The flight distance from Walla Walla Regional Airport (ALW) in Walla Walla, United States to Perth International Airport (PER) in Perth, Australia is 15,174 kilometers (9,429 miles / 8,194 nautical miles). The estimated flight time for this route is approximately 19h, flying west at a heading of 269°.

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 10:25 in Walla Walla, it's 02:25 in Perth. With a 16-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 1,127 feet between the two airports. Perth International Airport sits lower than Walla Walla Regional Airport.

The return flight from Perth (PER) to Walla Walla (ALW) follows a heading of 55° (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 Walla Walla Regional Airport (ALW) and Perth International Airport (PER) detail pages, or use our flight duration calculator to compare other routes.