The flight distance from Brigadier Mayor D Cesar Raul Ojeda Airport (LUQ) in San Luis, Argentina to Chicago O'Hare International Airport (ORD) in Chicago, United States is 8,652 kilometers (5,376 miles / 4,672 nautical miles). The estimated flight time for this route is approximately 11h, flying north northwest at a heading of 344°.

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

Time zone information: When it's 07:55 in San Luis, it's 04:55 in Chicago. The 3-hour time difference may cause some jet lag. Most travelers adjust within a day or two.

There is a significant elevation difference of 1,648 feet between the two airports. Chicago O'Hare International Airport sits lower than Brigadier Mayor D Cesar Raul Ojeda Airport.

The return flight from Chicago (ORD) to San Luis (LUQ) follows a heading of 162° (south southeast). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the Brigadier Mayor D Cesar Raul Ojeda Airport (LUQ) and Chicago O'Hare International Airport (ORD) detail pages, or use our flight duration calculator to compare other routes.