How long is the flight from South Korea to Japan?

Jeju Air, Asiana Airlines, and Korean Air can get you from South Korea to Japan in just under 2h 10m. Your travel time can differ by up to 15h 25m. The distance between South Korea and Japan is about 733 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

What are the cheapest airlines to fly from South Korea to Japan one-way?

The cheapet airlines for a one-way flight from South Korea to Japan are Air Busan (£8), Eastar Jet (£22), and T'way Air (£24).

In terms of precipitation, rainfall in Japan ranges from 50.0 - 210.0 inches per month. September is typically the wettest month, when rainfall can reach 210.0 mm. January is typically the driest time to visit Japan when rainfall is around 50.0 mm.

If weather is an important factor for your trip to Japan, 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 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 6.0 C).

Can I find deals for flights from South Korea to Japan that include hotel bookings?

Yes. In addition to deals on South Korea to Japan flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from South Korea to Japan?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from South Korea to Japan.

Can I find deals for business class flights from South Korea to Japan?

Yes. Cheapflights offers flight deals from South Korea to Japan by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£76+ Cheap Flights from South Korea to Japan

Cheap flight deals from South Korea to Japan

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

Last-minute

One-way

Cheapest flights from South Korea to Japan
Explore the most affordable flight options available from South Korea to Japan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 September 2026.

Wed 30/911:25 -

1 stop6h 10m

Wed 7/1011:10 -

1 stop6h 50m

Deal found 31/8£201

Tue 13/1019:55 -

1 stop17h 35m

Fri 16/1014:30 -

1 stop17h 45m

Deal found 31/8£218

Sun 20/919:55 -

1 stop17h 35m

Wed 23/914:30 -

1 stop17h 45m

Deal found 3/9£237

Fri 4/913:10 -

1 stop5h 35m

Tue 8/912:00 -

1 stop6h 00m

Deal found 30/8£246

Tue 6/1019:55 -

1 stop17h 35m

Wed 14/1014:30 -

1 stop17h 45m

Deal found 1/9£247

Tue 29/919:55 -

1 stop17h 35m

Fri 2/1014:30 -

1 stop17h 45m

Deal found 30/8£257

Fri 25/912:40 -

Nonstop2h 15m

Wed 30/916:10 -

Nonstop2h 25m

Deal found 3/9£262

Wed 9/907:40 -

1 stop5h 55m

Wed 16/916:30 -

1 stop5h 50m

Deal found 1/9£264

Sat 10/1019:55 -

Nonstop2h 20m

Thu 15/1016:10 -

Nonstop2h 25m

Deal found 1/9£267

Sat 26/919:15 -

Nonstop2h 15m

Wed 30/918:55 -

Nonstop2h 20m

Deal found 3/9£269

Tue 6/1012:40 -

1 stop5h 30m

Wed 7/1017:45 -

1 stop4h 35m

Deal found 1/9£269

Thu 3/915:45 -

Nonstop2h 05m

Mon 7/920:05 -

Nonstop2h 20m

Deal found 31/8£269

Best flights from South Korea to Japan
Discover carefully curated flight deals from South Korea to Japan that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 3 September 2026.

