What day of the week experiences the fewest flight delays on this route?

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

What is the cheapest airline that flies from South Korea to Japan?

Jeju Air, ANA, and Japan Airlines are the most popular carriers operating from South Korea to Japan

Which airline has the best punctuality record on South Korea to Japan flights?

According to our data, Japan Airlines have had the fewest delays on this route over the last 12 months, with about 5% of their flights experiencing any sort of delay.

What is the most punctual flight time for South Korea to Japan flights?

Generally, flights departing in the evening tend to experience fewer delays. Flights departing at night have, in the past, seen delays more frequently in comparison.

How many flights depart from South Korea to Japan on average per week?

As of December 2025, 152 flights take off from South Korea and land in Japan each week. The most common flight departure day for this route is Wed, with 16% of weekly flights taking off on this day.

How often are flights from South Korea to Japan delayed?

Historically, on average around 17% of flights between South Korea and Japan have experienced a delay on any given week. The average delay length over the past 12 months has been 99 minutes.

How many flights depart from South Korea to Japan on average per day?

As of December 2025, there are 21 flights per day flying from South Korea to Japan. The most common time of day flights depart is 08:00, with 47% of flights taking off at midday.

When did momondo last update prices for flights from South Korea to Japan?

Prices for flights from South Korea to Japan refresh daily.

How old do you have to be to fly from South Korea to Japan?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from South Korea to Japan.

What documentation or ID do you need to fly to Japan?

The required travel and health documents for your Japan trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Japan. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

£143 Cheap Flights from South Korea to Japan in 2025/26

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Find the cheapest flights from South Korea to Japan

Round-trip

One-way

Last minute

Direct

Recent return flight deals from South Korea to Japan

Enter your travel dates to find the best prices.

