Na Thon (Ko Samui Island) to Singapore (USM–SIN) — Airlines, Schedules & Connections
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No nonstop flights on this route. connecting options below.
USM–SIN is served by 2 airlines with nonstop service. Scoot and Bangkok Airways lead the route. The flight covers 628 miles in approximately 1h 55m. Beyond nonstop, 6 hubs offer 1-stop connections.
Airline Landscape
| Airline | Freq/wk | Aircraft | Duration | Dep OTP | Alliance | Codeshares |
|---|---|---|---|---|---|---|
| TR Scoot Also: SQ | 28 | 290 | 1h55-2h | – | – | SQ |
| PG Bangkok Airways Also: AY, BA, EK, EY, KL, LH, LX, QF, QR, SQ, TG, TK, VN | 17 | 319 | 1h55 | – | – | AY, BA, EK, EY, KL, LH, LX, QF, QR, SQ, TG, TK, VN |
Weekly Schedule Pattern
Connection Landscape
Other ways to reach Singapore from Na Thon (Ko Samui Island)
| Metric | USM→SIN | KBV→SIN | HKT→SIN |
|---|---|---|---|
| Distance from USM | – | 124 mi | 155 mi |
| Nonstop airlines | 2 | 2 | 7 |
| Weekly flights | 222 | 18 | 186 |
| Flight time | 1h 55m | 1h 55m | 1h 23m |
Travel Essentials
USM: +07 · SIN: +08
When it's 6:00 PM in Na Thon (Ko Samui Island), it's 7:00 PM in Singapore.
Thai passport holders enter Singapore visa-free for up to 30 days. No advance application is needed. Passport must be valid for at least 6 months beyond the date of entry. Complete the SG Arrival Card electronically at eservices.ica.gov.sg within 3 days before arrival. A return or onward ticket is required. Immigration at Changi Airport (SIN) is fast, with automated gates available for frequent visitors.
The 30-day stay can be extended at the ICA (Immigration and Checkpoints Authority) building on Kallang Road for up to 89 days total. Extensions cost SGD 40 per extension (about THB 1,060). Singapore and Thailand are both ASEAN members, which simplifies the entry process. For land entry from Malaysia via the Causeway or Second Link, the same 30-day visa-free rule applies.
Direct flights from Bangkok (BKK or DMK) to Singapore Changi run about 2 hours 15 minutes on Singapore Airlines, Thai Airways, Scoot, Thai AirAsia, and Jetstar Asia. Multiple daily departures from both Bangkok airports. Singapore uses the Singapore dollar (SGD), trading at roughly 26 SGD per THB 1 (or about 26 THB per SGD 1). EZ-Link or SimplyGo cards work on MRT, buses, and LRT at SGD 1 to SGD 3 per trip. Changi Airport's MRT station connects directly to the city in 30 minutes for SGD 2.20 (about THB 57). Hawker centres are where locals eat: a full meal runs SGD 3 to SGD 8 (THB 78 to THB 208).
MRT from T1/T2/T3 to City Hall takes about 30 minutes (S$2.20–2.50 with EZ-Link card). Trains run from 5:31am to midnight. For Terminal 4, take the free inter-terminal shuttle bus to T2 first.
Taxis from arrivals cost S$20–35 to Orchard or Marina Bay, including airport surcharge (S$5) and possible peak surcharges. Grab is cheaper and very reliable in Singapore. Coach buses serve Johor Bahru (Malaysia) from the airport.
Equatorial climate with no true seasons, hot (26–33°C) and humid year-round. Changi is one of the most reliable airports in Asia for flight operations: thunderstorm cells are intense but brief, typically clearing within 1–2 hours. Most delays are weather-related and short.
Northeast monsoon (November–January) brings the most consistent rain, sometimes for days at a time. Haze from Indonesian forest fires (typically August–October) occasionally reduces visibility and triggers air quality warnings, but rarely grounds flights. Changi's operational efficiency means it handles weather disruptions better than most airports its size.
USM–SIN Quick Facts
Frequently Asked Questions
Flights from USM to SIN
Samui International Airport (USM) and Singapore Changi Airport (SIN) are connected by nonstop service from Bangkok Airways and Scoot. With 222 weekly departures, this is a heavily served route.
USM to SIN Flight Duration and Schedule
Nonstop flight time from USM to SIN ranges from 1 hours 55 minutes to 2 hours 0 minutes. The route covers a distance of 628 miles (1,010 km). There are approximately 222 weekly flights outbound and 243 return, totaling 465 flights per week in both directions.
Connecting Options and Alternatives
6 one-stop connections are available, with the fastest taking approximately 11 hours via CNX. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Krabi (KBV), Phuket (HKT) and Hat Yai (HDY).