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HK$628+ Cheap flights to Seoul

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11-8. Fares are subject to change and may not be available on all flights or dates of travel.
— SEL
18 Jul — 25 Jul1
1 adult

Flights to Seoul in 2025

Find the latest flights to Seoul in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 70,647 searches and data was last updated on 13 July 2025.

Return from

HK$1,122

One-way from

HK$628

Popular in

December

Cheapest in

March

Average price

HK$1,633

Good round-trip deal

HK$1,332 or less

Good one-way deal

HK$878 or less
HK Express
  • HK Express
  • 5-8-7-8
  • Nonstop
  • 7h 20m total
  • Hong Kong to Seoul
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HK Express
  • HK Express
  • 11-8
  • Nonstop
  • 3h 35m total
  • Hong Kong to Seoul
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Highest demand for flights based on searches. 11% potential increase in price (HK$1,557 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (HK$390 potential savings vs. average return price).
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Average for return flights in July 2025
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Price to beat on a round-trip flight from Hong Kong Intl to Seoul.
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Price to beat on a one-way flight from Hong Kong Intl to Seoul.
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Find flight deals to Seoul

Cheapest flights to Seoul
Explore the most affordable flight options available to Seoul. Find the lowest fares based on data from user searches, with prices last updated on 13 July 2025.

Tue 5-821:05HKG - ICN
Nonstop3h 35mHK Express
Thu 7-820:50ICN - HKG
Nonstop3h 45mHK Express
Deal found 12-7HK$1,122
Tue 15-713:35HKG - ICN
Nonstop3h 40mMultiple Airlines
Sat 19-722:30ICN - HKG
Nonstop3h 50mMultiple Airlines
Deal found 12-7HK$1,279
Sun 27-700:40HKG - ICN
Nonstop3h 50mT'way Air
Wed 6-820:05ICN - HKG
Nonstop4h 10mT'way Air
Deal found 12-7HK$1,429
Tue 9-902:20HKG - GMP
1 stop6h 25mMultiple Airlines
Sat 13-919:10GMP - HKG
1 stop15h 50mMultiple Airlines
Deal found 11-7HK$1,696
Mon 1-920:05HKG - GMP
1 stop13h 55mChina Eastern
Wed 10-912:00GMP - HKG
1 stop10h 05mChina Eastern
Deal found 12-7HK$1,892
Tue 22-703:00HKG - GMP
1 stop8h 20mPeach
Mon 28-713:05GMP - HKG
1 stop11h 50mPeach
Deal found 12-7HK$2,017

Cheapflights Fare Finder

Locate flights to Seoul that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 70,647 searches and data was last updated on 13 July 2025.
Use the filters below to find and compare flights to Seoul that are best for you.

Fly from

Hong Kong

Route

Departure

Return

Price

Hong KongIncheon

HKG - ICN

HKGICN

Hong Kong Intl

Tue 5-8

21:05-01:40

Nonstop3h 35m

Incheon Intl

Thu 7-8

20:50-23:35

Nonstop3h 45m

HK$1,122

Hong KongIncheon

HKG - ICN

HKGICN

Hong Kong Intl

Fri 26-9

13:30-18:10

Nonstop3h 40m

Incheon Intl

Mon 29-9

02:35-05:20

Nonstop3h 45m

HK$1,287

Hong KongSeoul

HKG - GMP

HKGGMP

Hong Kong Intl

Tue 9-9

02:20-09:45

1 stop6h 25m

Seoul Gimpo Intl

Sat 13-9

19:10-10:00

1 stop15h 50m

HK$1,696

Hong KongSeoul

HKG - GMP

HKGGMP

Hong Kong Intl

Mon 1-9

20:05-11:00

1 stop13h 55m

Seoul Gimpo Intl

Wed 10-9

12:00-21:05

1 stop10h 05m

HK$1,892

Hong KongIncheon

HKG - ICN

HKGICN

Hong Kong Intl

Mon 11-8

21:05-01:40

Nonstop3h 35m

HK$628

Hong KongIncheon

HKG - ICN

HKGICN

Hong Kong Intl

Mon 21-7

00:40-05:30

Nonstop3h 50m

HK$746

Hong KongSeoul

HKG - GMP

HKGGMP

Hong Kong Intl

Mon 8-9

02:20-09:10

2 stops29h 50m

HK$840

Hong KongIncheon

HKG - ICN

HKGICN

Hong Kong Intl

Fri 26-9

13:30-18:10

Nonstop3h 40m

HK$871

Hong KongIncheon

HKG - ICN

HKGICN

Hong Kong Intl

Fri 18-7

13:35-18:15

Nonstop3h 40m

HK$934

Hong KongSeoul

HKG - GMP

HKGGMP

Hong Kong Intl

Mon 21-7

03:00-12:20

1 stop8h 20m

HK$958

Flights are sorted by cheapest return flights first.

