Direct (nonstop) flights from Siem Reap to Hanoi

2 airlines fly nonstop from Siem Reap-Ankor International Airport (SAI) to Noibai International (HAN). It's 549 miles (884 km), about 1h 45m in the air. Operated by VietJet Air, Vietnam Airlines.

SAI
Siem Reap-Ankor International Airport
🇰🇭 Siem Reap, Cambodia
HAN
Noibai International
🇻🇳 Hanoi, Viet Nam
Flight Time
1h 45m
Distance
549 mi
884 km
CO₂/pax
102 kg
−57 kg vs. layover
Airlines
2
VietJet Air +1
Time Diff
Same timezone
Operated by VietJet Air VietJet Air Vietnam Airlines Vietnam Airlines

Route data last updated: May 27, 2026

Airlines with non-stop flights

VietJet Air VJ VietJet Air
Route
SAI → HAN
Flight Time
1h 45m
Distance
549 mi
Vietnam Airlines VN Vietnam Airlines
Route
SAI → HAN
Flight Time
1h 45m
Distance
549 mi

Alternative Routes

Other ways to fly from Siem Reap to Hanoi with one stop · direct emits 102 kg CO₂ per passenger

SAI LPQ (Luang Prabang) HAN
Leg 1: 1h 25m (469 mi) Leg 2: 1h 5m (252 mi) Total: ~2h 30m 🍃 159 kg CO₂ (+56% vs. direct)
Leg 1
SAI → LPQ
1h 25m · 469 mi
View SAI to LPQ flights →
Leg 2
LPQ → HAN
1h 5m · 252 mi
View LPQ to HAN flights →
SAI KTI (Phnom Penh) HAN
Leg 1: 50m (145 mi) Leg 2: 1h 55m (680 mi) Total: ~2h 45m 🍃 178 kg CO₂ (+75% vs. direct)
Leg 1
SAI → KTI
50m · 145 mi
View SAI to KTI flights →
Leg 2
KTI → HAN
1h 55m · 680 mi
View KTI to HAN flights →
SAI DMK (Bangkok) HAN
Leg 1: 1h 10m (245 mi) Leg 2: 1h 50m (608 mi) Total: ~3h 🍃 182 kg CO₂ (+78% vs. direct)
Leg 1
SAI → DMK
1h 10m · 245 mi
View SAI to DMK flights →
Leg 2
DMK → HAN
1h 50m · 608 mi
View DMK to HAN flights →
SAI PQC (Phu Quoc) HAN
Leg 1: 1h 5m (220 mi) Leg 2: 2h 5m (769 mi) Total: ~3h 10m 🍃 208 kg CO₂ (+104% vs. direct)
Leg 1
SAI → PQC
1h 5m · 220 mi
View SAI to PQC flights →
Leg 2
PQC → HAN
2h 5m · 769 mi
View PQC to HAN flights →
SAI DAD (Da Nang) HAN
Leg 1: 1h 50m (324 mi) Leg 2: 1h 25m (388 mi) Total: ~3h 15m 🍃 157 kg CO₂ (+54% vs. direct)
Leg 1
SAI → DAD
1h 50m · 324 mi
View SAI to DAD flights →
Leg 2
DAD → HAN
1h 25m · 388 mi
View DAD to HAN flights →

Looking for the return flight?

HAN → SAI: Flights from Hanoi to Siem Reap

Frequently Asked Questions

How long is the direct flight from Siem Reap to Hanoi?

A nonstop flight from Siem Reap (SAI) to Hanoi (HAN) takes approximately 1 hours and 45 minutes. The distance is 549 miles (884 km).

Which airlines fly nonstop from Siem Reap to Hanoi?

2 airlines: VietJet Air, Vietnam Airlines.

Is there a nonstop flight from Siem Reap to Hanoi?

Yes. 2 airlines: VietJet Air, Vietnam Airlines.

How far is Siem Reap from Hanoi?

The flight distance from Siem Reap to Hanoi is 549 miles (884 km), measured as the great-circle (shortest air) distance.

What type of aircraft flies from Siem Reap to Hanoi?

At 1h 45m, this route typically uses narrow-body aircraft — Boeing 737 or Airbus A320. Varies by airline.

Do I need a visa to travel from Cambodia to Viet Nam?

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

What is the carbon footprint of a flight from Siem Reap to Hanoi?

Roughly 102 kg CO2 per passenger one-way. That's about the same as driving 510 km.

Is the return flight from Hanoi to Siem Reap 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 Siem Reap to Hanoi?

Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. For long-haul, booking 2-3 months out tends to help. Use "Check Prices" above to compare.

How early should I arrive at Siem Reap-Ankor International Airport for this flight?

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