What is the cheapest airline that flies from District of Columbia to Santiago de los Caballeros?

American Airlines, United Airlines, and Delta are the most popular carriers operating from District of Columbia to Santiago de los Caballeros

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 District of Columbia according to our data. American Airlines is the first choice among our users, with 42% 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.

When did momondo last update prices for flights from District of Columbia to Santiago de los Caballeros Airport?

Prices for flights from District of Columbia to Santiago de los Caballeros Airport are refreshed on a daily basis.

How many operators does momondo search for flights from District of Columbia to Santiago de los Caballeros Airport?

As of October 2026, there are 3 operators available to choose from for flights from District of Columbia to Santiago de los Caballeros Airport.

How old do you have to be to fly from District of Columbia 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 District of Columbia 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.

$167 Cheap Flights from District of Columbia to Santiago de los Caballeros in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from District of Columbia to Santiago de los Caballeros

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

7:14 pm - 1:22 pmIAD Washington, D.C. Dulles Intl-STI Santiago de los Caballeros

17h 08m2 stops Charlotte Douglas Miami

7:00 am - 9:59 pmSTI Santiago de los Caballeros-IAD Washington, D.C. Dulles Intl

15h 59m2 stops Miami Charlotte Douglas

$446American Airlines

Mon, Feb 1 - Sat, Feb 27

1:19 am - 2:53 pmIAD Washington, D.C. Dulles Intl-STI Santiago de los Caballeros

12h 34m1 stop Panama City Tocumen Intl

3:56 pm - 3:16 amSTI Santiago de los Caballeros-IAD Washington, D.C. Dulles Intl

12h 20m1 stop Panama City Tocumen Intl

$447Copa Airlines

Sun, Jan 31 - Sat, Feb 27

12:32 pm - 12:59 amIAD Washington, D.C. Dulles Intl-STI Santiago de los Caballeros

11h 27m2 stops Atlanta Hartsfield-Jackson New York John F Kennedy Intl

7:00 am - 8:11 pmSTI Santiago de los Caballeros-IAD Washington, D.C. Dulles Intl

14h 11m2 stops New York John F Kennedy Intl Atlanta Hartsfield-Jackson

$451Delta

Mon, Nov 23 - Wed, Dec 2

5:02 pm - 12:59 amDCA Washington, D.C. Reagan-National-STI Santiago de los Caballeros

6h 57m1 stop New York John F Kennedy Intl

7:00 am - 9:47 pmSTI Santiago de los Caballeros-DCA Washington, D.C. Reagan-National

15h 47m2 stops New York John F Kennedy Intl Atlanta Hartsfield-Jackson

$451Delta

Mon, Nov 9 - Fri, Nov 13

8:11 pm - 12:22 pmIAD Washington, D.C. Dulles Intl-STI Santiago de los Caballeros

16h 11m2 stops Charlotte Douglas Philadelphia

1:22 pm - 8:49 amSTI Santiago de los Caballeros-IAD Washington, D.C. Dulles Intl

19h 27m2 stops Philadelphia Charlotte Douglas

$456American Airlines

Wed, Apr 21 - Tue, Apr 27

5:00 am - 3:16 pmDCA Washington, D.C. Reagan-National-STI Santiago de los Caballeros

9h 16m2 stops Charlotte Douglas Philadelphia

5:08 pm - 3:00 pmSTI Santiago de los Caballeros-DCA Washington, D.C. Reagan-National

22h 52m1 stop Miami

$465American Airlines

Thu, Nov 12 - Mon, Nov 16

7:00 pm - 8:23 amDCA Washington, D.C. Reagan-National-STI Santiago de los Caballeros

12h 23m1 stop Orlando

4:25 pm - 10:52 pmSTI Santiago de los Caballeros-DCA Washington, D.C. Reagan-National

7h 27m1 stop New York John F Kennedy Intl

$468JetBlue

Fri, Dec 4 - Fri, Dec 11

7:00 pm - 8:23 amDCA Washington, D.C. Reagan-National-STI Santiago de los Caballeros

12h 23m1 stop Orlando

4:25 pm - 10:52 pmSTI Santiago de los Caballeros-DCA Washington, D.C. Reagan-National

7h 27m1 stop New York John F Kennedy Intl

$468JetBlue

Thu, Dec 3 - Thu, Dec 10

12:37 pm - 11:51 pmIAD Washington, D.C. Dulles Intl-STI Santiago de los Caballeros

10h 14m1 stop Newark

4:00 pm - 10:25 pmSTI Santiago de los Caballeros-IAD Washington, D.C. Dulles Intl

7h 25m1 stop Newark

$474United Airlines

Wed, Nov 11 - Fri, Nov 27

12:37 pm - 11:51 pmIAD Washington, D.C. Dulles Intl-STI Santiago de los Caballeros

10h 14m1 stop Newark

4:00 pm - 11:25 pmSTI Santiago de los Caballeros-IAD Washington, D.C. Dulles Intl

8h 25m1 stop Newark

$475United Airlines

Thu, Nov 5 - Wed, Nov 11

Cheap last minute flights

Enter your travel dates to find the best prices.

