The flight distance from San Francisco International Airport (SFO) in San Francisco, United States to Fort Smith Airport (YSM) in Fort Smith, Canada is 2,598 kilometers (1,614 miles / 1,403 nautical miles). The estimated flight time for this route is approximately 4h, flying north northeast at a heading of 13°.

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 an international route connecting United States with Canada. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 02:18 in San Francisco, it's 03:18 in Fort Smith.

The return flight from Fort Smith (YSM) to San Francisco (SFO) follows a heading of 201° (south southwest). 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 Fort Smith Airport (YSM) detail pages, or use our flight duration calculator to compare other routes.