m

1 stop

4:00 pm - 11:00 pm

STI

IAD

8h 00m

1 stop

$589United Airlines

Tue, Nov 24 - Wed, Dec 2

6:15 am - 3:12 pm

IAD

STI

8h 57m

1 stop

2:07 pm - 10:59 pm

STI

IAD

8h 52m

1 stop

$600United Airlines

Fri, Sep 11 - Wed, Sep 16

JetBlue flights from Washington, D.C. to Santiago de los Caballeros

Our best JetBlue deals on Washington, D.C. to Santiago de los Caballeros flight tickets

JetBlue

Sep 16

DCA4:10 pmWashington, D.C. Reagan-National

7h 41m

1 stop

STI11:51 pmSantiago de los Caballeros

Sep 22

STI3:55 pmSantiago de los Caballeros

7h 45m

1 stop

DCA11:40 pmWashington, D.C. Reagan-National

$362

JetBlue

Sep 23

DCA7:59 amWashington, D.C. Reagan-National

6h 46m

1 stop

STI2:45 pmSantiago de los Caballeros

Sep 29

STI3:55 pmSantiago de los Caballeros

7h 45m

1 stop

DCA11:40 pmWashington, D.C. Reagan-National

$363

JetBlue

Sep 13

DCA6:00 amWashington, D.C. Reagan-National

8h 45m

1 stop

STI2:45 pmSantiago de los Caballeros

Sep 18

STI3:55 pmSantiago de los Caballeros

7h 45m

1 stop

DCA11:40 pmWashington, D.C. Reagan-National

$364

American Airlines flights from Washington, D.C. to Santiago de los Caballeros

Our best American Airlines deals on Washington, D.C. to Santiago de los Caballeros flight tickets

American Airlines

Nov 24

BWI6:00 amBaltimore/Washington

13h 49m

1 stop

STI8:49 pmSantiago de los Caballeros

Dec 2

STI7:00 amSantiago de los Caballeros

10h 34m

1 stop

BWI4:34 pmBaltimore/Washington

$540

American Airlines

Jul 16

BWI6:39 pmBaltimore/Washington

20h 05m

1 stop

STI2:44 pmSantiago de los Caballeros

Jul 21

STI9:00 amSantiago de los Caballeros

24h 26m

2 stops

BWI9:26 amBaltimore/Washington

$542

American Airlines

Sep 16

DCA6:09 amWashington, D.C. Reagan-National

8h 04m

2 stops

STI2:13 pmSantiago de los Caballeros

Sep 22

STI3:13 pmSantiago de los Caballeros

16h 47m

2 stops

DCA8:00 amWashington, D.C. Reagan-National

$545

momondo Fare Finder

Use the filters below to find and compare flights from Washington, D.C. to Santiago de los Caballeros that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Santiago de los Caballeros

DCA - STI

DCASTI

Washington, D.C. Reagan-National

Wed 9/16

4:10 pm-11:51 pm

1 stop7h 41m

Santiago de los Caballeros

Tue 9/22

3:55 pm-11:40 pm

1 stop7h 45m

$362

Quickest round-trip

Washington, D.C.Santiago de los Caballeros

DCA - STI

DCASTI

Washington, D.C. Reagan-National

Wed 9/23

7:59 am-2:45 pm

1 stop6h 46m

Santiago de los Caballeros

Tue 9/29

3:55 pm-11:40 pm

1 stop7h 45m

$363

Washington, D.C.Santiago de los Caballeros

IAD - STI

IADSTI

Washington, D.C. Dulles Intl

Wed 9/16

12:25 pm-7:11 pm

1 stop6h 46m

Santiago de los Caballeros

Tue 9/22

8:40 pm-11:45 am

1 stop15h 05m

$540

Washington, D.C.Santiago de los Caballeros

IAD - STI

IADSTI

Washington, D.C. Dulles Intl

Wed 9/16

6:14 am-2:13 pm

2 stops7h 59m

Santiago de los Caballeros

Tue 9/22

3:13 pm-9:55 am

2 stops18h 42m

$545

Washington, D.C.Santiago de los Caballeros

IAD - STI

IADSTI

Washington, D.C. Dulles Intl

Wed 9/23

12:25 pm-7:11 pm

1 stop6h 46m

Santiago de los Caballeros

Mon 9/28

8:40 pm-11:45 am

1 stop15h 05m

$560

Washington, D.C.Santiago de los Caballeros

IAD - STI

IADSTI

Washington, D.C. Dulles Intl

Wed 10/14

2:25 am-2:58 pm

1 stop12h 33m

Santiago de los Caballeros

Thu 10/22

4:10 pm-12:32 am

1 stop8h 22m

$562

Washington, D.C.Santiago de los Caballeros

IAD - STI

IADSTI

Washington, D.C. Dulles Intl

Fri 10/16

8:25 pm-12:22 pm

2 stops15h 57m

Santiago de los Caballeros

Fri 10/23

1:40 pm-8:39 am

2 stops18h 59m

$565

Washington, D.C.Santiago de los Caballeros

IAD - STI

IADSTI

Washington, D.C. Dulles Intl

Sun 6/14

2:21 am-2:59 pm

1 stop12h 38m

Santiago de los Caballeros

Mon 6/22

4:01 pm-4:21 am

1 stop12h 20m

$577

Washington, D.C.Santiago de los Caballeros

IAD - STI

IADSTI

Washington, D.C. Dulles Intl

Tue 11/24

6:00 am-2:53 pm

1 stop7h 53m

Santiago de los Caballeros

Wed 12/2

4:00 pm-11:00 pm

1 stop8h 00m

$589

Washington, D.C.Santiago de los Caballeros

IAD - STI

IADSTI

Washington, D.C. Dulles Intl

Fri 9/11

6:15 am-3:12 pm

1 stop8h 57m

Santiago de los Caballeros

Wed 9/16

2:07 pm-10:59 pm

1 stop8h 52m

$600

Flights are sorted by cheapest round-trip flights first.