6:05 am - 5:33 pmIAD Washington, D.C. Dulles Intl-STI Santiago de los Caballeros

11h 28m2 stops Detroit Metropolitan Wayne County New York John F Kennedy Intl

7:00 am - 8:10 pmSTI Santiago de los Caballeros-IAD Washington, D.C. Dulles Intl

14h 10m2 stops New York John F Kennedy Intl Atlanta Hartsfield-Jackson

$451Delta

Tue, Oct 27 - Wed, Nov 18

5:13 pm - 12:33 pmIAD Washington, D.C. Dulles Intl-STI Santiago de los Caballeros

19h 20m2 stops Detroit Metropolitan Wayne County New York John F Kennedy Intl

7:00 am - 5:28 pmSTI Santiago de los Caballeros-IAD Washington, D.C. Dulles Intl

11h 28m1 stop New York John F Kennedy Intl

$451Delta

Tue, Oct 27 - Wed, Nov 18

5:13 pm - 12:33 pmIAD Washington, D.C. Dulles Intl-STI Santiago de los Caballeros

19h 20m2 stops Detroit Metropolitan Wayne County New York John F Kennedy Intl

8:10 pm - 11:50 amSTI Santiago de los Caballeros-IAD Washington, D.C. Dulles Intl

16h 40m1 stop New York John F Kennedy Intl

$451Delta

Mon, Oct 26 - Fri, Nov 6

12:36 pm - 10:51 pmIAD Washington, D.C. Dulles Intl-STI Santiago de los Caballeros

10h 15m1 stop Newark

4:00 pm - 10:25 pmSTI Santiago de los Caballeros-IAD Washington, D.C. Dulles Intl

7h 25m1 stop Newark

$502United Airlines

Tue, Oct 27 - Tue, Nov 3

8:00 am - 6:26 pmDCA Washington, D.C. Reagan-National-STI Santiago de los Caballeros

10h 26m1 stop San Juan Luis Munoz Marin Intl

12:04 pm - 10:15 pmSTI Santiago de los Caballeros-DCA Washington, D.C. Reagan-National

11h 11m1 stop New York John F Kennedy Intl

$515JetBlue

Mon, Oct 26 - Mon, Nov 2

6:15 am - 2:12 pmIAD Washington, D.C. Dulles Intl-STI Santiago de los Caballeros

7h 57m2 stops Charlotte Douglas Miami

5:08 pm - 10:11 amSTI Santiago de los Caballeros-IAD Washington, D.C. Dulles Intl

18h 03m2 stops Miami Charlotte Douglas

$527American Airlines

Tue, Oct 27 - Tue, Nov 3

6:10 am - 1:53 pmIAD Washington, D.C. Dulles Intl-STI Santiago de los Caballeros

7h 43m1 stop Newark

3:00 pm - 10:25 pmSTI Santiago de los Caballeros-IAD Washington, D.C. Dulles Intl

7h 25m1 stop Newark

$535United Airlines

Tue, Oct 27 - Wed, Oct 28

12:36 pm - 10:51 pmIAD Washington, D.C. Dulles Intl-STI Santiago de los Caballeros

10h 15m1 stop Newark

4:00 pm - 10:25 pmSTI Santiago de los Caballeros-IAD Washington, D.C. Dulles Intl

7h 25m1 stop Newark

$535United Airlines

Wed, Oct 28 - Mon, Nov 2

7:15 pm - 1:18 pmIAD Washington, D.C. Dulles Intl-STI Santiago de los Caballeros

18h 03m2 stops Charlotte Douglas Philadelphia

5:08 pm - 6:47 pmSTI Santiago de los Caballeros-IAD Washington, D.C. Dulles Intl

26h 39m2 stops Miami Charlotte Douglas

$548American Airlines

Sat, Oct 24 - Tue, Nov 17

6:00 am - 2:47 pmDCA Washington, D.C. Reagan-National-STI Santiago de los Caballeros

8h 47m1 stop Fort Lauderdale

5:01 am - 3:55 pmSTI Santiago de los Caballeros-DCA Washington, D.C. Reagan-National

10h 54m1 stop Boston Logan Intl

$607JetBlue

Thu, Oct 22 - Mon, Oct 26

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American Airlines flights from District of Columbia to Santiago de los Caballeros

Our best American Airlines deals on District of Columbia to Santiago de los Caballeros flight tickets

