HK$847+ Cheap flights to South Korea

— ICN
10 Oct — 17 Oct1
1 adult
1 adult, Economy, 0 bags

Flights to South Korea in 2026

Enter your travel dates to find the best prices.

Cheapest flights to South Korea

Thu 10-902:10 -
Nonstop3h 30m
Sun 13-907:25 -
Nonstop3h 35m
Deal found 4-9HK$1,435
Sun 6-902:10 -
Nonstop3h 30m
Wed 9-907:25 -
Nonstop3h 35m
Deal found 4-9HK$1,443
Thu 10-902:10 -
Nonstop3h 30m
Fri 18-907:25 -
Nonstop3h 35m
Deal found 4-9HK$1,459
Sun 20-900:35 -
Nonstop3h 55m
Fri 25-920:40 -
Nonstop3h 55m
Deal found 5-9HK$1,506
Fri 18-913:15 -
Nonstop3h 50m
Sat 19-908:45 -
Nonstop4h 10m
Deal found 5-9HK$1,513
Mon 14-913:15 -
Nonstop3h 50m
Sun 20-908:45 -
Nonstop4h 10m
Deal found 5-9HK$1,521

Find flights to South Korea

Explore South Korea

Find flight deals to South Korea

Return from

HK$1,506

One-way from

HK$769

Popular in

December

Cheapest in

March

Average price

HK$1,764

Good round-trip deal

HK$1,512 or less

Good one-way deal

HK$814 or less
Jeju Air
  • Jeju Air
  • 20-9-25-9
  • Nonstop
  • 7h 50m total
  • Hong Kong to Seoul
泰瑞航空
  • 泰瑞航空
  • 19-9-31-12
  • Nonstop
  • 3h 30m total
  • Hong Kong to South Korea
Highest demand for flights based on searches. 2% potential increase in price (HK$48 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (HK$53 potential savings vs. average return price).
Average for return flights in September 2026
Price to beat on a round-trip flight from Hong Kong Intl to South Korea.
Price to beat on a one-way flight from Hong Kong Intl to South Korea.

Cheapflights Fare Finder

 
Use the filters below to find and compare flights to South Korea that are best for you.

Fly from

Route

Departure

Return

Price

Cheapest return flight
Fastest return journey

Hong KongJeju City

HKG Hong Kong Intl - CJU Jeju City

HKGCJU

Hong Kong Intl

Tue 13-10

02:00-06:05

Nonstop3h 05m

Jeju City

Wed 31-12

00:00-23:00

Nonstop0h 00m

HK$1,019

Hong KongSeoul

HKG Hong Kong Intl - GMP Seoul Gimpo Intl

HKGGMP

Hong Kong Intl

Tue 26-1

02:55-10:20

1 stop6h 25m

Seoul Gimpo Intl

Wed 31-12

00:00-23:00

Nonstop0h 00m

HK$1,310

Hong KongSeoul

HKG Hong Kong Intl - GMP Seoul Gimpo Intl

HKGGMP

Hong Kong Intl

Tue 26-1

02:55-10:20

1 stop6h 25m

Seoul Gimpo Intl

Wed 31-12

00:00-23:00

Nonstop0h 00m

HK$1,310

Hong KongJeju City

HKG Hong Kong Intl - CJU Jeju City

HKGCJU

Hong Kong Intl

Fri 20-11

15:25-19:10

Nonstop2h 45m

Jeju City

Mon 23-11

07:45-10:15

Nonstop3h 30m

HK$1,772

Hong KongJeju City

HKG Hong Kong Intl - CJU Jeju City

HKGCJU

Hong Kong Intl

Sun 20-9

02:00-06:05

Nonstop3h 05m

Jeju City

Fri 25-9

21:30-23:35

Nonstop3h 05m

HK$1,819

Hong KongJeju City

HKG Hong Kong Intl - CJU Jeju City

HKGCJU

Hong Kong Intl

Wed 21-10

02:30-06:30

Nonstop3h 00m

Jeju City

Tue 27-10

20:00-22:30

Nonstop3h 30m

HK$1,913

Hong KongJeju City

HKG Hong Kong Intl - CJU Jeju City

HKGCJU

Hong Kong Intl

Mon 21-9

01:50-08:55

1 stop6h 05m

Jeju City

Fri 25-9

07:30-09:40

Nonstop3h 10m

HK$1,945

Hong KongIncheon

HKG Hong Kong Intl - ICN Incheon Intl

HKGICN

Hong Kong Intl

Sun 25-10

07:30-15:05

1 stop6h 35m

Incheon Intl

Sun 1-11

19:55-13:40

1 stop18h 45m

HK$2,031

Hong KongDaegu

HKG Hong Kong Intl - TAE Daegu

HKGTAE

Hong Kong Intl

Sat 19-9

22:05-11:00

1 stop11h 55m

Daegu

Tue 22-9

12:00-14:05

1 stop27h 05m

HK$2,031

Hong KongDaegu

HKG Hong Kong Intl - TAE Daegu

HKGTAE

Hong Kong Intl

Fri 30-10

12:30-11:00

1 stop21h 30m

Daegu

Tue 3-11

12:00-14:25

1 stop27h 25m

HK$2,055

Flights are sorted by cheapest return flights first.

