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Santiago de los Caballeros

$227+ Cheap flights from Portland (PDX) to Santiago de los Caballeros (STI)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/22. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — STI
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from Portland to Santiago de los Caballeros

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to Santiago de los Caballeros (STI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 12, 2025.

Round-trip from

$578
(FlightHub)

One-way from

$227
(Mytrip)

Popular in

February

Cheapest in

January

Average price

$983
From Portland to Santiago de los Caballeros
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One-way flight from Portland to Santiago de los Caballeros
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Highest demand for flights based on searches. 11% potential increase in price ($101 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($50 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Portland to Santiago de los Caballeros

Cheapest flights from Portland to Santiago de los Caballeros
Explore the most affordable flight options available from Portland to Santiago de los Caballeros. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This Priceline deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/1410:23 amPDX - STI
2 stops20h 27mSpirit Airlines
Tue 7/2210:55 amSTI - PDX
2 stops25h 23mSpirit Airlines
Deal found 6/12$535
This Delta deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/237:00 amPDX - STI
1 stop14h 26mDelta
Sun 12/72:55 pmSTI - PDX
1 stop12h 34mDelta
Deal found 6/11$567
This United Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/75:40 pmPDX - STI
2 stops16h 17mUnited Airlines
Sat 9/276:00 amSTI - PDX
2 stops14h 21mUnited Airlines
Deal found 6/12$571
This Mytrip deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/276:02 pmPDX - STI
3 stops36h 48mMultiple Airlines
Sun 8/310:55 amSTI - PDX
3 stops25h 23mMultiple Airlines
Deal found 6/12$716
This American Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/1312:59 amPDX - STI
2 stops17h 20mAmerican Airlines
Tue 7/227:04 amSTI - PDX
2 stops16h 43mAmerican Airlines
Deal found 6/12$1,131

Cheapflights Fare Finder

Customize your flight search to find flights from Portland 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, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
Use the filters below to find and compare flights from Portland to Santiago de los Caballeros that are best for you.

Fly from

Portland

Fly to

Santiago de los Caballeros

Route

Depart

Return

Price

PortlandSantiago de los Caballeros

PDX - STI

PDXSTI

Portland

Mon 7/14

10:23 am-9:50 am

2 stops20h 27m

Santiago de los Caballeros

Tue 7/22

10:55 am-9:18 am

2 stops25h 23m

$535

PortlandSantiago de los Caballeros

PDX - STI

PDXSTI

Portland

Sun 11/23

7:00 am-1:26 am

1 stop14h 26m

Santiago de los Caballeros

Sun 12/7

2:55 pm-11:29 pm

1 stop12h 34m

$567

PortlandSantiago de los Caballeros

PDX - STI

PDXSTI

Portland

Sun 9/7

5:40 pm-12:57 pm

2 stops16h 17m

Santiago de los Caballeros

Sat 9/27

6:00 am-5:21 pm

2 stops14h 21m

$571

PortlandSantiago de los Caballeros

PDX - STI

PDXSTI

Portland

Sun 7/27

6:02 pm-9:50 am

3 stops36h 48m

Santiago de los Caballeros

Sun 8/3

10:55 am-9:18 am

3 stops25h 23m

$716

PortlandSantiago de los Caballeros

PDX - STI

PDXSTI

Portland

Sun 7/13

12:59 am-9:19 pm

2 stops17h 20m

Santiago de los Caballeros

Tue 7/22

7:04 am-8:47 pm

2 stops16h 43m

$1,131

PortlandSantiago de los Caballeros

PDX - STI

PDXSTI

Portland

Tue 7/22

3:10 pm-9:50 am

2 stops15h 40m

$227

PortlandSantiago de los Caballeros

PDX - STI

PDXSTI

Portland

Mon 7/21

10:50 pm-12:57 pm

1 stop11h 07m

$411

PortlandSantiago de los Caballeros

PDX - STI

PDXSTI

Portland

Tue 7/22

9:59 pm-9:50 am

3 stops32h 51m

$546

PortlandSantiago de los Caballeros

PDX - STI

PDXSTI

Portland

Sun 7/20

12:59 am-9:19 pm

2 stops17h 20m

$552

PortlandSantiago de los Caballeros

PDX - STI

PDXSTI

Portland

Sat 7/12

12:40 am-7:28 pm

2 stops15h 48m

$660

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Best time to book a flight from Portland to Santiago de los Caballeros

Have a flexible travel schedule? Discover the best time to fly to Santiago de los Caballeros from Portland with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Portland to Santiago de los Caballeros

What is the cheapest month to book a flight from Portland to Santiago de los Caballeros?

Currently, May is the cheapest month in which you can book a flight from Portland to Santiago de los Caballeros (average of $347). Flying from Portland to Santiago de los Caballeros in July is currently the most expensive (average of $630). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from PDX to STI?

Find hourly flight availability from Portland to Santiago de los Caballeros. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

It’s typically best to fly out from Portland to Santiago de los Caballeros at noon. Doing so could potentially save you 33% on the flight price compared to flying in the morning, which is usually more expensive.

Rainfall in Santiago de los Caballeros by month

Plan your trip to Santiago de los Caballeros by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Santiago de los Caballeros ranges from 3.0 - 11.6 inches per month. December is typically the wettest month, when rainfall can reach 11.6 in. July is typically the driest time to visit Santiago de los Caballeros when rainfall is around 3.0 in.

Temperature in Santiago de los Caballeros by month

Plan your trip to Santiago de los Caballeros by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Santiago de los Caballeros, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 73.4 F).

Reviews of airlines servicing Santiago de los Caballeros

Get insights into the airlines that provide service to Santiago de los Caballeros. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Santiago de los Caballeros. Reviews last updated June 12, 2025.
To help decide which airline to fly from Portland to Santiago de los Caballeros, see what other customers have to say about Delta, United Airlines and American Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Spirit Airlines
6.3
Okay
8,052 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Portland to Santiago de los Caballeros. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Portland to Santiago de los Caballeros round-trip?

    Spirit Airlines, at $578, was found to be the cheapest airline from Portland to Santiago de los Caballeros.Alternate airlines to your destination round-trip include United Airlines and American Airlines. These flights start at 27% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Portland to Santiago de los Caballeros one-way?

    One-way options have recently been found by users for as low as $227 on Spirit Airlines. Other airlines that offer cheap prices include United Airlines from $411 and American Airlines from $552 one-way.

  • Can I find deals for flights from Portland to Santiago de los Caballeros that include hotel bookings?

    Yes. In addition to deals on Portland to Santiago de los Caballeros flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portland to Santiago de los Caballeros?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Santiago de los Caballeros.

  • Can I find deals for business class flights from Portland to Santiago de los Caballeros?

    Yes. Cheapflights offers flight deals from Portland to Santiago de los Caballeros by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Portland to Santiago de los Caballeros?

    Currently, May is the cheapest month in which you can book a flight from Portland to Santiago de los Caballeros (average of $347). Flying from Portland to Santiago de los Caballeros in July is currently the most expensive (average of $630). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Portland to Santiago de los Caballeros

See prices for flight routes from nearby airports that may be better suited for you.
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Boise to Santo Domingo flights

Top 3 airlines flying from Portland to Santiago de los Caballeros

Discover the top 3 airlines that operate flights from Portland to Santiago de los Caballeros. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$485Average$626FlexibilityNo cancel feeOn-time69%
DeltaCheapest$536Average$750FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$569Average$827FlexibilityNo cancel feeOn-time71%

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