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

For one-way options, check prices for Frontier. According to our data, you can fly for as low as $152. Users have also found prices from $191 and $248 on Spirit Airlines and JetBlue, respectively.

What are the most popular routes from Washington, D.C. to Santiago de los Caballeros?

Most travelers choose Baltimore/Washington - Santiago de los Caballeros, Washington, D.C. Dulles Intl - Santiago de los Caballeros or Washington, D.C. Reagan-National - Santiago de los Caballeros when deciding on the best route from Washington, D.C. to Santiago de los Caballeros.

What are the most popular airlines that fly from Washington, D.C. to Santiago de los Caballeros?

Before booking your flight from Washington, D.C. to Santiago de los Caballeros check out the most popular airlines for this route: American Airlines, Delta or Spirit Airlines.

What is the cheapest day to fly round-trip from Washington, D.C. to Santiago de los Caballeros?

Departing on a Saturday is a good option for securing a great price. You can expect to save up to 29% when planning your travel around this day of the week.

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

September is one of the best times of the year to fly to Santiago de los Caballeros from Washington, D.C.. Prices for September average $594 per person but you can even find prices for as low as $300. The most expensive prices can be found in the month of December. Opting for a September flight can save you 58% on your journey compared to booking in December

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

Santiago de los Caballeros (STI) is the airport you will fly into if you book a flight from Washington, D.C. to Santiago de los Caballeros. You should not have trouble finding flights to Santiago from Washington, D.C.; the airport handles an average of 0 inbound flights from Washington, D.C. per day. You should also have plenty of airline options to choose from since 5 airlines have flights to the Santiago de los Caballeros airport from Washington, D.C.. It is only a 6.8 mi journey from Santiago (STI) to Santiago de los Caballeros’s city center.

How can I find direct flights from Washington, D.C. to Santiago de los Caballeros?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Santiago de los Caballeros.

Can I find deals for business class flights from Washington, D.C. to Santiago de los Caballeros?

Yes. Cheapflights offers flight deals from Washington, D.C. to Santiago de los Caballeros by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$152+ Flights from Washington, D.C. to Santiago de los Caballeros

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1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Washington, D.C. to Santiago de los Caballeros are usually found in September or January, booked 22 days in advance, depart on a Sunday or Tuesday and return on a Tuesday

Cheap flight deals from Washington, D.C. to Santiago de los Caballeros

Round-trip from	$318 (SmartFares)
One-way from	$152 (SmartFares)
Popular in	December
Cheapest in	September
Average price	$693

From Washington, D.C. (WAS) to Santiago de los Caballeros

Search Deals

One-way flight from Washington, D.C. (WAS) to Santiago de los Caballeros

Search Deals

Highest demand for flights based on searches. 8% potential increase in price ($56 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease ($32 potential savings vs. average RT price).

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Average for round-trip flights in June 2025

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Find flight deals from Washington, D.C. to Santiago de los Caballeros

Cheapest flights from Washington, D.C. to Santiago de los Caballeros
Explore the most affordable flight options available from Washington, D.C. to Santiago de los Caballeros. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

