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 53m.

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.

What airlines fly to Santiago de los Caballeros?

American Airlines, JetBlue and Delta 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.

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

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

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: 76% of momondo users choosing 1-stop flights on this route connected there.

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

On average, it takes 6h 15m to fly from Washington, D.C. to Santiago de los Caballeros if you fly out of Baltimore (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 Washington, D.C. and into Santo Domingo, then the flight time is around 6h 46m.

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 3 as of July 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.

$188 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 $584 to $795. The lowest price recently found on this route was $375.

Discover deals from 900+ travel sites with momondo.

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.

8:00 am - 3:01 pm

BWI

STI

7h 01m

1 stop

8:13 am - 2:53 pm

STI

BWI

6h 40m

1 stop

$375JetBlue

Wed, Aug 19 - Wed, Aug 26

6:09 am - 3:01 pm

BWI

STI

8h 52m

1 stop

4:54 pm - 11:27 pm

STI

BWI

6h 33m

1 stop

$409JetBlue

Tue, Aug 18 - Sat, Sep 5

7:19 am - 1:27 pm

BWI

STI

6h 08m

1 stop

3:49 pm - 10:33 pm

STI

BWI

6h 44m

1 stop

$412JetBlue

Mon, Sep 21 - Wed, Sep 23

12:35 pm - 10:52 pm

IAD

STI

10h 17m

1 stop

2:07 pm - 9:27 pm

STI

IAD

7h 20m

1 stop

$550United Airlines

Wed, Sep 23 - Tue, Sep 29

6:14 am - 2:15 pm

IAD

STI

8h 01m

2 stops

3:15 pm - 9:55 am

STI

IAD

18h 40m

2 stops

$555American Airlines

Thu, Sep 17 - Wed, Sep 23

7:00 am - 6:46 pm

IAD

STI

10h 46m

1 stop

6:40 am - 4:17 pm

STI

IAD

10h 37m

1 stop

$570Delta

Sat, Nov 7 - Wed, Nov 11

6:15 am - 2:12 pm

IAD

STI

7h 57m

2 stops

2:18 pm - 11:58 pm

STI

IAD

9h 40m

2 stops

$575American Airlines

Mon, Oct 12 - Fri, Oct 23

2:25 am - 2:58 pm

IAD

STI

12h 33m

1 stop

4:10 pm - 12:32 am

STI

IAD

8h 22m

1 stop

$582Copa Airlines

Fri, Oct 9 - Mon, Oct 19

4:34 pm - 2:58 pm

IAD

STI

22h 24m

1 stop

4:10 pm - 4:20 am

STI

IAD

12h 10m

1 stop

$597Copa Airlines

Wed, Oct 14 - Thu, Oct 29

6:45 am - 3:12 pm

IAD

STI

8h 27m

1 stop

2:07 pm - 10:59 pm

STI

IAD

8h 52m

1 stop

$600United Airlines

Fri, Oct 16 - Tue, Oct 20

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

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

United Airlines

Sep 23

IAD12:35 pmWashington, D.C. Dulles Intl

10h 17m

1 stop

STI10:52 pmSantiago de los Caballeros

Sep 29

STI2:07 pmSantiago de los Caballeros

7h 20m

1 stop

IAD9:27 pmWashington, D.C. Dulles Intl

$550

United Airlines

Oct 16

IAD6:45 amWashington, D.C. Dulles Intl

8h 27m

1 stop

STI3:12 pmSantiago de los Caballeros

Oct 20

STI2:07 pmSantiago de los Caballeros

8h 52m

1 stop

IAD10:59 pmWashington, D.C. Dulles Intl

$600

United Airlines

Sep 24

IAD8:33 amWashington, D.C. Dulles Intl

6h 39m

1 stop

STI3:12 pmSantiago de los Caballeros

Sep 27

STI2:07 pmSantiago de los Caballeros

8h 52m

1 stop

IAD10:59 pmWashington, D.C. Dulles Intl

$641

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

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

Delta

Sep 16

BWI6:10 amBaltimore/Washington

11h 49m

2 stops

STI5:59 pmSantiago de los Caballeros

Sep 22

STI7:30 pmSantiago de los Caballeros

16h 15m

2 stops

BWI11:45 amBaltimore/Washington

$555

Delta

Nov 7

IAD7:00 amWashington, D.C. Dulles Intl

10h 46m

1 stop

STI6:46 pmSantiago de los Caballeros

Nov 11

STI6:40 amSantiago de los Caballeros

10h 37m

1 stop

IAD4:17 pmWashington, D.C. Dulles Intl

$570

Delta

Sep 19

BWI6:00 amBaltimore/Washington

11h 59m

2 stops

STI5:59 pmSantiago de los Caballeros

Sep 21

STI7:30 pmSantiago de los Caballeros

16h 15m

2 stops

BWI11:45 amBaltimore/Washington

