How long does it take to fly to Santiago de los Caballeros?

On average, it takes 10h 51m to fly from State of Washington to Santiago de los Caballeros if you fly out of Seattle (the most popular airport in State of Washington) and into Santo Domingo (the most popular airport in Santiago de los Caballeros). If you’re flying out of Spokane and into Santo Domingo, then the flight time is around 12h 41m.

What is the cheapest airline that flies from Washington to Santiago de los Caballeros?

Delta and American Airlines are the most popular carriers operating from Washington to Santiago de los Caballeros

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

Prices for flights from Washington to Santiago de los Caballeros Airport are updated daily.

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

As of November 2026, there are 2 operators available to choose from for flights from Washington to Santiago de los Caballeros Airport.

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington to Santiago de los Caballeros Airport.

What documentation or ID do you need to fly to Santiago de los Caballeros Airport?

The travel and health documents required for your trip to Santiago de los Caballeros Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Santiago de los Caballeros Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$349 Cheap Flights from Washington to Santiago de los Caballeros in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Washington to Santiago de los Caballeros

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:14 pm - 8:56 pmSEA Seattle/Tacoma Intl-STI Santiago de los Caballeros

19h 42m1 stop Miami

7:10 am - 12:30 amSTI Santiago de los Caballeros-SEA Seattle/Tacoma Intl

21h 20m1 stop Miami

$732American Airlines

Tue, Feb 16 - Tue, Feb 23

9:14 pm - 8:56 pmSEA Seattle/Tacoma Intl-STI Santiago de los Caballeros

19h 42m1 stop Miami

7:10 am - 12:30 amSTI Santiago de los Caballeros-SEA Seattle/Tacoma Intl

21h 20m1 stop Miami

$732American Airlines

Mon, Feb 15 - Tue, Feb 23

7:15 am - 12:54 amSEA Seattle/Tacoma Intl-STI Santiago de los Caballeros

13h 39m1 stop New York John F Kennedy Intl

7:00 am - 8:18 pmSTI Santiago de los Caballeros-SEA Seattle/Tacoma Intl

17h 18m1 stop New York John F Kennedy Intl

$732Delta

Wed, Dec 2 - Sun, Dec 6

10:16 pm - 12:23 pmSEA Seattle/Tacoma Intl-STI Santiago de los Caballeros

11h 07m1 stop Miami

1:32 pm - 11:18 pmSTI Santiago de los Caballeros-SEA Seattle/Tacoma Intl

12h 46m1 stop Miami

$732American Airlines

Thu, May 6 - Mon, May 10

7:35 pm - 12:10 pmSEA Seattle/Tacoma Intl-STI Santiago de los Caballeros

13h 35m2 stops Salt Lake City New York John F Kennedy Intl

9:00 pm - 2:47 pmSTI Santiago de los Caballeros-SEA Seattle/Tacoma Intl

20h 47m2 stops New York John F Kennedy Intl Los Angeles

$737Delta

Wed, Apr 14 - Wed, Apr 21

9:14 pm - 1:36 pmSEA Seattle/Tacoma Intl-STI Santiago de los Caballeros

12h 22m1 stop Miami

7:10 am - 9:40 pmSTI Santiago de los Caballeros-SEA Seattle/Tacoma Intl

18h 30m2 stops Miami Dallas/Fort Worth

$737American Airlines

Tue, Feb 16 - Tue, Feb 23

7:15 am - 12:54 amSEA Seattle/Tacoma Intl-STI Santiago de los Caballeros

13h 39m1 stop New York John F Kennedy Intl

9:25 pm - 1:56 pmSTI Santiago de los Caballeros-SEA Seattle/Tacoma Intl

20h 31m2 stops New York John F Kennedy Intl Austin Bergstrom

$737Delta

Wed, Dec 2 - Sun, Dec 6

12:15 pm - 3:12 pmSEA Seattle/Tacoma Intl-STI Santiago de los Caballeros

23h 57m2 stops Los Angeles Newark

6:00 am - 9:05 pmSTI Santiago de los Caballeros-SEA Seattle/Tacoma Intl

18h 05m1 stop Newark

$862United Airlines

Sat, May 1 - Wed, May 5

10:45 pm - 3:12 pmSEA Seattle/Tacoma Intl-STI Santiago de los Caballeros

13h 27m1 stop Newark

6:00 am - 9:05 pmSTI Santiago de los Caballeros-SEA Seattle/Tacoma Intl

18h 05m1 stop Newark

$862United Airlines

Sat, May 1 - Wed, May 5

11:00 am - 3:12 pmSEA Seattle/Tacoma Intl-STI Santiago de los Caballeros

25h 12m2 stops Chicago O'Hare Intl Newark

2:07 pm - 8:48 pmSTI Santiago de los Caballeros-SEA Seattle/Tacoma Intl

33h 41m3 stops Newark Denver Intl San Francisco

$867United Airlines

Thu, May 6 - Mon, May 10

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United Airlines flights from State of Washington to Santiago de los Caballeros