Sun 20/919:55 -

1 stop17h 35m

Wed 23/914:30 -

1 stop17h 45m

Deal found 3/9£237

Wed 14/1019:50 -

Nonstop2h 10m

Sat 17/1020:05 -

Nonstop2h 20m

Deal found 30/8£289

Sun 27/908:00 -

Nonstop2h 15m

Wed 30/918:55 -

Nonstop2h 20m

Deal found 3/9£292

Tue 29/916:20 -

Nonstop2h 15m

Thu 1/1019:55 -

Nonstop2h 20m

Deal found 3/9£304

Tue 6/1019:55 -

1 stop17h 35m

Wed 14/1014:30 -

1 stop17h 45m

Deal found 1/9£247

Tue 15/908:00 -

Nonstop2h 15m

Thu 1/1018:55 -

Nonstop2h 20m

Deal found 2/9£297

Thu 1/1015:45 -

Nonstop2h 05m

Wed 14/1020:05 -

Nonstop2h 20m

Deal found 3/9£300

Sun 27/919:55 -

1 stop17h 35m

Wed 30/914:30 -

1 stop17h 45m

Deal found 31/8£279

Tue 15/908:00 -

1 stop5h 35m

Tue 15/915:35 -

1 stop5h 40m

Deal found 3/9£300

Sat 17/1019:55 -

1 stop17h 35m

Fri 23/1014:30 -

1 stop17h 45m

Deal found 3/9£281

Mon 28/908:00 -

1 stop5h 35m

Tue 29/909:20 -

1 stop11h 55m

Deal found 3/9£300

Sat 19/919:55 -

1 stop17h 35m

Fri 25/914:30 -

1 stop17h 45m

Deal found 2/9£282

Sat 26/919:15 -

Nonstop2h 15m

Sat 3/1018:55 -

Nonstop2h 20m

Deal found 3/9£303

Sun 13/919:55 -

1 stop17h 35m

Wed 16/914:30 -

1 stop17h 45m

Deal found 30/8£293

Wed 21/1008:00 -

1 stop6h 35m

Thu 22/1012:30 -

1 stop8h 45m

Deal found 3/9£306

Sun 13/919:55 -

1 stop17h 35m

Sun 20/914:30 -

1 stop17h 45m

Deal found 30/8£303

Sun 27/908:00 -

Nonstop2h 15m

Sat 3/1018:55 -

Nonstop2h 20m

Deal found 3/9£309

Thu 15/1008:00 -

1 stop7h 40m

Thu 22/1012:30 -

1 stop8h 45m

Deal found 3/9£314

Tue 6/1019:55 -

1 stop17h 35m

Fri 9/1014:30 -

1 stop17h 45m

Deal found 31/8£315

Sat 17/1008:00 -

1 stop11h 10m

Tue 20/1011:30 -

1 stop9h 45m

Deal found 3/9£315

Sun 27/908:00 -

1 stop5h 35m

Sat 3/1015:45 -

1 stop5h 30m

Deal found 3/9£316

Wed 21/1008:00 -

Nonstop2h 15m

Tue 27/1015:45 -

Nonstop2h 35m

Deal found 3/9£320

Sun 25/1008:15 -

1 stop23h 25m

Wed 28/1017:00 -

1 stop5h 05m

Deal found 30/8£323

Sun 18/1008:00 -

1 stop6h 35m

Thu 22/1012:30 -

1 stop8h 45m

Deal found 3/9£323

Sat 24/1008:00 -

1 stop11h 50m

Mon 2/1109:40 -

1 stop8h 40m

Deal found 31/8£326

Wed 14/1008:00 -

Nonstop2h 15m

Sat 31/1019:30 -

Nonstop2h 35m

Deal found 31/8£335

Sat 17/1008:00 -

Nonstop2h 15m

Thu 12/1115:45 -

Nonstop2h 35m

Deal found 3/9£338

Sat 17/1008:00 -

Nonstop2h 15m

Sun 15/1115:45 -

Nonstop2h 35m

Deal found 3/9£338

Thu 15/1008:00 -

Nonstop2h 15m

Sun 15/1115:45 -

Nonstop2h 35m

Deal found 3/9£338

Sun 8/1108:15 -

1 stop4h 35m

Sun 8/1117:00 -

1 stop5h 05m

Deal found 3/9£357

Find flight deals from South Korea to Japan

Round-trip from	£201
One-way from	£76
Popular in	October
Cheapest in	June
Average price	£158
Good round-trip deal	£127 or less
Good one-way deal	£32 or less

Peach
30/9-7/10
2 total stops
13h 00m total
South Korea to Japan

Search Deals

Jeju Air
20/10-31/12
1 total stop
17h 35m total
South Korea to Japan

Search Deals

Highest demand for flights based on searches. 9% potential increase in price (£13 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£5 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Price to beat on a round-trip flight from South Korea to Japan.

Search Deals

Price to beat on a one-way flight from South Korea to Japan.

