The flight distance from Johnson County Airport (BYG) in Buffalo, United States to Dublin Airport (DUB) in Dublin, Ireland is 6,786 kilometers (4,217 miles / 3,664 nautical miles). The estimated flight time for this route is approximately 9h, flying northeast at a heading of 42°.

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

Time zone information: When it's 09:55 in Buffalo, it's 16:55 in Dublin. With a 7-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 4,728 feet between the two airports. Dublin Airport sits lower than Johnson County Airport.

The return flight from Dublin (DUB) to Buffalo (BYG) follows a heading of 307° (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 Johnson County Airport (BYG) and Dublin Airport (DUB) detail pages, or use our flight duration calculator to compare other routes.