Singapore (SIN) to Ho Chi Minh City (SGN): 679 miles (1,093 km) great-circle, about 1h 50m nonstop by our estimate. Cheapest fare observed: $238 round-trip on Vietnam Airlines, nonstop, departing May 28, 2026.
$238 round-trip, Vietnam Airlines VN654, departing 2026-05-28 at 18:25, returning 2026-05-30. The recorded itinerary left on a Thursday, returning on a Saturday 2 nights later; the fare was observed 33 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $238, it ranked 9th of the 30 round-trip fares we recorded from SIN (median $361). That is 35.0 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: Koh Samui (628 mi) at $369 and Phuket (609 mi) at $182.
Vietnam Airlines had the cheapest fare on 2 of 30 SIN routes. It is the 25th longest of the 30 routes we track from SIN.
Of 20 departure airports with a fare to Ho Chi Minh City, Singapore (SIN) ranked 8th at $238. Lowest: $183 from Bangkok (BKK); highest: $1566 from Salt Lake City (SLC); 8 nonstop. Cheapest-fare airlines (routes): VietJet Air (3), Air India (2), American Airlines (2), Qatar (2), AirAsia (1) and Cathay Pacific (1), plus 9 more.
The reverse, Ho Chi Minh City (SGN) to Singapore (SIN), was $184 round-trip on Scoot, nonstop, departing July 20, 2026. Ho Chi Minh City to Singapore flights.
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.