$473 Cheap Flights from Portland (PDX) to Santiago Island (RAI)

View $473 flight on Fri, Nov 7, 2025Opens in a new window

Popular airlines from Portland International Airport (PDX) to Santiago Island (RAI-Praia Intl.)

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Cheap Flights from Portland to Santiago Island (PDX-RAI)

Prices were available within the past 7 days and start at $473 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

How much does a flight from Portland Intl. Airport (PDX) to Praia Intl. Airport (RAI) cost?
Grab a cheap one-way flight from $473 or cheap return flight from Portland Intl. Airport (PDX) to Praia Intl. Airport (RAI) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Portland Intl. Airport (PDX) to Praia Intl. Airport (RAI)?
Planning your getaway for is a great way to save, as it's the cheapest month for flights between PDX and RAI. You'll typically find the lowest fares during the off-season.
What is the cheapest airline that flies from Portland Intl. Airport (PDX) to Praia Intl. Airport (RAI)?
To find the cheapest airline that'll fly you from PDX to RAI, use Expedia's filter tool. Customize your search based on what matters most to you, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Portland Intl. Airport (PDX) to Praia Intl. Airport (RAI)?
There aren't any daily direct flights departing from Portland Intl. Airport (PDX) to Praia Intl. Airport (RAI). But you can opt for flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be cruising above the clouds before you know it.
What day of the week has the most flights from PDX to RAI?
You'll usually find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Portland Intl. Airport (PDX) to Praia Intl. Airport (RAI)?
To avoid potential delays on the Portland Intl. Airport (PDX) to Praia Intl. Airport (RAI) route, fly before 3 PM. Later departures have a 22% higher chance of cancellation.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Portland Intl. Airport (PDX) to Praia Intl. Airport (RAI) last-minute?
Holding off until just before your trip to book your flight from PDX to RAI generally means paying more. Although you may find some last-minute deals, there's no guarantee. Allow some flexibility in your schedule to boost your chances of scoring a bargain.
Is it cheaper to book a PDX to RAI flight and hotel package?
You'll typically save money by booking a PDX to RAI flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one convenient place. After choosing your ideal accommodations and flights, consider adding extras like car rentals, activities and tours.
Can I cancel or change the date of my flight from Portland Intl. Airport (PDX) to Praia Intl. Airport (RAI)?
Typically, it's possible to cancel or reschedule your PDX to RAI flight. However, if it's been more than 24 hours since booking, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Travel information

Origin airport
Portland Intl.
Destination airport
Praia Intl.
Distance
5911 mi

Book with confidence

Book with confidence

Portland to Santiago Island Flights

The cheapest times to fly from Portland to Santiago Island

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Portland to Santiago Island are during the month of . You can find some of the cheapest flights from Portland to Santiago Island with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Portland to Santiago Island

Sunday is one of the best days to book for cheap flights from Portland to Santiago Island: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Portland to Santiago Island

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Portland to Santiago Island in 2025. You can also book with separate airlines for your outbound and return journeys, from $473 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Portland to Santiago Island flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Portland to Santiago Island airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Portland to Santiago Island Flights
*Available to One Key members.