Beijing (PEK) to Nha Trang (NHA): 1,992 miles (3,205 km) great-circle, about 4h 30m nonstop by our estimate. Cheapest fare observed: $323 round-trip on Sichuan Airlines, with 1 stop, departing May 17, 2026.
$323 round-trip, Sichuan Airlines 3U6880, departing 2026-05-17 at 08:25, returning 2026-06-08. The recorded itinerary left on a Sunday, returning on a Monday 22 nights later; the fare was observed 22 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $323, it ranked 10th of the 30 round-trip fares we recorded from PEK (median $408). That is 16.2 cents per great-circle mile (round-trip price over one-way distance), below the PEK median of 26.1 cents across 30 round-trip routes.
Routes from PEK of similar length: Bangkok (2,061 mi) at $288 and Ho Chi Minh City (2,111 mi) at $311.
Sichuan Airlines had the cheapest fare on 2 of 30 PEK routes. It is the 14th longest of the 30 routes we track from PEK.
Of 17 departure airports with a fare to Nha Trang, Beijing (PEK) ranked 10th at $323. Lowest: $109 from Ho Chi Minh City (SGN); highest: $789 from Kathmandu (KTM); 7 nonstop. Cheapest-fare airlines (routes): VietJet Air (4), AirAsia (2), Sichuan Airlines (2), Thai Vietjet Air (2), Vietnam Airlines (2) and Air India (1), plus 4 more.
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones Asia/Shanghai, Asia/Ho_Chi_Minh; flight time is our estimate.