$191 Find Cheap Flights from Hong Kong to Hanoi – Compare and Save

Among airlines operating Hong Kong to Hanoi flights:

• HK Express: offers free seat selection
• Cathay Pacific: offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

4 airlines operate flights between Hong Kong and Hanoi. The airlines offering direct flights on this route include:

• Cathay Pacific
• Vietnam Airlines
• HK Express
• Sun PhuQuoc Airways

Flights from Hong Kong to Hanoi usually depart from Hong Kong Intl (HKG) and arrive at Hanoi Noibai (HAN).

Here are some options for this route, based on selected ticket types and cabin classes:

• HK Express: a cabin bag and a checked bag in Economy class
• Vietnam Airlines: a cabin bag and a checked bag in Economy class
• Sun PhuQuoc Airways: a cabin bag and a checked bag in Economy class

Bag allowance can vary by ticket type, cabin class, route, and airline, so travellers should check the fare details before booking.

Only Economy class is available on flights from Hong Kong to Hanoi.

On this route, direct flights are cheaper than stopover options on average. Direct fares average $303 return, compared with $372 via a stopover through Manila Ninoy Aquino Intl (MNL).

There is no standard. Checked bag policies vary by airline on this route. Most carriers charge $28–$140 for the first checked bag in Economy. Premium fares and elite status bookings typically include a free checked bag.

The Airbus A321-100/200 family is used most often on this route, operated mainly by Vietnam Airlines and Cathay Pacific. Other aircraft seen on the route include Airbus A321neo variants.

Most connecting flights from Hong Kong to Hanoi pass through Manila Ninoy Aquino Intl (MNL), which handles 100% of one-stop traffic on this route. Other stopover airports each see under 5%.

On the Hong Kong to Hanoi route, being flexible with your departure day can save you up to 8%. Sunday is the cheapest day at $292 return on average, while Saturday is the most expensive at $317 – a $25 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Hong Kong to Hanoi route, 24% of flights were delayed in the past 3 months, with delays averaging 1 hour 49 minutes.

Afternoon is the busiest departure period on Hong Kong to Hanoi flights, with 60% leaving in that window. Morning departures account for 40%, Evening flights for 0%, and Night flights for 0%.

Hoan Kiem Lake is one of the most viewed places in Hanoi on KAYAK.

These are the earliest and latest flight times available from Hong Kong to Hanoi:

• Earliest: departs at 07:35 and lands at 09:47
• Latest: departs at 16:55 and lands at 19:07.

The flight takes about 2h 12m.

Last-minute fares on this route (booked within 2 weeks of departure) run 14% above the route average of $302. Book 15 weeks before departure for the lowest fares.

A direct flight from Hong Kong to Hanoi takes 2h 12m, covering 1,361 km.

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

One-way fares from Hong Kong to Hanoi are currently higher than usual. Average one-way flight prices are about $227, which is 29% above the typical average for this route.

HK Express is slightly above the route average for timely arrivals, while Hong Kong Airlines has a lower on-time arrival rate. On-time arrival rates on Hong Kong to Hanoi flights are:

• HK Express: 90% on time
• Hong Kong Airlines: 78% on time
• Cathay Pacific: 74% on time

On average, flights on this route are punctual 76% of the time.

Morning flights have the fewest delays on this route. Delays tend to pile up throughout the day as one late flight pushes the next, so earlier departures are usually more reliable.

Hanoi is 1 hour behind Hong Kong (Indochina Time vs Hong Kong Time). Plan for the time shift when scheduling connections or first-day activities.

Return flights from Hong Kong to Hanoi range from $233 to $400, with an average of $302 over the past 12 months. Anything below $233 counts as a good deal.