The flight distance from Portland International Airport (PDX) in Portland, United States to Shannon Airport (SNN) in Shannon, Ireland is 7,400 kilometers (4,598 miles / 3,996 nautical miles). The estimated flight time for this route is approximately 10h, flying northeast at a heading of 37°.

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 06:00 in Portland, it's 14:00 in Shannon. With a 8-hour time difference, travelers should plan for significant jet lag. It typically takes one day per hour of time difference to fully adjust.

The return flight from Shannon (SNN) to Portland (PDX) follows a heading of 316° (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 Portland International Airport (PDX) and Shannon Airport (SNN) detail pages, or use our flight duration calculator to compare other routes.