In terms of precipitation, rainfall in Portland ranges from 0.7 - 5.6 inches per month. November is typically the wettest month, when rainfall can reach 5.6 in. July is typically the driest time to visit Portland when rainfall is around 0.7 in.

If weather is an important factor for your trip to Portland, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

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

When flying from Santiago de los Caballeros to Portland, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Most accurate provider : When it comes to deals on Santiago de los Caballeros-Portland flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Santiago de los Caballeros-Portland flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Santiago de los Caballeros-Portland flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Santiago de los Caballeros-Portland flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Santiago de los Caballeros-Portland flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

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

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

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

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

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

$687+ Flights from Santiago de los Caballeros to Portland

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Cheap flight deals from Santiago de los Caballeros to Portland

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 1 star

Provider with most accurate pricing for Santiago de los Caballeros-Portland flight deals.

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Find flight deals from Santiago de los Caballeros to Portland

Cheapest flights from Santiago de los Caballeros to Portland
Explore the most affordable flight options available from Santiago de los Caballeros to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 19, 2026.

Tue 10/2711:52 am

STI

PDX

1 stop12h 29m

United Airlines

Thu 10/2910:00 am

PDX

STI

1 stop9h 51m

United Airlines

Deal found 1/18

$687

Most accurate provider: When it comes to deals on Santiago de los Caballeros-Portland flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Santiago de los Caballeros-Portland flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Santiago de los Caballeros-Portland flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Santiago de los Caballeros-Portland flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Santiago de los Caballeros-Portland flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

Have a flexible travel schedule? Discover the best time to fly to Portland from Santiago de los Caballeros 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.

Related info for your journey

Can I find deals for flights from Santiago de los Caballeros to Portland that include hotel bookings?
Yes. In addition to deals on Santiago de los Caballeros to Portland flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Santiago de los Caballeros to Portland?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Santiago de los Caballeros to Portland.
Can I find deals for business class flights from Santiago de los Caballeros to Portland?
Yes. Cheapflights offers flight deals from Santiago de los Caballeros to Portland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/27. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Santiago de los Caballeros to Portland with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Santiago de los Caballeros to Portland

Most accurate provider

Most trusted provider

Find flight deals from Santiago de los Caballeros to Portland

Cheapest flights from Santiago de los Caballeros to Portland
Explore the most affordable flight options available from Santiago de los Caballeros to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 19, 2026.

Explore the most affordable flight options available from Santiago de los Caballeros to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 19, 2026.

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

Have a flexible travel schedule? Discover the best time to fly to Portland from Santiago de los Caballeros with our price prediction graph.

Related info for your journey

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

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

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

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

Traveling to a place near Portland?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Santiago de los Caballeros to Portland

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Portland by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Santiago de los Caballeros to Portland by cabin class

Find flights from Santiago de los Caballeros to Portland, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Santiago de los Caballeros and Portland flights

Browse other Santiago de los Caballeros and Portland flight options. Last updated on January 19, 2026.

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$687+ Cheap flights from Santiago de los Caballeros (STI) to Portland (PDX)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/27. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Santiago de los Caballeros to Portland with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Santiago de los Caballeros to Portland

Most accurate provider

Most trusted provider

Find flight deals from Santiago de los Caballeros to Portland

Cheapest flights from Santiago de los Caballeros to PortlandExplore the most affordable flight options available from Santiago de los Caballeros to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 19, 2026.

Explore the most affordable flight options available from Santiago de los Caballeros to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 19, 2026.

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

Have a flexible travel schedule? Discover the best time to fly to Portland from Santiago de los Caballeros with our price prediction graph.

Related info for your journey

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

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

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

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

Traveling to a place near Portland?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Santiago de los Caballeros to Portland

See prices for flight routes from nearby airports that may be better suited for you.

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Santiago de los Caballeros to Portland
Explore the most affordable flight options available from Santiago de los Caballeros to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 19, 2026.