Direct (nonstop) flights from Koh Samui to Phuket

1 airline flys nonstop from Samui (USM) to Phuket International Airport (HKT). It's 155 miles (250 km), about 1h in the air. Operated by Bangkok Airways.

USM
Samui
🇹🇭 Koh Samui, Thailand
HKT
Phuket International Airport
🇹🇭 Phuket, Thailand
Flight Time
1h
Distance
155 mi
250 km
CO₂/pax
29 kg
−126 kg vs. layover
Airlines
1
Bangkok Airways
Time Diff
Same timezone
Operated by Bangkok Airways Bangkok Airways

Route data last updated: May 31, 2026

Airlines with non-stop flights

Bangkok Airways PG Bangkok Airways
Route
USM → HKT
Flight Time
1h
Distance
155 mi

Alternative Routes

Other ways to fly from Koh Samui to Phuket with one stop · direct emits 29 kg CO₂ per passenger

USM BKK (Bangkok) HKT
Leg 1: 1h 15m (288 mi) Leg 2: 1h 30m (418 mi) Total: ~2h 45m 🍃 155 kg CO₂ (+434% vs. direct)
Leg 1
USM → BKK
1h 15m · 288 mi
View USM to BKK flights →
Leg 2
BKK → HKT
1h 30m · 418 mi
View BKK to HKT flights →
USM UTP (Utapao) HKT
Leg 1: 1h 10m (224 mi) Leg 2: 1h 40m (364 mi) Total: ~2h 50m 🍃 134 kg CO₂ (+362% vs. direct)
Leg 1
USM → UTP
1h 10m · 224 mi
View USM to UTP flights →
Leg 2
UTP → HKT
1h 40m · 364 mi
View UTP to HKT flights →
USM DMK (Bangkok) HKT
Leg 1: 1h 33m (302 mi) Leg 2: 1h 25m (428 mi) Total: ~2h 58m 🍃 160 kg CO₂ (+452% vs. direct)
Leg 1
USM → DMK
1h 33m · 302 mi
View USM to DMK flights →
Leg 2
DMK → HKT
1h 25m · 428 mi
View DMK to HKT flights →
USM SIN (Singapore) HKT
Leg 1: 1h 55m (624 mi) Leg 2: 1h 55m (606 mi) Total: ~3h 50m 🍃 252 kg CO₂ (+769% vs. direct)
Leg 1
USM → SIN
1h 55m · 624 mi
View USM to SIN flights →
Leg 2
SIN → HKT
1h 55m · 606 mi
View SIN to HKT flights →
USM CNX (Chiang Mai) HKT
Leg 1: 1h 50m (638 mi) Leg 2: 2h 5m (734 mi) Total: ~3h 55m 🍃 279 kg CO₂ (+862% vs. direct)
Leg 1
USM → CNX
1h 50m · 638 mi
View USM to CNX flights →
Leg 2
CNX → HKT
2h 5m · 734 mi
View CNX to HKT flights →

Frequently Asked Questions

How long is the direct flight from Koh Samui to Phuket?

A nonstop flight from Koh Samui (USM) to Phuket (HKT) takes approximately 1 hours. The distance is 155 miles (250 km).

Which airlines fly nonstop from Koh Samui to Phuket?

Just Bangkok Airways.

Is there a nonstop flight from Koh Samui to Phuket?

Yes. 1 airline: Bangkok Airways.

How far is Koh Samui from Phuket?

The flight distance from Koh Samui to Phuket is 155 miles (250 km), measured as the great-circle (shortest air) distance.

What type of aircraft flies from Koh Samui to Phuket?

At 1h, this route typically uses narrow-body aircraft — Boeing 737 or Airbus A320. Varies by airline.

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

Roughly 29 kg CO2 per passenger one-way. That's about the same as driving 145 km.

Is the return flight from Phuket to Koh Samui 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 Koh Samui to Phuket?

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 Samui for this flight?

1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.