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 43% 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 layover airport has the shortest travel time from Washington, D.C. to Santiago de los Caballeros?

Flights connecting via Fort Lauderdale (FLL) have the shortest average one-way travel time: 5h 52m.

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

On average, it takes 5h 59m 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 6h 15m.

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

Delta, American Airlines, and United Airlines 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.

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: 70% 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 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.

$182 Cheap Flights from Washington, D.C. to Santiago de los Caballeros in 2026

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.

6:00 am - 2:12 pmBWI Baltimore/Washington-STI Santiago de los Caballeros

8h 12m1 stop Miami

2:16 pm - 10:58 pmSTI Santiago de los Caballeros-BWI Baltimore/Washington

9h 42m1 stop Miami

$398American Airlines

Tue, Oct 20 - Fri, Nov 6

6:00 am - 2:12 pmBWI Baltimore/Washington-STI Santiago de los Caballeros

8h 12m1 stop Miami

5:08 pm - 10:58 pmSTI Santiago de los Caballeros-BWI Baltimore/Washington

6h 50m1 stop Miami

$398American Airlines

Tue, Oct 20 - Wed, Nov 4

6:00 am - 2:15 pmBWI Baltimore/Washington-STI Santiago de los Caballeros

8h 15m1 stop Miami

3:12 pm - 10:56 pmSTI Santiago de los Caballeros-BWI Baltimore/Washington

7h 44m1 stop Miami

$398American Airlines

Tue, Sep 29 - Tue, Oct 6

9:09 am - 10:52 pmBWI Baltimore/Washington-STI Santiago de los Caballeros

13h 43m2 stops Chicago O'Hare Intl Newark

6:00 am - 9:42 pmSTI Santiago de los Caballeros-BWI Baltimore/Washington

16h 42m2 stops Newark Chicago O'Hare Intl

$403United Airlines

Tue, Oct 20 - Sat, Nov 7

9:09 am - 10:52 pmBWI Baltimore/Washington-STI Santiago de los Caballeros

13h 43m2 stops Chicago O'Hare Intl Newark

6:00 am - 7:09 pmSTI Santiago de los Caballeros-BWI Baltimore/Washington

14h 09m2 stops Newark Chicago O'Hare Intl

$403United Airlines

Tue, Oct 20 - Wed, Nov 4

6:10 am - 5:59 pmBWI Baltimore/Washington-STI Santiago de los Caballeros

11h 49m2 stops Detroit Metropolitan Wayne County New York John F Kennedy Intl

8:10 pm - 4:51 pmSTI Santiago de los Caballeros-BWI Baltimore/Washington

21h 41m2 stops New York John F Kennedy Intl Detroit Metropolitan Wayne County

$403Delta

Tue, Sep 29 - Tue, Nov 3

6:00 am - 3:02 pmDCA Washington, D.C. Reagan-National-STI Santiago de los Caballeros

8h 02m1 stop Fort Lauderdale

5:00 pm - 11:24 pmSTI Santiago de los Caballeros-DCA Washington, D.C. Reagan-National

7h 24m1 stop Fort Lauderdale

$435JetBlue

Mon, Nov 23 - Tue, Dec 8

6:59 pm - 8:23 amDCA Washington, D.C. Reagan-National-STI Santiago de los Caballeros

12h 24m1 stop Orlando

5:00 pm - 11:24 pmSTI Santiago de los Caballeros-DCA Washington, D.C. Reagan-National

7h 24m1 stop Fort Lauderdale

$435JetBlue

Sat, Dec 5 - Sat, Dec 12

6:10 am - 5:59 pmDCA Washington, D.C. Reagan-National-STI Santiago de los Caballeros

11h 49m1 stop New York John F Kennedy Intl

7:05 pm - 10:09 amSTI Santiago de los Caballeros-DCA Washington, D.C. Reagan-National

15h 04m1 stop New York John F Kennedy Intl

$439Delta

Tue, Sep 15 - Tue, Oct 6

3:13 pm - 11:51 pmDCA Washington, D.C. Reagan-National-STI Santiago de los Caballeros

7h 38m1 stop Newark

6:00 am - 2:27 pmSTI Santiago de los Caballeros-DCA Washington, D.C. Reagan-National

9h 27m1 stop Newark

$456United Airlines

Tue, Nov 10 - Sun, Nov 15

Cheap last minute flights

Enter your travel dates to find the best prices.

