What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Santiago de los Caballeros round-trip?

Cheapflights users have booked flights from Washington, D.C. Dulles Intl Airport to Santiago de los Caballeros round-trip from $379. Other airlines that can offer you cheap pricing are Delta, from $417, and American Airlines, from $435. United Airlines is priced at 34% lower than the current average price of a flight leaving 3 months from now.

What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Santiago de los Caballeros one-way?

One-way options have recently been found by users for as low as $178 on United Airlines. Other airlines that offer cheap prices include American Airlines from $180 and Spirit Airlines from $674 one-way.

What are the cheapest flights from Washington, D.C. Dulles Intl Airport to Santiago de los Caballeros?

Looking at all options, your cheapest flight can be booked for $315. While the most popular route (Washington, D.C. Dulles Intl - Santiago de los Caballeros) can be booked for $417 on average our data indicates $388 when flying from Washington, D.C. Dulles Intl Airport to Santiago de los Caballeros.

Which airlines flying from Washington, D.C. Dulles Intl to Santiago de los Caballeros have flexible cancellations due to COVID-19?

United Airlines and Delta are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

What is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Santiago de los Caballeros?

Flights from Washington, D.C. Dulles Intl Airport to Santiago de los Caballeros lean towards being more expensive in December. Prices are generally better when you fly from Washington, D.C. Dulles Intl Airport to Santiago de los Caballeros in March, with the cheapest ticket starting at $398.

When is the cheapest time to fly from Washington, D.C. Dulles Intl Airport to Santiago de los Caballeros (IAD - STI)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. Dulles Intl Airport to Santiago de los Caballeros as you normally would.

What does IAD to STI mean?

Washington, D.C. Dulles Intl Airport is IAD and Santiago de los Caballeros Airport is STI. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service.

Flights from Washington, D.C. Dulles Intl Airport (IAD) to Santiago de los Caballeros, the Dominican Republic from $178

Q: Can I find flights from Washington, D.C. Dulles Intl Airport to Santiago de los Caballeros for under $400 on Cheapflights?

Yes, there are multiple flights from Washington, D.C. Dulles Intl Airport to Santiago de los Caballeros for under $400. The cheapest flight booked recently is on United Airlines for just $379, but on average you can expect to pay $481.

Q: Are there last-minute flights available from Washington, D.C. Dulles Intl Airport to Santiago de los Caballeros for under $600?

There are currently 10+ open flights from Washington, D.C. Dulles Intl Airport to Santiago de los Caballeros within the next 7 days for less than $600.

How to find the cheapest flight from Dulles Intl (IAD) to Santiago de los Caballeros (STI)

IAD - STI Price	$335 - $842
STI Temperature	73.4 - 80.6 °F
STI Rainfall	3 - 11.6 inches

IAD - STI

Price

$335 - $842

STI

Temperature

73.4 - 80.6 °F

STI

Rainfall

3 - 11.6 inches

Popular in	July	High demand for flights, 31% potential price rise
Cheapest in	March	Best time to find cheap flights, 42% potential price drop
Round-trip from	$335	From Washington, D.C. Dulles Intl to Santiago de los Caballeros
One-way from	$265	One-way flight from Washington, D.C. Dulles Intl to Santiago de los Caballeros

To save on the cost of your flight from Washington, D.C. Dulles Intl Airport to Santiago de los Caballeros, book at least 57 days before your planned departure. Booking around this time can save you about 31% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $606 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $753.

Cheap flights from Dulles Intl to Santiago de los Caballeros in March, April 2023