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How to get the cheapest flight ticket from Washington, D.C. to Santiago de los Caballeros

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

Prices

Airlines

Layovers

Other information

What is the typical price of a round-trip flight between Washington, D.C. and Santiago de los Caballeros?

What is the cheapest month to fly to Santiago de los Caballeros?

The cheapest month to fly to Santiago de los Caballeros from Washington, D.C. is in September. Flight prices, which tend to average around $153, are often lower during this time because this is during the off-season. If you aren’t able to travel to Santiago de los Caballeros during the month of September, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $236.

Can stopping save me money on Washington, D.C. to Santiago de los Caballeros flights?

You could potentially save up to 38% on your flight if you consider stops on a Washington, D.C. to Santiago de los Caballeros flight.

How have Washington, D.C. to Santiago de los Caballeros flight prices changed over time?

When to book flights from Washington, D.C. to Santiago de los Caballeros

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. to Santiago de los Caballeros according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Washington, D.C. to Santiago de los Caballeros (WAS to STI) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Santiago de los Caballeros

Fastest flight time	6h 11m
Direct flights	None

The fastest flight from Washington, D.C. to Santiago de los Caballeros takes 6h 11m

There are no direct flights from Washington, D.C. to Santiago de los Caballeros. There are no popular flight routes from Washington, D.C. to Santiago de los Caballeros.

Search flight deals

Frequently asked questions about flying from Washington, D.C. to Santiago de los Caballeros

How far is Washington, D.C. to Santiago de los Caballeros by plane?
A flight from Washington, D.C. to Santiago de los Caballeros will travel around 1395.5 mi. Flights usually cover this in 6h 11m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Washington, D.C. to Santiago de los Caballeros Airport?
Prices for flights from Washington, D.C. to Santiago de los Caballeros Airport are updated daily.
How many operators does momondo search for flights from Washington, D.C. to Santiago de los Caballeros Airport?
The number of operators available for flights from Washington, D.C. to Santiago de los Caballeros Airport is 4 as of May 2026.
How old do you have to be to fly from Washington, D.C. to Santiago de los Caballeros Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. to Santiago de los Caballeros Airport.
What documentation or ID do you need to fly to Santiago de los Caballeros Airport?
The required travel and health documents for your Santiago de los Caballeros Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Santiago de los Caballeros Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Washington, D.C. to Santiago de los Caballeros?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Washington, D.C. to Santiago de los Caballeros is JetBlue (35% of total bookings). The next most popular airlines are American Airlines (32%), Spirit Airlines (12%), and United Airlines (10%).

Best airlines flying from Washington, D.C. to Santiago de los Caballeros

Compare and see reviews for airlines that fly from Washington, D.C. to Santiago de los Caballeros with momondo

Airline	Rating	Free Cancellation	Price
Spirit Airlines	PriceFrom $311	Free Cancellation	Rating 6.2	Search Spirit Airlines flights
JetBlue	PriceFrom $362	Free Cancellation	Rating 7.1 2,984 reviews	Search JetBlue flights
United Airlines	PriceFrom $467	Free Cancellation	Rating 7.4 9,770 reviews	Search United Airlines flights
American Airlines	PriceFrom $484	Free Cancellation	Rating 7.1 11,646 reviews	Search American Airlines flights

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Why should I use momondo to find a flight deal from Washington, D.C. to Santiago de los Caballeros?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Washington, D.C. to Santiago de los Caballeros. momondo saves you time and could save you money on your trip.

Can I find flights from Washington, D.C. to Santiago de los Caballeros with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Santiago de los Caballeros from Washington, D.C. with this policy.

How can momondo help me find flights from Washington, D.C. to Santiago de los Caballeros?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Washington, D.C. to Santiago de los Caballeros.

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

Yes. momondo can track prices for Washington, D.C. to Santiago de los Caballeros flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Cheap flights from Washington, D.C. to Santiago de los Caballeros from $165

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How to get the cheapest flight ticket from Washington, D.C. to Santiago de los Caballeros

What is the typical price of a round-trip flight between Washington, D.C. and Santiago de los Caballeros?

What is the cheapest month to fly to Santiago de los Caballeros?

Can stopping save me money on Washington, D.C. to Santiago de los Caballeros flights?

How have Washington, D.C. to Santiago de los Caballeros flight prices changed over time?

What is the cheapest airline that flies from Washington, D.C. to Santiago de los Caballeros?

What airlines fly to Santiago de los Caballeros?

Which airport is the most popular layover for flights between Washington, D.C. and Santiago de los Caballeros?

Which layover airport offers the lowest fares from Washington, D.C. to Santiago de los Caballeros?

Which layover airport has the shortest travel time from Washington, D.C. to Santiago de los Caballeros?

Which layover airport has the shortest connection time from Washington, D.C. to Santiago de los Caballeros?

How long does it take to fly to Santiago de los Caballeros?

When to book flights from Washington, D.C. to Santiago de los Caballeros

Cheap Washington, D.C. to Santiago de los Caballeros (WAS to STI) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Santiago de los Caballeros

Fastest flight time

Direct flights

Frequently asked questions about flying from Washington, D.C. to Santiago de los Caballeros

Best airlines flying from Washington, D.C. to Santiago de los Caballeros

Compare and see reviews for airlines that fly from Washington, D.C. to Santiago de los Caballeros with momondo

Why use momondo?

An easier way to manage your Santiago de los Caballeros trip

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List of cabin classes available on flights landing in Santiago de los Caballeros. Availability may vary depending on flight origin and airline.

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