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

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

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

On average, it takes 9h 05m 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 46m.

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 September 2026, there is 1 operator 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.

$319 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 - 4:08 pmSEA Seattle/Tacoma Intl-STI Santiago de los Caballeros

14h 54m1 stop Miami

2:22 pm - 11:59 pmSTI Santiago de los Caballeros-SEA Seattle/Tacoma Intl

13h 37m1 stop Miami

$672American Airlines

Mon, Nov 16 - Wed, Nov 25

10:52 pm - 1:07 pmSEA Seattle/Tacoma Intl-STI Santiago de los Caballeros

10h 15m1 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

$672Delta

Tue, Nov 10 - Wed, Nov 18

7:15 am - 12:59 amSEA Seattle/Tacoma Intl-STI Santiago de los Caballeros

13h 44m1 stop New York John F Kennedy Intl

7:00 am - 11:00 pmSTI Santiago de los Caballeros-SEA Seattle/Tacoma Intl

20h 00m1 stop New York John F Kennedy Intl

$672Delta

Mon, Nov 9 - Tue, Nov 17

10:59 pm - 6:33 pmSEA Seattle/Tacoma Intl-STI Santiago de los Caballeros

15h 34m1 stop New York John F Kennedy Intl

9:25 pm - 10:31 amSTI Santiago de los Caballeros-SEA Seattle/Tacoma Intl

17h 06m1 stop New York John F Kennedy Intl

$672Delta

Sat, Nov 7 - Sun, Nov 15

4:00 pm - 1:33 pmSEA Seattle/Tacoma Intl-STI Santiago de los Caballeros

17h 33m1 stop New York John F Kennedy Intl

9:25 pm - 10:31 amSTI Santiago de los Caballeros-SEA Seattle/Tacoma Intl

17h 06m1 stop New York John F Kennedy Intl

$672Delta

Sat, Nov 7 - Sat, Nov 14

10:52 pm - 1:07 pmSEA Seattle/Tacoma Intl-STI Santiago de los Caballeros

10h 15m1 stop New York John F Kennedy Intl

2:32 pm - 11:00 pmSTI Santiago de los Caballeros-SEA Seattle/Tacoma Intl

12h 28m1 stop New York John F Kennedy Intl

$672Delta

Mon, Nov 9 - Tue, Nov 17

4:00 pm - 1:07 pmSEA Seattle/Tacoma Intl-STI Santiago de los Caballeros

17h 07m1 stop New York John F Kennedy Intl

9:25 pm - 10:31 amSTI Santiago de los Caballeros-SEA Seattle/Tacoma Intl

17h 06m1 stop New York John F Kennedy Intl

$672Delta

Sun, Nov 8 - Mon, Nov 16

4:00 pm - 1:33 pmSEA Seattle/Tacoma Intl-STI Santiago de los Caballeros

17h 33m1 stop New York John F Kennedy Intl

2:32 pm - 11:00 pmSTI Santiago de los Caballeros-SEA Seattle/Tacoma Intl

12h 28m1 stop New York John F Kennedy Intl

$672Delta

Sat, Nov 7 - Tue, Nov 17

11:34 pm - 4:08 pmSEA Seattle/Tacoma Intl-STI Santiago de los Caballeros

12h 34m2 stops Chicago O'Hare Intl Miami

4:58 pm - 9:43 amSTI Santiago de los Caballeros-SEA Seattle/Tacoma Intl

20h 45m2 stops Miami Chicago O'Hare Intl

$677American Airlines

Mon, Nov 16 - Wed, Nov 25

9:14 pm - 4:08 pmSEA Seattle/Tacoma Intl-STI Santiago de los Caballeros

14h 54m1 stop Miami

4:58 pm - 11:32 amSTI Santiago de los Caballeros-SEA Seattle/Tacoma Intl

22h 34m2 stops Miami Dallas/Fort Worth

$677American Airlines

Mon, Nov 16 - Wed, Nov 25

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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

