What is the cheapest airline that flies from Santiago de los Caballeros to Washington, D.C.?

Spirit Airlines and JetBlue are the most popular carriers operating from Santiago de los Caballeros to Washington, D.C.

What airlines fly to Washington, D.C.?

Spirit Airlines, JetBlue and American Airlines are the top three most popular airlines that fly to Washington, D.C. from Santiago de los Caballeros according to our data. Spirit Airlines is the first choice among our users, with 35% of people opting to fly with this airline when traveling to Washington, D.C.. Keep in mind that there are 5 different airlines that fly to Washington, D.C. on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Santiago de los Caballeros Airport to Washington, D.C.?

Prices for flights from Santiago de los Caballeros Airport to Washington, D.C. were last updated today.

How many operators does momondo search for flights from Santiago de los Caballeros Airport to Washington, D.C.?

As of April 2026, there are 3 operators available to choose from for flights from Santiago de los Caballeros Airport to Washington, D.C..

How old do you have to be to fly from Santiago de los Caballeros Airport to Washington, D.C.?

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 Santiago de los Caballeros Airport to Washington, D.C..

What documentation or ID do you need to fly to Washington, D.C.?

The necessary travel and health documents for your Washington, D.C. trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$177 Cheap Flights from Santiago de los Caballeros to Washington, D.C. in 2026

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Santiago de los Caballeros to Washington, D.C.

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:15 pm - 11:29 pm

STI

BWI

7h 14m

1 stop

6:30 am - 3:20 pm

BWI

STI

8h 50m

1 stop

$491Spirit Airlines

Mon, May 18 - Mon, May 25

4:15 pm - 10:57 pm

STI

BWI

30h 42m

2 stops

6:30 am - 3:20 pm

BWI

STI

8h 50m

1 stop

$523Multiple Airlines

Mon, May 18 - Mon, May 25

7:31 am - 2:38 pm

STI

DCA

7h 07m

1 stop

11:15 am - 6:11 pm

DCA

STI

6h 56m

1 stop

$543JetBlue

Wed, May 20 - Wed, May 27

8:57 am - 9:10 am

STI

DCA

24h 13m

1 stop

7:00 am - 1:35 pm

DCA

STI

6h 35m

1 stop

$549JetBlue

Tue, May 12 - Tue, Sep 22

7:31 am - 2:38 pm

STI

DCA

7h 07m

1 stop

7:00 am - 1:35 pm

DCA

STI

6h 35m

1 stop

$550JetBlue

Wed, May 13 - Wed, Sep 9

1:29 pm - 11:04 pm

STI

DCA

9h 35m

1 stop

11:00 am - 7:06 pm

DCA

STI

8h 06m

1 stop

$582Delta

Tue, Oct 20 - Tue, Oct 27

8:59 pm - 12:18 pm

STI

IAD

15h 19m

1 stop

1:32 pm - 12:59 am

IAD

STI

11h 27m

1 stop

$582Delta

Wed, May 20 - Wed, May 27

3:59 pm - 4:21 am

STI

IAD

12h 22m

1 stop

2:21 am - 2:50 pm

IAD

STI

12h 29m

1 stop

$584Copa Airlines

Mon, May 18 - Sun, May 24

2:07 pm - 10:59 pm

STI

IAD

8h 52m

1 stop

6:00 am - 1:53 pm

IAD

STI

7h 53m

1 stop

$597United Airlines

Tue, Oct 20 - Wed, Oct 28

4:01 pm - 4:21 am

STI

IAD

12h 20m

1 stop

2:22 am - 2:59 pm

IAD

STI

12h 37m

1 stop

$619Copa Airlines

Mon, Jul 6 - Sun, Jul 19

Copa Airlines flights from Santiago de los Caballeros to Washington, D.C.

Our best Copa Airlines deals on Santiago de los Caballeros to Washington, D.C. flight tickets

Copa Airlines

May 18

STI3:59 pmSantiago de los Caballeros

12h 22m

1 stop

IAD4:21 amWashington, D.C. Dulles Intl

May 24

IAD2:21 amWashington, D.C. Dulles Intl

12h 29m

1 stop

STI2:50 pmSantiago de los Caballeros

$584

Copa Airlines

Jul 6

STI4:01 pmSantiago de los Caballeros

12h 20m

1 stop

IAD4:21 amWashington, D.C. Dulles Intl

Jul 19

IAD2:22 amWashington, D.C. Dulles Intl

12h 37m

1 stop

STI2:59 pmSantiago de los Caballeros

$619

Copa Airlines

Jul 6

STI4:01 pmSantiago de los Caballeros

12h 20m

1 stop

IAD4:21 amWashington, D.C. Dulles Intl

Jul 19

IAD2:22 amWashington, D.C. Dulles Intl

12h 37m

1 stop

STI2:59 pmSantiago de los Caballeros

$767

United Airlines flights from Santiago de los Caballeros to Washington, D.C.