Our best United Airlines deals on State of Washington to Santiago de los Caballeros flight tickets

United Airlines

Feb 18

SEA3:32 pmSeattle/Tacoma Intl

16h 17m

2 stops

STI11:49 amSantiago de los Caballeros

Feb 27

STI12:55 pmSantiago de los Caballeros

12h 48m

1 stop

SEA9:43 pmSeattle/Tacoma Intl

$732

United Airlines

May 1

SEA12:15 pmSeattle/Tacoma Intl

23h 57m

2 stops

STI3:12 pmSantiago de los Caballeros

May 5

STI6:00 amSantiago de los Caballeros

18h 05m

1 stop

SEA9:05 pmSeattle/Tacoma Intl

$862

United Airlines

May 1

SEA11:50 pmSeattle/Tacoma Intl

12h 22m

2 stops

STI3:12 pmSantiago de los Caballeros

May 5

STI6:00 amSantiago de los Caballeros

20h 21m

2 stops

SEA11:21 pmSeattle/Tacoma Intl

$867

Delta flights from State of Washington to Santiago de los Caballeros

Our best Delta deals on State of Washington to Santiago de los Caballeros flight tickets

Delta

Apr 14

SEA3:30 pmSeattle/Tacoma Intl

17h 40m

1 stop

STI12:10 pmSantiago de los Caballeros

Apr 21

STI9:00 pmSantiago de los Caballeros

20h 29m

2 stops

SEA2:29 pmSeattle/Tacoma Intl

$737

Delta

Dec 31

SEA11:25 pmSeattle/Tacoma Intl

16h 22m

1 stop

STI7:47 pmSantiago de los Caballeros

Jan 7

STI6:38 amSantiago de los Caballeros

19h 43m

1 stop

SEA10:21 pmSeattle/Tacoma Intl

$1,007

Delta

Feb 11

SEA7:40 amSeattle/Tacoma Intl

12h 10m

1 stop

STI11:50 pmSantiago de los Caballeros

Feb 15

STI6:35 amSantiago de los Caballeros

19h 30m

1 stop

SEA10:05 pmSeattle/Tacoma Intl

$1,032

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleSantiago de los Caballeros

