The flight distance from Niagara Falls International Airport (IAG) in Niagara Falls, United States to San Francisco International Airport (SFO) in San Francisco, United States is 3,688 kilometers (2,291 miles / 1,991 nautical miles). The estimated flight time for this route is approximately 5h, flying west at a heading of 276°.

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 04:11 in Niagara Falls, it's 01:11 in San Francisco. The 3-hour time difference may cause some jet lag. Most travelers adjust within a day or two.

The return flight from San Francisco (SFO) to Niagara Falls (IAG) follows a heading of 67° (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 Niagara Falls International Airport (IAG) and San Francisco International Airport (SFO) detail pages, or use our flight duration calculator to compare other routes.