How do most travelers feel about Cathay Pacific?

The average rating from 1,456 Cathay Pacific reviews by Cheapflights users is 7.6 (out of a maximum rating of 10). If you are considering flying HKG-HAN with Cheapflights, apply your desired dates to the form above to see our best pricing for your trip to Hanoi with Cathay Pacific.

Can I get a flight from Hong Kong to Hanoi on Cathay Pacific for under HK$2,351?

Cathay Pacific offers 2 flights from Hong Kong to Hanoi for under HK$2,351. Prices vary by date and time. To see all prices and select your dates, click here.

What is the cheapest month to book a flight from Hong Kong to Hanoi with Cathay Pacific?

Currently, the most affordable month to book a Cathay Pacific flight from Hong Kong to Hanoi in November, with an average price of HK$2,328. Conversely, traveling with Cathay Pacific from Hong Kong to Hanoi in February will be the most expensive, with an average cost of HK$2,908. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.

Weekly Cathay Pacific flight availability from Hong Kong to Hanoi

The most Cathay Pacific flights from HKG to HAN are scheduled on a Monday (3 on average). You will have fewer Cathay Pacific flight options on Tuesday, which is when the least amount of flights are scheduled (1 on average).

In terms of precipitation, rainfall in Hanoi ranges from 14.0 - 296.0 inches per month. August is typically the wettest month, when rainfall can reach 296.0 mm. December is typically the driest time to visit Hanoi when rainfall is around 14.0 mm.

If weather is an important factor for your trip to Hanoi, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 17.0 C).

HK$1,497+ Cathay Pacific Flights from Hong Kong to Hanoi

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One-way

Cheapest Cathay Pacific flights from Hong Kong to Hanoi
Explore the most affordable Cathay Pacific flight options available from Hong Kong to Hanoi. Find the lowest fares with prices last updated on 25 August 2026.

Fri 11-916:55 -

Nonstop2h 15m

Mon 14-919:10 -

Nonstop2h 05m

Deal found 24-8HK$2,586

Wed 2-908:45 -

Nonstop2h 10m

Fri 4-919:10 -

Nonstop2h 05m

Deal found 22-8HK$2,884

How do most travelers feel about Cathay Pacific?
The average rating from 1,456 Cathay Pacific reviews by Cheapflights users is 7.6 (out of a maximum rating of 10). If you are considering flying HKG-HAN with Cheapflights, apply your desired dates to the form above to see our best pricing for your trip to Hanoi with Cathay Pacific.
Can I get a flight from Hong Kong to Hanoi on Cathay Pacific for under HK$2,351?
Cathay Pacific offers 2 flights from Hong Kong to Hanoi for under HK$2,351. Prices vary by date and time. To see all prices and select your dates, click here.

Cathay Pacific flights from Hong Kong to Hanoi in 2026

One-way from	HK$1,497
Return from	HK$2,586
Popular in	February
Cheapest in	January
Average price (all airlines)	HK$1,740

Cathay Pacific
21-9
Nonstop
2h 05m total
Hong Kong to Hanoi

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Cathay Pacific
11-9-14-9
Nonstop
4h 20m total
Hong Kong to Hanoi

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Highest demand for flights from Hong Kong Intl to Hanoi Noibai; 5% potential price increase.

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Best time to find cheap flights from Hong Kong Intl to Hanoi Noibai; 2% potential price drop.

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Average price for all Hong Kong Intl to Hanoi Noibai flights (one-way and round-trip).

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Prices

Airlines

For Economy class flights, the cheapest month to fly this route is November. The most expensive months are February and December.

Best time to book a flight from Hong Kong to Hanoi

Have a flexible travel schedule? Discover the best time to fly to Hanoi from Hong Kong with our price prediction graph.

HKG-HAN

Estimated return price

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Cathay Pacific

7.6

Good

1,456 reviews

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Cathay Pacific flights from Hong Kong to Hanoi (HKG - HAN)

Find Cathay Pacific flight deals from Hong Kong to Hanoi

Cheapest Cathay Pacific flights from Hong Kong to HanoiExplore the most affordable Cathay Pacific flight options available from Hong Kong to Hanoi. Find the lowest fares with prices last updated on 25 August 2026.

Explore the most affordable Cathay Pacific flight options available from Hong Kong to Hanoi. Find the lowest fares with prices last updated on 25 August 2026.

Best Cathay Pacific flights from Hong Kong to HanoiDiscover carefully curated Cathay Pacific flight deals from Hong Kong to Hanoi that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 25 August 2026.