Apr 19 - Apr 25

IAD

Washington, D.C. Dulles Intl

STI

Santiago de los Caballeros

1 stop

8h 25m

STI

Santiago de los Caballeros

IAD

Washington, D.C. Dulles Intl

1 stop

14h 55m

$379

United Airlines

Pick Dates

Deal found 3/20

Apr 22 - May 7

IAD

Washington, D.C. Dulles Intl

STI

Santiago de los Caballeros

1 stop

14h 19m

STI

Santiago de los Caballeros

IAD

Washington, D.C. Dulles Intl

1 stop

14h 12m

$417

Delta

Pick Dates

Deal found 3/22

Apr 20 - Apr 27

IAD

Washington, D.C. Dulles Intl

STI

Santiago de los Caballeros

1 stop

13h 33m

STI

Santiago de los Caballeros

IAD

Washington, D.C. Dulles Intl

1 stop

17h 03m

$455

Delta

Pick Dates

Deal found 3/21

Apr 20 - Apr 27

IAD

Washington, D.C. Dulles Intl

STI

Santiago de los Caballeros

2 stops

17h 50m

STI

Santiago de los Caballeros

IAD

Washington, D.C. Dulles Intl

2 stops

19h 59m

$469

American Airlines

Pick Dates

Deal found 3/21

Apr 22 - May 6

IAD

Washington, D.C. Dulles Intl

STI

Santiago de los Caballeros

1 stop

28h 30m

STI

Santiago de los Caballeros

IAD

Washington, D.C. Dulles Intl

1 stop

14h 23m

$475

United Airlines

Pick Dates

Deal found 3/22

Apr 20 - Apr 23

IAD

Washington, D.C. Dulles Intl

STI

Santiago de los Caballeros

1 stop

6h 35m

STI

Santiago de los Caballeros

IAD

Washington, D.C. Dulles Intl

1 stop

11h 00m

$504

United Airlines

Pick Dates

Deal found 3/21

Apr 20 - Apr 22

IAD

Washington, D.C. Dulles Intl

STI

Santiago de los Caballeros

1 stop

6h 35m

STI

Santiago de los Caballeros

IAD

Washington, D.C. Dulles Intl

1 stop

17h 26m

$511

United Airlines

Pick Dates

Deal found 3/21

Mar 28 - Apr 5

IAD

Washington, D.C. Dulles Intl

STI

Santiago de los Caballeros

1 stop

6h 08m

STI

Santiago de los Caballeros

IAD

Washington, D.C. Dulles Intl

1 stop

7h 20m

$561

Delta

Pick Dates

Deal found 3/22

Apr 12 - Apr 16

IAD

Washington, D.C. Dulles Intl

STI

Santiago de los Caballeros

1 stop

7h 02m

STI

Santiago de los Caballeros

IAD

Washington, D.C. Dulles Intl

1 stop

14h 55m

$576

United Airlines

Pick Dates

Deal found 3/21

Dulles Intl to Santiago de los Caballeros 2023 flight deals

May 2 - May 9

IAD

Washington, D.C. Dulles Intl

STI

Santiago de los Caballeros

1 stop

7h 02m

STI

Santiago de los Caballeros

IAD

Washington, D.C. Dulles Intl

1 stop

9h 07m

$379

United Airlines

Pick Dates

Deal found 3/21

May 6 - May 12

IAD

Washington, D.C. Dulles Intl

STI

Santiago de los Caballeros

1 stop

18h 52m

STI

Santiago de los Caballeros

IAD

Washington, D.C. Dulles Intl

1 stop

9h 07m

$385

United Airlines

Pick Dates

Deal found 3/22

May 13 - May 27

IAD

Washington, D.C. Dulles Intl

STI

Santiago de los Caballeros

1 stop

28h 36m

STI

Santiago de los Caballeros

IAD

Washington, D.C. Dulles Intl

1 stop

20h 48m

$391

United Airlines

Pick Dates

Deal found 3/21

May 6 - May 11

IAD

Washington, D.C. Dulles Intl

STI

Santiago de los Caballeros

1 stop

7h 44m

STI

Santiago de los Caballeros

IAD

Washington, D.C. Dulles Intl

1 stop

13h 20m

$408

United Airlines

Pick Dates

Deal found 3/21

May 6 - May 11

IAD

Washington, D.C. Dulles Intl

STI