Deals found on 6-9

Showing 1-10 of 33 resultsSorted by cheapest first
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Best time to book a flight to South Korea

Have a flexible travel schedule? Discover the best time to fly to South Korea with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight to South Korea

How long is the flight to South Korea?

On average, a flight from Hong Kong to South Korea takes 5 hours 39 minutes. Flights to South Korea from other popular cities in Hong Kong will vary in length. Below are a few examples of popular routes and their flight times.

Weekly flight availability to South Korea

The most flights from Hong Kong to South Korea are scheduled on a Tuesday (41 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (27 on average).

What are the cheapest airlines that fly to South Korea?

The cheapest airlines flying from Hong Kong to South Korea are Air Busan, 泰瑞航空 and Eastar Jet.

Rainfall in South Korea by month

In terms of precipitation, rainfall in South Korea ranges from 20.0 - 260.0 mm per month. July is typically the wettest month, when rainfall can reach 260.0 mm. January is typically the driest time to visit South Korea when rainfall is around 20.0 mm.

Temperature in South Korea by month

If weather is an important factor for your trip to South Korea, 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).

When is the best time to book a flight to South Korea?

Booking 13 days in advance of your planned departure date is, on average, the best time to get cheap flights to South Korea. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

When is the cheapest time to fly to South Korea?

Users looking for the lowest fares to South Korea should consider flying on Saturday evenings, when prices are typically cheapest. Budget-minded travellers will want to avoid Sunday at midday, when prices are usually at their highest.

What are the most popular places to fly to in South Korea?

The most popular places in South Korea to fly to are Seoul, Incheon, Busan and Jeju City.

Reviews of airlines servicing South Korea

See what other customers who have flown with Asiana Airlines,Cathay Pacific, andJeju Air to South Korea have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

8.0

Crew

8.4

Overall

8.1

Food

8.0

Boarding

8.3

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

SFO - ICN

Crew does their job without pleasantness. Could be cultural. Chinese airlines are the same. Our connecting flight to Bangkok on an Airbus A321 was miserable in economy. No leg room, again awful food.

Comfort

8.0

Crew

8.4

Overall

8.1

Food

8.0

Boarding

8.3

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

SFO - ICN

Crew does their job without pleasantness. Could be cultural. Chinese airlines are the same. Our connecting flight to Bangkok on an Airbus A321 was miserable in economy. No leg room, again awful food.

Comfort

8.0

Crew

8.4

Overall

8.1

Food

8.0

Boarding

8.3

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

SFO - ICN

Crew does their job without pleasantness. Could be cultural. Chinese airlines are the same. Our connecting flight to Bangkok on an Airbus A321 was miserable in economy. No leg room, again awful food.

Comfort

8.0

Crew

8.4

Overall

8.1

Food

8.0

Boarding

8.3

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

SFO - ICN

Crew does their job without pleasantness. Could be cultural. Chinese airlines are the same. Our connecting flight to Bangkok on an Airbus A321 was miserable in economy. No leg room, again awful food.

Comfort

8.0

Crew

8.4

Overall

8.1

Food

8.0

Boarding

8.3

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

SFO - ICN

Crew does their job without pleasantness. Could be cultural. Chinese airlines are the same. Our connecting flight to Bangkok on an Airbus A321 was miserable in economy. No leg room, again awful food.

FAQs about flying to South Korea

  • Can I find cheaper flights to South Korea if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to South Korea on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to South Korea?

    Based on reviews from Cheapflights users, 泰瑞航空 is rated the highest out of the airlines that fly to South Korea.

  • What is the cheapest airport to fly to in South Korea?

    Jeju City is currently the cheapest airport to fly to in South Korea. One-way flights to Jeju City typically cost HK$148, while return flights cost around HK$130.

  • How much is a return flight to South Korea?

    A return flight to South Korea will typically cost around HK$1,757, however they can be found for as little as HK$896.

  • Where does the fastest flight to South Korea depart from?

    For those looking to save time traveling to South Korea, Hong Kong Intl offers the quickest one-way flight (2 hours 45 minutes).

  • Does Incheon Intl have rental cars?

    Yes. Those touching down at Incheon Intl can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to Incheon Intl?

    Yes. Incheon Intl has hotels nearby for those requiring accommodations. Darakhyu Incheon Airport Terminal 2 Capsule Hotel by Walkerhill is the closest property to Incheon Intl (0.0 km away from Incheon Intl).

See more FAQs

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