Our best United Airlines deals on Santiago de los Caballeros to Washington, D.C. flight tickets

United Airlines

Oct 20

STI2:07 pmSantiago de los Caballeros

8h 52m

1 stop

IAD10:59 pmWashington, D.C. Dulles Intl

Oct 28

IAD6:00 amWashington, D.C. Dulles Intl

7h 53m

1 stop

STI1:53 pmSantiago de los Caballeros

$597

United Airlines

May 13

STI6:00 amSantiago de los Caballeros

9h 24m

1 stop

DCA3:24 pmWashington, D.C. Reagan-National

Sep 9

DCA6:00 amWashington, D.C. Reagan-National

6h 57m

1 stop

STI12:57 pmSantiago de los Caballeros

$649

United Airlines

May 20

STI6:00 amSantiago de los Caballeros

13h 02m

2 stops

BWI7:02 pmBaltimore/Washington

May 27

BWI10:44 amBaltimore/Washington

12h 08m

2 stops

STI10:52 pmSantiago de los Caballeros

$715

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Santiago de los CaballerosBaltimore

STI - BWI

STIBWI

Santiago de los Caballeros

Mon 5/18

4:15 pm-11:29 pm

1 stop7h 14m

Baltimore/Washington

Mon 5/25

6:30 am-3:20 pm

1 stop8h 50m

$491

Santiago de los CaballerosBaltimore

STI - BWI

STIBWI

Santiago de los Caballeros

Mon 5/18

4:15 pm-10:57 pm

2 stops30h 42m

Baltimore/Washington

Mon 5/25

6:30 am-3:20 pm

1 stop8h 50m

$523

Santiago de los CaballerosWashington, D.C.

STI - DCA

STIDCA

Santiago de los Caballeros

Wed 5/20

7:31 am-2:38 pm

1 stop7h 07m

Washington, D.C. Reagan-National

Wed 5/27

11:15 am-6:11 pm

1 stop6h 56m

$543

Santiago de los CaballerosWashington, D.C.

STI - DCA

STIDCA

Santiago de los Caballeros

Tue 5/12

8:57 am-9:10 am

1 stop24h 13m

Washington, D.C. Reagan-National

Tue 9/22

7:00 am-1:35 pm

1 stop6h 35m

$549

Quickest round-trip

Santiago de los CaballerosWashington, D.C.

STI - DCA

STIDCA

Santiago de los Caballeros

Wed 5/13

7:31 am-2:38 pm

1 stop7h 07m

Washington, D.C. Reagan-National

Wed 9/9

7:00 am-1:35 pm

1 stop6h 35m

$550

Santiago de los CaballerosWashington, D.C.

STI - DCA

STIDCA

Santiago de los Caballeros

Tue 10/20

1:29 pm-11:04 pm

1 stop9h 35m

Washington, D.C. Reagan-National

Tue 10/27

11:00 am-7:06 pm

1 stop8h 06m

$582

Santiago de los CaballerosWashington, D.C.

STI - IAD

STIIAD

Santiago de los Caballeros

Wed 5/20

8:59 pm-12:18 pm

1 stop15h 19m

Washington, D.C. Dulles Intl

Wed 5/27

1:32 pm-12:59 am

1 stop11h 27m

$582

Santiago de los CaballerosWashington, D.C.

STI - IAD

STIIAD

Santiago de los Caballeros

Mon 5/18

3:59 pm-4:21 am

1 stop12h 22m

Washington, D.C. Dulles Intl

Sun 5/24

2:21 am-2:50 pm

1 stop12h 29m

$584

Santiago de los CaballerosWashington, D.C.

STI - IAD

STIIAD

Santiago de los Caballeros

Tue 10/20

2:07 pm-10:59 pm

1 stop8h 52m

Washington, D.C. Dulles Intl

Wed 10/28

6:00 am-1:53 pm

1 stop7h 53m

$597

Santiago de los CaballerosWashington, D.C.

STI - IAD

STIIAD

Santiago de los Caballeros

Mon 7/6

4:01 pm-4:21 am

1 stop12h 20m

Washington, D.C. Dulles Intl

Sun 7/19

2:22 am-2:59 pm

1 stop12h 37m

$619

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Santiago de los Caballeros to Washington, D.C.

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

Prices

Airlines

How have Santiago de los Caballeros to Washington, D.C. flight prices changed over time?

As of April 2026, prices for Santiago de los Caballeros to Washington, D.C. flights are approximately 20% more expensive when compared to flights at the same time last year.

When to book flights from Santiago de los Caballeros to Washington, D.C.

Are you open to changing your travel dates? Check out the ideal times to fly from Santiago de los Caballeros to Washington, D.C. according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Santiago de los Caballeros to Washington, D.C. (STI to WAS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Santiago de los Caballeros to Washington, D.C.

Fastest flight time	7h 03m
Direct flights	None

The fastest flight from Santiago de los Caballeros to Washington, D.C. takes 7h 03m

There are no direct flights from Santiago de los Caballeros to Washington, D.C.. There are no popular flight routes from Santiago de los Caballeros to Washington, D.C..

