The flight distance from St Louis Lambert International Airport (STL) in St Louis, United States to Varna Airport (VAR) in Varna, Bulgaria is 8,983 kilometers (5,581 miles / 4,850 nautical miles). The estimated flight time for this route is approximately 12h, flying northeast at a heading of 41°.

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 Bulgaria. 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 08:28 in St Louis, it's 16:28 in Varna. 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 Varna (VAR) to St Louis (STL) 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 St Louis Lambert International Airport (STL) and Varna Airport (VAR) detail pages, or use our flight duration calculator to compare other routes.