American Airlines

Feb 1

IAD7:14 pmWashington, D.C. Dulles Intl

17h 08m

2 stops

STI1:22 pmSantiago de los Caballeros

Feb 27

STI7:00 amSantiago de los Caballeros

15h 59m

2 stops

IAD9:59 pmWashington, D.C. Dulles Intl

$446

American Airlines

Nov 12

DCA5:00 amWashington, D.C. Reagan-National

9h 16m

2 stops

STI3:16 pmSantiago de los Caballeros

Nov 16

STI5:08 pmSantiago de los Caballeros

22h 52m

1 stop

DCA3:00 pmWashington, D.C. Reagan-National

$465

American Airlines

Nov 12

DCA8:51 pmWashington, D.C. Reagan-National

18h 17m

1 stop

STI4:08 pmSantiago de los Caballeros

Nov 16

STI5:08 pmSantiago de los Caballeros

19h 58m

1 stop

DCA12:06 pmWashington, D.C. Reagan-National

$466

Copa Airlines flights from District of Columbia to Santiago de los Caballeros

Our best Copa Airlines deals on District of Columbia to Santiago de los Caballeros flight tickets

Copa Airlines

Jan 31

IAD1:19 amWashington, D.C. Dulles Intl

12h 34m

1 stop

STI2:53 pmSantiago de los Caballeros

Feb 27

STI3:56 pmSantiago de los Caballeros

12h 20m

1 stop

IAD3:16 amWashington, D.C. Dulles Intl

$447

Copa Airlines

Nov 27

IAD3:37 pmWashington, D.C. Dulles Intl

22h 17m

1 stop

STI2:54 pmSantiago de los Caballeros

Dec 14

STI4:00 pmSantiago de los Caballeros

12h 19m

1 stop

IAD3:19 amWashington, D.C. Dulles Intl

$479

Copa Airlines

Nov 27

IAD3:37 pmWashington, D.C. Dulles Intl

22h 17m

1 stop

STI2:54 pmSantiago de los Caballeros

Dec 5

STI4:00 pmSantiago de los Caballeros

12h 19m

1 stop

IAD3:19 amWashington, D.C. Dulles Intl

$519

momondo Fare Finder

Use the filters below to find and compare flights from District of Columbia to Santiago de los Caballeros that are best for you.

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Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Santiago de los Caballeros

