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Cheap flights from South Korea to Japan from £97

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 16/12. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — FUK
6 Dec — 13 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from South Korea to Japan

Keep the following information in mind while searching for South Korea to Japan flight deals. Data was last updated 6 November 2025.

Round-trip from

£231

One-way from

£97

Popular in

October

Cheapest in

July

Average price

£167

Good round-trip deal

£115 or less

Good one-way deal

£45 or less
Japan Airlines
  • Japan Airlines
  • 9/12-14/12
  • Nonstop
  • 4h 40m total
  • South Korea to Japan
Search Deals
16/12
  • 16/12
  • 1 total stop
  • 8h 50m total
  • South Korea to Japan
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£17 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£7 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals
Price to beat on a round-trip flight from South Korea to Japan.
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Price to beat on a one-way flight from South Korea to Japan.
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Find flight deals from South Korea to Japan

Enter your travel dates to find the best prices.

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 6 November 2025.

Tue 9/1208:00GMP - HND
Nonstop2h 05mJapan Airlines
Sun 14/1219:30HND - GMP
Nonstop2h 35mJapan Airlines
Deal found 4/11£231
Tue 30/1212:05GMP - HND
Nonstop2h 05mJapan Airlines
Wed 31/1219:30HND - GMP
Nonstop2h 35mJapan Airlines
Deal found 6/11£233
Fri 12/1219:40GMP - HND
Nonstop2h 05mJapan Airlines
Sat 14/319:30HND - GMP
Nonstop2h 35mJapan Airlines
Deal found 4/11£237
Thu 18/1208:00GMP - HND
Nonstop2h 05mJapan Airlines
Sun 21/1219:30HND - GMP
Nonstop2h 35mJapan Airlines
Deal found 5/11£243
Wed 3/1212:05GMP - HND
Nonstop2h 05mJapan Airlines
Wed 10/1215:45HND - GMP
Nonstop2h 35mJapan Airlines
Deal found 4/11£245
Tue 9/1208:00GMP - HND
Nonstop2h 05mJapan Airlines
Sat 13/1215:45HND - GMP
Nonstop2h 35mJapan Airlines
Deal found 6/11£249
Sat 20/1212:05GMP - HND
Nonstop2h 05mJapan Airlines
Thu 25/1219:30HND - GMP
Nonstop2h 35mJapan Airlines
Deal found 5/11£262
Sat 13/1212:05GMP - HND
Nonstop2h 05mJapan Airlines
Sun 15/315:45HND - GMP
Nonstop2h 35mJapan Airlines
Deal found 4/11£264
Thu 27/1119:50GMP - CTS
1 stop17h 40mJeju Air
Mon 1/1214:30CTS - GMP
1 stop17h 55mJeju Air
Deal found 5/11£267
Tue 9/1208:00GMP - HND
Nonstop2h 05mJapan Airlines
Tue 16/1219:30HND - GMP
Nonstop2h 35mJapan Airlines
Deal found 5/11£268
Wed 3/1214:00GMP - HND
1 stop4h 55mMultiple Airlines
Wed 10/1207:10HND - GMP
1 stop5h 50mMultiple Airlines
Deal found 4/11£269
Tue 16/1208:00GMP - HND
Nonstop2h 05mJapan Airlines
Wed 11/319:30HND - GMP
Nonstop2h 35mJapan Airlines
Deal found 4/11£270

Cheapflights Fare Finder

 
Customise your flight search to find flights from South Korea to Japan that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 6 November 2025.
Use the filters below to find and compare flights from South Korea to Japan that are best for you.