Tue 7/88:38 pmBWI - STI

1 stop13h 12mSpirit Airlines

Tue 7/1510:55 amSTI - BWI

1 stop12h 39mSpirit Airlines

Deal found 6/10

$318

Sun 7/2712:24 pmIAD - STI

1 stop24h 27mFrontier

Wed 8/62:10 pmSTI - IAD

1 stop21h 19mFrontier

Deal found 6/11

$373

Wed 10/296:59 amDCA - STI

1 stop12h 15mJetBlue

Wed 11/198:20 amSTI - DCA

1 stop9h 22mJetBlue

Deal found 6/10

$417

Fri 8/151:22 pmIAD - STI

2 stops19h 53mMultiple Airlines

Sun 8/2410:20 amSTI - IAD

2 stops29h 03mMultiple Airlines

Deal found 6/11

$425

Mon 8/118:07 pmDCA - STI

1 stop16h 24mAmerican Airlines

Thu 8/217:00 amSTI - DCA

1 stop13h 26mAmerican Airlines

Deal found 6/11

$465

Thu 9/186:20 amIAD - STI

1 stop8h 52mUnited Airlines

Tue 9/232:07 pmSTI - IAD

1 stop8h 22mUnited Airlines

Deal found 6/10

$465

Mon 8/114:36 pmIAD - STI

2 stops19h 55mAmerican Airlines

Thu 8/217:00 amSTI - IAD

2 stops16h 59mAmerican Airlines

Deal found 6/11

$469

Fri 9/195:10 pmIAD - STI

1 stop8h 03mDelta

Fri 9/266:20 amSTI - IAD

1 stop10h 11mDelta

Deal found 6/10

$485

Sun 10/1910:53 amBWI - STI

2 stops25h 24mAmerican Airlines

Wed 11/54:36 pmSTI - BWI

2 stops24h 17mAmerican Airlines

Deal found 6/10

$489

Fri 6/207:30 pmDCA - STI

1 stop6h 16mUnited Airlines

Sun 6/226:00 amSTI - DCA

1 stop8h 52mUnited Airlines

Deal found 6/11

$1,050

Best flights from Washington, D.C. to Santiago de los Caballeros
Discover carefully curated flight deals from Washington, D.C. to Santiago de los Caballeros that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 12, 2025.

Tue 7/88:38 pmBWI - STI

1 stop13h 12mSpirit Airlines

Tue 7/1510:55 amSTI - BWI

1 stop12h 39mSpirit Airlines

Deal found 6/10

$318

Sun 7/2712:24 pmIAD - STI

1 stop24h 27mFrontier

Wed 8/62:10 pmSTI - IAD

1 stop21h 19mFrontier

Deal found 6/11

$373

Fri 8/151:22 pmIAD - STI

2 stops19h 53mMultiple Airlines

Sun 8/2410:20 amSTI - IAD

2 stops29h 03mMultiple Airlines

Deal found 6/11

$425

Tue 7/2911:45 amDCA - STI

1 stop10h 24mJetBlue

Thu 8/2810:10 amSTI - DCA

1 stop10h 49mJetBlue

Deal found 6/9

$428

Mon 8/118:07 pmDCA - STI

1 stop16h 24mAmerican Airlines

Thu 8/217:00 amSTI - DCA

1 stop13h 26mAmerican Airlines

Deal found 6/11

$465

Thu 9/186:20 amIAD - STI

1 stop6h 37mUnited Airlines

Tue 9/232:07 pmSTI - IAD

1 stop8h 22mUnited Airlines

Deal found 6/10

$465

Fri 9/195:10 pmIAD - STI

1 stop8h 03mDelta

Fri 9/266:20 amSTI - IAD

1 stop10h 11mDelta

Deal found 6/10

$485

Mon 8/114:36 pmIAD - STI

2 stops19h 55mAmerican Airlines

Thu 8/217:00 amSTI - IAD

2 stops16h 59mAmerican Airlines

Deal found 6/11

$469

Mon 8/46:48 amBWI - STI

1 stop6h 03mMultiple Airlines

Mon 8/112:06 pmSTI - BWI

1 stop15h 14mMultiple Airlines

Deal found 6/11

$487

Sat 8/97:00 pmBWI - STI

1 stop25h 48mAmerican Airlines

Mon 8/187:00 amSTI - BWI

2 stops13h 20mAmerican Airlines

Deal found 6/11

$574

Fri 6/207:30 pmDCA - STI

1 stop6h 16mUnited Airlines

Sun 6/226:00 amSTI - DCA

1 stop8h 52mUnited Airlines

Deal found 6/11

$1,050

Thu 6/194:56 pmDCA - STI

1 stop7h 46mDelta

Sun 6/222:34 pmSTI - DCA

1 stop8h 59mDelta

Deal found 6/11

$1,235

Last-minute flights from Washington, D.C. to Santiago de los Caballeros
Discover last-minute flight deals from Washington, D.C. to Santiago de los Caballeros. Data last updated June 12, 2025 and is based on user searches.