Santiago de los Caballeros

1 stop

28h 36m

STI

Santiago de los Caballeros

IAD

Washington, D.C. Dulles Intl

1 stop

13h 20m

$414

United Airlines

Pick Dates

Deal found 3/22

Apr 22 - May 7

IAD

Washington, D.C. Dulles Intl

STI

Santiago de los Caballeros

1 stop

14h 19m

STI

Santiago de los Caballeros

IAD

Washington, D.C. Dulles Intl

1 stop

14h 12m

$417

Delta

Pick Dates

Deal found 3/22

May 2 - May 9

IAD

Washington, D.C. Dulles Intl

STI

Santiago de los Caballeros

2 stops

26h 05m

STI

Santiago de los Caballeros

IAD

Washington, D.C. Dulles Intl

2 stops

19h 51m

$435

American Airlines

Pick Dates

Deal found 3/21

Jun 16 - Jun 18

IAD

Washington, D.C. Dulles Intl

STI

Santiago de los Caballeros

1 stop

19h 46m

STI

Santiago de los Caballeros

IAD

Washington, D.C. Dulles Intl

1 stop

12h 57m

$457

United Airlines

Pick Dates

Deal found 3/21

Jun 5 - Jul 5

IAD

Washington, D.C. Dulles Intl

STI

Santiago de los Caballeros

1 stop

7h 42m

STI

Santiago de los Caballeros

IAD

Washington, D.C. Dulles Intl

1 stop

15h 14m

$469

United Airlines

Pick Dates

Deal found 3/22

Cheap United Airlines flights from Dulles Intl to Santiago de los Caballeros

May 2 - May 9

IAD

Washington, D.C. Dulles Intl

STI

Santiago de los Caballeros

1 stop

7h 02m

STI

Santiago de los Caballeros

IAD

Washington, D.C. Dulles Intl

1 stop

9h 07m

$379

United Airlines

Pick Dates

Deal found 3/21

May 13 - May 27

IAD

Washington, D.C. Dulles Intl

STI

Santiago de los Caballeros

1 stop

28h 36m

STI

Santiago de los Caballeros

IAD

Washington, D.C. Dulles Intl

1 stop

20h 48m

$391

United Airlines

Pick Dates

Deal found 3/21

May 6 - May 11

IAD

Washington, D.C. Dulles Intl

STI

Santiago de los Caballeros

1 stop

7h 44m

STI

Santiago de los Caballeros

IAD

Washington, D.C. Dulles Intl

1 stop

13h 20m

$408

United Airlines

Pick Dates

Deal found 3/21

Jun 16 - Jun 18

IAD

Washington, D.C. Dulles Intl

STI

Santiago de los Caballeros

1 stop

19h 46m

STI

Santiago de los Caballeros

IAD

Washington, D.C. Dulles Intl

1 stop

12h 57m

$457

United Airlines

Pick Dates

Deal found 3/21

Jun 5 - Jul 6

IAD

Washington, D.C. Dulles Intl

STI

Santiago de los Caballeros

1 stop

13h 00m

STI

Santiago de los Caballeros

IAD

Washington, D.C. Dulles Intl

1 stop

16h 28m

$469

United Airlines

Pick Dates

Deal found 3/22

Apr 22 - May 6

IAD

Washington, D.C. Dulles Intl

STI

Santiago de los Caballeros

1 stop

28h 30m

STI

Santiago de los Caballeros

IAD

Washington, D.C. Dulles Intl

1 stop

14h 23m

$475

United Airlines

Pick Dates

Deal found 3/22

May 18 - May 21

IAD

Washington, D.C. Dulles Intl

STI

Santiago de los Caballeros

1 stop

6h 59m

STI

Santiago de los Caballeros

IAD

Washington, D.C. Dulles Intl

1 stop

27h 37m

$476

United Airlines

Pick Dates

Deal found 3/21

May 25 - May 29

IAD

Washington, D.C. Dulles Intl

STI

Santiago de los Caballeros

1 stop

6h 59m

STI

Santiago de los Caballeros

IAD

Washington, D.C. Dulles Intl

1 stop

14h 23m

$498

United Airlines

Pick Dates

Deal found 3/21

Apr 20 - Apr 23

IAD

Washington, D.C. Dulles Intl

STI

Santiago de los Caballeros