Fly from

South Korea

Fly to

Japan

Route

Depart

Return

Price

SeoulTokyo

GMP - HND

GMPHND

Seoul Gimpo Intl

Sat 20/12

12:05-14:10

Nonstop2h 05m

Tokyo Haneda

Thu 25/12

19:30-22:05

Nonstop2h 35m

£262

SeoulSapporo

GMP - CTS

GMPCTS

Seoul Gimpo Intl

Thu 27/11

19:50-13:30

1 stop17h 40m

Sapporo Chitose

Mon 1/12

14:30-08:25

1 stop17h 55m

£267

SeoulSapporo

GMP - CTS

GMPCTS

Seoul Gimpo Intl

Thu 22/1

08:00-18:30

1 stop10h 30m

Sapporo Chitose

Mon 26/1

10:00-22:05

1 stop12h 05m

£267

SeoulOsaka

GMP - ITM

GMPITM

Seoul Gimpo Intl

Sat 24/1

08:00-12:55

1 stop4h 55m

Osaka Itami

Wed 28/1

16:30-22:05

1 stop5h 35m

£267

SeoulTokyo

GMP - HND

GMPHND

Seoul Gimpo Intl

Tue 16/12

08:00-10:05

Nonstop2h 05m

Tokyo Haneda

Wed 11/3

19:30-22:05

Nonstop2h 35m

£270

SeoulTokyo

GMP - HND

GMPHND

Seoul Gimpo Intl

Tue 16/12

08:00-10:05

Nonstop2h 05m

Tokyo Haneda

Tue 17/3

19:30-22:05

Nonstop2h 35m

£270

SeoulSapporo

GMP - CTS

GMPCTS

Seoul Gimpo Intl

Tue 20/1

08:00-13:10

1 stop5h 10m

Sapporo Chitose

Thu 22/1

14:05-22:05

1 stop8h 00m

£276

SeoulSapporo

GMP - CTS

GMPCTS

Seoul Gimpo Intl

Thu 4/12

08:00-18:35

1 stop10h 35m

Sapporo Chitose

Tue 9/12

15:05-22:05

1 stop7h 00m

£278

SeoulSapporo

GMP - CTS

GMPCTS

Seoul Gimpo Intl

Sat 6/12

08:00-18:35

1 stop10h 35m

Sapporo Chitose

Wed 10/12

15:50-22:05

1 stop6h 15m

£278

SeoulOsaka

GMP - ITM

GMPITM

Seoul Gimpo Intl

Thu 22/1

08:00-13:45

1 stop5h 45m

Osaka Itami

Mon 26/1

16:50-22:05

1 stop5h 15m

£278

Flights are sorted by cheapest return flights first.

Deals found on 5/11

Showing 1-10 of 59 results
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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.
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

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

Currently, October is the cheapest month in which you can book a flight from South Korea to Japan (average of £25). Flying from South Korea to Japan in February is currently the most expensive (average of £87). 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?

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 6 November 2025.

It’s typically best to fly out from South Korea to Japan in the afternoon. Doing so could potentially save you 21% on the flight price compared to flying in the evening, which is usually more expensive.

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 23 February 2025.

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

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 6 November 2025.

The most flights from KR0 to JP0 are scheduled on a Monday (45 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (39 on average).

Reviews of airlines servicing Japan

Get insights into the airlines that provide service to Japan. 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 Japan. Reviews last updated 6 November 2025.
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
8.7
Very Good
20 reviews
Check prices

Entertainment

7.9

Crew

9.1

Comfort

8.3

Boarding

8.8

Food

7.9

Overall

8.7
Jin Air
8.7
Very Good
20 reviews
Jin Air
8.7
Very Good
20 reviews
Check prices

Entertainment

7.9

Crew

9.1

Comfort

8.3

Boarding

8.8

Food

7.9

Overall

8.7
Korean Air
8.4
Very Good
1,160 reviews
Jin Air
8.7
Very Good
20 reviews
Check prices

Entertainment

7.9

Crew

9.1

Comfort

8.3

Boarding

8.8

Food

7.9

Overall

8.7
Asiana Airlines
8.2
Very Good
484 reviews
Jin Air
8.7
Very Good
20 reviews
Check prices

Entertainment

7.9

Crew

9.1

Comfort

8.3

Boarding

8.8

Food

7.9

Overall

8.7
Jeju Air
7.7
Good
34 reviews
Jin Air
8.7
Very Good
20 reviews
Check prices

Entertainment

7.9

Crew

9.1

Comfort

8.3

Boarding

8.8

Food

7.9

Overall

8.7
Ethiopian Air
7.2
Good
889 reviews
Jin Air
8.7
Very Good
20 reviews
Check prices

Entertainment

7.9

Crew

9.1

Comfort

8.3

Boarding

8.8

Food

7.9

Overall

8.7

Related info for your journey

Find useful and relevant information for your journey from South Korea to Japan. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How popular is this South Korea to Japan flight route?

    Flights from South Korea to Japan have been viewed 17 times in the past calendar month.

  • How long is the flight from South Korea to Japan?

    Japan Airlines and Jeju Air can get you from South Korea to Japan in just under 2h 05m. Your travel time can differ by up to 15h 35m. 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 ANA (£158), Jeju Air (£166), and Japan Airlines (£175).

  • 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, October is the cheapest month in which you can book a flight from South Korea to Japan (average of £25). Flying from South Korea to Japan in February is currently the most expensive (average of £87). 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

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Fly with Cheapflights

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

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