The flight distance from General Edward Lawrence Logan International Airport (BOS) in Boston, United States to Leinster Airport (LER) in Leinster Airport, Australia is 18,085 kilometers (11,237 miles / 9,765 nautical miles). The estimated flight time for this route is approximately 22h, flying northwest at a heading of 323°.

This is an ultra-long-haul route, one of the longest in aviation. It requires wide-body aircraft with extended range capability such as the Airbus A350-900ULR or Boeing 777-200LR. Passengers should prepare for an extended flight with multiple meal services.

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

Time zone information: When it's 06:46 in Boston, it's 18:46 in Leinster Airport. With a 12-hour time difference, travelers should plan for significant jet lag. It typically takes one day per hour of time difference to fully adjust.

There is a significant elevation difference of 1,612 feet between the two airports. Leinster Airport sits higher than General Edward Lawrence Logan International Airport.

The return flight from Leinster Airport (LER) to Boston (BOS) follows a heading of 30° (north northeast). 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 Leinster Airport (LER) detail pages, or use our flight duration calculator to compare other routes.