1 stop

6h 35m

STI

Santiago de los Caballeros

IAD

Washington, D.C. Dulles Intl

1 stop

11h 00m

$504

United Airlines

Pick Dates

Deal found 3/21

Cheap Delta flights from Dulles Intl to Santiago de los Caballeros

Apr 22 - May 7

IAD

Washington, D.C. Dulles Intl

STI

Santiago de los Caballeros

1 stop

14h 19m

STI

Santiago de los Caballeros

IAD

Washington, D.C. Dulles Intl

1 stop

14h 12m

$417

Delta

Pick Dates

Deal found 3/22

May 20 - Jun 11

IAD

Washington, D.C. Dulles Intl

STI

Santiago de los Caballeros

1 stop

18h 49m

STI

Santiago de los Caballeros

IAD

Washington, D.C. Dulles Intl

1 stop

10h 27m

$426

Delta

Pick Dates

Deal found 3/21

Apr 20 - Apr 27

IAD

Washington, D.C. Dulles Intl

STI

Santiago de los Caballeros

1 stop

13h 33m

STI

Santiago de los Caballeros

IAD

Washington, D.C. Dulles Intl

1 stop

17h 03m

$455

Delta

Pick Dates

Deal found 3/21

Jun 11 - Jun 27

IAD

Washington, D.C. Dulles Intl

STI

Santiago de los Caballeros

1 stop

13h 32m

STI

Santiago de los Caballeros

IAD

Washington, D.C. Dulles Intl

1 stop

13h 18m

$532

Delta

Pick Dates

Deal found 3/22

Mar 28 - Apr 5

IAD

Washington, D.C. Dulles Intl

STI

Santiago de los Caballeros

1 stop

6h 08m

STI

Santiago de los Caballeros

IAD

Washington, D.C. Dulles Intl

1 stop

7h 20m

$561

Delta

Pick Dates

Deal found 3/22

Jun 20 - Jun 27

IAD

Washington, D.C. Dulles Intl

STI

Santiago de los Caballeros

1 stop

13h 36m

STI

Santiago de los Caballeros

IAD

Washington, D.C. Dulles Intl

1 stop

13h 18m

$584

Delta

Pick Dates

Deal found 3/21

Jun 5 - Jun 24

IAD

Washington, D.C. Dulles Intl

STI

Santiago de los Caballeros

1 stop

13h 32m

STI

Santiago de los Caballeros

IAD

Washington, D.C. Dulles Intl

1 stop

13h 18m

$589

Delta

Pick Dates

Deal found 3/21

May 25 - May 30

IAD

Washington, D.C. Dulles Intl

STI

Santiago de los Caballeros

1 stop

13h 37m

STI

Santiago de los Caballeros

IAD

Washington, D.C. Dulles Intl

1 stop

14h 08m

$592

Delta

Pick Dates

Deal found 3/22

Jun 7 - Jun 17

IAD

Washington, D.C. Dulles Intl

STI

Santiago de los Caballeros

1 stop

13h 32m

STI

Santiago de los Caballeros

IAD

Washington, D.C. Dulles Intl

1 stop

10h 22m

$625

Delta

Pick Dates

Deal found 3/20

Last minute flights from Dulles Intl to Santiago de los Caballeros

Apr 1 - Apr 11

IAD

Washington, D.C. Dulles Intl

STI

Santiago de los Caballeros

1 stop

27h 29m

STI

Santiago de los Caballeros

IAD

Washington, D.C. Dulles Intl

1 stop

8h 48m

$511

United Airlines

Pick Dates

Deal found 3/22

Mar 28 - Apr 5

IAD

Washington, D.C. Dulles Intl

STI

Santiago de los Caballeros

1 stop

6h 08m

STI

Santiago de los Caballeros

IAD

Washington, D.C. Dulles Intl

1 stop

7h 20m

$561

Delta

Pick Dates

Deal found 3/22

Mar 28 - Apr 4

IAD

Washington, D.C. Dulles Intl

STI

Santiago de los Caballeros

1 stop

6h 35m

STI

Santiago de los Caballeros

IAD

Washington, D.C. Dulles Intl

1 stop

14h 55m

$612

United Airlines

Pick Dates

Deal found 3/22

Mar 30 - Apr 6

IAD

Washington, D.C. Dulles Intl

STI

Santiago de los Caballeros

1 stop

13h 14m

STI

Santiago de los Caballeros

IAD

