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Cheap flights from Washington to Santiago de los Caballeros from $317

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Santiago de los Caballeros departing on 11/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Washington to Santiago de los Caballeros

Cheap round-trip flights

Enter your travel dates to find the best prices.
JetBlue Logo
3:55 pm - 12:30 pm
SEA
-
STI
17h 35m
1 stop
JetBlue Logo
8:59 pm - 10:13 am
STI
-
SEA
16h 14m
1 stop
$668JetBlue
Mon, Aug 3 - Mon, Aug 10
American Airlines Logo
5:15 am - 9:07 pm
PDX
-
STI
12h 52m
2 stops
American Airlines Logo
8:30 am - 11:59 pm
STI
-
PDX
18h 29m
2 stops
$695American Airlines
Fri, Aug 7 - Tue, Aug 18
American Airlines Logo
5:34 pm - 2:15 pm
SEA
-
STI
17h 41m
2 stops
American Airlines Logo
1:40 pm - 9:28 am
STI
-
SEA
22h 48m
2 stops
$706American Airlines
Thu, Oct 1 - Mon, Oct 12
American Airlines Logo
8:50 pm - 2:15 pm
SEA
-
STI
14h 25m
1 stop
American Airlines Logo
1:40 pm - 11:25 pm
STI
-
SEA
12h 45m
1 stop
$711American Airlines
Thu, Oct 1 - Mon, Oct 12
JetBlue Logo
9:40 pm - 10:47 am
SEA
-
STI
10h 07m
1 stop
JetBlue Logo
6:30 am - 9:15 pm
STI
-
SEA
17h 45m
1 stop
$714JetBlue
Sat, Oct 3 - Sat, Oct 17
American Airlines Logo
8:50 pm - 2:15 pm
SEA
-
STI
14h 25m
1 stop
American Airlines Logo
3:16 pm - 9:33 am
STI
-
SEA
21h 17m
2 stops
$716American Airlines
Thu, Oct 1 - Mon, Oct 12
United Airlines Logo
11:18 pm - 12:57 pm
PDX
-
STI
10h 39m
1 stop
United Airlines Logo
6:00 am - 10:03 pm
STI
-
PDX
19h 03m
1 stop
$735United Airlines
Sun, Aug 30 - Tue, Sep 8
United Airlines Logo
11:18 pm - 12:57 pm
PDX
-
STI
10h 39m
1 stop
United Airlines Logo
6:00 am - 10:52 pm
STI
-
PDX
19h 52m
2 stops
$740United Airlines
Sun, Aug 30 - Tue, Sep 8
Delta Logo
10:35 pm - 7:34 pm
PDX
-
STI
17h 59m
1 stop
Delta Logo
6:00 am - 9:13 pm
STI
-
PDX
18h 13m
1 stop
$830Delta
Mon, Aug 10 - Tue, Aug 18
Delta Logo
5:08 pm - 12:30 pm
PDX
-
STI
16h 22m
2 stops
Delta Logo
6:00 am - 9:13 pm
STI
-
PDX
18h 13m
1 stop
$835Delta
Mon, Aug 10 - Tue, Aug 18

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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
Aug 7
PDX5:15 amPortland
12h 52m
2 stops
STI9:07 pmSantiago de los Caballeros
Aug 18
STI8:30 amSantiago de los Caballeros
18h 29m
2 stops
PDX11:59 pmPortland
$695
American Airlines
Oct 1
SEA5:34 pmSeattle/Tacoma Intl
17h 41m
2 stops
STI2:15 pmSantiago de los Caballeros
Oct 12
STI1:40 pmSantiago de los Caballeros
22h 48m
2 stops
SEA9:28 amSeattle/Tacoma Intl
$706
American Airlines
Oct 1
SEA8:50 pmSeattle/Tacoma Intl
14h 25m
1 stop
STI2:15 pmSantiago de los Caballeros
Oct 12
STI1:40 pmSantiago de los Caballeros
12h 45m
1 stop
SEA11:25 pmSeattle/Tacoma Intl
$711

