Cathay Pacific flights from Hong Kong to Seoul (HKG - SEL)

HKG — SEL
8 Dec — 15 Dec1
1 adult
1 adult, Economy, 0 bags

Cheapflights users flying from Hong Kong to Seoul on Cathay Pacific typically fly into Incheon Intl and depart from Hong Kong Intl. Select your dates above for pricing.

Cathay Pacific flights from Hong Kong to Seoul in 2025

Find detailed information about Cathay Pacific flights from Hong Kong to Seoul. Explore the options provided by Cathay Pacific to plan your journey from Hong Kong to Seoul. Data last updated 8 November 2025.

One-way from

HK$1,275

Return from

HK$2,566

Popular in

December

Cheapest in

September

Average price (all airlines)

HK$1,555
Cathay Pacific
  • Cathay Pacific
  • 17-11
  • Nonstop
  • 3h 35m total
  • Hong Kong to Seoul
Cathay Pacific
  • Cathay Pacific
  • 17-12-22-12
  • Nonstop
  • 7h 50m total
  • Hong Kong to Seoul
Highest demand for flights from Hong Kong Intl to Seoul; 7% potential price increase.
Best time to find cheap flights from Hong Kong Intl to Seoul; 3% potential price drop.
Average price for all Hong Kong Intl to Seoul flights (one-way and round-trip).
  • Can I get a flight from Hong Kong to Seoul on Cathay Pacific for under HK$1,555?

    Hong Kong to Seoul flights on Cathay Pacific are currently available under HK$1,555. 1 flights have been found by Cheapflights users under that amount. To find flights for your dates, click here.

Find Cathay Pacific flight deals from Hong Kong to Seoul

Enter your travel dates to find the best prices.

Cheapest Cathay Pacific flights from Hong Kong to Seoul
Explore the most affordable Cathay Pacific flight options available from Hong Kong to Seoul. Find the lowest fares with prices last updated on 8 November 2025.

Thu 13-1109:20HKG - ICN
Nonstop3h 35mCathay Pacific
Mon 17-1115:00ICN - HKG
Nonstop4h 10mCathay Pacific
Deal found 6-11HK$2,372
Wed 17-1209:20HKG - ICN
Nonstop3h 35mCathay Pacific
Mon 22-1213:45ICN - HKG
Nonstop4h 15mCathay Pacific
Deal found 6-11HK$2,566
Sat 29-1109:20HKG - ICN
Nonstop3h 35mCathay Pacific
Tue 2-1213:45ICN - HKG
Nonstop4h 15mCathay Pacific
Deal found 6-11HK$2,691

Travel insights for Cathay Pacific flights from Hong Kong to Seoul

Get recent, data-driven insights about Cathay Pacific flights from Hong Kong to Seoul including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Hong Kong to Seoul with Cathay Pacific?

Use this chart to determine the optimal time to book a return flight from Hong Kong to Seoul. Price data was last updated on 7 November 2025.

Booking with Cathay Pacific 53 days in advance of your planned departure date is, on average, the best time to get cheap flights from Hong Kong to Seoul. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, the most affordable month to book a Cathay Pacific flight from Hong Kong to Seoul in May, with an average price of HK$653. Conversely, traveling with Cathay Pacific from Hong Kong to Seoul in September will be the most expensive, with an average cost of HK$2,170. 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 Seoul

The most Cathay Pacific flights from HKG to SEL are scheduled on a Saturday (6 on average). You will have fewer Cathay Pacific flight options on Monday, which is when the least amount of flights are scheduled (4 on average).

Rainfall in Seoul by month

Plan your trip to Seoul by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seoul ranges from 27.0 - 253.0 inches per month. July is typically the wettest month, when rainfall can reach 253.0 mm. December is typically the driest time to visit Seoul when rainfall is around 27.0 mm.

Temperature in Seoul by month

Plan your trip to Seoul by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seoul, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 25.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 2.0 C).

Best time to book a flight from Hong Kong to Seoul

Have a flexible travel schedule? Discover the best time to fly to Seoul from Hong Kong with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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Fly from Hong Kong to Seoul on another airline

Consider alternative airlines that service the Seoul area. Flight routes are based on user searches made on Cheapflights and were last updated on 8 November 2025.

See what others are saying about Cathay Pacific

Read reviews and see what other travellers are saying about their experiences with Cathay Pacific. Get insights from real passengers regarding the airline's services, customer satisfaction, and overall travel experience. Use these reviews to inform your decision when choosing Cathay Pacific for your next flight. Reviews last updated 8 November 2025.
Cathay Pacific
7.6
Good
1,055 reviews
Overview

Crew

8.1

Comfort

7.6

Entertainment

7.8

Boarding

7.9

Food

7.3

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