Direct (nonstop) flights from Hong Kong to Koh Samui

1 airline flys nonstop from Hong Kong International Airport (HKG) to Samui (USM). It's 1,271 miles (2,046 km), about 3h 30m in the air. Operated by Bangkok Airways.

HKG
Hong Kong International Airport
🇭🇰 Hong Kong, Hong Kong SAR
USM
Samui
🇹🇭 Koh Samui, Thailand
Flight Time
3h 30m
Distance
1,271 mi
2,046 km
CO₂/pax
215 kg
−40 kg vs. layover
Airlines
1
Bangkok Airways
Time Diff
-1h
Operated by Bangkok Airways Bangkok Airways

Route data last updated: May 26, 2026

Airlines with non-stop flights

Bangkok Airways PG Bangkok Airways
Route
HKG → USM
Flight Time
3h 30m
Distance
1,271 mi

Alternative Routes

Other ways to fly from Hong Kong to Koh Samui with one stop · direct emits 215 kg CO₂ per passenger

HKG BKK (Bangkok) USM
Leg 1: 3h 5m (1,049 mi) Leg 2: 1h 10m (288 mi) Total: ~4h 15m 🍃 255 kg CO₂ (+19% vs. direct)
Leg 1
HKG → BKK
3h 5m · 1,049 mi
View HKG to BKK flights →
Leg 2
BKK → USM
1h 10m · 288 mi
View BKK to USM flights →
HKG DMK (Bangkok) USM
Leg 1: 2h 55m (1,049 mi) Leg 2: 1h 33m (302 mi) Total: ~4h 28m 🍃 258 kg CO₂ (+20% vs. direct)
Leg 1
HKG → DMK
2h 55m · 1,049 mi
View HKG to DMK flights →
Leg 2
DMK → USM
1h 33m · 302 mi
View DMK to USM flights →
HKG HKT (Phuket) USM
Leg 1: 3h 45m (1,427 mi) Leg 2: 55m (155 mi) Total: ~4h 40m 🍃 295 kg CO₂ (+37% vs. direct)
Leg 1
HKG → HKT
3h 45m · 1,427 mi
View HKG to HKT flights →
Leg 2
HKT → USM
55m · 155 mi
View HKT to USM flights →
HKG CNX (Chiang Mai) USM
Leg 1: 3h (999 mi) Leg 2: 1h 45m (638 mi) Total: ~4h 45m 🍃 312 kg CO₂ (+45% vs. direct)
Leg 1
HKG → CNX
3h · 999 mi
View HKG to CNX flights →
Leg 2
CNX → USM
1h 45m · 638 mi
View CNX to USM flights →
HKG SIN (Singapore) USM
Leg 1: 3h 50m (1,588 mi) Leg 2: 1h 55m (624 mi) Total: ~5h 45m 🍃 408 kg CO₂ (+90% vs. direct)
Leg 1
HKG → SIN
3h 50m · 1,588 mi
View HKG to SIN flights →
Leg 2
SIN → USM
1h 55m · 624 mi
View SIN to USM flights →

Frequently Asked Questions

How long is the direct flight from Hong Kong to Koh Samui?

A nonstop flight from Hong Kong (HKG) to Koh Samui (USM) takes approximately 3 hours and 30 minutes. The distance is 1,271 miles (2,046 km).

Which airlines fly nonstop from Hong Kong to Koh Samui?

Just Bangkok Airways.

Is there a nonstop flight from Hong Kong to Koh Samui?

Yes. 1 airline: Bangkok Airways.

How far is Hong Kong from Koh Samui?

The flight distance from Hong Kong to Koh Samui is 1,271 miles (2,046 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as New York to Miami.

What is the time difference between Hong Kong and Koh Samui?

Koh Samui is 1 hour behind Hong Kong. (Asia/Hong_Kong vs Asia/Bangkok.)

What type of aircraft flies from Hong Kong to Koh Samui?

At 3h 30m, this route typically uses narrow-body or mid-range jets — Boeing 737 MAX or Airbus A320neo. Varies by airline.

Do I need a visa to travel from Hong Kong SAR to Thailand?

Depends on your passport. Check with the Thailand embassy or an official visa portal before booking — requirements change.

What is the carbon footprint of a flight from Hong Kong to Koh Samui?

Roughly 215 kg CO2 per passenger one-way. That's about the same as driving 1,075 km.

Is the return flight from Koh Samui to Hong Kong also nonstop?

Yes — nonstop flights run both ways. Flight time may differ slightly due to wind patterns.

When is the cheapest time to fly from Hong Kong to Koh Samui?

Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. 3-6 weeks ahead is a good window for this route. Use "Check Prices" above to compare.

How early should I arrive at Hong Kong International Airport for this flight?

3 hours before departure for international flights. You need time for check-in, security, and immigration.