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
Aug 10
PDX10:35 pmPortland
17h 59m
1 stop
STI7:34 pmSantiago de los Caballeros
Aug 18
STI6:00 amSantiago de los Caballeros
18h 13m
1 stop
PDX9:13 pmPortland
$830
Delta
Aug 10
PDX5:08 pmPortland
16h 22m
2 stops
STI12:30 pmSantiago de los Caballeros
Aug 18
STI6:00 amSantiago de los Caballeros
18h 13m
1 stop
PDX9:13 pmPortland
$835
Delta
Jul 15
PDX10:40 pmPortland
17h 54m
1 stop
STI7:34 pmSantiago de los Caballeros
Aug 19
STI6:00 amSantiago de los Caballeros
17h 05m
2 stops
PDX8:05 pmPortland
$961

momondo Fare Finder

 
Customize your flight search to find flights from State of Washington to Santiago de los Caballeros that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated June 28, 2026.
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 - STI

SEASTI

Seattle/Tacoma Intl

Mon 8/3

3:55 pm-12:30 pm

1 stop17h 35m

Santiago de los Caballeros

Mon 8/10

8:59 pm-10:13 am

1 stop16h 14m

$668

PortlandSantiago de los Caballeros

PDX - STI

PDXSTI

Portland

Fri 8/7

5:15 am-9:07 pm

2 stops12h 52m

Santiago de los Caballeros

Tue 8/18

8:30 am-11:59 pm

2 stops18h 29m

$695

SeattleSantiago de los Caballeros

SEA - STI

SEASTI

Seattle/Tacoma Intl

Thu 10/1

5:34 pm-2:15 pm

2 stops17h 41m

Santiago de los Caballeros

Mon 10/12

1:40 pm-9:28 am

2 stops22h 48m

$706
Quickest round-trip

SeattleSantiago de los Caballeros

SEA - STI

SEASTI

Seattle/Tacoma Intl

Thu 10/1

8:50 pm-2:15 pm

1 stop14h 25m

Santiago de los Caballeros

Mon 10/12

1:40 pm-11:25 pm

1 stop12h 45m

$711

SeattleSantiago de los Caballeros

SEA - STI

SEASTI

Seattle/Tacoma Intl

Sat 10/3

9:40 pm-10:47 am

1 stop10h 07m

Santiago de los Caballeros

Sat 10/17

6:30 am-9:15 pm

1 stop17h 45m

$714

SeattleSantiago de los Caballeros

SEA - STI

SEASTI

Seattle/Tacoma Intl

Thu 10/1

8:50 pm-2:15 pm

1 stop14h 25m

Santiago de los Caballeros

Mon 10/12

3:16 pm-9:33 am

2 stops21h 17m

$716

PortlandSantiago de los Caballeros

PDX - STI

PDXSTI

Portland

Sun 8/30

11:18 pm-12:57 pm

1 stop10h 39m

Santiago de los Caballeros

Tue 9/8

6:00 am-10:03 pm

1 stop19h 03m

$735

PortlandSantiago de los Caballeros

PDX - STI

PDXSTI

Portland

Sun 8/30

11:18 pm-12:57 pm

1 stop10h 39m

Santiago de los Caballeros

Tue 9/8

6:00 am-10:52 pm

2 stops19h 52m

$740

PortlandSantiago de los Caballeros

PDX - STI

PDXSTI

Portland

Mon 8/10

10:35 pm-7:34 pm

1 stop17h 59m

Santiago de los Caballeros

Tue 8/18

6:00 am-9:13 pm

1 stop18h 13m

$830

PortlandSantiago de los Caballeros

PDX - STI

PDXSTI

Portland

Mon 8/10

5:08 pm-12:30 pm

2 stops16h 22m

Santiago de los Caballeros

Tue 8/18

6:00 am-9:13 pm

1 stop18h 13m

$835

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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

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

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

Fastest flight time

10h 39m

Direct flights

None
The fastest flight from State of Washington to Santiago de los Caballeros takes 10h 39m
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.
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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?

  • 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 AirlinesPriceFrom $501Free CancellationRating
7.1
11,774 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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