Washington, D.C. Dulles Intl

1 stop

14h 55m

$768

United Airlines

Pick Dates

Deal found 3/21

Mar 30 - Apr 7

IAD

Washington, D.C. Dulles Intl

STI

Santiago de los Caballeros

1 stop

12h 20m

STI

Santiago de los Caballeros

IAD

Washington, D.C. Dulles Intl

1 stop

7h 20m

$909

Delta

Pick Dates

Deal found 3/21

Mar 28 - Apr 5

IAD

Washington, D.C. Dulles Intl

STI

Santiago de los Caballeros

2 stops

8h 24m

STI

Santiago de los Caballeros

IAD

Washington, D.C. Dulles Intl

2 stops

8h 38m

$1,155

American Airlines

Pick Dates

Deal found 3/22

Mar 30 - Apr 7

IAD

Washington, D.C. Dulles Intl

STI

Santiago de los Caballeros

2 stops

8h 24m

STI

Santiago de los Caballeros

IAD

Washington, D.C. Dulles Intl

2 stops

8h 38m

$1,191

American Airlines

Pick Dates

Deal found 3/21

Apr 1 - Apr 12

IAD

Washington, D.C. Dulles Intl

STI

Santiago de los Caballeros

2 stops

23h 09m

STI

Santiago de los Caballeros

IAD

Washington, D.C. Dulles Intl

2 stops

19h 59m

$1,230

American Airlines

Pick Dates

Deal found 3/22

Apr 1 - Apr 12

IAD

Washington, D.C. Dulles Intl

STI

Santiago de los Caballeros

2 stops

8h 24m

STI

Santiago de los Caballeros

IAD

Washington, D.C. Dulles Intl

3 stops

19h 59m

$4,302

American Airlines

Pick Dates

Deal found 3/22

One-way flights to Santiago de los Caballeros from Dulles Intl

May 1

IAD

Washington, D.C. Dulles Intl

STI

Santiago de los Caballeros

1 stop

6h 35m

$178

United Airlines

Pick Dates

Deal found 3/20

May 1

IAD

Washington, D.C. Dulles Intl

STI

Santiago de los Caballeros

2 stops

17h 50m

$180

American Airlines

Pick Dates

Deal found 3/20

May 8

IAD

Washington, D.C. Dulles Intl

STI

Santiago de los Caballeros

2 stops

42h 29m

$244

American Airlines

Pick Dates

Deal found 3/21

May 18

IAD

Washington, D.C. Dulles Intl

STI

Santiago de los Caballeros

3 stops

36h 39m

$258

Multiple Airlines

Pick Dates

Deal found 3/21

May 1

IAD

Washington, D.C. Dulles Intl

STI

Santiago de los Caballeros

3 stops

12h 40m

$260

Multiple Airlines

Pick Dates

Deal found 3/20

May 18

IAD

Washington, D.C. Dulles Intl

STI

Santiago de los Caballeros

2 stops

11h 00m

$265

Multiple Airlines

Pick Dates

Deal found 3/21

Jun 15

IAD

Washington, D.C. Dulles Intl

STI

Santiago de los Caballeros

1 stop

13h 00m

$268

United Airlines

Pick Dates

Deal found 3/21

Jun 15

IAD

Washington, D.C. Dulles Intl

STI

Santiago de los Caballeros

2 stops

15h 09m

$367

American Airlines

Pick Dates

Deal found 3/22

Jun 15

IAD

Washington, D.C. Dulles Intl

STI

Santiago de los Caballeros

2 stops

11h 06m

$441

American Airlines

Pick Dates

Deal found 3/21

Find flights from Dulles Intl to Santiago de los Caballeros within your budget

Fly from

Fly to

Budget

$379 - $626

Route

Depart

Return

Price

Washington, D.C. Dulles IntlSantiago de los Caballeros

IAD - STI

IADSTI

Washington, D.C. Dulles Intl

2023-05-02

1 stop7h 02m

Santiago de los Caballeros

2023-05-09

1 stop9h 07m

$379

Pick Dates

Washington, D.C. Dulles IntlSantiago de los Caballeros

IAD - STI

IADSTI

Washington, D.C. Dulles Intl

2023-05-13

1 stop28h 36m

Santiago de los Caballeros