Delta

Nov 7

SEA4:00 pmSeattle/Tacoma Intl

17h 33m

1 stop

STI1:33 pmSantiago de los Caballeros

Nov 17

STI2:32 pmSantiago de los Caballeros

12h 28m

1 stop

SEA11:00 pmSeattle/Tacoma Intl

$672

Delta

Nov 9

SEA10:52 pmSeattle/Tacoma Intl

10h 15m

1 stop

STI1:07 pmSantiago de los Caballeros

Nov 12

STI7:00 amSantiago de los Caballeros

20h 57m

2 stops

SEA11:57 pmSeattle/Tacoma Intl

$677

Delta

Oct 9

PDX10:15 pmPortland

16h 18m

1 stop

STI5:33 pmSantiago de los Caballeros

Oct 18

STI7:05 pmSantiago de los Caballeros

19h 51m

1 stop

PDX11:56 amPortland

$996

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

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

American Airlines

Nov 8

SEA5:47 pmSeattle/Tacoma Intl

15h 39m

2 stops

STI1:26 pmSantiago de los Caballeros

Nov 15

STI5:08 pmSantiago de los Caballeros

20h 29m

2 stops

SEA9:37 amSeattle/Tacoma Intl

$682

American Airlines

Oct 1

SEA5:34 pmSeattle/Tacoma Intl

17h 41m

2 stops

STI2:15 pmSantiago de los Caballeros

Oct 12

STI3:12 pmSantiago de los Caballeros

21h 19m

2 stops

SEA9:31 amSeattle/Tacoma Intl

$750

American Airlines

Mar 6

PDX10:54 pmPortland

10h 36m

1 stop

STI1:30 pmSantiago de los Caballeros

Mar 13

STI2:30 pmSantiago de los Caballeros

13h 14m

1 stop

PDX11:44 pmPortland

$760

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

Mon 11/16

9:14 pm-4:08 pm

1 stop14h 54m

Santiago de los Caballeros

Wed 11/25

2:22 pm-11:59 pm

1 stop13h 37m

$672

SeattleSantiago de los Caballeros

SEA Seattle/Tacoma Intl - STI Santiago de los Caballeros

SEASTI

Seattle/Tacoma Intl

Tue 11/10

10:52 pm-1:07 pm

1 stop10h 15m

Santiago de los Caballeros

Wed 11/18

7:00 am-8:18 pm

1 stop17h 18m

$672

SeattleSantiago de los Caballeros

SEA Seattle/Tacoma Intl - STI Santiago de los Caballeros

SEASTI

Seattle/Tacoma Intl

Mon 11/9

7:15 am-12:59 am

1 stop13h 44m

Santiago de los Caballeros

Tue 11/17

7:00 am-11:00 pm

1 stop20h 00m

$672

SeattleSantiago de los Caballeros

SEA Seattle/Tacoma Intl - STI Santiago de los Caballeros

SEASTI

Seattle/Tacoma Intl

Sat 11/7

10:59 pm-6:33 pm

1 stop15h 34m

Santiago de los Caballeros

Sun 11/15

9:25 pm-10:31 am

1 stop17h 06m

$672

SeattleSantiago de los Caballeros

SEA Seattle/Tacoma Intl - STI Santiago de los Caballeros

SEASTI

Seattle/Tacoma Intl

Sat 11/7

4:00 pm-1:33 pm

1 stop17h 33m

Santiago de los Caballeros

Sat 11/14

9:25 pm-10:31 am

1 stop17h 06m

$672

Quickest round-trip

SeattleSantiago de los Caballeros

SEA Seattle/Tacoma Intl - STI Santiago de los Caballeros

SEASTI

Seattle/Tacoma Intl

Mon 11/9

10:52 pm-1:07 pm

1 stop10h 15m

Santiago de los Caballeros

Tue 11/17

2:32 pm-11:00 pm

1 stop12h 28m

$672

SeattleSantiago de los Caballeros

SEA Seattle/Tacoma Intl - STI Santiago de los Caballeros

SEASTI

Seattle/Tacoma Intl

Sun 11/8

4:00 pm-1:07 pm

1 stop17h 07m

Santiago de los Caballeros

Mon 11/16

9:25 pm-10:31 am

1 stop17h 06m

$672

SeattleSantiago de los Caballeros

SEA Seattle/Tacoma Intl - STI Santiago de los Caballeros

SEASTI

Seattle/Tacoma Intl

Sat 11/7

4:00 pm-1:33 pm

1 stop17h 33m

Santiago de los Caballeros

Tue 11/17

2:32 pm-11:00 pm

1 stop12h 28m

$672

SeattleSantiago de los Caballeros

SEA Seattle/Tacoma Intl - STI Santiago de los Caballeros

SEASTI

Seattle/Tacoma Intl

Mon 11/16

11:34 pm-4:08 pm

2 stops12h 34m

Santiago de los Caballeros

Wed 11/25

4:58 pm-9:43 am

2 stops20h 45m

$677

SeattleSantiago de los Caballeros

SEA Seattle/Tacoma Intl - STI Santiago de los Caballeros

SEASTI

Seattle/Tacoma Intl

Mon 11/16

9:14 pm-4:08 pm

1 stop14h 54m

Santiago de los Caballeros

Wed 11/25

4:58 pm-11:32 am

2 stops22h 34m

$677

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 November. 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 November, then flying in April 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	$319
Fastest flight time	11h 43m
Direct flights	None

The best one-way flight to Santiago de los Caballeros from State of Washington in the past 72 hours is $319. The best round-trip flight deal from State of Washington to Santiago de los Caballeros found on momondo in the last 72 hours is $672.

The fastest flight from State of Washington to Santiago de los Caballeros takes 11h 43m

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 September 2026, there is 1 operator 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
American Airlines	PriceFrom $540	Free Cancellation	Rating 7.0 12,073 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 $319

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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

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

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

momondo Fare Finder

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

Fastest flight time

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

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 Dominican Republic

Airports servicing Dominican Republic

Fly your favorite airline to Santiago de los Caballeros

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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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