The flight distance from Chicago O'Hare International Airport (ORD) in Chicago, United States to Gillespie Field (SEE) in San Diego/El Cajon, United States is 2,745 kilometers (1,705 miles / 1,482 nautical miles). The estimated flight time for this route is approximately 4h, flying west southwest at a heading of 258°.

This is a medium-haul route that may be operated by either narrow-body or wide-body aircraft depending on demand. Passengers can expect a meal service on most carriers.

This is a domestic route within United States. Both airports operate in the same country, which may simplify travel requirements and documentation. Despite being a domestic route, there is a 2-hour time difference between the two cities.

Time zone information: When it's 03:11 in Chicago, it's 01:11 in San Diego/El Cajon.

The return flight from San Diego/El Cajon (SEE) to Chicago (ORD) follows a heading of 60° (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 Chicago O'Hare International Airport (ORD) and Gillespie Field (SEE) detail pages, or use our flight duration calculator to compare other routes.