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Cheap flights from District of Columbia to Santiago de los Caballeros from $160

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from District of Columbia to Santiago de los Caballeros departing on 12/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from District of Columbia to Santiago de los Caballeros

Cheap round-trip flights

Enter your travel dates to find the best prices.
JetBlue Logo
6:20 pm - 8:19 amDCA-STI
12h 59m1 stop
JetBlue Logo
10:11 am - 7:53 pmSTI-DCA
10h 42m1 stop
$457JetBlue
Find Deal
Sat, Feb 14 - Wed, Feb 18
JetBlue Logo
4:59 pm - 3:46 amDCA-STI
10h 47m1 stop
JetBlue Logo
9:00 am - 9:00 amSTI-DCA
24h 00m1 stop
$458JetBlue
Find Deal
Wed, Mar 11 - Mon, Mar 16
JetBlue Logo
7:00 am - 8:39 pmDCA-STI
12h 39m2 stops
JetBlue Logo
10:11 am - 8:10 pmSTI-DCA
10h 59m1 stop
$460JetBlue
Find Deal
Fri, Feb 27 - Sat, Mar 7
JetBlue Logo
6:15 am - 8:09 pmDCA-STI
12h 54m1 stop
JetBlue Logo
10:11 am - 10:39 pmSTI-DCA
13h 28m1 stop
$461JetBlue
Find Deal
Thu, Nov 27 - Sat, Dec 6
Delta Logo
12:23 pm - 12:50 amIAD-STI
11h 27m1 stop
Delta Logo
6:38 am - 7:09 pmSTI-IAD
13h 31m1 stop
$468Delta
Find Deal
Tue, Jan 20 - Tue, Jan 27
Copa Airlines Logo
1:18 am - 2:56 pmIAD-STI
12h 38m1 stop
Copa Airlines Logo
3:51 pm - 3:15 amSTI-IAD
12h 24m1 stop
$473Copa Airlines
Find Deal
Wed, Feb 18 - Mon, Feb 23
Copa Airlines Logo
2:12 am - 2:56 pmIAD-STI
12h 44m1 stop
Copa Airlines Logo
3:51 pm - 12:30 amSTI-IAD
8h 39m1 stop
$496Copa Airlines
Find Deal
Wed, Apr 29 - Mon, May 4
Delta Logo
12:30 pm - 12:14 amIAD-STI
11h 44m1 stop
Delta Logo
7:15 pm - 11:51 amSTI-IAD
16h 36m1 stop
$508Delta
Find Deal
Thu, Apr 30 - Mon, May 4
United Airlines Logo
6:00 am - 2:53 pmIAD-STI
7h 53m1 stop
United Airlines Logo
12:52 pm - 9:13 pmSTI-IAD
9h 21m1 stop
$532United Airlines
Find Deal
Sat, Jan 17 - Mon, Jan 26
United Airlines Logo
6:00 am - 2:53 pmIAD-STI
7h 53m1 stop
United Airlines Logo
4:00 pm - 11:21 pmSTI-IAD
8h 21m1 stop
$559United Airlines
Find Deal
Thu, Feb 19 - Mon, Feb 23

JetBlue flights from District of Columbia to Santiago de los Caballeros

Our best JetBlue deals on District of Columbia to Santiago de los Caballeros flight tickets
JetBlue
Mar 5
DCA6:00 amWashington, D.C. Reagan-National
13h 39m
1 stop
STI8:39 pmSantiago de los Caballeros
Mar 9
STI5:11 amSantiago de los Caballeros
17h 48m
1 stop
DCA10:59 pmWashington, D.C. Reagan-National
$456
Find similar
JetBlue
Jan 7
DCA6:30 pmWashington, D.C. Reagan-National
15h 32m
1 stop
STI11:02 amSantiago de los Caballeros
Jan 21
STI4:10 amSantiago de los Caballeros
19h 37m
1 stop
DCA10:47 pmWashington, D.C. Reagan-National
$460
Find similar
JetBlue
Nov 27
DCA6:15 amWashington, D.C. Reagan-National
12h 54m
1 stop
STI8:09 pmSantiago de los Caballeros
Dec 5
STI10:20 amSantiago de los Caballeros
13h 19m
1 stop
DCA10:39 pmWashington, D.C. Reagan-National
$461
Find similar

Delta flights from District of Columbia to Santiago de los Caballeros

Our best Delta deals on District of Columbia to Santiago de los Caballeros flight tickets
Delta
Jan 20
IAD12:23 pmWashington, D.C. Dulles Intl
11h 27m
1 stop
STI12:50 amSantiago de los Caballeros
Jan 27
STI6:38 amSantiago de los Caballeros
13h 31m
1 stop
IAD7:09 pmWashington, D.C. Dulles Intl
$468
Find similar
Delta
Apr 30
IAD12:30 pmWashington, D.C. Dulles Intl
11h 44m
1 stop
STI12:14 amSantiago de los Caballeros
May 4
STI7:15 pmSantiago de los Caballeros
16h 36m
1 stop
IAD11:51 amWashington, D.C. Dulles Intl
$508
Find similar
Delta
Feb 23
IAD12:23 pmWashington, D.C. Dulles Intl
11h 30m
1 stop
STI12:53 amSantiago de los Caballeros
Mar 16
STI7:41 pmSantiago de los Caballeros
16h 12m
1 stop
IAD11:53 amWashington, D.C. Dulles Intl
$513
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from District of Columbia to Santiago de los Caballeros that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated November 16, 2025.
Use the filters below to find and compare flights from District of Columbia to Santiago de los Caballeros that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Santiago de los Caballeros

