Singapore (SIN) to Da Nang (DAD): 1,055 miles (1,698 km) great-circle, about 2h 35m nonstop by our estimate. Cheapest fare observed: $245 round-trip on Vietnam Airlines, with 1 stop, departing July 1, 2026.
$245 round-trip, Vietnam Airlines VN654, departing 2026-07-01 at 18:25, returning 2026-07-14. The recorded itinerary left on a Wednesday, returning on a Tuesday 13 nights later; the fare was observed 67 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $245, it ranked 10th of the 30 round-trip fares we recorded from SIN (median $361). That is 23.2 cents per great-circle mile (round-trip price over one-way distance), above the SIN median of 19.9 cents across 30 round-trip routes.
Routes from SIN of similar length: Bali (1,039 mi) at $160 and Bangkok (880 mi) at $223.
Vietnam Airlines had the cheapest fare on 2 of 30 SIN routes. It is the 21st longest of the 30 routes we track from SIN.
Of 16 departure airports with a fare to Da Nang, Singapore (SIN) ranked 9th at $245. Lowest: $112 from Hanoi (HAN); highest: $1135 from Reykjavik (KEF); 9 nonstop. Cheapest-fare airlines (routes): AirAsia (2), Vietravel Airlines (2), Air Seoul (1), Emirates (1), HK Express (1) and Indonesia AirAsia (1), plus 8 more.
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones Asia/Singapore, Asia/Ho_Chi_Minh; flight time is our estimate.