The flight distance from Boundary Airport (BYA) in Boundary, United States to Noi Bai International Airport (HAN) in Hanoi, Vietnam is 8,946 kilometers (5,559 miles / 4,831 nautical miles). The estimated flight time for this route is approximately 12h, flying west northwest at a heading of 300°.

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 Vietnam. It is an intercontinental flight between North America and Asia. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 01:21 in Boundary, it's 17:21 in Hanoi. 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 2,901 feet between the two airports. Noi Bai International Airport sits lower than Boundary Airport.

The return flight from Hanoi (HAN) to Boundary (BYA) follows a heading of 24° (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 Boundary Airport (BYA) and Noi Bai International Airport (HAN) detail pages, or use our flight duration calculator to compare other routes.