Hanoi (HAN) to Singapore (SIN): 1,378 miles (2,218 km) great-circle, about 3h 15m nonstop by our estimate. Cheapest fare observed: $269 round-trip on Vietnam Airlines, nonstop, departing May 14, 2026.
$269 round-trip, Vietnam Airlines VN661, departing 2026-05-14 at 07:30, returning 2026-05-16. The recorded itinerary left on a Thursday, returning on a Saturday 2 nights later; the fare was observed 19 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $269, it ranked 15th of the 30 round-trip fares we recorded from HAN (median $271). That is 19.5 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: Beijing (1,449 mi) at $273 and Kuala Lumpur (1,306 mi) at $180.
Vietnam Airlines had the cheapest fare on 2 of 30 HAN routes. It is the 16th longest of the 30 routes we track from HAN.
Of 13 departure airports with a fare to Singapore, Hanoi (HAN) ranked 9th at $269. Lowest: $90 from Kuala Lumpur (KUL); highest: $933 from Auckland (AKL); 9 nonstop. Cheapest-fare airlines (routes): Scoot (2), Thai AirAsia (2), Batik Air Malaysia (1), EVA Air (1), Indonesia AirAsia (1) and KLM (1), plus 5 more.
That depends on your passport and trip, so check the official source for Singapore: Immigration & Checkpoints Authority (Singapore): visa requirements. Connecting elsewhere? Check that country's transit rules too.
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones Asia/Ho_Chi_Minh, Asia/Singapore; flight time is our estimate.