Thu 6/126:44 amBWI - STI

2 stops14h 21mAmerican Airlines

Sat 6/141:40 pmSTI - BWI

1 stop10h 18mAmerican Airlines

Deal found 6/10

$508

Fri 6/135:00 amDCA - STI

1 stop16h 05mAmerican Airlines

Wed 6/257:05 amSTI - DCA

1 stop7h 44mAmerican Airlines

Deal found 6/10

$545

Tue 6/178:38 pmBWI - STI

1 stop13h 51mSpirit Airlines

Tue 6/2411:29 amSTI - BWI

1 stop11h 28mSpirit Airlines

Deal found 6/11

$605

Tue 6/173:20 pmDCA - STI

1 stop5h 45mAmerican Airlines

Tue 6/247:05 amSTI - DCA

1 stop15h 10mAmerican Airlines

Deal found 6/11

$625

Tue 6/178:19 amBWI - STI

2 stops12h 46mAmerican Airlines

Tue 6/247:05 amSTI - BWI

2 stops11h 17mAmerican Airlines

Deal found 6/11

$632

Tue 6/178:25 amBWI - STI

3 stops26h 04mMultiple Airlines

Sun 6/2211:29 amSTI - BWI

3 stops28h 17mMultiple Airlines

Deal found 6/11

$1,116

Wed 6/186:30 amDCA - STI

1 stop13h 04mJetBlue

Fri 7/47:40 amSTI - DCA

1 stop9h 16mJetBlue

Deal found 6/11

$607

Wed 6/189:00 amIAD - STI

1 stop6h 12mUnited Airlines

Fri 7/42:07 pmSTI - IAD

1 stop8h 20mUnited Airlines

Deal found 6/11

$912

Thu 6/1912:23 pmIAD - STI

1 stop24h 27mFrontier

Mon 6/232:10 pmSTI - IAD

1 stop21h 43mFrontier

Deal found 6/11

$393

Thu 6/194:56 pmDCA - STI

1 stop7h 46mDelta

Sun 6/222:34 pmSTI - DCA

1 stop8h 59mDelta

Deal found 6/11

$1,235

Fri 6/207:30 pmDCA - STI

1 stop6h 16mUnited Airlines

Sun 6/226:00 amSTI - DCA

1 stop8h 52mUnited Airlines

Deal found 6/11

$1,050

Fri 6/2012:13 pmIAD - STI

1 stop7h 14mDelta

Mon 6/238:53 pmSTI - IAD

1 stop15h 06mDelta

Deal found 6/11

$1,228

One-way flights from Washington, D.C. to Santiago de los Caballeros
Search for one-way flight options from Washington, D.C. to Santiago de los Caballeros. Find affordable one-way fares based on user searches. Data last updated June 12, 2025.

Tue 7/112:48 pmIAD - STI

1 stop24h 02mFrontier

Deal found 6/11

$152

Mon 8/41:20 pmBWI - STI

1 stop20h 30mSpirit Airlines

Deal found 6/11

$191

Sun 6/296:50 amBWI - STI

2 stops30h 00mMultiple Airlines

Deal found 6/10

$203

Tue 7/12:59 pmBWI - STI

2 stops21h 51mFrontier

Deal found 6/12

$204

Tue 7/111:45 amDCA - STI

1 stop10h 24mJetBlue

Deal found 6/10

$248

Fri 6/274:54 pmIAD - STI

3 stops41h 35mMultiple Airlines

Deal found 6/10

$277

Tue 6/248:45 amDCA - STI

1 stop10h 42mDelta

Deal found 6/11

$296

Thu 6/265:00 amBWI - STI

2 stops31h 29mAmerican Airlines

Deal found 6/11

$310

Fri 6/271:44 pmDCA - STI

1 stop7h 21mAmerican Airlines

Deal found 6/11

$346

Thu 6/261:08 pmIAD - STI

2 stops31h 57mAmerican Airlines

Deal found 6/11

$368

Tue 6/2412:13 pmIAD - STI

1 stop7h 14mDelta

Deal found 6/11

$404

Sun 7/2711:00 amDCA - STI

2 stops22h 50mMultiple Airlines

Deal found 6/11

$470

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. to Santiago de los Caballeros that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BaltimoreSantiago de los Caballeros