2023-05-27

1 stop20h 48m

$391

Pick Dates

Washington, D.C. Dulles IntlSantiago de los Caballeros

IAD - STI

IADSTI

Washington, D.C. Dulles Intl

2023-05-06

1 stop7h 44m

Santiago de los Caballeros

2023-05-11

1 stop13h 20m

$408

Pick Dates

Washington, D.C. Dulles IntlSantiago de los Caballeros

IAD - STI

IADSTI

Washington, D.C. Dulles Intl

2023-04-22

1 stop14h 19m

Santiago de los Caballeros

2023-05-07

1 stop14h 12m

$417

Pick Dates

Washington, D.C. Dulles IntlSantiago de los Caballeros

IAD - STI

IADSTI

Washington, D.C. Dulles Intl

2023-05-20

1 stop18h 49m

Santiago de los Caballeros

2023-06-11

1 stop10h 27m

$426

Pick Dates

Washington, D.C. Dulles IntlSantiago de los Caballeros

IAD - STI

IADSTI

Washington, D.C. Dulles Intl

2023-05-02

2 stops26h 05m

Santiago de los Caballeros

2023-05-09

2 stops19h 51m

$435

Pick Dates

Washington, D.C. Dulles IntlSantiago de los Caballeros

IAD - STI

IADSTI

Washington, D.C. Dulles Intl

2023-04-20

1 stop13h 33m

Santiago de los Caballeros

2023-04-27

1 stop17h 03m

$455

Pick Dates

Washington, D.C. Dulles IntlSantiago de los Caballeros

IAD - STI

IADSTI

Washington, D.C. Dulles Intl

2023-06-16

1 stop19h 46m

Santiago de los Caballeros

2023-06-18

1 stop12h 57m

$457

Pick Dates

Washington, D.C. Dulles IntlSantiago de los Caballeros

IAD - STI

IADSTI

Washington, D.C. Dulles Intl

2023-04-06

3 stops27h 25m

Santiago de los Caballeros

2023-04-12

3 stops18h 51m

$626

Pick Dates

Flights are sorted by cheapest first

Deals found on 3/21

Reviews of Airlines Servicing Santiago de los Caballeros

Delta

8.0

Very good

2,333 reviews

Check prices

Reviews

1 / 10

Required gate checking of bags because they were running out of room, but when I got on the plane there were room for at least half a dozen bags just in the overhead bins I could see from my seat and they were never filled. Entertainment system was good and the in flight wifi was a nice touch.

Delta

8.0

Very good

2,333 reviews

Delta

8.0

Very good

2,333 reviews

Check prices

Reviews

1 / 10

Required gate checking of bags because they were running out of room, but when I got on the plane there were room for at least half a dozen bags just in the overhead bins I could see from my seat and they were never filled. Entertainment system was good and the in flight wifi was a nice touch.

United Airlines

7.6

Good

1,427 reviews

Delta

8.0

Very good

2,333 reviews

Check prices

Reviews

1 / 10

Required gate checking of bags because they were running out of room, but when I got on the plane there were room for at least half a dozen bags just in the overhead bins I could see from my seat and they were never filled. Entertainment system was good and the in flight wifi was a nice touch.

American Airlines

7.4

Good

1,741 reviews

Delta

8.0

Very good

2,333 reviews

Check prices

Reviews

1 / 10

Required gate checking of bags because they were running out of room, but when I got on the plane there were room for at least half a dozen bags just in the overhead bins I could see from my seat and they were never filled. Entertainment system was good and the in flight wifi was a nice touch.