8:55 pm - 7:03 amDCA Washington, D.C. Reagan-National-STI Santiago de los Caballeros

10h 08m1 stop Fort Lauderdale

8:57 am - 3:56 pmSTI Santiago de los Caballeros-DCA Washington, D.C. Reagan-National

6h 59m1 stop Orlando

$526JetBlue

Thu, Sep 3 - Mon, Sep 7

12:29 pm - 1:55 amIAD Washington, D.C. Dulles Intl-STI Santiago de los Caballeros

13h 26m1 stop New York John F Kennedy Intl

7:30 pm - 11:45 amSTI Santiago de los Caballeros-IAD Washington, D.C. Dulles Intl

16h 15m1 stop New York John F Kennedy Intl

$558Delta

Tue, Sep 1 - Thu, Oct 1

6:00 am - 8:03 pmBWI Baltimore/Washington-STI Santiago de los Caballeros

14h 03m1 stop Miami

3:15 pm - 9:44 amSTI Santiago de los Caballeros-BWI Baltimore/Washington

18h 29m2 stops Miami Charlotte Douglas

$563American Airlines

Tue, Sep 1 - Thu, Oct 1

6:10 am - 8:03 pmIAD Washington, D.C. Dulles Intl-STI Santiago de los Caballeros

13h 53m2 stops Charlotte Douglas Miami

3:15 pm - 9:55 amSTI Santiago de los Caballeros-IAD Washington, D.C. Dulles Intl

18h 40m2 stops Miami Charlotte Douglas

$563American Airlines

Tue, Sep 1 - Thu, Oct 1

2:18 pm - 1:55 amBWI Baltimore/Washington-STI Santiago de los Caballeros

11h 37m2 stops Atlanta Hartsfield-Jackson New York John F Kennedy Intl

7:30 pm - 5:26 pmSTI Santiago de los Caballeros-BWI Baltimore/Washington

21h 56m2 stops New York John F Kennedy Intl Atlanta Hartsfield-Jackson

$563Delta

Tue, Sep 1 - Thu, Oct 1

12:29 pm - 1:55 amIAD Washington, D.C. Dulles Intl-STI Santiago de los Caballeros

13h 26m1 stop New York John F Kennedy Intl

7:30 pm - 11:45 amSTI Santiago de los Caballeros-IAD Washington, D.C. Dulles Intl

16h 15m1 stop New York John F Kennedy Intl

$619Delta

Tue, Sep 1 - Thu, Oct 1

6:00 am - 3:01 pmDCA Washington, D.C. Reagan-National-STI Santiago de los Caballeros

9h 01m1 stop Fort Lauderdale

3:30 pm - 11:27 pmSTI Santiago de los Caballeros-DCA Washington, D.C. Reagan-National

7h 57m1 stop Fort Lauderdale

$675JetBlue

Thu, Sep 3 - Thu, Sep 17

7:38 am - 3:01 pmDCA Washington, D.C. Reagan-National-STI Santiago de los Caballeros

7h 23m1 stop Fort Lauderdale

3:30 pm - 11:27 pmSTI Santiago de los Caballeros-DCA Washington, D.C. Reagan-National

7h 57m1 stop Fort Lauderdale

$675JetBlue

Thu, Sep 3 - Sat, Sep 19

6:16 am - 12:57 pmIAD Washington, D.C. Dulles Intl-STI Santiago de los Caballeros

6h 41m1 stop Newark

6:00 am - 10:59 pmSTI Santiago de los Caballeros-IAD Washington, D.C. Dulles Intl

16h 59m1 stop Newark

$747United Airlines

Wed, Sep 2 - Wed, Sep 16

8:35 am - 3:12 pmIAD Washington, D.C. Dulles Intl-STI Santiago de los Caballeros

6h 37m1 stop Newark

6:00 am - 10:59 pmSTI Santiago de los Caballeros-IAD Washington, D.C. Dulles Intl

16h 59m1 stop Newark

$747United Airlines

Thu, Sep 3 - Wed, Sep 16

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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 29

BWI6:00 amBaltimore/Washington

11h 59m

2 stops

STI5:59 pmSantiago de los Caballeros

Oct 20

STI7:05 pmSantiago de los Caballeros

18h 01m

2 stops

BWI1:06 pmBaltimore/Washington

$403

Delta

Oct 17

BWI7:50 pmBaltimore/Washington

16h 43m

2 stops

STI12:33 pmSantiago de los Caballeros

Nov 3

STI8:10 pmSantiago de los Caballeros

16h 42m

2 stops

BWI11:52 amBaltimore/Washington

$415

Delta

Sep 15

BWI6:10 amBaltimore/Washington

11h 49m

2 stops

STI5:59 pmSantiago de los Caballeros

Oct 6

STI7:05 pmSantiago de los Caballeros

16h 47m

2 stops

BWI11:52 amBaltimore/Washington

$428

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

Sep 29

BWI6:00 amBaltimore/Washington

8h 15m

1 stop

STI2:15 pmSantiago de los Caballeros

Oct 15

STI3:12 pmSantiago de los Caballeros

7h 44m

1 stop

BWI10:56 pmBaltimore/Washington

$398

American Airlines

Oct 19

BWI7:19 pmBaltimore/Washington

18h 53m

1 stop

STI2:12 pmSantiago de los Caballeros

Nov 7

STI2:16 pmSantiago de los Caballeros

21h 45m

1 stop

BWI11:01 amBaltimore/Washington

$405

American Airlines

Oct 5

BWI7:19 pmBaltimore/Washington

18h 53m

1 stop

STI2:12 pmSantiago de los Caballeros

Oct 19

STI3:12 pmSantiago de los Caballeros

27h 06m

1 stop

BWI6:18 pmBaltimore/Washington

$406

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 Baltimore/Washington - STI Santiago de los Caballeros

