Hanoi (HAN) to Beijing (BJS): 1,449 miles (2,333 km) great-circle, about 3h 25m nonstop by our estimate. Cheapest fare observed: $273 round-trip on China Southern, with 1 stop, departing May 2, 2026.
$273 round-trip, China Southern CZ8316, departing 2026-05-02 at 15:45, returning 2026-05-09. The recorded itinerary left on a Saturday, returning on a Saturday 7 nights later; the fare was observed 7 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $273, it ranked 16th of the 30 round-trip fares we recorded from HAN (median $271). That is 18.8 cents per great-circle mile (round-trip price over one-way distance), below the HAN median of 25.9 cents across 30 round-trip routes.
Routes from HAN of similar length: Singapore (1,378 mi) at $269 and Kuala Lumpur (1,306 mi) at $180.
China Southern had the cheapest fare on 3 of 30 HAN routes. It is the 15th longest of the 30 routes we track from HAN.
Of 33 departure airports with a fare to Beijing, Hanoi (HAN) ranked 7th at $273. 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 Asia/Ho_Chi_Minh, Asia/Shanghai; flight time is our estimate.