Spirit Airlines

6.8

Okay

762 reviews

Delta

8.0

Very good

2,333 reviews

Check prices

Reviews

1 / 10

Required gate checking of bags because they were running out of room, but when I got on the plane there were room for at least half a dozen bags just in the overhead bins I could see from my seat and they were never filled. Entertainment system was good and the in flight wifi was a nice touch.

Related info for your journey

For a flight from Washington, D.C. Dulles Intl to Santiago de los Caballeros, you will be flying into Santiago. Santiago de los Caballeros (STI) is just 6.8 mi from the center of the city. Santiago is the only Santiago de los Caballeros airport and it handles 0 inbound flights from Washington, D.C. Dulles Intl per day. 2 airlines have flights to Santiago de los Caballeros from Washington, D.C. Dulles Intl on a regular basis.

Alternative routes for Dulles Intl to Santiago de los Caballeros

Reagan-National to Punta Canafrom $347 pp

Reagan-National to Santo Domingofrom $409 pp

Reagan-National to Santiago de los Caballerosfrom $420 pp

Dulles Intl to Punta Canafrom $492 pp

Top 2 airlines flying from Dulles Intl to Santiago de los Caballeros

Airline	Cheapest	Average	Flexibility	On-time	COVID-19 safety
United Airlines	Cheapest$359	Average$553	FlexibilityNo cancel fee	On-time69%	COVID-19 safety	Search United Airlines flights
Delta	Cheapest$431	Average$590	FlexibilityNo cancel fee	On-timeN/A	COVID-19 safety	Search Delta flights

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Cheap flights from Dulles Intl (IAD) to Santiago de los Caballeros (STI) from $178

How to find the cheapest flight from Dulles Intl (IAD) to Santiago de los Caballeros (STI)

All the information you need to plan the best IAD to STI flight in 2023: compare Dulles Intl to Santiago de los Caballeros flight prices with the expected peak season, weather and rainfall in Santiago de los Caballeros.

How far in advance should I book a flight from Washington, D.C. Dulles Intl Airport to Santiago de los Caballeros?

What is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Santiago de los Caballeros?

When is the cheapest time to fly from Washington, D.C. Dulles Intl Airport to Santiago de los Caballeros (IAD - STI)?

Cheap flights from Dulles Intl to Santiago de los Caballeros in March, April 2023

The best prices found for IAD to STI flights for March, April

Dulles Intl to Santiago de los Caballeros 2023 flight deals

Cheap flights to Santiago de los Caballeros from Dulles Intl found for this year

Cheap United Airlines flights from Dulles Intl to Santiago de los Caballeros

Cheap Delta flights from Dulles Intl to Santiago de los Caballeros

Last minute flights from Dulles Intl to Santiago de los Caballeros

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One-way flights to Santiago de los Caballeros from Dulles Intl

The cheapest one-way flights from Dulles Intl to Santiago de los Caballeros

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Reviews of Airlines Servicing Santiago de los Caballeros

Related info for your journey

Useful info, stats and facts about Dulles Intl to Santiago de los Caballeros flights.

What airport do you fly into for flights to Santiago de los Caballeros from Washington, D.C. Dulles Intl?

Which airlines flying from Washington, D.C. Dulles Intl to Santiago de los Caballeros have flexible cancellations due to COVID-19?

Can I find flights from Washington, D.C. Dulles Intl Airport to Santiago de los Caballeros for under $400 on Cheapflights?

Are there last-minute flights available from Washington, D.C. Dulles Intl Airport to Santiago de los Caballeros for under $600?

What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Santiago de los Caballeros round-trip?

What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Santiago de los Caballeros one-way?

What are the cheapest flights from Washington, D.C. Dulles Intl Airport to Santiago de los Caballeros?

What does IAD to STI mean?

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Flights to Santiago de los Caballeros from Dulles Intl

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Alternative routes for Dulles Intl to Santiago de los Caballeros

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Top 2 airlines flying from Dulles Intl to Santiago de los Caballeros

The chart below displays the airlines Cheapflights users traveling from Dulles Intl to Santiago de los Caballeros choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.

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