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Cheap flights from District of Columbia to Santiago de los Caballeros from $198

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 8/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

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
7:20 pm - 7:05 am
DCA
-
STI
11h 45m
1 stop
JetBlue Logo
10:05 am - 7:55 pm
STI
-
DCA
9h 50m
1 stop
$428JetBlue
Thu, Oct 15 - Mon, Oct 19
JetBlue Logo
7:20 pm - 7:05 am
DCA
-
STI
11h 45m
1 stop
JetBlue Logo
10:05 am - 7:55 pm
STI
-
DCA
9h 50m
1 stop
$433JetBlue
Mon, Oct 12 - Fri, Oct 23
JetBlue Logo
3:20 pm - 11:51 pm
DCA
-
STI
8h 31m
1 stop
JetBlue Logo
8:57 am - 7:59 pm
STI
-
DCA
11h 02m
1 stop
$436JetBlue
Tue, Aug 4 - Sun, Aug 30
JetBlue Logo
8:55 pm - 7:03 am
DCA
-
STI
10h 08m
1 stop
JetBlue Logo
8:57 am - 7:59 pm
STI
-
DCA
11h 02m
1 stop
$484JetBlue
Sat, Aug 15 - Sat, Aug 22
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
$550United Airlines
Thu, Sep 10 - Mon, Sep 14
American Airlines Logo
6:14 am - 2:15 pm
IAD
-
STI
8h 01m
2 stops
American Airlines Logo
3:16 pm - 8:44 am
STI
-
IAD
17h 28m
2 stops
$555American Airlines
Thu, Sep 10 - Thu, Oct 8
Delta Logo
7:00 am - 7:35 pm
IAD
-
STI
11h 35m
1 stop
Delta Logo
6:40 am - 7:10 pm
STI
-
IAD
13h 30m
1 stop
$570Delta
Thu, Nov 26 - Wed, Dec 2
American Airlines Logo
6:15 am - 2:12 pm
IAD
-
STI
7h 57m
2 stops
American Airlines Logo
2:18 pm - 11:58 pm
STI
-
IAD
9h 40m
2 stops
$575American Airlines
Mon, Oct 12 - Fri, Oct 23
Copa Airlines Logo
2:25 am - 2:58 pm
IAD
-
STI
12h 33m
1 stop
Copa Airlines Logo
4:10 pm - 4:20 am
STI
-
IAD
12h 10m
1 stop
$582Copa Airlines
Wed, Sep 30 - Mon, Oct 5
United Airlines Logo
8:33 am - 3:12 pm
IAD
-
STI
6h 39m
1 stop
United Airlines Logo
6:00 am - 4:23 pm
STI
-
IAD
10h 23m
1 stop
$590United Airlines
Thu, Oct 8 - Sun, Oct 11

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

Our best United Airlines deals on District of Columbia to Santiago de los Caballeros flight tickets
United Airlines
Sep 10
IAD6:15 amWashington, D.C. Dulles Intl
8h 57m
1 stop
STI3:12 pmSantiago de los Caballeros
Sep 14
STI2:07 pmSantiago de los Caballeros
8h 52m
1 stop
IAD10:59 pmWashington, D.C. Dulles Intl
$550
United Airlines
Oct 8
IAD8:33 amWashington, D.C. Dulles Intl
6h 39m
1 stop
STI3:12 pmSantiago de los Caballeros
Oct 11
STI6:00 amSantiago de los Caballeros
10h 23m
1 stop
IAD4:23 pmWashington, D.C. Dulles Intl
$590
United Airlines
Oct 15
IAD6:45 amWashington, D.C. Dulles Intl
6h 12m
1 stop
STI12:57 pmSantiago de los Caballeros
Oct 20
STI2:07 pmSantiago de los Caballeros
8h 52m
1 stop
IAD10:59 pmWashington, D.C. Dulles Intl
$591

