San Francisco (SFO) to Beijing (BJS): 5,899 miles (9,494 km) great-circle, about 12h 20m nonstop by our estimate. Cheapest fare observed: $1182 round-trip on Korean Air, with 1 stop, departing May 13, 2026.
$1182 round-trip, Korean Air KE24, departing 2026-05-13 at 12:40, returning 2026-06-24. The recorded itinerary left on a Wednesday, returning on a Wednesday 42 nights later; the fare was observed 18 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $1182, it ranked 23rd of the 30 round-trip fares we recorded from SFO (median $646). That is 20.0 cents per great-circle mile (round-trip price over one-way distance), above the SFO median of 16.9 cents across 30 round-trip routes.
Routes from SFO of similar length: Moscow (5,861 mi) at $1795 and Ulaanbaatar (5,812 mi) at $1531.
SFO to BJS is the only one of 30 SFO routes where Korean Air priced cheapest. It is the 11th longest of the 30 routes we track from SFO.
Of 33 departure airports with a fare to Beijing, San Francisco (SFO) ranked 31st at $1182. Lowest: $166 from Hong Kong (HKG); highest: $2318 from Santo Domingo (SDQ); 5 nonstop. Cheapest-fare airlines (routes): China Southern (4), Hainan Airlines (3), Hong Kong Airlines (3), Korean Air (3), Air China (2) and China Eastern (2), plus 15 more.
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones America/Los_Angeles, Asia/Shanghai; flight time is our estimate.