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Cheap flights from Washington to Santiago de los Caballeros from $233

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 2/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Washington to Santiago de los Caballeros

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
10:45 pm - 12:23 pm
PDX
-
STI
10h 38m
1 stop
American Airlines Logo
1:32 pm - 11:52 pm
STI
-
PDX
13h 20m
1 stop
$489American Airlines
Wed, Apr 15 - Thu, Apr 30
American Airlines Logo
10:45 pm - 12:23 pm
PDX
-
STI
10h 38m
1 stop
American Airlines Logo
1:32 pm - 10:20 am
STI
-
PDX
23h 48m
2 stops
$493American Airlines
Wed, Apr 15 - Thu, Apr 30
United Airlines Logo
7:10 pm - 11:46 am
SEA
-
STI
12h 36m
2 stops
United Airlines Logo
5:00 am - 7:03 pm
STI
-
SEA
17h 03m
2 stops
$509United Airlines
Fri, Mar 6 - Tue, Mar 10
United Airlines Logo
11:59 pm - 2:53 pm
SEA
-
STI
10h 54m
1 stop
United Airlines Logo
5:00 am - 7:03 pm
STI
-
SEA
17h 03m
2 stops
$543United Airlines
Fri, Mar 6 - Tue, Mar 10
American Airlines Logo
10:16 pm - 9:30 pm
SEA
-
STI
19h 14m
1 stop
American Airlines Logo
7:00 am - 11:40 pm
STI
-
SEA
19h 40m
1 stop
$554American Airlines
Fri, Mar 6 - Tue, Mar 10
United Airlines Logo
10:54 pm - 1:53 pm
PDX
-
STI
11h 59m
1 stop
United Airlines Logo
5:00 am - 10:45 pm
STI
-
PDX
20h 45m
2 stops
$568United Airlines
Wed, Mar 11 - Wed, Mar 25
American Airlines Logo
10:53 pm - 8:29 pm
PDX
-
STI
18h 36m
1 stop
American Airlines Logo
7:00 am - 11:44 pm
STI
-
PDX
19h 44m
1 stop
$604American Airlines
Wed, Mar 11 - Wed, Mar 25
Delta Logo
6:00 am - 11:54 pm
SEA
-
STI
14h 54m
2 stops
Delta Logo
6:33 am - 10:15 pm
STI
-
SEA
18h 42m
2 stops
$711Delta
Thu, Mar 12 - Thu, Mar 19
Delta Logo
3:30 pm - 12:40 pm
SEA
-
STI
18h 10m
1 stop
Delta Logo
8:50 pm - 2:43 pm
STI
-
SEA
20h 53m
2 stops
$873Delta
Sat, Jul 4 - Mon, Jul 20
Delta Logo
3:30 pm - 12:40 pm
SEA
-
STI
18h 10m
1 stop
Delta Logo
8:50 pm - 10:24 am
STI
-
SEA
16h 34m
1 stop
$946Delta
Sat, Jul 4 - Mon, Jul 20

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
Mar 6
SEA7:10 pmSeattle/Tacoma Intl
12h 36m
2 stops
STI11:46 amSantiago de los Caballeros
Mar 10
STI5:00 amSantiago de los Caballeros
17h 03m
2 stops
SEA7:03 pmSeattle/Tacoma Intl
$509
United Airlines
Mar 6
SEA11:59 pmSeattle/Tacoma Intl
10h 54m
1 stop
STI2:53 pmSantiago de los Caballeros
Mar 10
STI5:00 amSantiago de los Caballeros
17h 03m
2 stops
SEA7:03 pmSeattle/Tacoma Intl
$543
United Airlines
Mar 11
PDX10:54 pmPortland
11h 59m
1 stop
STI1:53 pmSantiago de los Caballeros
Mar 25
STI5:00 amSantiago de los Caballeros
20h 45m
2 stops
PDX10:45 pmPortland
$568