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SeoulSapporo

GMP Seoul Gimpo Intl - CTS Sapporo Chitose

GMPCTS

Seoul Gimpo Intl

Tue 20/10

19:55-13:30

1 stop17h 35m

Sapporo Chitose

Wed 31/12

00:00-00:00

Nonstop0h 00m

£76

SeoulSapporo

GMP Seoul Gimpo Intl - CTS Sapporo Chitose

GMPCTS

Seoul Gimpo Intl

Tue 13/10

19:55-13:30

1 stop17h 35m

Sapporo Chitose

Wed 31/12

00:00-00:00

Nonstop0h 00m

£76

SeoulTokyo

GMP Seoul Gimpo Intl - HND Tokyo Haneda

GMPHND

Seoul Gimpo Intl

Tue 20/10

19:50-22:00

Nonstop2h 10m

Tokyo Haneda

Wed 31/12

00:00-00:00

Nonstop0h 00m

£155

SeoulTokyo

GMP Seoul Gimpo Intl - HND Tokyo Haneda

GMPHND

Seoul Gimpo Intl

Thu 26/11

19:35-21:45

Nonstop2h 10m

Tokyo Haneda

Wed 31/12

00:00-00:00

Nonstop0h 00m

£164

SeoulOsaka

GMP Seoul Gimpo Intl - ITM Osaka Itami

GMPITM

Seoul Gimpo Intl

Mon 2/11

11:10-19:00

2 stops7h 50m

Osaka Itami

Wed 31/12

00:00-00:00

Nonstop0h 00m

£169

SeoulTokyo

GMP Seoul Gimpo Intl - HND Tokyo Haneda

GMPHND

Seoul Gimpo Intl

Sat 26/9

19:50-22:00

Nonstop2h 10m

Tokyo Haneda

Wed 31/12

00:00-00:00

Nonstop0h 00m

£169

SeoulSapporo

GMP Seoul Gimpo Intl - CTS Sapporo Chitose

GMPCTS

Seoul Gimpo Intl

Sat 3/10

19:55-13:30

1 stop17h 35m

Sapporo Chitose

Wed 31/12

00:00-00:00

Nonstop0h 00m

£169

SeoulTokyo

GMP Seoul Gimpo Intl - HND Tokyo Haneda

GMPHND

Seoul Gimpo Intl

Thu 15/10

19:50-22:00

Nonstop2h 10m

Tokyo Haneda

Wed 31/12

00:00-00:00

Nonstop0h 00m

£173

SeoulOsaka

GMP Seoul Gimpo Intl - ITM Osaka Itami

GMPITM

Seoul Gimpo Intl

Sun 1/11

08:15-16:10

1 stop7h 55m

Osaka Itami

Wed 31/12

00:00-00:00

Nonstop0h 00m

£198

SeoulTokyo

GMP Seoul Gimpo Intl - HND Tokyo Haneda

GMPHND

Seoul Gimpo Intl

Thu 17/9

08:00-10:15

Nonstop2h 15m

Tokyo Haneda

Wed 31/12

00:00-00:00

Nonstop0h 00m

£202

Flights are sorted by cheapest return flights first.

Deals found on 30/8

Showing 1-10 of 58 resultsSorted by cheapest first

...

Best time to book a flight from South Korea to Japan

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

GMP-CTS

GMP-HND

GMP-ITM

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 from South Korea to Japan

KR0-JP0

GMP-CTS

GMP-HND

GMP-ITM

What is the cheapest month to book a flight from South Korea to Japan?

Currently, September is the cheapest month in which you can book a flight from South Korea to Japan (average of £115). Flying from South Korea to Japan in February is currently the most expensive (average of £214). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from KR to JP?

It’s typically best to fly out from South Korea to Japan at midday. Doing so could potentially save you 18% on the flight price compared to flying in the evening, which is usually more expensive.

Weekly flight availability from South Korea to Japan

The most flights from KR0 to JP0 are scheduled on a Wednesday (53 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (24 on average).

How often are flights from South Korea to Japan delayed?

About 9% of weekly flights between South Korea and Japan have experienced delays in the past year, with the average delay time being 101 minutes.

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

Historically, flights departing in the evening are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.

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

Saturday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.

