$79 Find Cheap Flights from Hanoi to Hong Kong - Compare and Save

Among airlines operating Hanoi to Hong Kong flights:

• Cathay Pacific: offers free seat selection

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

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

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

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

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
• Cathay Pacific: a cabin bag and a checked bag in Economy Class

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

Three cabin classes are available on flights from Hanoi to Hong Kong:

• Economy Class
• Premium Economy Class
• Business Class

On this route, nonstop flights are cheaper than layover options on average. Nonstop fares average $188 round-trip, compared to $295 via a layover through Ho Chi Minh City (SGN).

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $34–$100 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 Hanoi to Hong Kong pass through Ho Chi Minh City (SGN), which handles 100% of one-stop traffic on this route. Other layover airports each see under 5%.

Yes. Being flexible with your travel dates can save you up to 21% on the Hanoi to Hong Kong route. Tuesday is the cheapest departure day at $167 round-trip on average, while Saturday is the most expensive at $209, a difference of $42. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

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 Hanoi to Hong Kong route, 19% of flights were delayed in the past 3 months, with delays averaging 1 hour 55 minutes.

Morning is the busiest departure period on Hanoi to Hong Kong flights, with 80% of flights leaving in that window. Evening departures account for 20%, afternoon flights for 0%, and night flights for 0%.

Some of the most popular sights in Hong Kong are Hong Kong Convention and Exhibition Centre, China Hong Kong City Shopping Mall Kowloon and Tsim Sha Tsui Station. These are among the most viewed places in Hong Kong on KAYAK.

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

• Earliest: departs at 9:15 am and lands at 11:14 am
• Latest: departs at 7:25 pm and lands at 9:24 pm.

The flight takes about 1h 59m.

Last-minute fares on this route - booked within 2 weeks of departure - run 9% above the route average of $188. Book 25 weeks before departure for the lowest fares.

A nonstop flight from Hanoi to Hong Kong takes 1h 59m, covering 525 miles.

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 Hanoi to Hong Kong are currently in line with typical prices for this route. Average one-way fares are about $108.

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

• HK Express: 90% on time
• Vietnam Airlines: 85% on time
• Hong Kong Airlines: 81% on time

Overall, flights on this route are on time 81% of the time on average.

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.

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

Round-trip flights from Hanoi to Hong Kong range from $148 to $227, with an average of $188 over the past 12 months. Anything below $148 counts as a good deal.