Search flight deals

Frequently asked questions about flying from Santiago de los Caballeros to Washington, D.C.

How far is Santiago de los Caballeros to Washington, D.C. by plane?
A flight from Santiago de los Caballeros to Washington, D.C. will travel around 1395.5 mi. By plane, this route typically takes 7h 03m.
When did momondo last update prices for flights from Santiago de los Caballeros Airport to Washington, D.C.?
Prices for flights from Santiago de los Caballeros Airport to Washington, D.C. were last updated today.
How many operators does momondo search for flights from Santiago de los Caballeros Airport to Washington, D.C.?
As of April 2026, there are 3 operators available to choose from for flights from Santiago de los Caballeros Airport to Washington, D.C..
How old do you have to be to fly from Santiago de los Caballeros Airport to Washington, D.C.?
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 Santiago de los Caballeros Airport to Washington, D.C..
What documentation or ID do you need to fly to Washington, D.C.?
The necessary travel and health documents for your Washington, D.C. trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Santiago de los Caballeros to Washington, D.C.?
momondo data reveals that the most frequently booked airline on the route from Santiago de los Caballeros to Washington, D.C. is JetBlue, representing 100% of all bookings.

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

Compare and see reviews for airlines that fly from Santiago de los Caballeros to Washington, D.C. with momondo

Airline	Rating	Free Cancellation	Price
Spirit Airlines	PriceFrom $312	Free Cancellation	Rating 6.3 8,633 reviews	Search Spirit Airlines flights
JetBlue	PriceFrom $369	Free Cancellation	Rating 7.2 2,951 reviews	Search JetBlue flights
United Airlines	PriceFrom $662	Free Cancellation	Rating 7.4 9,637 reviews	Search United Airlines flights

Alexandria

National Harbor

Gettysburg

Arlington

Waldorf

Woodbridge

Laurel

Colonial Beach

Gaithersburg

Towson

Fredericksburg

Silver Spring

Rockville

Manassas

Linthicum Heights

Tysons

Bethesda

Springfield

Fairfax

College Park

Why use momondo?

Why should I use momondo to find a flight deal from Santiago de los Caballeros to Washington, D.C.?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Santiago de los Caballeros to Washington, D.C.. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Santiago de los Caballeros to Washington, D.C. with flexible booking policies on momondo?

Yes. All flights to Washington, D.C. from Santiago de los Caballeros on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Santiago de los Caballeros to Washington, D.C.?

momondo provides multiple filters to help you find the best flight to Washington, D.C. from Santiago de los Caballeros. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Santiago de los Caballeros to Washington, D.C. right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Santiago de los Caballeros to Washington, D.C. flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Washington, D.C. trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Sat 5/23

Sat 5/30

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States

Nearby airports

Airlines

Cabin classes

Other United States destinations

Other flights from Santiago de los Caballeros

Complete your trip

Feeling lucky

Fly into one of these airports located in Washington, D.C.

Washington, D.C. Reagan-National Airport

Washington, D.C. Dulles Intl Airport

Cheap flights from Santiago de los Caballeros to Washington, D.C. from $177

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Santiago de los Caballeros to Washington, D.C.

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Copa Airlines flights from Santiago de los Caballeros to Washington, D.C.

Our best Copa Airlines deals on Santiago de los Caballeros to Washington, D.C. flight tickets

United Airlines flights from Santiago de los Caballeros to Washington, D.C.

Our best United Airlines deals on Santiago de los Caballeros to Washington, D.C. flight tickets

momondo Fare Finder

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

See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Santiago de los Caballeros to Washington, D.C.

How have Santiago de los Caballeros to Washington, D.C. flight prices changed over time?

What is the cheapest airline that flies from Santiago de los Caballeros to Washington, D.C.?

What airlines fly to Washington, D.C.?

When to book flights from Santiago de los Caballeros to Washington, D.C.

Cheap Santiago de los Caballeros to Washington, D.C. (STI to WAS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Santiago de los Caballeros to Washington, D.C.

Fastest flight time

Direct flights

Frequently asked questions about flying from Santiago de los Caballeros to Washington, D.C.

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

Compare and see reviews for airlines that fly from Santiago de los Caballeros to Washington, D.C. with momondo

Traveling to a place near Washington, D.C.?

Why use momondo?

An easier way to manage your Washington, D.C. trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 22.4 mi from Washington, D.C.

Fly your favorite airline to Washington, D.C.

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Washington, D.C.

List of cabin classes available on flights landing in Washington, D.C.. Availability may vary depending on flight origin and airline.

Popular cities in the United States

Popular flights according to clicks in the last 7 days on momondo

Fly to other destinations from Santiago de los Caballeros

According to popular flight searches on momondo this year

Complete your trip to Washington, D.C.

Explore popular destinations other users love

According to popular flight searches on momondo this year