Direct (nonstop) flights from Kunming to Sihanoukville

1 airline flys nonstop from Kunming Changshui International Airport (KMG) to Sihanoukville (KOS). It's 1,000 miles (1,609 km), about 2h 50m in the air. Operated by Ruili Airlines.

KMG
Kunming Changshui International Airport
🇨🇳 Kunming, China
KOS
Sihanoukville
🇰🇭 Sihanoukville, Cambodia
Flight Time
2h 50m
Distance
1,000 mi
1,609 km
CO₂/pax
169 kg
−42 kg vs. layover
Airlines
1
Ruili Airlines
Time Diff
-1h
Operated by Ruili Airlines Ruili Airlines

Route data last updated: May 29, 2026

Airlines with non-stop flights

Ruili Airlines DR Ruili Airlines
Route
KMG → KOS
Flight Time
2h 50m
Distance
1,000 mi

Alternative Routes

Other ways to fly from Kunming to Sihanoukville with one stop · direct emits 169 kg CO₂ per passenger

KMG SAI (Siem Reap) KOS
Leg 1: 2h 25m (811 mi) Leg 2: 1h 10m (195 mi) Total: ~3h 35m 🍃 211 kg CO₂ (+25% vs. direct)
Leg 1
KMG → SAI
2h 25m · 811 mi
View KMG to SAI flights →
Leg 2
SAI → KOS
1h 10m · 195 mi
View SAI to KOS flights →
KMG KTI (Phnom Penh) KOS
Leg 1: 3h (954 mi) Leg 2: 55m (102 mi) Total: ~3h 55m 🍃 205 kg CO₂ (+21% vs. direct)
Leg 1
KMG → KTI
3h · 954 mi
View KMG to KTI flights →
Leg 2
KTI → KOS
55m · 102 mi
View KTI to KOS flights →
KMG SGN (Ho Chi Minh City) KOS
Leg 1: 3h (1,012 mi) Leg 2: 1h 13m (206 mi) Total: ~4h 13m 🍃 234 kg CO₂ (+38% vs. direct)
Leg 1
KMG → SGN
3h · 1,012 mi
View KMG to SGN flights →
Leg 2
SGN → KOS
1h 13m · 206 mi
View SGN to KOS flights →
KMG SZX (Shenzhen) KOS
Leg 1: 2h 5m (708 mi) Leg 2: 2h 35m (1,068 mi) Total: ~4h 40m 🍃 336 kg CO₂ (+99% vs. direct)
Leg 1
KMG → SZX
2h 5m · 708 mi
View KMG to SZX flights →
Leg 2
SZX → KOS
2h 35m · 1,068 mi
View SZX to KOS flights →
KMG CAN (Guangzhou) KOS
Leg 1: 2h (664 mi) Leg 2: 3h 5m (1,087 mi) Total: ~5h 5m 🍃 332 kg CO₂ (+96% vs. direct)
Leg 1
KMG → CAN
2h · 664 mi
View KMG to CAN flights →
Leg 2
CAN → KOS
3h 5m · 1,087 mi
View CAN to KOS flights →

Frequently Asked Questions

How long is the direct flight from Kunming to Sihanoukville?

A nonstop flight from Kunming (KMG) to Sihanoukville (KOS) takes approximately 2 hours and 50 minutes. The distance is 1,000 miles (1,609 km).

Which airlines fly nonstop from Kunming to Sihanoukville?

Just Ruili Airlines.

Is there a nonstop flight from Kunming to Sihanoukville?

Yes. 1 airline: Ruili Airlines.

How far is Kunming from Sihanoukville?

The flight distance from Kunming to Sihanoukville is 1,000 miles (1,609 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 Kunming and Sihanoukville?

Sihanoukville is 1 hour ahead of Kunming. (Asia/Shanghai vs Asia/Phnom_Penh.)

What type of aircraft flies from Kunming to Sihanoukville?

At 2h 50m, 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 China to Cambodia?

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

What is the carbon footprint of a flight from Kunming to Sihanoukville?

Roughly 169 kg CO2 per passenger one-way. That's about the same as driving 845 km.

Is the return flight from Sihanoukville to Kunming 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 Kunming to Sihanoukville?

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 Kunming Changshui International Airport for this flight?

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