Cheap Flights from Portland (PWM) to São Tomé Island (TMS)

Popular airlines from Portland Intl. Jetport Airport (PWM) to São Tomé Island (TMS-São Tomé Intl.)

Frequently asked questions

How much does a flight from Portland Intl. Jetport Airport (PWM) to Sao Tome Intl. Airport (TMS) cost?
Snag a cheap one-way flight or cheap return flight from Portland Intl. Jetport Airport (PWM) to Sao Tome Intl. Airport (TMS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Portland Intl. Jetport Airport (PWM) to Sao Tome Intl. Airport (TMS)?
Planning your getaway for may help you find better deals, as it's the cheapest month for flights between PWM and TMS. You'll typically find the lowest fares during the off-season.
What is the cheapest airline that flies from Portland Intl. Jetport Airport (PWM) to Sao Tome Intl. Airport (TMS)?
To find the cheapest airline flying from PWM to TMS, use Expedia's filter tool. Customize your search based on your travel needs, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from Portland Intl. Jetport Airport (PWM) to Sao Tome Intl. Airport (TMS)?
Nonstop flights from Portland Intl. Jetport Airport (PWM) to Sao Tome Intl. Airport (TMS) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel details and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from PWM to TMS?
Generally you'll have the most choice when it comes to flights on a Friday. Tuesdays tend to be the quietest.* But this can vary based on the season, airline and other factors.*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. Jetport Airport (PWM) to Sao Tome Intl. Airport (TMS)?
Book a flight from Portland Intl. Jetport Airport (PWM) to Sao Tome Intl. Airport (TMS) that leaves before 3 PM to reduce the likelihood of delays. Departures later than this are on average 22% more likely to be canceled.**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. Jetport Airport (PWM) to Sao Tome Intl. Airport (TMS) last-minute?
Holding off until just before your departure to book a flight from PWM to TMS often results in higher prices. While it's possible to find some last-minute deals, they aren't always guaranteed. Keep your travel schedule open for a better chance of scoring a bargain.
Is it cheaper to book a PWM to TMS flight and hotel package?
You'll typically save money by securing a PWM to TMS flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one place. Once you've selected your preferred flights and accommodations, you can add extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from Portland Intl. Jetport Airport (PWM) to Sao Tome Intl. Airport (TMS)?
Usually, it's possible to reschedule or cancel your PWM to TMS flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Check your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Travel information

Origin airport
Portland Intl. Jetport
Destination airport
São Tomé Intl.
Distance
5553 mi

Book with confidence

Book with confidence

Portland to São Tomé Island Flights

The cheapest times to fly from Portland to São Tomé 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 São Tomé Island are during the month of . You can find some of the cheapest flights from Portland to São Tomé Island with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Portland to São Tomé Island

Sunday is one of the best days to book for cheap flights from Portland to São Tomé 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 São Tomé 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 São Tomé Island in 2025. You can also book with separate airlines for your outbound and return journeys, from 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 São Tomé 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 São Tomé 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 São Tomé Island Flights
*Available to One Key members.