BWI - STI

BWISTI

Baltimore/Washington

Tue 7/8

8:38 pm-9:50 am

1 stop13h 12m

Santiago de los Caballeros

Tue 7/15

10:55 am-11:34 pm

1 stop12h 39m

$318

Washington, D.C.Santiago de los Caballeros

IAD - STI

IADSTI

Washington, D.C. Dulles Intl

Sun 7/27

12:24 pm-12:51 pm

1 stop24h 27m

Santiago de los Caballeros

Wed 8/6

2:10 pm-11:29 am

1 stop21h 19m

$373

Washington, D.C.Santiago de los Caballeros

DCA - STI

DCASTI

Washington, D.C. Reagan-National

Wed 10/29

6:59 am-7:14 pm

1 stop12h 15m

Santiago de los Caballeros

Wed 11/19

8:20 am-4:42 pm

1 stop9h 22m

$417

Washington, D.C.Santiago de los Caballeros

IAD - STI

IADSTI

Washington, D.C. Dulles Intl

Fri 8/15

1:22 pm-9:15 am

2 stops19h 53m

Santiago de los Caballeros

Sun 8/24

10:20 am-3:23 pm

2 stops29h 03m

$425

Washington, D.C.Santiago de los Caballeros

DCA - STI

DCASTI

Washington, D.C. Reagan-National

Mon 8/11

8:07 pm-12:31 pm

1 stop16h 24m

Santiago de los Caballeros

Thu 8/21

7:00 am-8:26 pm

1 stop13h 26m

$465

Washington, D.C.Santiago de los Caballeros

IAD - STI

IADSTI

Washington, D.C. Dulles Intl

Thu 9/18

6:20 am-3:12 pm

1 stop8h 52m

Santiago de los Caballeros

Tue 9/23

2:07 pm-10:29 pm

1 stop8h 22m

$465

Washington, D.C.Santiago de los Caballeros

IAD - STI

IADSTI

Washington, D.C. Dulles Intl

Mon 8/11

4:36 pm-12:31 pm

2 stops19h 55m

Santiago de los Caballeros

Thu 8/21

7:00 am-11:59 pm

2 stops16h 59m

$469

Washington, D.C.Santiago de los Caballeros

IAD - STI

IADSTI

Washington, D.C. Dulles Intl

Fri 9/19

5:10 pm-1:13 am

1 stop8h 03m

Santiago de los Caballeros

Fri 9/26

6:20 am-4:31 pm

1 stop10h 11m

$485

BaltimoreSantiago de los Caballeros

BWI - STI

BWISTI

Baltimore/Washington

Mon 8/4

6:48 am-12:51 pm

1 stop6h 03m

Santiago de los Caballeros

Mon 8/11

2:06 pm-5:20 am

1 stop15h 14m

$487

BaltimoreSantiago de los Caballeros

BWI - STI

BWISTI

Baltimore/Washington

Sat 8/9

7:00 pm-8:48 pm

1 stop25h 48m

Santiago de los Caballeros

Mon 8/18

7:00 am-8:20 pm

2 stops13h 20m

$574

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 24 results

Best time to book a flight from Washington, D.C. to Santiago de los Caballeros

Have a flexible travel schedule? Discover the best time to fly to Santiago de los Caballeros from Washington, D.C. with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. to Santiago de los Caballeros

How far ahead should I book a flight from Washington, D.C. to Santiago de los Caballeros?

Booking 22 days in advance of your planned departure date is, on average, the best time to get cheap flights from Washington, D.C. to Santiago de los Caballeros. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Washington, D.C. to Santiago de los Caballeros?

Currently, May is the cheapest month in which you can book a flight from Washington, D.C. to Santiago de los Caballeros (average of $347). Flying from Washington, D.C. to Santiago de los Caballeros in July is currently the most expensive (average of $630). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from WAS to STI?

A simple way to save on the total cost of your ticket is to fly from Washington, D.C. to Santiago de los Caballeros in the morning. If you’re flexible enough to do this you can expect to save up to 21% on your trip compared to booking a flight at noon.

What is the cheapest day to fly from Washington, D.C. to Santiago de los Caballeros?

Travelers seeking maximum savings on their Washington, D.C. to Santiago de los Caballeros flight should consider departing on Thursday afternoons when fares are most often at their lowest. Wednesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Santiago de los Caballeros by month

In terms of precipitation, rainfall in Santiago de los Caballeros ranges from 3.0 - 11.6 inches per month. December is typically the wettest month, when rainfall can reach 11.6 in. July is typically the driest time to visit Santiago de los Caballeros when rainfall is around 3.0 in.

Temperature in Santiago de los Caballeros by month

If weather is an important factor for your trip to Santiago de los Caballeros, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 73.4 F).

Reviews of airlines servicing Santiago de los Caballeros

Peruse reviews from past customers who have flown with Delta, United Airlines and JetBlue from Washington, D.C. to Santiago de los Caballeros to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,946 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,946 reviews

Delta

8.0

Very good

7,946 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

United Airlines

7.4

Good

8,790 reviews

Delta

8.0

Very good

7,946 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

JetBlue

7.3

Good

2,925 reviews

Delta

8.0

Very good

7,946 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,946 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Spirit Airlines