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

Over the past year, T'way Air have had the lowest number of delays on this route, with just 6% of flights being delayed.

How far ahead should I book a flight from South Korea to Japan?

Booking 48 days in advance of your planned departure date is, on average, the best time to get cheap flights from South Korea to Japan. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest day to fly from South Korea to Japan?

Travellers seeking maximum savings on their South Korea to Japan flight should consider departing on Thursday afternoons when fares are most often at their lowest. Friday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Japan

Read through reviews of airlines operating flights from South Korea to Japan, such as Jin Air,Korean Air, andAsiana Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Jin Air

8.6

Very Good

23 reviews

Check prices

Jin Air

8.6

Very Good

23 reviews

Jin Air

8.6

Very Good

23 reviews

Check prices

Korean Air

8.4

Very Good

1,221 reviews

Jin Air

8.6

Very Good

23 reviews

Check prices

Asiana Airlines

8.1

Very Good

560 reviews

Jin Air

8.6

Very Good

23 reviews

Check prices

Jeju Air

7.6

Good

38 reviews

Jin Air

8.6

Very Good

23 reviews

Check prices

Related info for your journey

How long is the flight from South Korea to Japan?
Jeju Air, Asiana Airlines, and Korean Air can get you from South Korea to Japan in just under 2h 10m. Your travel time can differ by up to 15h 25m. The distance between South Korea and Japan is about 733 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
What are the cheapest airlines to fly from South Korea to Japan one-way?
The cheapet airlines for a one-way flight from South Korea to Japan are Air Busan (£8), Eastar Jet (£22), and T'way Air (£24).
Can I find deals for flights from South Korea to Japan that include hotel bookings?
Yes. In addition to deals on South Korea to Japan flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from South Korea to Japan?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from South Korea to Japan.
Can I find deals for business class flights from South Korea to Japan?
Yes. Cheapflights offers flight deals from South Korea to Japan by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from South Korea to Japan?
Currently, September is the cheapest month in which you can book a flight from South Korea to Japan (average of £115). Flying from South Korea to Japan in February is currently the most expensive (average of £214). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Airlines flying to Japan

Japan Airlines flights to Japan

Cathay Pacific flights to Japan

China Eastern flights to Japan

Air China flights to Japan

British Airways flights to Japan

Top 3 airlines flying from South Korea to Japan

Airline	Cheapest	Average	Flexibility	On-time
Jeju Air	Cheapest£94	Average£118	FlexibilityNo cancel fee	On-timeN/A	Search Jeju Air flights
Asiana Airlines	Cheapest£179	Average£227	FlexibilityNo cancel fee	On-time76%	Search Asiana Airlines flights
Japan Airlines	Cheapest£270	Average£270	FlexibilityNo cancel fee	On-time79%	Search Japan Airlines flights

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How does Cheapflights help users find flights from South Korea to Japan?

When you search for this flight from South Korea to Japan, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from South Korea to Japan?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from South Korea to Japan.

Can Cheapflights find flights from South Korea to Japan with no change fees?

Yes! Cheapflights helps users easily find flights from South Korea to Japan with no change fees.

Can Cheapflights notify me if prices for flights from South Korea to Japan become cheaper?

Not ready to book yet? You can track prices for flights from South Korea to Japan on Cheapflights with our Price Alert feature and get notified when better prices are available.

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Cheap flights from South Korea to Japan from £76

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 20/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from South Korea to Japan

Cheapest flights from South Korea to JapanExplore the most affordable flight options available from South Korea to Japan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 September 2026.

Explore the most affordable flight options available from South Korea to Japan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 September 2026.

Best flights from South Korea to JapanDiscover carefully curated flight deals from South Korea to Japan that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 3 September 2026.

Discover carefully curated flight deals from South Korea to Japan that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 3 September 2026.

Direct flights from South Korea to JapanExplore direct flight options from South Korea to Japan based on user searches, and compare prices and availability for your desired travel dates. Data last updated 3 September 2026.

Explore direct flight options from South Korea to Japan based on user searches, and compare prices and availability for your desired travel dates. Data last updated 3 September 2026.

