Bangkok (DMK) to Surat Thani (URT): 345 miles (555 km) great-circle, about 1h 10m nonstop by our estimate. Cheapest fare observed: $79 round-trip on Thai AirAsia, nonstop, departing June 29, 2026.
$79 round-trip, Thai AirAsia FD3331, departing 2026-06-29 at 17:20, returning 2026-07-11. The recorded itinerary left on a Monday, returning on a Saturday 12 nights later; the fare was observed 65 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $79, it ranked 3rd of the 30 round-trip fares we recorded from DMK (median $322). That is 22.9 cents per great-circle mile (round-trip price over one-way distance), close to the DMK median of 25.1 cents across 30 round-trip routes.
Routes from DMK of similar length: Phu Quoc (345 mi) at $138 and Chiang Mai (353 mi) at $65.
Thai AirAsia had the cheapest fare on 12 of 30 DMK routes. It is the 29th longest of the 30 routes we track from DMK.
Of 2 departure airports with a fare to Surat Thani, Bangkok (DMK) ranked 1st at $79. Lowest: $79 from Bangkok (BKK); highest: $79 from Bangkok (DMK); 2 nonstop. Cheapest-fare airlines (routes): Thai AirAsia (2).
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones Asia/Bangkok, Asia/Bangkok; flight time is our estimate.