Deals found on 11-7

Showing 1-10 of 11 results
1
2

Best time to book a flight to Seoul

Have a flexible travel schedule? Discover the best time to fly to Seoul 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.

Cheapflights Insights

Everything you need to know about your flight to Seoul

When is the best time to book a flight to Seoul?

Use this chart to determine the optimal time to book a return flight from Hong Kong to Seoul. Price data was last updated on 11 July 2025.

To ensure you get the cheapest price possible for a flight to Seoul, you should look to book at least 85 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

How long is the flight to Seoul?

On average, a flight from Hong Kong to Seoul takes 5 hours 12 minutes. Flights to Seoul from other popular cities in Hong Kong will vary in length. Below are a few examples of popular routes and their flight times.

When is the cheapest time to fly to Seoul?

Use this chart to determine the cheapest time to fly return from Hong Kong to Seoul. Price data was last updated on 16 December 2024.

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

Weekly flight availability to Seoul

The most flights from Hong Kong to Seoul are scheduled on a Friday (39 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (24 on average).

What are the most popular airlines that fly to Seoul?

The most popular airlines flying from Hong Kong to Seoul are HK Express, Hong Kong Airlines and Jeju Air.

HK Express
HK Express
From HK$124
Hong Kong Airlines
Hong Kong Airlines
From HK$141
Jeju Air
Jeju Air
From HK$113
Cathay Pacific
Cathay Pacific
From HK$258

What are the cheapest airlines that fly to Seoul?

The cheapest airlines flying from Hong Kong to Seoul are T'way Air, AIR PREMIA and Jeju Air.

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 mm 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).

Reviews of airlines servicing Seoul

Get insights into the airlines that provide service to Seoul. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seoul. Reviews last updated 13 July 2025.
Read through reviews of airlines serving South Korea, such as AIR PREMIA, China Eastern, andPeach. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
AIR PREMIA
8.2
Very Good
Check prices

Entertainment

6.7

Boarding

7.9

Crew

8.8

Overall

8.2

Comfort

8.3

Food

7.2

Reviews

1 / 5
2.0
Mediocre

Anonymous,Aug 2024

BKK - ICN

They cancel themselves without any agreement. and they ruined my travel plan all of my next schedule.
AIR PREMIA
8.2
Very Good
AIR PREMIA
8.2
Very Good
Check prices

Entertainment

6.7

Boarding

7.9

Crew

8.8

Overall

8.2

Comfort

8.3

Food

7.2

Reviews

1 / 5
2.0
Mediocre

Anonymous,Aug 2024

BKK - ICN

They cancel themselves without any agreement. and they ruined my travel plan all of my next schedule.
China Eastern
7.2
Good
151 reviews
AIR PREMIA
8.2
Very Good
Check prices

Entertainment

6.7

Boarding

7.9

Crew

8.8

Overall

8.2

Comfort

8.3

Food

7.2

Reviews

1 / 5
2.0
Mediocre

Anonymous,Aug 2024

BKK - ICN

They cancel themselves without any agreement. and they ruined my travel plan all of my next schedule.
Peach
6.7
Okay
83 reviews
AIR PREMIA
8.2
Very Good
Check prices

Entertainment

6.7

Boarding

7.9

Crew

8.8

Overall

8.2

Comfort

8.3

Food

7.2

Reviews

1 / 5
2.0
Mediocre

Anonymous,Aug 2024

BKK - ICN

They cancel themselves without any agreement. and they ruined my travel plan all of my next schedule.

FAQs about flying to Seoul

  • Can I find cheaper flights to Seoul 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 Seoul on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to Seoul?

    Based on reviews from Cheapflights users, T'way Air is rated the highest out of the airlines that fly to Seoul.

  • What is the cheapest airport to fly to in Seoul?

    Seoul Gimpo Intl is currently the cheapest airport to fly to in Seoul. One-way flights to Seoul Gimpo Intl typically cost HK$130, while return flights cost around HK$869.

  • How much is a return flight to Seoul?

    A return flight to Seoul will typically cost around HK$328, however they can be found for as little as HK$111.

  • Where does the fastest flight to Seoul depart from?

    For those looking to save time traveling to Seoul, Hong Kong Intl offers the quickest one-way flight (3 hours 30 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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