07:40 - 09:50

GMP

HND

2h 10mdirect

20:05 - 22:20

HND

GMP

2h 15mdirect

£206ANA

Wed, 15 Apr - Mon, 20 Apr

07:45 - 13:35

GMP

CTS

5h 50m1 stop

18:30 - 22:30

CTS

GMP

28h 00m1 stop

£209ANA

Tue, 10 Mar - Sun, 15 Mar

07:45 - 13:10

GMP

ITM

5h 25m1 stop

16:50 - 22:30

ITM

GMP

5h 40m1 stop

£215ANA

Wed, 18 Mar - Mon, 23 Mar

10:40 - 17:00

GMP

CTS

6h 20m1 stop

12:30 - 21:35

CTS

GMP

9h 05m1 stop

£223Multiple Airlines

Thu, 8 Jan - Mon, 12 Jan

20:25 - 16:00

GMP

CTS

19h 35m2 stops

11:30 - 09:40

CTS

GMP

22h 10m2 stops

£225Multiple Airlines

Tue, 10 Mar - Sun, 15 Mar

19:50 - 13:30

GMP

CTS

17h 40m1 stop

14:30 - 08:25

CTS

GMP

17h 55m1 stop

£271Jeju Air

Mon, 29 Dec - Fri, 2 Jan

19:50 - 13:30

GMP

CTS

17h 40m1 stop

14:30 - 08:25

CTS

GMP

17h 55m1 stop

£271Jeju Air

Mon, 29 Dec - Fri, 2 Jan

17:40 - 16:05

GMP

CTS

22h 25m1 stop

17:05 - 10:50

CTS

GMP

17h 45m1 stop

£272Korean Air

Sat, 7 Mar - Thu, 19 Mar

12:05 - 19:55

GMP

ITM

7h 50m1 stop

07:25 - 18:20

ITM

GMP

10h 55m1 stop

£280Japan Airlines

Sat, 24 Jan - Tue, 27 Jan

19:40 - 07:40

GMP

ITM

12h 00m1 stop

11:30 - 18:20

ITM

GMP

6h 50m1 stop

£282Japan Airlines

Wed, 14 Jan - Wed, 21 Jan

Asiana Airlines flights from South Korea to Japan

Our best Asiana Airlines deals on South Korea to Japan flight tickets

Asiana Airlines

30 Dec

GMP08:40Seoul Gimpo Intl

2h 05m

HND10:45Tokyo Haneda

7 Jan

HND08:40Tokyo Haneda

2h 35m

GMP11:15Seoul Gimpo Intl

£272

Find similar

Asiana Airlines

2 Jan

GMP08:40Seoul Gimpo Intl

2h 05m

HND10:45Tokyo Haneda

9 Jan

HND12:05Tokyo Haneda

2h 35m

GMP14:40Seoul Gimpo Intl

£302

Find similar

Asiana Airlines

2 Jan

GMP08:40Seoul Gimpo Intl

2h 05m

HND10:45Tokyo Haneda

9 Jan

HND12:05Tokyo Haneda

2h 35m

GMP14:40Seoul Gimpo Intl

£303

Find similar

Korean Air flights from South Korea to Japan

Our best Korean Air deals on South Korea to Japan flight tickets

Korean Air

7 Mar

GMP18:45Seoul Gimpo Intl

21h 20m

1 stop

CTS16:05Sapporo Chitose

20 Mar

CTS17:05Sapporo Chitose

20h 15m

1 stop

GMP13:20Seoul Gimpo Intl

£272

Find similar

Korean Air

19 May

GMP16:10Seoul Gimpo Intl

2h 20m

HND18:30Tokyo Haneda

21 May

HND19:45Tokyo Haneda

2h 20m

GMP22:05Seoul Gimpo Intl

£280

Find similar

Korean Air

10 Jun

GMP16:10Seoul Gimpo Intl

2h 20m

HND18:30Tokyo Haneda

11 Jun

HND12:30Tokyo Haneda

2h 20m

GMP14:50Seoul Gimpo Intl

£280

Find similar

Fly from

Fly to

Route

Depart

Return

Price

SeoulTokyo

GMP - HND

GMPHND

Seoul Gimpo Intl

Wed 15/4

07:40-09:50

Nonstop2h 10m

Tokyo Haneda

Mon 20/4

20:05-22:20

Nonstop2h 15m

£206

SeoulSapporo

GMP - CTS

GMPCTS

Seoul Gimpo Intl

Tue 10/3

07:45-13:35

1 stop5h 50m

Sapporo Chitose

Sun 15/3

18:30-22:30

1 stop28h 00m

£209

SeoulOsaka

GMP - ITM

GMPITM

Seoul Gimpo Intl

Wed 18/3

07:45-13:10

1 stop5h 25m

Osaka Itami

Mon 23/3

16:50-22:30

1 stop5h 40m

£215

SeoulSapporo

GMP - CTS

GMPCTS

Seoul Gimpo Intl

Thu 8/1

10:40-17:00

1 stop6h 20m

Sapporo Chitose

Mon 12/1

12:30-21:35

1 stop9h 05m

£223

SeoulSapporo

GMP - CTS

GMPCTS

Seoul Gimpo Intl

Tue 10/3

20:25-16:00

2 stops19h 35m

Sapporo Chitose

Sun 15/3

11:30-09:40

2 stops22h 10m

£225

SeoulSapporo

GMP - CTS

GMPCTS

Seoul Gimpo Intl

Mon 29/12

19:50-13:30

1 stop17h 40m

Sapporo Chitose

Fri 2/1

14:30-08:25

1 stop17h 55m

£271

SeoulSapporo

GMP - CTS

GMPCTS

Seoul Gimpo Intl

Mon 29/12

19:50-13:30

1 stop17h 40m

Sapporo Chitose

Fri 2/1

14:30-08:25

1 stop17h 55m

£271

SeoulSapporo

GMP - CTS

GMPCTS

Seoul Gimpo Intl

Sat 7/3

17:40-16:05

1 stop22h 25m

Sapporo Chitose

Thu 19/3

17:05-10:50

1 stop17h 45m

£272

SeoulOsaka

GMP - ITM

GMPITM

Seoul Gimpo Intl

Sat 24/1

12:05-19:55

1 stop7h 50m

Osaka Itami

Tue 27/1

07:25-18:20

1 stop10h 55m

£280

SeoulOsaka

GMP - ITM

GMPITM

Seoul Gimpo Intl

Wed 14/1

19:40-07:40

1 stop12h 00m

Osaka Itami

Wed 21/1

11:30-18:20

1 stop6h 50m

£282

Flights are sorted by cheapest return flights first.

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How to get the cheapest flight ticket from South Korea to Japan

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Delays

Other information

What is the cheapest month to fly to Japan?

The cheapest month to fly to Japan from South Korea is in July. Flight prices, which tend to average around £119, are often lower during this time because this is during the off-season. If you don’t want to visit Japan in July, then you should wait until June to fly from South Korea, when ticket prices are also cheap, with an average price of £132.

What is the cheapest day to depart on your flight to Japan?

The cheapest day to depart from South Korea to Japan is on a Saturday when prices can be found for as low as £145. On the other hand, Monday is the most expensive day to depart from South Korea because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £186.

What is the cheapest time of day to depart on your flight to Japan?

Our data shows that the cheapest South Korea to Japan flights are usually those with departure times at midday. Our users have found flights to Japan at midday for as low as £156. In the evening is when there is more demand to fly to Japan, so prices are often more expensive at around £208 per ticket.

What is the cheapest South Korea to Japan flight route?

Fly from Busan Gimhae to Fukuoka for the best South Korea - Japan flight prices

How far in advance should I book a flight to Japan?

You are more likely to see cheaper flights to Japan from South Korea when booking weeks ahead of your departure date. In general, you can expect to find flights to Japan for around £159 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Japan from South Korea for as low as £133 on momondo.

What cabin class options are available on South Korea to Japan flights?

There are 4 cabin classes available to choose from on South Korea to Japan flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on South Korea to Japan flights?

No. A direct flight is the cheapest option for a flight between South Korea to Japan.

Cheap South Korea to Japan flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from South Korea to Japan

Best price found	£51
Fastest flight time	2h 00m
Direct flights	Every day
Airports in Japan	202 airports

The best one-way flight to Japan from South Korea in the past 72 hours is £51. The best return flight deal from South Korea to Japan found on momondo in the last 72 hours is £113.