BWISTI

Baltimore/Washington

Tue 10/20

6:00 am-2:12 pm

1 stop8h 12m

Santiago de los Caballeros

Fri 11/6

2:16 pm-10:58 pm

1 stop9h 42m

$398

Quickest round-trip

BaltimoreSantiago de los Caballeros

BWI Baltimore/Washington - STI Santiago de los Caballeros

BWISTI

Baltimore/Washington

Tue 10/20

6:00 am-2:12 pm

1 stop8h 12m

Santiago de los Caballeros

Wed 11/4

5:08 pm-10:58 pm

1 stop6h 50m

$398

BaltimoreSantiago de los Caballeros

BWI Baltimore/Washington - STI Santiago de los Caballeros

BWISTI

Baltimore/Washington

Tue 9/29

6:00 am-2:15 pm

1 stop8h 15m

Santiago de los Caballeros

Tue 10/6

3:12 pm-10:56 pm

1 stop7h 44m

$398

BaltimoreSantiago de los Caballeros

BWI Baltimore/Washington - STI Santiago de los Caballeros

BWISTI

Baltimore/Washington

Tue 10/20

9:09 am-10:52 pm

2 stops13h 43m

Santiago de los Caballeros

Sat 11/7

6:00 am-9:42 pm

2 stops16h 42m

$403

BaltimoreSantiago de los Caballeros

BWI Baltimore/Washington - STI Santiago de los Caballeros

BWISTI

Baltimore/Washington

Tue 10/20

9:09 am-10:52 pm

2 stops13h 43m

Santiago de los Caballeros

Wed 11/4

6:00 am-7:09 pm

2 stops14h 09m

$403

BaltimoreSantiago de los Caballeros

BWI Baltimore/Washington - STI Santiago de los Caballeros

BWISTI

Baltimore/Washington

Tue 9/29

6:10 am-5:59 pm

2 stops11h 49m

Santiago de los Caballeros

Tue 11/3

8:10 pm-4:51 pm

2 stops21h 41m

$403

Washington, D.C.Santiago de los Caballeros

DCA Washington, D.C. Reagan-National - STI Santiago de los Caballeros

DCASTI

Washington, D.C. Reagan-National

Mon 11/23

6:00 am-3:02 pm

1 stop8h 02m

Santiago de los Caballeros

Tue 12/8

5:00 pm-11:24 pm

1 stop7h 24m

$435

Washington, D.C.Santiago de los Caballeros

DCA Washington, D.C. Reagan-National - STI Santiago de los Caballeros

DCASTI

Washington, D.C. Reagan-National

Sat 12/5

6:59 pm-8:23 am

1 stop12h 24m

Santiago de los Caballeros

Sat 12/12

5:00 pm-11:24 pm

1 stop7h 24m

$435

Washington, D.C.Santiago de los Caballeros

DCA Washington, D.C. Reagan-National - STI Santiago de los Caballeros

DCASTI

Washington, D.C. Reagan-National

Tue 9/15

6:10 am-5:59 pm

1 stop11h 49m

Santiago de los Caballeros

Tue 10/6

7:05 pm-10:09 am

1 stop15h 04m

$439

Washington, D.C.Santiago de los Caballeros

DCA Washington, D.C. Reagan-National - STI Santiago de los Caballeros

DCASTI

Washington, D.C. Reagan-National

Tue 11/10

3:13 pm-11:51 pm

1 stop7h 38m

Santiago de los Caballeros

Sun 11/15

6:00 am-2:27 pm

1 stop9h 27m

$456

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?

Prices are currently typical for flights on this route.

Typical prices usually range from $368 to $466.
The lowest price recently found on this route was $398.

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 $458, 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 November is also cheap. Prices for this month can be found on momondo for an average of $519.

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

You could potentially save up to 6% 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 August 2026, prices for Washington, D.C. to Santiago de los Caballeros flights are approximately 6% 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

Best Price Found	$182
Fastest flight time	5h 52m
Direct flights	None

The best one-way flight to Santiago de los Caballeros from Washington, D.C. in the past 72 hours is $182. The best round-trip flight deal from Washington, D.C. to Santiago de los Caballeros found on momondo in the last 72 hours is $398.

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.

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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 August 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 (53% of total bookings). The next most popular airlines are American Airlines (30%), United Airlines (10%), and Delta (8%).

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 3,034 reviews	Search JetBlue flights
United Airlines	PriceFrom $467	Free Cancellation	Rating 7.4 10,148 reviews	Search United Airlines flights
American Airlines	PriceFrom $500	Free Cancellation	Rating 7.1 12,021 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 $182

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

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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

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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

Best Price Found

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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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