The flight distance from San Francisco International Airport (SFO) in San Francisco, United States to Northeast Florida Regional Airport (UST) in St Augustine, United States is 3,855 kilometers (2,396 miles / 2,082 nautical miles). The estimated flight time for this route is approximately 6h, flying east at a heading of 90°.

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 3-hour time difference between the two cities.

Time zone information: When it's 03:43 in San Francisco, it's 06:43 in St Augustine. The 3-hour time difference may cause some jet lag. Most travelers adjust within a day or two.

The return flight from St Augustine (UST) to San Francisco (SFO) follows a heading of 294° (west 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 San Francisco International Airport (SFO) and Northeast Florida Regional Airport (UST) detail pages, or use our flight duration calculator to compare other routes.