Direct (nonstop) flights from Hong Kong to Hanoi

4 airlines fly nonstop from Hong Kong International Airport (HKG) to Noibai International (HAN). It's 528 miles (849 km), about 2h 10m in the air. Operated by Cathay Pacific, Hong Kong Airlines, HK Express and others.

HKG
Hong Kong International Airport
🇭🇰 Hong Kong, Hong Kong SAR
HAN
Noibai International
🇻🇳 Hanoi, Viet Nam
Flight Time
2h 10m
Distance
528 mi
849 km
CO₂/pax
98 kg
−36 kg vs. layover
Airlines
4
Cathay Pacific +3
Time Diff
-1h
Operated by Cathay Pacific Cathay Pacific Hong Kong Airlines Hong Kong Airlines HK Express HK Express Vietnam Airlines Vietnam Airlines

Route data last updated: May 26, 2026

Airlines with non-stop flights

Cathay Pacific CX Cathay Pacific
Route
HKG → HAN
Flight Time
2h 10m
Distance
528 mi
Hong Kong Airlines HX Hong Kong Airlines
Route
HKG → HAN
Flight Time
2h 10m
Distance
528 mi
HK Express UO HK Express
Route
HKG → HAN
Flight Time
2h 10m
Distance
528 mi
Vietnam Airlines VN Vietnam Airlines
Route
HKG → HAN
Flight Time
2h 10m
Distance
528 mi

Alternative Routes

Other ways to fly from Hong Kong to Hanoi with one stop · direct emits 98 kg CO₂ per passenger

HKG HAK (Haikou) HAN
Leg 1: 1h 30m (278 mi) Leg 2: 1h 33m (314 mi) Total: ~3h 3m 🍃 134 kg CO₂ (+37% vs. direct)
Leg 1
HKG → HAK
1h 30m · 278 mi
View HKG to HAK flights →
Leg 2
HAK → HAN
1h 33m · 314 mi
View HAK to HAN flights →
HKG CAN (Guangzhou) HAN
Leg 1: 1h 5m (84 mi) Leg 2: 2h 10m (502 mi) Total: ~3h 15m 🍃 134 kg CO₂ (+37% vs. direct)
Leg 1
HKG → CAN
1h 5m · 84 mi
View HKG to CAN flights →
Leg 2
CAN → HAN
2h 10m · 502 mi
View CAN to HAN flights →
HKG DAD (Da Nang) HAN
Leg 1: 1h 55m (570 mi) Leg 2: 1h 25m (388 mi) Total: ~3h 20m 🍃 203 kg CO₂ (+107% vs. direct)
Leg 1
HKG → DAD
1h 55m · 570 mi
View HKG to DAD flights →
Leg 2
DAD → HAN
1h 25m · 388 mi
View DAD to HAN flights →
HKG VTE (Vientiane) HAN
Leg 1: 2h 30m (796 mi) Leg 2: 1h 10m (306 mi) Total: ~3h 40m 🍃 229 kg CO₂ (+134% vs. direct)
Leg 1
HKG → VTE
2h 30m · 796 mi
View HKG to VTE flights →
Leg 2
VTE → HAN
1h 10m · 306 mi
View VTE to HAN flights →
HKG KWE (Guiyang) HAN
Leg 1: 2h 5m (536 mi) Leg 2: 1h 40m (372 mi) Total: ~3h 45m 🍃 193 kg CO₂ (+97% vs. direct)
Leg 1
HKG → KWE
2h 5m · 536 mi
View HKG to KWE flights →
Leg 2
KWE → HAN
1h 40m · 372 mi
View KWE to HAN flights →

Looking for the return flight?

HAN → HKG: Flights from Hanoi to Hong Kong

Frequently Asked Questions

How long is the direct flight from Hong Kong to Hanoi?

A nonstop flight from Hong Kong (HKG) to Hanoi (HAN) takes approximately 2 hours and 10 minutes. The distance is 528 miles (849 km).

Which airlines fly nonstop from Hong Kong to Hanoi?

4 airlines: Cathay Pacific, Hong Kong Airlines, HK Express, Vietnam Airlines.

Is there a nonstop flight from Hong Kong to Hanoi?

Yes. 4 airlines: Cathay Pacific, Hong Kong Airlines, HK Express, Vietnam Airlines.

How far is Hong Kong from Hanoi?

The flight distance from Hong Kong to Hanoi is 528 miles (849 km), measured as the great-circle (shortest air) distance.

What is the time difference between Hong Kong and Hanoi?

Hanoi is 1 hour behind Hong Kong. (Asia/Hong_Kong vs Asia/Ho_Chi_Minh.)

What type of aircraft flies from Hong Kong to Hanoi?

At 2h 10m, 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 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 Hong Kong to Hanoi?

Roughly 98 kg CO2 per passenger one-way. That's about the same as driving 490 km.

Is the return flight from Hanoi 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 Hanoi?

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.