Discover carefully curated Cathay Pacific flight deals from Hong Kong to Hanoi that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 25 August 2026.

Direct Cathay Pacific flights from Hong Kong to HanoiExplore direct Cathay Pacific flight options from Hong Kong to Hanoi based on user searches, and compare prices and availability for your desired travel dates. Data last updated 25 August 2026.

Explore direct Cathay Pacific flight options from Hong Kong to Hanoi based on user searches, and compare prices and availability for your desired travel dates. Data last updated 25 August 2026.

Last-minute Cathay Pacific flights from Hong Kong to HanoiDiscover last-minute Cathay Pacific flight deals from Hong Kong to Hanoi. Data last updated 25 August 2026 and is based on user searches.

Discover last-minute Cathay Pacific flight deals from Hong Kong to Hanoi. Data last updated 25 August 2026 and is based on user searches.

One-way Cathay Pacific flights to HanoiSearch for one-way Cathay Pacific flight options to Hanoi. Find affordable one-way fares based on user searches. Data last updated 25 August 2026.

Search for one-way Cathay Pacific flight options to Hanoi. Find affordable one-way fares based on user searches. Data last updated 25 August 2026.

How do most travelers feel about Cathay Pacific?

Can I get a flight from Hong Kong to Hanoi on Cathay Pacific for under HK$2,351?

Cathay Pacific flights from Hong Kong to Hanoi in 2026

One-way from

Return from

Popular in

Cheapest in

Average price (all airlines)

Which month is the cheapest to fly Economy class from Hong Kong to Hanoi?

For Economy class flights, the cheapest month to fly this route is November. The most expensive months are February and December.

Weekly Cathay Pacific flight availability from Hong Kong to Hanoi

The most Cathay Pacific flights from HKG to HAN are scheduled on a Monday (3 on average). You will have fewer Cathay Pacific flight options on Tuesday, which is when the least amount of flights are scheduled (1 on average).

Rainfall in Hanoi by month

In terms of precipitation, rainfall in Hanoi ranges from 14.0 - 296.0 inches per month. August is typically the wettest month, when rainfall can reach 296.0 mm. December is typically the driest time to visit Hanoi when rainfall is around 14.0 mm.

Temperature in Hanoi by month

Best time to book a flight from Hong Kong to Hanoi

Have a flexible travel schedule? Discover the best time to fly to Hanoi from Hong Kong with our price prediction graph.

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly from Hong Kong to Hanoi on another airline

Consider alternative airlines that service the Hanoi area. Flight routes are based on user searches made on Cheapflights and were last updated on 25 August 2026.

Other Cathay Pacific flights from Hong Kong

Browse through other Cathay Pacific flights departing from Hong Kong. Flight routes are based on user searches made on Cheapflights and were last updated on 25 August 2026.

Complete your trip

Complete your trip to Hanoi by adding a car hire and/or hotel booking to your travel itinerary.

Other airlines serving Hong Kong and Hanoi

Choose from other airlines serving Hong Kong and Hanoi.

Other popular destinations in Asia

If Hanoi is not for you, choose from these other destinations located in Asia. Flight routes are based on user searches made on Cheapflights and were last updated on 25 August 2026.

Popular flights from Cathay Pacific

Browse through some of the most popular routes that Cathay Pacific offers at this time. Flights are based on user searches made on Cheapflights and were last updated on 25 August 2026.

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Cheapest Cathay Pacific flights from Hong Kong to Hanoi
Explore the most affordable Cathay Pacific flight options available from Hong Kong to Hanoi. Find the lowest fares with prices last updated on 25 August 2026.

Best Cathay Pacific flights from Hong Kong to Hanoi
Discover carefully curated Cathay Pacific flight deals from Hong Kong to Hanoi that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 25 August 2026.

Direct Cathay Pacific flights from Hong Kong to Hanoi
Explore direct Cathay Pacific flight options from Hong Kong to Hanoi based on user searches, and compare prices and availability for your desired travel dates. Data last updated 25 August 2026.

Last-minute Cathay Pacific flights from Hong Kong to Hanoi
Discover last-minute Cathay Pacific flight deals from Hong Kong to Hanoi. Data last updated 25 August 2026 and is based on user searches.

One-way Cathay Pacific flights to Hanoi
Search for one-way Cathay Pacific flight options to Hanoi. Find affordable one-way fares based on user searches. Data last updated 25 August 2026.