6.3

Okay

8,052 reviews

Delta

8.0

Very good

7,946 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

What airport do you fly into for flights to Santiago de los Caballeros from Washington, D.C.?
Santiago de los Caballeros (STI) is the airport you will fly into if you book a flight from Washington, D.C. to Santiago de los Caballeros. You should not have trouble finding flights to Santiago from Washington, D.C.; the airport handles an average of 0 inbound flights from Washington, D.C. per day. You should also have plenty of airline options to choose from since 5 airlines have flights to the Santiago de los Caballeros airport from Washington, D.C.. It is only a 6.8 mi journey from Santiago (STI) to Santiago de los Caballeros’s city center.
What are the cheapest airlines flying from Washington, D.C. to Santiago de los Caballeros round-trip?
According to our current data, Spirit Airlines ($318), Frontier ($373), and JetBlue ($428) offers the cheapest pricing from Washington, D.C. to Santiago de los Caballeros. Spirit Airlines is priced at 46% 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. to Santiago de los Caballeros one-way?
For one-way options, check prices for Frontier. According to our data, you can fly for as low as $152. Users have also found prices from $191 and $248 on Spirit Airlines and JetBlue, respectively.
What are the most popular routes from Washington, D.C. to Santiago de los Caballeros?
Most travelers choose Baltimore/Washington - Santiago de los Caballeros, Washington, D.C. Dulles Intl - Santiago de los Caballeros or Washington, D.C. Reagan-National - Santiago de los Caballeros when deciding on the best route from Washington, D.C. to Santiago de los Caballeros.
Can I find deals for flights from Washington, D.C. to Santiago de los Caballeros that include hotel bookings?
Yes. In addition to deals on Washington, D.C. to Santiago de los Caballeros flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Washington, D.C. to Santiago de los Caballeros?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Santiago de los Caballeros.
Can I find deals for business class flights from Washington, D.C. to Santiago de los Caballeros?
Yes. Cheapflights offers flight deals from Washington, D.C. to Santiago de los Caballeros by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Washington, D.C. to Santiago de los Caballeros?
Currently, May is the cheapest month in which you can book a flight from Washington, D.C. to Santiago de los Caballeros (average of $347). Flying from Washington, D.C. to Santiago de los Caballeros in July is currently the most expensive (average of $630). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Top 5 airlines flying from Washington, D.C. to Santiago de los Caballeros

Airline	Cheapest	Average	Flexibility	On-time
Spirit Airlines	Cheapest$299	Average$490	FlexibilityNo cancel fee	On-time65%
JetBlue	Cheapest$394	Average$571	FlexibilityNo cancel fee	On-time62%
Delta	Cheapest$402	Average$511	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$435	Average$723	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$443	Average$669	FlexibilityNo cancel fee	On-time71%

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$152+ Cheap flights from Washington, D.C. (WAS) to Santiago de los Caballeros (STI)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/1. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Washington, D.C. to Santiago de los Caballeros with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Washington, D.C. to Santiago de los Caballeros are usually found in September or January, booked 22 days in advance, depart on a Sunday or Tuesday and return on a Tuesday

Cheap flight deals from Washington, D.C. to Santiago de los Caballeros

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Washington, D.C. to Santiago de los Caballeros

Cheapest flights from Washington, D.C. to Santiago de los CaballerosExplore the most affordable flight options available from Washington, D.C. to Santiago de los Caballeros. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

Explore the most affordable flight options available from Washington, D.C. to Santiago de los Caballeros. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. to Santiago de los Caballeros that are best for you.

Best time to book a flight from Washington, D.C. to Santiago de los Caballeros

Have a flexible travel schedule? Discover the best time to fly to Santiago de los Caballeros from Washington, D.C. with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. to Santiago de los Caballeros

How far ahead should I book a flight from Washington, D.C. to Santiago de los Caballeros?

Use this chart to determine the optimal time to book a round-trip flight from Washington, D.C. to Santiago de los Caballeros. Price data was last updated on June 9, 2025.

What is the cheapest month to book a flight from Washington, D.C. to Santiago de los Caballeros?

What is the cheapest time of day to fly from WAS to STI?

Find hourly flight availability from Washington, D.C. to Santiago de los Caballeros. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

What is the cheapest day to fly from Washington, D.C. to Santiago de los Caballeros?

Use this chart to determine the cheapest time to fly round-trip from Washington, D.C. to Santiago de los Caballeros. Price data was last updated on December 16, 2024.

Rainfall in Santiago de los Caballeros by month

Plan your trip to Santiago de los Caballeros by taking into account the average rainfall totals by month.

Temperature in Santiago de los Caballeros by month

Plan your trip to Santiago de los Caballeros by taking into account the average temperature totals by month.

Reviews of airlines servicing Santiago de los Caballeros

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. to Santiago de los Caballeros. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

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

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

What are the most popular routes from Washington, D.C. to Santiago de los Caballeros?

Can I find deals for flights from Washington, D.C. to Santiago de los Caballeros that include hotel bookings?

How can I find direct flights from Washington, D.C. to Santiago de los Caballeros?

Can I find deals for business class flights from Washington, D.C. to Santiago de los Caballeros?

What is the cheapest month to book a flight from Washington, D.C. to Santiago de los Caballeros?

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Alternative routes for Washington, D.C. to Santiago de los Caballeros

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Top 5 airlines flying from Washington, D.C. to Santiago de los Caballeros

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Cheapest flights from Washington, D.C. to Santiago de los Caballeros
Explore the most affordable flight options available from Washington, D.C. to Santiago de los Caballeros. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.