IAD Washington, D.C. Dulles Intl - STI Santiago de los Caballeros

IADSTI

Washington, D.C. Dulles Intl

Mon 2/1

7:14 pm-1:22 pm

2 stops17h 08m

Santiago de los Caballeros

Sat 2/27

7:00 am-9:59 pm

2 stops15h 59m

$446

Washington, D.C.Santiago de los Caballeros

IAD Washington, D.C. Dulles Intl - STI Santiago de los Caballeros

IADSTI

Washington, D.C. Dulles Intl

Sun 1/31

1:19 am-2:53 pm

1 stop12h 34m

Santiago de los Caballeros

Sat 2/27

3:56 pm-3:16 am

1 stop12h 20m

$447

Washington, D.C.Santiago de los Caballeros

IAD Washington, D.C. Dulles Intl - STI Santiago de los Caballeros

IADSTI

Washington, D.C. Dulles Intl

Mon 11/23

12:32 pm-12:59 am

2 stops11h 27m

Santiago de los Caballeros

Wed 12/2

7:00 am-8:11 pm

2 stops14h 11m

$451

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 11/9

5:02 pm-12:59 am

1 stop6h 57m

Santiago de los Caballeros

Fri 11/13

7:00 am-9:47 pm

2 stops15h 47m

$451

Washington, D.C.Santiago de los Caballeros

IAD Washington, D.C. Dulles Intl - STI Santiago de los Caballeros

IADSTI

Washington, D.C. Dulles Intl

Wed 4/21

8:11 pm-12:22 pm

2 stops16h 11m

Santiago de los Caballeros

Tue 4/27

1:22 pm-8:49 am

2 stops19h 27m

$456

Washington, D.C.Santiago de los Caballeros

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

DCASTI

Washington, D.C. Reagan-National

Thu 11/12

5:00 am-3:16 pm

2 stops9h 16m

Santiago de los Caballeros

Mon 11/16

5:08 pm-3:00 pm

1 stop22h 52m

$465

Washington, D.C.Santiago de los Caballeros

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

DCASTI

Washington, D.C. Reagan-National

Fri 12/4

7:00 pm-8:23 am

1 stop12h 23m

Santiago de los Caballeros

Fri 12/11

4:25 pm-10:52 pm

1 stop7h 27m

$468

Washington, D.C.Santiago de los Caballeros

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

DCASTI

Washington, D.C. Reagan-National

Thu 12/3

7:00 pm-8:23 am

1 stop12h 23m

Santiago de los Caballeros

Thu 12/10

4:25 pm-10:52 pm

1 stop7h 27m

$468

Quickest round-trip

Washington, D.C.Santiago de los Caballeros

IAD Washington, D.C. Dulles Intl - STI Santiago de los Caballeros

IADSTI

Washington, D.C. Dulles Intl

Wed 11/11

12:37 pm-11:51 pm

1 stop10h 14m

Santiago de los Caballeros

Fri 11/27

4:00 pm-10:25 pm

1 stop7h 25m

$474

Washington, D.C.Santiago de los Caballeros

IAD Washington, D.C. Dulles Intl - STI Santiago de los Caballeros

IADSTI

Washington, D.C. Dulles Intl

Thu 11/5

12:37 pm-11:51 pm

1 stop10h 14m

Santiago de los Caballeros

Wed 11/11

4:00 pm-11:25 pm

1 stop8h 25m

$475

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 District of Columbia 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

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

The cheapest month to fly to Santiago de los Caballeros from District of Columbia is in August. Flight prices, which tend to average around $536, 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 August, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $540.

Can stopping save me money on District of Columbia to Santiago de los Caballeros flights?

You could potentially save up to 23% on your flight if you consider stops on a District of Columbia to Santiago de los Caballeros flight.

Cheap District of Columbia to Santiago de los Caballeros flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from District of Columbia to Santiago de los Caballeros

Best Price Found	$167
Fastest flight time	6h 28m
Direct flights	None

The best one-way flight to Santiago de los Caballeros from District of Columbia in the past 72 hours is $167. The best round-trip flight deal from District of Columbia to Santiago de los Caballeros found on momondo in the last 72 hours is $446.

The fastest flight from District of Columbia to Santiago de los Caballeros takes 6h 28m

There are no direct flights from District of Columbia to Santiago de los Caballeros. There are no popular flight routes from District of Columbia to Santiago de los Caballeros.

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Frequently asked questions about flying from District of Columbia to Santiago de los Caballeros

When did momondo last update prices for flights from District of Columbia to Santiago de los Caballeros Airport?
Prices for flights from District of Columbia to Santiago de los Caballeros Airport are refreshed on a daily basis.
How many operators does momondo search for flights from District of Columbia to Santiago de los Caballeros Airport?
As of October 2026, there are 3 operators available to choose from for flights from District of Columbia to Santiago de los Caballeros Airport.
How old do you have to be to fly from District of Columbia 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 District of Columbia 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.

Best airlines flying from District of Columbia to Santiago de los Caballeros

Compare and see reviews for airlines that fly from District of Columbia to Santiago de los Caballeros with momondo

Airline	Rating	Free Cancellation	Price
JetBlue	PriceFrom $364	Free Cancellation	Rating 7.1 3,060 reviews	Search JetBlue flights
United Airlines	PriceFrom $467	Free Cancellation	Rating 7.3 10,396 reviews	Search United Airlines flights
American Airlines	PriceFrom $511	Free Cancellation	Rating 7.0 12,182 reviews	Search American Airlines flights

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Why should I use momondo to find a flight deal from District of Columbia to Santiago de los Caballeros?

Finding the right flight to Santiago de los Caballeros from District of Columbia is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Santiago de los Caballeros quick and easy, saving you time and money.

Can I find flights from District of Columbia to Santiago de los Caballeros with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for District of Columbia to Santiago de los Caballeros flights to just show those with flexible booking policies.

How can momondo help me find flights from District of Columbia to Santiago de los Caballeros?

Once all potential District of Columbia to Santiago de los Caballeros flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from District of Columbia to Santiago de los Caballeros right now. Can momondo alert me if prices change?

Price alerts on flights to Santiago de los Caballeros from District of Columbia are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Cheap flights from District of Columbia to Santiago de los Caballeros from $167

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American Airlines flights from District of Columbia to Santiago de los Caballeros

Our best American Airlines deals on District of Columbia to Santiago de los Caballeros flight tickets

Copa Airlines flights from District of Columbia to Santiago de los Caballeros

Our best Copa Airlines deals on District of Columbia to Santiago de los Caballeros flight tickets

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How to get the cheapest flight ticket from District of Columbia to Santiago de los Caballeros

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

Can stopping save me money on District of Columbia to Santiago de los Caballeros flights?

What is the cheapest airline that flies from District of Columbia to Santiago de los Caballeros?

What airlines fly to Santiago de los Caballeros?

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Frequently asked questions about flying from District of Columbia to Santiago de los Caballeros

Best airlines flying from District of Columbia to Santiago de los Caballeros

Compare and see reviews for airlines that fly from District of Columbia 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.

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Daily price changes in your inbox - only with Price Alerts.

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