Bangkok (DMK) to Ho Chi Minh City (SGN): 461 miles (741 km) great-circle, about 1h 25m nonstop by our estimate. Cheapest fare observed: $209 round-trip on Thai AirAsia, nonstop, departing June 24, 2026.
$209 round-trip, Thai AirAsia FD656, departing 2026-06-24 at 07:30, returning 2026-08-08. The recorded itinerary left on a Wednesday, returning on a Saturday 45 nights later; the fare was observed 60 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $209, it ranked 10th of the 30 round-trip fares we recorded from DMK (median $322). That is 45.4 cents per great-circle mile (round-trip price over one-way distance), above the DMK median of 25.1 cents across 30 round-trip routes.
Routes from DMK of similar length: Phuket (430 mi) at $72 and Krabi (417 mi) at $92.
Thai AirAsia had the cheapest fare on 12 of 30 DMK routes. It is the 24th longest of the 30 routes we track from DMK.
Of 20 departure airports with a fare to Ho Chi Minh City, Bangkok (DMK) ranked 6th at $209. 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.
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones Asia/Bangkok, Asia/Ho_Chi_Minh; flight time is our estimate.