The fastest flight from South Korea to Japan takes 2h 00m

Direct flights go from South Korea to Japan every day.

There are 202 airports in Japan. From South Korea there are direct flights to Tokyo Haneda (HND).

Search flight deals

When did momondo last update prices for flights from South Korea to Japan?
Prices for flights from South Korea to Japan refresh daily.
How old do you have to be to fly from South Korea to Japan?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from South Korea to Japan.
What documentation or ID do you need to fly to Japan?
The required travel and health documents for your Japan trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Japan. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from South Korea to Japan?
momondo data reveals that the most frequently booked plane model on the route from South Korea to Japan is Boeing 737-800, representing 37.08% of all bookings. The subsequent popular models are Airbus A321-100/200 at 16.31%, Boeing 737 MAX 8 at 8.32%, and Airbus A320-100/200 at 7.42%.

Why use momondo?

Why should I use momondo to find a flight deal from South Korea to Japan?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from South Korea to Japan. momondo saves you time and could save you money on your trip.

Can I find flights from South Korea to Japan with flexible booking policies on momondo?

momondo does allow users to show only those flights to Japan from South Korea which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from South Korea to Japan?

momondo helps you find the best flight between South Korea and Japan by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from South Korea to Japan right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of South Korea to Japan flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Japan trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

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Find better results for your trip to Japan

Popular Cities in Japan

Flights to Tokyofrom £379

Flights to Osakafrom £373

Flights to Fukuokafrom £462

Flights to Okinawafrom £396

Flights to Nagoyafrom £465

Flights to Hiroshimafrom £521

Flights to Ishigakifrom £1,199

Flights to Sendaifrom £947

Flights to Komatsufrom £923

Flights to Okayamafrom £957

Flights to Matsuyamafrom £988

Flights to Miyazakifrom £1,030

Cheap flights from South Korea to Japan from £120

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from South Korea to Japan departing on 14/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names, great deals

Big names, great deals

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Filter for what you want

Trusted and free

Trusted and free

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Price Alerts

Find the cheapest flights from South Korea to Japan

Recent return flight deals from South Korea to Japan

Recent one-way flight deals from South Korea to Japan

Recent last minute flight deals from South Korea to Japan

Recent direct flight deals from South Korea to Japan

Asiana Airlines flights from South Korea to Japan

Our best Asiana Airlines deals on South Korea to Japan flight tickets

Korean Air flights from South Korea to Japan

Our best Korean Air deals on South Korea to Japan flight tickets

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

See travel insights to Japan from

How to get the cheapest flight ticket from South Korea to Japan

What is the cheapest month to fly to Japan?

What is the cheapest day to depart on your flight to Japan?

What is the cheapest time of day to depart on your flight to Japan?

What is the cheapest South Korea to Japan flight route?

Fly from Busan Gimhae to Fukuoka for the best South Korea - Japan flight prices

How far in advance should I book a flight to Japan?

What cabin class options are available on South Korea to Japan flights?

There are 4 cabin classes available to choose from on South Korea to Japan flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on South Korea to Japan flights?

No. A direct flight is the cheapest option for a flight between South Korea to Japan.

What is the cheapest airline that flies from South Korea to Japan?

Jeju Air, ANA, and Japan Airlines are the most popular carriers operating from South Korea to Japan

How often are flights from South Korea to Japan delayed?

Historically, on average around 17% of flights between South Korea and Japan have experienced a delay on any given week. The average delay length over the past 12 months has been 99 minutes.

What is the most punctual flight time for South Korea to Japan flights?

Generally, flights departing in the evening tend to experience fewer delays. Flights departing at night have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on South Korea to Japan flights?

According to our data, Japan Airlines have had the fewest delays on this route over the last 12 months, with about 5% of their flights experiencing any sort of delay.

How many flights depart from South Korea to Japan on average per day?

As of December 2025, there are 21 flights per day flying from South Korea to Japan. The most common time of day flights depart is 08:00, with 47% of flights taking off at midday.

How many flights depart from South Korea to Japan on average per week?

As of December 2025, 152 flights take off from South Korea and land in Japan each week. The most common flight departure day for this route is Wed, with 16% of weekly flights taking off on this day.

Cheap South Korea to Japan flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from South Korea to Japan

Best price found

Fastest flight time

Direct flights

Airports in Japan

When did momondo last update prices for flights from South Korea to Japan?

How old do you have to be to fly from South Korea to Japan?

What documentation or ID do you need to fly to Japan?

What is the most popular plane model from South Korea to Japan?

Why use momondo?

Why should I use momondo to find a flight deal from South Korea to Japan?

Can I find flights from South Korea to Japan with flexible booking policies on momondo?

How can momondo help me find flights from South Korea to Japan?

I’m not ready to book a flight from South Korea to Japan right now. Can momondo alert me if prices change?

An easier way to manage your Japan trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Japan

Popular Cities in Japan

Popular flights according to clicks in the last 7 days on momondo