Cheap Flights from Boise (BOI) to São Tomé Island (TMS)

Popular airlines from Boise Airport (BOI) to São Tomé Island (TMS-São Tomé Intl.)

Flights from Boise (BOI) to São Tomé Island (TMS)
Origin airport
Boise
Destination airport
São Tomé Intl.
Distance
7801 mi

Boise to São Tomé Island Flights

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

 

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

Sunday is one of the best days to book for cheap flights from Boise 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 Boise 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 Boise 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 Boise 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 Boise 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.

 

Frequently asked questions

How much does a flight from Boise Airport (BOI) to Sao Tome Intl. Airport (TMS) cost?
Snag a cheap one-way flight or cheap return flight from Boise Airport (BOI) to Sao Tome Intl. Airport (TMS) 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 Boise Airport (BOI) to Sao Tome Intl. Airport (TMS)?
The cheapest month to fly from BOI to TMS is , when demand is low. Off-peak months are typically when airlines offer lower prices between these airports.
What is the cheapest airline that flies from Boise Airport (BOI) to Sao Tome Intl. Airport (TMS)?
Use the filter tool on Expedia to compare different airlines and find the most affordable carrier that'll fly you from BOI to TMS. Then, sort your results by "Price (lowest to highest)" to snap up a good deal.
How many flights per day from Boise Airport (BOI) to Sao Tome Intl. Airport (TMS)?
You'll have to take a flight with a layover when traveling from Boise Airport (BOI) to Sao Tome Intl. Airport (TMS). There are no daily direct flights on this route. However, just filter your search to include one or more stops to find the best option for your trip.
What day of the week has the most flights from BOI to TMS?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can change based on a range of factors, such as the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Boise Airport (BOI) to Sao Tome Intl. Airport (TMS)?
Opt for a flight from Boise Airport (BOI) to Sao Tome Intl. Airport (TMS) that leaves before 3 PM to reduce the risk of cancellations. Departures after this time have a 22% higher chance of being canceled, on average.**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 Boise Airport (BOI) to Sao Tome Intl. Airport (TMS) last-minute?
Last-minute bookings from BOI to TMS are generally more expensive. To secure the best prices, start searching for flights early. That said, if you can play around with your travel dates, you may score a cheap ticket right before your journey.
Is it cheaper to book a BOI to TMS flight and hotel package?
Compared with arranging hotels and flights separately, booking a BOI to TMS flight and hotel package with Expedia could lead to significant savings. Better still, having everything in one convenient place takes the hassle out of planning your trip. Simply secure your flights and select from our wide range of stays, then customize your trip with other add-ons like tours and car rentals.
Can I cancel or change the date of my flight from Boise Airport (BOI) to Sao Tome Intl. Airport (TMS)?
Typically, you can modify or cancel your BOI to TMS flight. However, there may be additional charges, especially if your booking was made more than 24 hours ago. Double-check your itinerary for the airline's rules and fees on flight changes, or if you want more details, head to our Customer Service portal.

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*Available to One Key members.