Last-minute flights from South Korea to JapanDiscover last-minute flight deals from South Korea to Japan. Data last updated 3 September 2026 and is based on user searches.

Discover last-minute flight deals from South Korea to Japan. Data last updated 3 September 2026 and is based on user searches.

One-way flights from South Korea to JapanSearch for one-way flight options from South Korea to Japan. Find affordable one-way fares based on user searches. Data last updated 3 September 2026.

Search for one-way flight options from South Korea to Japan. Find affordable one-way fares based on user searches. Data last updated 3 September 2026.

Find flight deals from South Korea to Japan

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One-way from

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

Best time to book a flight from South Korea to Japan

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

Cheapflights Insights

What is the cheapest month to book a flight from South Korea to Japan?

What is the cheapest time of day to fly from KR to JP?

Find hourly flight availability from South Korea to Japan. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 3 September 2026.

It’s typically best to fly out from South Korea to Japan at midday. Doing so could potentially save you 18% on the flight price compared to flying in the evening, which is usually more expensive.

Weekly flight availability from South Korea to Japan

Explore weekly flight availability from South Korea to Japan. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 3 September 2026.

The most flights from KR0 to JP0 are scheduled on a Wednesday (53 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (24 on average).

How often are flights from South Korea to Japan delayed?

About 9% of weekly flights between South Korea and Japan have experienced delays in the past year, with the average delay time being 101 minutes.

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

Historically, flights departing in the evening are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.

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

Saturday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.

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

Over the past year, T'way Air have had the lowest number of delays on this route, with just 6% of flights being delayed.

How far ahead should I book a flight from South Korea to Japan?

Booking 48 days in advance of your planned departure date is, on average, the best time to get cheap flights from South Korea to Japan. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest day to fly from South Korea to Japan?

Use this chart to determine the cheapest time to fly return from South Korea to Japan. Price data was last updated on 29 August 2026.

Travellers seeking maximum savings on their South Korea to Japan flight should consider departing on Thursday afternoons when fares are most often at their lowest. Friday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Japan

Read through reviews of airlines operating flights from South Korea to Japan, such as Jin Air,Korean Air, andAsiana Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

How long is the flight from South Korea to Japan?

What are the cheapest airlines to fly from South Korea to Japan one-way?

Can I find deals for flights from South Korea to Japan that include hotel bookings?

How can I find direct flights from South Korea to Japan?

Can I find deals for business class flights from South Korea to Japan?

What is the cheapest month to book a flight from South Korea to Japan?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Airlines flying to Japan

Alternative routes for South Korea to Japan

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Japan by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to

Book a non-stop flight to one of these other cities located in .

Search flights from South Korea to Japan by cabin class

Find flights from South Korea to Japan, based on your preferred cabin class, be it economy, premium economy, business, or first class.

South Korea and Japan flights

Browse other South Korea and Japan flight options. Last updated on 3 September 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Find a return flight route from Japan

Find the right flight back to South Korea after your stay in Japan

Fly to Japan regions

Consider these flights travelling to Japan regions.

Top 3 airlines flying from South Korea to Japan

Fly with Cheapflights

How does Cheapflights help users find flights from South Korea to Japan?

Why should you use Cheapflights to find cheap flight tickets from South Korea to Japan?

Can Cheapflights find flights from South Korea to Japan with no change fees?

Can Cheapflights notify me if prices for flights from South Korea to Japan become cheaper?

Cheapest flights from South Korea to Japan
Explore the most affordable flight options available from South Korea to Japan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 September 2026.

Best flights from South Korea to Japan
Discover carefully curated flight deals from South Korea to Japan that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 3 September 2026.

Direct flights from South Korea to Japan
Explore direct flight options from South Korea to Japan based on user searches, and compare prices and availability for your desired travel dates. Data last updated 3 September 2026.

Last-minute flights from South Korea to Japan
Discover last-minute flight deals from South Korea to Japan. Data last updated 3 September 2026 and is based on user searches.

One-way flights from South Korea to Japan
Search for one-way flight options from South Korea to Japan. Find affordable one-way fares based on user searches. Data last updated 3 September 2026.