The flight distance from Lisbon Portela Airport (LIS) in Lisbon, Portugal to Key West Nas (Boca Chica Field) Airport (NQX) in Key West, United States is 6,868 kilometers (4,268 miles / 3,709 nautical miles). The estimated flight time for this route is approximately 9h, flying west at a heading of 280°.

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

Time zone information: When it's 23:34 in Lisbon, it's 18:34 in Key West. The 5-hour time difference may cause some jet lag. Most travelers adjust within a day or two.

The return flight from Key West (NQX) to Lisbon (LIS) follows a heading of 58° (east 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 Lisbon Portela Airport (LIS) and Key West Nas (Boca Chica Field) Airport (NQX) detail pages, or use our flight duration calculator to compare other routes.