HK$732+ 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 3-10. Fares are subject to change and may not be available on all flights or dates of travel.
— SEL
2 Sep — 9 Sep1
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 28 August 2025.

Return from

HK$1,214

One-way from

HK$747

Popular in

December

Cheapest in

September

Average price

HK$1,588

Good round-trip deal

HK$1,416 or less

Good one-way deal

HK$1,017 or less
HK Express
  • HK Express
  • 4-10-13-10
  • Nonstop
  • 7h 25m total
  • Hong Kong to Seoul
HK Express
  • HK Express
  • 5-9
  • Nonstop
  • 3h 40m total
  • Hong Kong to Seoul
Highest demand for flights based on searches. 9% potential increase in price (HK$1,216 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (HK$403 potential savings vs. average return price).
Average for return flights in August 2025
Price to beat on a round-trip flight from Hong Kong Intl to Seoul.
Price to beat on a one-way flight from Hong Kong Intl to Seoul.

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 28 August 2025.

Fri 19-916:55HKG - ICN
Nonstop3h 40mHK Express
Thu 25-912:45ICN - HKG
Nonstop3h 50mHK Express
Deal found 24-8HK$1,207
Sat 4-1021:05HKG - ICN
Nonstop3h 35mHK Express
Mon 13-1022:30ICN - HKG
Nonstop3h 50mHK Express
Deal found 26-8HK$1,214
Fri 19-916:55HKG - ICN
Nonstop3h 40mHK Express
Mon 22-912:45ICN - HKG
Nonstop3h 50mHK Express
Deal found 25-8HK$1,222
Fri 26-916:55HKG - ICN
Nonstop3h 40mHK Express
Mon 29-902:35ICN - HKG
Nonstop3h 45mHK Express
Deal found 27-8HK$1,230
Sun 26-1021:05HKG - ICN
Nonstop3h 30mHK Express
Fri 31-1012:25ICN - HKG
Nonstop4h 10mHK Express
Deal found 27-8HK$1,238
Wed 3-900:40HKG - ICN
Nonstop3h 50mMultiple Airlines
Mon 8-909:05ICN - HKG
Nonstop3h 55mMultiple Airlines
Deal found 25-8HK$1,245
Wed 3-900:40HKG - ICN
Nonstop3h 50mMultiple Airlines
Tue 9-909:45ICN - HKG
Nonstop3h 50mMultiple Airlines
Deal found 27-8HK$1,253
Fri 5-910:15HKG - ICN
1 stop9h 30mMultiple Airlines
Wed 10-909:05ICN - HKG
Nonstop3h 55mMultiple Airlines
Deal found 27-8HK$1,261
Sun 7-907:15HKG - ICN
Nonstop3h 35mHK Express
Fri 12-922:30ICN - HKG
Nonstop3h 50mHK Express
Deal found 27-8HK$1,269
Sat 30-800:40HKG - ICN
Nonstop3h 50mMultiple Airlines
Fri 5-912:45ICN - HKG
Nonstop3h 50mMultiple Airlines
Deal found 25-8HK$1,277
Sun 31-816:55HKG - ICN
Nonstop3h 40mHK Express
Mon 8-912:45ICN - HKG
Nonstop3h 50mHK Express
Deal found 27-8HK$1,284
Mon 1-900:40HKG - ICN
Nonstop3h 50mMultiple Airlines
Sun 7-909:05ICN - HKG
Nonstop3h 55mMultiple Airlines
Deal found 25-8HK$1,292

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 28 August 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

Wed 10-9

07:15-11:50

Nonstop3h 35m

Incheon Intl

Sun 14-9

09:05-12:00

Nonstop3h 55m

HK$1,230

Hong KongIncheon

HKG - ICN

HKGICN

Hong Kong Intl

Sat 25-10

16:55-21:35

Nonstop3h 40m

Incheon Intl

Mon 27-10

02:20-05:30

Nonstop4h 10m

HK$1,230

Hong KongIncheon

HKG - ICN

HKGICN

Hong Kong Intl

Fri 3-10

07:15-11:50

Nonstop3h 35m

Incheon Intl

Sun 12-10

02:35-05:20

Nonstop3h 45m

HK$1,230

Hong KongIncheon

HKG - ICN

HKGICN

Hong Kong Intl

Sun 5-10

07:15-11:50

Nonstop3h 35m

Incheon Intl

Thu 9-10

02:35-05:20

Nonstop3h 45m

HK$1,230

Hong KongIncheon

HKG - ICN

HKGICN

Hong Kong Intl

Mon 6-10

07:15-11:50

Nonstop3h 35m

Incheon Intl

Fri 10-10

22:30-01:20

Nonstop3h 50m

HK$1,230

Hong KongIncheon

HKG - ICN

HKGICN

Hong Kong Intl

Mon 6-10

07:15-11:50

Nonstop3h 35m

Incheon Intl

Sat 11-10

22:30-01:20

Nonstop3h 50m

HK$1,230

Hong KongIncheon

HKG - ICN

HKGICN

Hong Kong Intl

Thu 23-10

07:15-11:50

Nonstop3h 35m

Incheon Intl

Tue 28-10

02:20-05:30

Nonstop4h 10m

HK$1,230

Hong KongIncheon

HKG - ICN

HKGICN

Hong Kong Intl

Tue 16-9

00:40-05:30

Nonstop3h 50m

Incheon Intl

Sun 21-9

09:05-12:00

Nonstop3h 55m

HK$1,261

Hong KongIncheon

HKG - ICN

HKGICN

Hong Kong Intl

Mon 15-9

00:40-05:30

Nonstop3h 50m

Incheon Intl

Sat 20-9

12:45-15:35

Nonstop3h 50m

HK$1,284

Hong KongIncheon

HKG - ICN

HKGICN

Hong Kong Intl

Tue 28-10

21:05-01:35

Nonstop3h 30m

Incheon Intl

Sat 1-11

02:20-05:30

Nonstop4h 10m

HK$1,316

Flights are sorted by cheapest return flights first.

Deals found on 25-8

Showing 1-10 of 38 results
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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 22 August 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 4 hours 45 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 Saturday 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 Monday (35 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (17 on average).

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 28 August 2025.
Read through reviews of airlines serving South Korea, such as Korean Air, Asiana Airlines, andCathay Pacific. 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.

Boarding

8.5

Crew

8.7

Comfort

8.2

Food

8.1

Entertainment

8.2

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

Boarding

8.5

Crew

8.7

Comfort

8.2

Food

8.1

Entertainment

8.2

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

Boarding

8.5

Crew

8.7

Comfort

8.2

Food

8.1

Entertainment

8.2

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

Boarding

8.5

Crew

8.7

Comfort

8.2

Food

8.1

Entertainment

8.2

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

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$151, while return flights cost around HK$983.

  • How much is a return flight to Seoul?

    A return flight to Seoul will typically cost around HK$302, however they can be found for as little as HK$126.

  • 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).

  • Which airport is closest to National Museum of Korea?

    f being close to National Museum of Korea is important to you, you’ll want to land at Incheon Intl Airport.

  • 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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