Kuala Lumpur (KUL) to Nha Trang (NHA): 820 miles (1,320 km) great-circle, about 2h 10m nonstop by our estimate. Cheapest fare observed: $196 round-trip on AirAsia, nonstop, departing July 13, 2026.
$196 round-trip, AirAsia AK204, departing 2026-07-13 at 10:10, returning 2026-07-25. The recorded itinerary left on a Monday, returning on a Saturday 12 nights later; the fare was observed 79 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $196, it ranked 13th of the 30 round-trip fares we recorded from KUL (median $267). That is 23.9 cents per great-circle mile (round-trip price over one-way distance), above the KUL median of 19.0 cents across 30 round-trip routes.
Routes from KUL of similar length: Bangkok (758 mi) at $184 and Jakarta (702 mi) at $132.
AirAsia had the cheapest fare on 7 of 30 KUL routes. It is the 21st longest of the 30 routes we track from KUL.
Of 17 departure airports with a fare to Nha Trang, Kuala Lumpur (KUL) ranked 5th at $196. 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/Kuala_Lumpur, Asia/Ho_Chi_Minh; flight time is our estimate.