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
Nov 26
DCA5:00 amWashington, D.C. Reagan-National
10h 06m
1 stop
STI4:06 pmSantiago de los Caballeros
Dec 1
STI5:08 pmSantiago de los Caballeros
16h 50m
1 stop
DCA8:58 amWashington, D.C. Reagan-National
$550
American Airlines
Nov 26
DCA5:00 amWashington, D.C. Reagan-National
10h 11m
2 stops
STI4:11 pmSantiago de los Caballeros
Dec 1
STI5:08 pmSantiago de los Caballeros
8h 10m
1 stop
DCA12:18 amWashington, D.C. Reagan-National
$555
American Airlines
Sep 16
DCA10:24 pmWashington, D.C. Reagan-National
15h 51m
2 stops
STI2:15 pmSantiago de los Caballeros
Sep 22
STI3:15 pmSantiago de los Caballeros
16h 45m
2 stops
DCA8:00 amWashington, D.C. Reagan-National
$560

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 July 20, 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

Thu 10/15

7:20 pm-7:05 am

1 stop11h 45m

Santiago de los Caballeros

Mon 10/19

10:05 am-7:55 pm

1 stop9h 50m

$428

Washington, D.C.Santiago de los Caballeros

DCA - STI

DCASTI

Washington, D.C. Reagan-National

Mon 10/12

7:20 pm-7:05 am

1 stop11h 45m

Santiago de los Caballeros

Fri 10/23

10:05 am-7:55 pm

1 stop9h 50m

$433

Washington, D.C.Santiago de los Caballeros

DCA - STI

DCASTI

Washington, D.C. Reagan-National

Tue 8/4

3:20 pm-11:51 pm

1 stop8h 31m

Santiago de los Caballeros

Sun 8/30

8:57 am-7:59 pm

1 stop11h 02m

$436

Washington, D.C.Santiago de los Caballeros

DCA - STI

DCASTI

Washington, D.C. Reagan-National

Sat 8/15

8:55 pm-7:03 am

1 stop10h 08m

Santiago de los Caballeros

Sat 8/22

8:57 am-7:59 pm

1 stop11h 02m

$484

Washington, D.C.Santiago de los Caballeros

IAD - STI

IADSTI

Washington, D.C. Dulles Intl

Thu 9/10

6:15 am-3:12 pm

1 stop8h 57m

Santiago de los Caballeros

Mon 9/14

2:07 pm-10:59 pm

1 stop8h 52m

$550

Washington, D.C.Santiago de los Caballeros

IAD - STI

IADSTI

Washington, D.C. Dulles Intl

Thu 9/10

6:14 am-2:15 pm

2 stops8h 01m

Santiago de los Caballeros

Thu 10/8

3:16 pm-8:44 am

2 stops17h 28m

$555

Washington, D.C.Santiago de los Caballeros

IAD - STI

IADSTI

Washington, D.C. Dulles Intl

Thu 11/26

7:00 am-7:35 pm

1 stop11h 35m

Santiago de los Caballeros

Wed 12/2

6:40 am-7:10 pm

1 stop13h 30m

$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

Wed 9/30

2:25 am-2:58 pm

1 stop12h 33m

Santiago de los Caballeros

Mon 10/5

4:10 pm-4:20 am

1 stop12h 10m

$582
Quickest round-trip

Washington, D.C.Santiago de los Caballeros

IAD - STI

IADSTI

Washington, D.C. Dulles Intl

Thu 10/8

8:33 am-3:12 pm

1 stop6h 39m

Santiago de los Caballeros

Sun 10/11

6:00 am-4:23 pm

1 stop10h 23m

$590

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest 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 $514, 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 March is also cheap. Prices for this month can be found on momondo for an average of $522.

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

You could potentially save up to 20% 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 12m

Direct flights

None
The fastest flight from District of Columbia to Santiago de los Caballeros takes 6h 12m
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.
Search flight deals

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
3,011 reviews
Search JetBlue flights
United AirlinesPriceFrom $467Free CancellationRating
7.4
10,014 reviews
Search United Airlines flights
American AirlinesPriceFrom $484Free CancellationRating
7.1
11,825 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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