DCA - STI

DCASTI

Washington, D.C. Reagan-National

Sat 2/14

6:20 pm-8:19 am

1 stop12h 59m

Santiago de los Caballeros

Wed 2/18

10:11 am-7:53 pm

1 stop10h 42m

$457

Washington, D.C.Santiago de los Caballeros

DCA - STI

DCASTI

Washington, D.C. Reagan-National

Wed 3/11

4:59 pm-3:46 am

1 stop10h 47m

Santiago de los Caballeros

Mon 3/16

9:00 am-9:00 am

1 stop24h 00m

$458

Washington, D.C.Santiago de los Caballeros

DCA - STI

DCASTI

Washington, D.C. Reagan-National

Fri 2/27

7:00 am-8:39 pm

2 stops12h 39m

Santiago de los Caballeros

Sat 3/7

10:11 am-8:10 pm

1 stop10h 59m

$460

Washington, D.C.Santiago de los Caballeros

DCA - STI

DCASTI

Washington, D.C. Reagan-National

Thu 11/27

6:15 am-8:09 pm

1 stop12h 54m

Santiago de los Caballeros

Sat 12/6

10:11 am-10:39 pm

1 stop13h 28m

$461

Washington, D.C.Santiago de los Caballeros

IAD - STI

IADSTI

Washington, D.C. Dulles Intl

Tue 1/20

12:23 pm-12:50 am

1 stop11h 27m

Santiago de los Caballeros

Tue 1/27

6:38 am-7:09 pm

1 stop13h 31m

$468

Washington, D.C.Santiago de los Caballeros

IAD - STI

IADSTI

Washington, D.C. Dulles Intl

Wed 2/18

1:18 am-2:56 pm

1 stop12h 38m

Santiago de los Caballeros

Mon 2/23

3:51 pm-3:15 am

1 stop12h 24m

$473

Washington, D.C.Santiago de los Caballeros

IAD - STI

IADSTI

Washington, D.C. Dulles Intl

Wed 4/29

2:12 am-2:56 pm

1 stop12h 44m

Santiago de los Caballeros

Mon 5/4

3:51 pm-12:30 am

1 stop8h 39m

$496

Washington, D.C.Santiago de los Caballeros

IAD - STI

IADSTI

Washington, D.C. Dulles Intl

Thu 4/30

12:30 pm-12:14 am

1 stop11h 44m

Santiago de los Caballeros

Mon 5/4

7:15 pm-11:51 am

1 stop16h 36m

$508

Washington, D.C.Santiago de los Caballeros

IAD - STI

IADSTI

Washington, D.C. Dulles Intl

Sat 1/17

6:00 am-2:53 pm

1 stop7h 53m

Santiago de los Caballeros

Mon 1/26

12:52 pm-9:13 pm

1 stop9h 21m

$532

Washington, D.C.Santiago de los Caballeros

IAD - STI

IADSTI

Washington, D.C. Dulles Intl

Thu 2/19

6:00 am-2:53 pm

1 stop7h 53m

Santiago de los Caballeros

Mon 2/23

4:00 pm-11:21 pm

1 stop8h 21m

$559

Flights are sorted by cheapest round-trip flights first.

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See travel insights to Santiago de los Caballeros from

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

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 October. Flight prices, which tend to average around $475, 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 October, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $493.

What is the cheapest day to depart on your flight to Santiago de los Caballeros?

The cheapest day to depart from District of Columbia to Santiago de los Caballeros is on a Sunday when prices can be found for as low as $475. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from District of Columbia to Santiago de los Caballeros for around $614.

What is the cheapest time of day to depart on your flight to Santiago de los Caballeros?

Our data shows that the cheapest District of Columbia to Santiago de los Caballeros flights are usually those with departure times in the morning. Our users have found flights to Santiago de los Caballeros in the morning for as low as $520. At noon is when there is more demand to fly to Santiago de los Caballeros, so prices are often more expensive at around $657 per ticket.

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

Direct flights

None
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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  • 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?

  • 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
Spirit AirlinesPriceFrom $322Free CancellationRating
6.3
8,144 reviews
Search Spirit Airlines flights
JetBluePriceFrom $426Free CancellationRating
7.2
2,903 reviews
Search JetBlue flights
DeltaPriceFrom $483Free CancellationRating
7.9
8,007 reviews
Search Delta flights
American AirlinesPriceFrom $484Free CancellationRating
7.2
11,050 reviews
Search American Airlines flights
United AirlinesPriceFrom $488Free CancellationRating
7.4
9,013 reviews
Search United Airlines flights

Why use momondo?

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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