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
Jan 31
PDX7:00 amPortland
13h 50m
1 stop
STI12:50 amSantiago de los Caballeros
Feb 7
STI6:38 amSantiago de los Caballeros
17h 47m
1 stop
PDX8:25 pmPortland
$591
Delta
Jan 31
PDX7:00 amPortland
13h 50m
1 stop
STI12:50 amSantiago de los Caballeros
Feb 7
STI9:59 pmSantiago de los Caballeros
24h 51m
2 stops
PDX6:50 pmPortland
$595
Delta
Feb 6
SEA1:45 pmSeattle/Tacoma Intl
19h 19m
1 stop
STI1:04 pmSantiago de los Caballeros
Feb 8
STI9:59 pmSantiago de los Caballeros
17h 20m
1 stop
SEA11:19 amSeattle/Tacoma Intl
$609

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 January 29, 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

PortlandSantiago de los Caballeros

PDX - STI

PDXSTI

Portland

Wed 4/15

10:45 pm-12:23 pm

1 stop10h 38m

Santiago de los Caballeros

Thu 4/30

1:32 pm-11:52 pm

1 stop13h 20m

$489

PortlandSantiago de los Caballeros

PDX - STI

PDXSTI

Portland

Wed 4/15

10:45 pm-12:23 pm

1 stop10h 38m

Santiago de los Caballeros

Thu 4/30

1:32 pm-10:20 am

2 stops23h 48m

$493

SeattleSantiago de los Caballeros

SEA - STI

SEASTI

Seattle/Tacoma Intl

Fri 3/6

7:10 pm-11:46 am

2 stops12h 36m

Santiago de los Caballeros

Tue 3/10

5:00 am-7:03 pm

2 stops17h 03m

$509

SeattleSantiago de los Caballeros

SEA - STI

SEASTI

Seattle/Tacoma Intl

Fri 3/6

11:59 pm-2:53 pm

1 stop10h 54m

Santiago de los Caballeros

Tue 3/10

5:00 am-7:03 pm

2 stops17h 03m

$543

SeattleSantiago de los Caballeros

SEA - STI

SEASTI

Seattle/Tacoma Intl

Fri 3/6

10:16 pm-9:30 pm

1 stop19h 14m

Santiago de los Caballeros

Tue 3/10

7:00 am-11:40 pm

1 stop19h 40m

$554

PortlandSantiago de los Caballeros

PDX - STI

PDXSTI

Portland

Wed 3/11

10:54 pm-1:53 pm

1 stop11h 59m

Santiago de los Caballeros

Wed 3/25

5:00 am-10:45 pm

2 stops20h 45m

$568

PortlandSantiago de los Caballeros

PDX - STI

PDXSTI

Portland

Wed 3/11

10:53 pm-8:29 pm

1 stop18h 36m

Santiago de los Caballeros

Wed 3/25

7:00 am-11:44 pm

1 stop19h 44m

$604

SeattleSantiago de los Caballeros

SEA - STI

SEASTI

Seattle/Tacoma Intl

Thu 3/12

6:00 am-11:54 pm

2 stops14h 54m

Santiago de los Caballeros

Thu 3/19

6:33 am-10:15 pm

2 stops18h 42m

$711

SeattleSantiago de los Caballeros

SEA - STI

SEASTI

Seattle/Tacoma Intl

Sat 7/4

3:30 pm-12:40 pm

1 stop18h 10m

Santiago de los Caballeros

Mon 7/20

8:50 pm-2:43 pm

2 stops20h 53m

$873

SeattleSantiago de los Caballeros

SEA - STI

SEASTI

Seattle/Tacoma Intl

Sat 7/4

3:30 pm-12:40 pm

1 stop18h 10m

Santiago de los Caballeros

Mon 7/20

8:50 pm-10:24 am

1 stop16h 34m

$946

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 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 29% 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

11h 48m

Direct flights

None
The fastest flight from State of Washington to Santiago de los Caballeros takes 11h 48m
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

  • 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
7.2
11,206 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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