SEA Seattle/Tacoma Intl - STI Santiago de los Caballeros

SEASTI

Seattle/Tacoma Intl

Tue 2/16

9:14 pm-8:56 pm

1 stop19h 42m

Santiago de los Caballeros

Tue 2/23

7:10 am-12:30 am

1 stop21h 20m

$732

SeattleSantiago de los Caballeros

SEA Seattle/Tacoma Intl - STI Santiago de los Caballeros

SEASTI

Seattle/Tacoma Intl

Mon 2/15

9:14 pm-8:56 pm

1 stop19h 42m

Santiago de los Caballeros

Tue 2/23

7:10 am-12:30 am

1 stop21h 20m

$732

SeattleSantiago de los Caballeros

SEA Seattle/Tacoma Intl - STI Santiago de los Caballeros

SEASTI

Seattle/Tacoma Intl

Wed 12/2

7:15 am-12:54 am

1 stop13h 39m

Santiago de los Caballeros

Sun 12/6

7:00 am-8:18 pm

1 stop17h 18m

$732

Quickest round-trip

SeattleSantiago de los Caballeros

SEA Seattle/Tacoma Intl - STI Santiago de los Caballeros

SEASTI

Seattle/Tacoma Intl

Thu 5/6

10:16 pm-12:23 pm

1 stop11h 07m

Santiago de los Caballeros

Mon 5/10

1:32 pm-11:18 pm

1 stop12h 46m

$732

SeattleSantiago de los Caballeros

SEA Seattle/Tacoma Intl - STI Santiago de los Caballeros

SEASTI

Seattle/Tacoma Intl

Wed 4/14

7:35 pm-12:10 pm

2 stops13h 35m

Santiago de los Caballeros

Wed 4/21

9:00 pm-2:47 pm

2 stops20h 47m

$737

SeattleSantiago de los Caballeros

SEA Seattle/Tacoma Intl - STI Santiago de los Caballeros

SEASTI

Seattle/Tacoma Intl

Tue 2/16

9:14 pm-1:36 pm

1 stop12h 22m

Santiago de los Caballeros

Tue 2/23

7:10 am-9:40 pm

2 stops18h 30m

$737

SeattleSantiago de los Caballeros

SEA Seattle/Tacoma Intl - STI Santiago de los Caballeros

SEASTI

Seattle/Tacoma Intl

Wed 12/2

7:15 am-12:54 am

1 stop13h 39m

Santiago de los Caballeros

Sun 12/6

9:25 pm-1:56 pm

2 stops20h 31m

$737

SeattleSantiago de los Caballeros

SEA Seattle/Tacoma Intl - STI Santiago de los Caballeros

SEASTI

Seattle/Tacoma Intl

Sat 5/1

12:15 pm-3:12 pm

2 stops23h 57m

Santiago de los Caballeros

Wed 5/5

6:00 am-9:05 pm

1 stop18h 05m

$862

SeattleSantiago de los Caballeros

SEA Seattle/Tacoma Intl - STI Santiago de los Caballeros

SEASTI

Seattle/Tacoma Intl

Sat 5/1

10:45 pm-3:12 pm

1 stop13h 27m

Santiago de los Caballeros

Wed 5/5

6:00 am-9:05 pm

1 stop18h 05m

$862

SeattleSantiago de los Caballeros

SEA Seattle/Tacoma Intl - STI Santiago de los Caballeros

SEASTI

Seattle/Tacoma Intl

Thu 5/6

11:00 am-3:12 pm

2 stops25h 12m

Santiago de los Caballeros

Mon 5/10

2:07 pm-8:48 pm

3 stops33h 41m

$867

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 State of Washington 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

Prices

Airlines

Other information

What is the cheapest month to fly to Santiago de los Caballeros?

The cheapest month to fly to Santiago de los Caballeros from State of Washington is in April. Flight prices, which tend to average around $0, 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 April, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $0.

Can stopping save me money on State of Washington to Santiago de los Caballeros flights?

You could potentially save up to 50% on your flight if you consider stops on a State of Washington to Santiago de los Caballeros flight.

Cheap State of Washington to Santiago de los Caballeros flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to Santiago de los Caballeros

Best Price Found	$349
Fastest flight time	11h 01m
Direct flights	None

The best one-way flight to Santiago de los Caballeros from State of Washington in the past 72 hours is $349. The best round-trip flight deal from State of Washington to Santiago de los Caballeros found on momondo in the last 72 hours is $732.

The fastest flight from State of Washington to Santiago de los Caballeros takes 11h 01m

There are no direct flights from State of Washington to Santiago de los Caballeros. There are no popular flight routes from State of Washington to Santiago de los Caballeros.

Search flight deals

Frequently asked questions about flying from Washington to Santiago de los Caballeros

When did momondo last update prices for flights from Washington to Santiago de los Caballeros Airport?
Prices for flights from Washington to Santiago de los Caballeros Airport are updated daily.
How many operators does momondo search for flights from Washington to Santiago de los Caballeros Airport?
As of November 2026, there are 2 operators available to choose from for flights from Washington to Santiago de los Caballeros Airport.
How old do you have to be to fly from Washington to Santiago de los Caballeros Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington to Santiago de los Caballeros Airport.
What documentation or ID do you need to fly to Santiago de los Caballeros Airport?
The travel and health documents required for your trip to Santiago de los Caballeros Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Santiago de los Caballeros Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from State of Washington to Santiago de los Caballeros

Compare and see reviews for airlines that fly from State of Washington to Santiago de los Caballeros with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $455	Free Cancellation	Rating 7.8 8,708 reviews		Search Delta flights
American Airlines	PriceFrom $540	Free Cancellation	Rating 7.0 12,224 reviews		Search American Airlines flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Washington to Santiago de los Caballeros for you.

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

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

How can momondo help me find flights from Washington to Santiago de los Caballeros?

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

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

Yes. momondo can track prices for Washington to Santiago de los Caballeros flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Cheap flights from Washington to Santiago de los Caballeros from $349

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United Airlines flights from State of Washington to Santiago de los Caballeros

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Delta flights from State of Washington to Santiago de los Caballeros

Our best Delta deals on State of Washington to Santiago de los Caballeros flight tickets

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

See travel insights to Santiago de los Caballeros from

How to get the cheapest flight ticket from State of Washington to Santiago de los Caballeros

What is the cheapest month to fly to Santiago de los Caballeros?

Can stopping save me money on State of Washington to Santiago de los Caballeros flights?

What is the cheapest airline that flies from Washington to Santiago de los Caballeros?

How long does it take to fly to Santiago de los Caballeros?

Cheap State of Washington to Santiago de los Caballeros flight deals and tips

Best Price Found

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Direct flights

Frequently asked questions about flying from Washington to Santiago de los Caballeros

Best airlines flying from State of Washington to Santiago de los Caballeros

Compare and see reviews for airlines that fly from State of Washington to Santiago de los Caballeros with momondo

Why use momondo?

An easier way to manage your Santiago de los Caballeros trip

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List of cabin classes available on flights landing in Santiago de los Caballeros. Availability may vary depending on flight origin and airline.

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