Cheap flights from District of Columbia to Santiago de los Caballeros from $165

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 6/9. 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
4:10 pm - 11:51 pm
DCA
-
STI
7h 41m
1 stop
JetBlue Logo
3:55 pm - 11:40 pm
STI
-
DCA
7h 45m
1 stop
$362JetBlue
Wed, Sep 16 - Tue, Sep 22
JetBlue Logo
7:59 am - 2:45 pm
DCA
-
STI
6h 46m
1 stop
JetBlue Logo
3:55 pm - 11:40 pm
STI
-
DCA
7h 45m
1 stop
$363JetBlue
Wed, Sep 23 - Tue, Sep 29
JetBlue Logo
6:00 am - 2:45 pm
DCA
-
STI
8h 45m
1 stop
JetBlue Logo
3:55 pm - 11:40 pm
STI
-
DCA
7h 45m
1 stop
$364JetBlue
Sun, Sep 13 - Fri, Sep 18
JetBlue Logo
4:10 pm - 11:51 pm
DCA
-
STI
7h 41m
1 stop
JetBlue Logo
4:43 pm - 11:34 pm
STI
-
DCA
7h 51m
1 stop
$366JetBlue
Sat, Oct 10 - Mon, Nov 2
Delta Logo
7:59 pm - 12:03 pm
IAD
-
STI
16h 04m
1 stop
Delta Logo
7:16 pm - 11:52 am
STI
-
IAD
16h 36m
1 stop
$540Delta
Sun, Oct 11 - Tue, Oct 20
American Airlines Logo
6:14 am - 2:13 pm
IAD
-
STI
7h 59m
2 stops
American Airlines Logo
3:13 pm - 9:55 am
STI
-
IAD
18h 42m
2 stops
$545American Airlines
Wed, Sep 16 - Tue, Sep 22
Delta Logo
7:59 pm - 12:03 pm
IAD
-
STI
16h 04m
1 stop
Delta Logo
7:16 pm - 11:52 am
STI
-
IAD
16h 36m
1 stop
$560Delta
Sat, Oct 10 - Wed, Oct 21
Copa Airlines Logo
4:34 pm - 2:58 pm
IAD
-
STI
22h 24m
1 stop
Copa Airlines Logo
4:12 pm - 4:20 am
STI
-
IAD
12h 08m
1 stop
$562Copa Airlines
Wed, Sep 23 - Mon, Sep 28
Copa Airlines Logo
2:25 am - 2:58 pm
IAD
-
STI
12h 33m
1 stop
Copa Airlines Logo
4:01 pm - 1:58 pm
STI
-
IAD
22h 57m
1 stop
$577Copa Airlines
Fri, Oct 9 - Mon, Nov 2
United Airlines Logo
6:15 am - 3:12 pm
IAD
-
STI
8h 57m
1 stop
United Airlines Logo
2:07 pm - 10:59 pm
STI
-
IAD
8h 52m
1 stop
$600United Airlines
Fri, Sep 11 - Wed, Sep 16

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
Aug 13
DCA5:00 amWashington, D.C. Reagan-National
16h 07m
1 stop
STI9:07 pmSantiago de los Caballeros
Aug 18
STI8:30 amSantiago de los Caballeros
12h 29m
1 stop
DCA8:59 pmWashington, D.C. Reagan-National
$540
American Airlines
Sep 16
DCA10:24 pmWashington, D.C. Reagan-National
15h 49m
2 stops
STI2:13 pmSantiago de los Caballeros
Sep 22
STI3:13 pmSantiago de los Caballeros
16h 37m
2 stops
DCA7:50 amWashington, D.C. Reagan-National
$545
American Airlines
Jul 12
DCA5:00 amWashington, D.C. Reagan-National
16h 29m
1 stop
STI9:29 pmSantiago de los Caballeros
Jul 28
STI9:00 amSantiago de los Caballeros
11h 59m
1 stop
DCA8:59 pmWashington, D.C. Reagan-National
$560

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
Sep 23
IAD4:34 pmWashington, D.C. Dulles Intl
22h 24m
1 stop
STI2:58 pmSantiago de los Caballeros
Sep 28
STI4:12 pmSantiago de los Caballeros
12h 08m
1 stop
IAD4:20 amWashington, D.C. Dulles Intl
$562
Copa Airlines
Oct 9
IAD2:25 amWashington, D.C. Dulles Intl
12h 33m
1 stop
STI2:58 pmSantiago de los Caballeros
Nov 2
STI4:01 pmSantiago de los Caballeros
22h 57m
1 stop
IAD1:58 pmWashington, D.C. Dulles Intl
$577
Copa Airlines
Jun 28
IAD2:21 amWashington, D.C. Dulles Intl
12h 38m
1 stop
STI2:59 pmSantiago de los Caballeros
Jul 6
STI4:01 pmSantiago de los Caballeros
12h 20m
1 stop
IAD4:21 amWashington, D.C. Dulles Intl
$590

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 June 2, 2026.
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

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

DCA - STI

DCASTI

Washington, D.C. Reagan-National

Sun 9/13

6:00 am-2:45 pm

1 stop8h 45m

Santiago de los Caballeros

Fri 9/18

3:55 pm-11:40 pm

1 stop7h 45m

$364

Washington, D.C.Santiago de los Caballeros

DCA - STI

DCASTI

Washington, D.C. Reagan-National

Sat 10/10

4:10 pm-11:51 pm

1 stop7h 41m

Santiago de los Caballeros

Mon 11/2

4:43 pm-11:34 pm

1 stop7h 51m

$366

Washington, D.C.Santiago de los Caballeros

IAD - STI

IADSTI

Washington, D.C. Dulles Intl

Sun 10/11

7:59 pm-12:03 pm

1 stop16h 04m

Santiago de los Caballeros

Tue 10/20

7:16 pm-11:52 am

1 stop16h 36m

$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

Sat 10/10

7:59 pm-12:03 pm

1 stop16h 04m

Santiago de los Caballeros

Wed 10/21

7:16 pm-11:52 am

1 stop16h 36m

$560

Washington, D.C.Santiago de los Caballeros

IAD - STI

IADSTI

Washington, D.C. Dulles Intl

Wed 9/23

4:34 pm-2:58 pm

1 stop22h 24m

Santiago de los Caballeros

Mon 9/28

4:12 pm-4:20 am

1 stop12h 08m

$562

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 11/2

4:01 pm-1:58 pm

1 stop22h 57m

$577

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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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 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 District of Columbia to Santiago de los Caballeros flights?

You could potentially save up to 35% 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

Fastest flight time

6h 11m

Direct flights

None
The fastest flight from District of Columbia to Santiago de los Caballeros takes 6h 11m
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.

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?

  • 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
JetBluePriceFrom $362Free CancellationRating
7.1
2,981 reviews
Search JetBlue flights
United AirlinesPriceFrom $467Free CancellationRating
7.4
9,778 reviews
Search United Airlines flights
American AirlinesPriceFrom $484Free CancellationRating
7.1
11,643 reviews
Search American 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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1 adult
Thu 7/2
Thu 7/9

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