$595

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

BaltimoreSantiago de los Caballeros

BWI - STI

BWISTI

Baltimore/Washington

Wed 8/19

8:00 am-3:01 pm

1 stop7h 01m

Santiago de los Caballeros

Wed 8/26

8:13 am-2:53 pm

1 stop6h 40m

$375

BaltimoreSantiago de los Caballeros

BWI - STI

BWISTI

Baltimore/Washington

Tue 8/18

6:09 am-3:01 pm

1 stop8h 52m

Santiago de los Caballeros

Sat 9/5

4:54 pm-11:27 pm

1 stop6h 33m

$409

Quickest round-trip

BaltimoreSantiago de los Caballeros

BWI - STI

BWISTI

Baltimore/Washington

Mon 9/21

7:19 am-1:27 pm

1 stop6h 08m

Santiago de los Caballeros

Wed 9/23

3:49 pm-10:33 pm

1 stop6h 44m

$412

Washington, D.C.Santiago de los Caballeros

IAD - STI

IADSTI

Washington, D.C. Dulles Intl

Wed 9/23

12:35 pm-10:52 pm

1 stop10h 17m

Santiago de los Caballeros

Tue 9/29

2:07 pm-9:27 pm

1 stop7h 20m

$550

Washington, D.C.Santiago de los Caballeros

IAD - STI

IADSTI

Washington, D.C. Dulles Intl

Thu 9/17

6:14 am-2:15 pm

2 stops8h 01m

Santiago de los Caballeros

Wed 9/23

3:15 pm-9:55 am

2 stops18h 40m

$555

Washington, D.C.Santiago de los Caballeros

IAD - STI

IADSTI

Washington, D.C. Dulles Intl

Sat 11/7

7:00 am-6:46 pm

1 stop10h 46m

Santiago de los Caballeros

Wed 11/11

6:40 am-4:17 pm

1 stop10h 37m

$570

Washington, D.C.Santiago de los Caballeros

IAD - STI

IADSTI

Washington, D.C. Dulles Intl

Mon 10/12

6:15 am-2:12 pm

2 stops7h 57m

Santiago de los Caballeros

Fri 10/23

2:18 pm-11:58 pm

2 stops9h 40m

$575

Washington, D.C.Santiago de los Caballeros

IAD - STI

IADSTI

Washington, D.C. Dulles Intl

Fri 10/9

2:25 am-2:58 pm

1 stop12h 33m

Santiago de los Caballeros

Mon 10/19

4:10 pm-12:32 am

1 stop8h 22m

$582

Washington, D.C.Santiago de los Caballeros

IAD - STI

IADSTI

Washington, D.C. Dulles Intl

Wed 10/14

4:34 pm-2:58 pm

1 stop22h 24m

Santiago de los Caballeros

Thu 10/29

4:10 pm-4:20 am

1 stop12h 10m

$597

Washington, D.C.Santiago de los Caballeros

IAD - STI

IADSTI

Washington, D.C. Dulles Intl

Fri 10/16

6:45 am-3:12 pm

1 stop8h 27m

Santiago de los Caballeros

Tue 10/20

2:07 pm-10:59 pm

1 stop8h 52m

$600

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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 16% 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?

As of July 2026, prices for Washington, D.C. to Santiago de los Caballeros flights are approximately 34% cheaper when compared to flights at the same time last year.

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	5h 52m
Direct flights	None

The fastest flight from Washington, D.C. to Santiago de los Caballeros takes 5h 52m

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 5h 52m, 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 3 as of July 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 (47% of total bookings). The next most popular airlines are American Airlines (34%), United Airlines (10%), and Delta (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
JetBlue	PriceFrom $362	Free Cancellation	Rating 7.1 3,009 reviews	Search JetBlue flights
United Airlines	PriceFrom $467	Free Cancellation	Rating 7.4 9,986 reviews	Search United Airlines flights
American Airlines	PriceFrom $484	Free Cancellation	Rating 7.1 11,811 reviews	Search American Airlines flights

Why use momondo?

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 $194

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

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

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

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

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See travel insights to Santiago de los Caballeros from

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

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

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Cabin classes currently available on flights to Santiago de los Caballeros

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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