The flight distance from General Edward Lawrence Logan International Airport (BOS) in Boston, United States to Sao Tome International Airport (TMS) in Sao Tome, São Tomé and Príncipe is 8,973 kilometers (5,576 miles / 4,845 nautical miles). The estimated flight time for this route is approximately 12h, flying east at a heading of 98°.

This is a long-haul route typically operated by wide-body aircraft such as the Boeing 777 or Airbus A350. Full meal service, in-flight entertainment, and comfort amenities are standard.

This is an international route connecting United States with São Tomé and Príncipe. It is an intercontinental flight between North America and Africa. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 04:05 in Boston, it's 09:05 in Sao Tome. The 5-hour time difference may cause some jet lag. Most travelers adjust within a day or two.

The return flight from Sao Tome (TMS) to Boston (BOS) follows a heading of 313° (northwest). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the General Edward Lawrence Logan International Airport (BOS) and Sao Tome International Airport (TMS) detail pages, or use our flight duration calculator to compare other routes.