The flight distance from San Francisco International Airport (SFO) in San Francisco, United States to London Airport (YXU) in London, Canada is 3,510 kilometers (2,181 miles / 1,895 nautical miles). The estimated flight time for this route is approximately 5h, flying east northeast at a heading of 67°.

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 17:23 in San Francisco, it's 20:23 in London. The 3-hour time difference may cause some jet lag. Most travelers adjust within a day or two.

The return flight from London (YXU) to San Francisco (SFO) follows a heading of 274° (west). 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 London Airport (YXU) detail pages, or use our flight duration calculator to compare other routes.