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Cheap flights from South Korea to Japan from £72

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 11/6. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — FUK
5 May — 12 May1
1 adult

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 30 April 2025.

Round-trip from

£170

One-way from

£72

Popular in

January

Cheapest in

June

Average price

£151

Good round-trip deal

£81 or less

Good one-way deal

£33 or less
Jeju Air
  • Jeju Air
  • 11/6-19/6
  • 2 total stops
  • 25h 00m total
  • South Korea to Japan
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Jeju Air
  • Jeju Air
  • 11/6
  • 1 total stop
  • 7h 10m total
  • South Korea to Japan
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£14 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£3 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2025
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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

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 30 April 2025.

Wed 11/606:20GMP - CTS
1 stop7h 10mJeju Air
Thu 19/614:30CTS - GMP
1 stop17h 50mJeju Air
Deal found 30/4£170
Wed 16/707:40GMP - ITM
1 stop5h 25mANA
Tue 22/716:50ITM - GMP
1 stop5h 30mANA
Deal found 30/4£227
Wed 11/607:40GMP - HND
Nonstop2h 10mANA
Thu 19/620:05HND - GMP
Nonstop2h 15mANA
Deal found 30/4£236
Tue 5/807:55GMP - HND
Nonstop2h 05mJapan Airlines
Wed 6/815:40HND - GMP
Nonstop2h 20mJapan Airlines
Deal found 29/4£256
Tue 17/607:55GMP - ITM
1 stop4h 40mJapan Airlines
Wed 18/616:55ITM - GMP
1 stop4h 55mJapan Airlines
Deal found 28/4£266
Sat 14/607:55GMP - CTS
1 stop12h 20mJapan Airlines
Sat 21/610:45CTS - GMP
1 stop11h 05mJapan Airlines
Deal found 30/4£274
Mon 9/610:30GMP - CTS
1 stop5h 45mKorean Air
Fri 13/617:15CTS - GMP
1 stop18h 35mKorean Air
Deal found 29/4£277
Tue 13/515:45GMP - HND
Nonstop2h 05mAsiana Airlines
Sun 18/520:05HND - GMP
Nonstop2h 20mAsiana Airlines
Deal found 30/4£283
Mon 4/807:40GMP - CTS
1 stop6h 55mANA
Thu 7/812:05CTS - GMP
1 stop6h 30mANA
Deal found 29/4£283
Tue 29/418:40GMP - HND
Nonstop2h 20mKorean Air
Thu 8/519:45HND - GMP
Nonstop2h 20mKorean Air
Deal found 28/4£289
Sun 18/516:30GMP - HND
1 stop5h 30mMultiple Airlines
Wed 21/508:05HND - GMP
1 stop7h 35mMultiple Airlines
Deal found 29/4£302
Sat 14/619:05GMP - CTS
2 stops20h 45mMultiple Airlines
Sat 21/617:15CTS - GMP
1 stop16h 35mMultiple Airlines
Deal found 30/4£397

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 30 April 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

SeoulSapporo

GMP - CTS

GMPCTS

Seoul Gimpo Intl

Wed 11/6

06:20-13:30

1 stop7h 10m

Sapporo Chitose

Thu 19/6

14:30-08:20

1 stop17h 50m

£170

SeoulOsaka

GMP - ITM

GMPITM

Seoul Gimpo Intl

Wed 16/7

07:40-13:05

1 stop5h 25m

Osaka Itami

Tue 22/7

16:50-22:20

1 stop5h 30m

£227

SeoulTokyo

GMP - HND

GMPHND

Seoul Gimpo Intl

Wed 11/6

07:40-09:50

Nonstop2h 10m

Tokyo Haneda

Thu 19/6

20:05-22:20

Nonstop2h 15m

£236

SeoulTokyo

GMP - HND

GMPHND

Seoul Gimpo Intl

Tue 5/8

07:55-10:00

Nonstop2h 05m

Tokyo Haneda

Wed 6/8

15:40-18:00

Nonstop2h 20m

£256

SeoulOsaka

GMP - ITM

GMPITM

Seoul Gimpo Intl

Tue 17/6

07:55-12:35

1 stop4h 40m

Osaka Itami

Wed 18/6

16:55-21:50

1 stop4h 55m

£266

SeoulSapporo

GMP - CTS

GMPCTS

Seoul Gimpo Intl

Sat 14/6

07:55-20:15

1 stop12h 20m

Sapporo Chitose

Sat 21/6

10:45-21:50

1 stop11h 05m

£274

SeoulSapporo

GMP - CTS

GMPCTS

Seoul Gimpo Intl

Mon 9/6

08:00-16:15

1 stop8h 15m

Sapporo Chitose

Thu 12/6

17:15-11:50

1 stop18h 35m

£277

SeoulTokyo

GMP - HND

GMPHND

Seoul Gimpo Intl

Tue 13/5

15:45-17:50

Nonstop2h 05m

Tokyo Haneda

Sun 18/5

20:05-22:25

Nonstop2h 20m

£283

SeoulSapporo

GMP - CTS

GMPCTS

Seoul Gimpo Intl

Mon 4/8

07:40-14:35

1 stop6h 55m

Sapporo Chitose

Thu 7/8

12:05-18:35

1 stop6h 30m

£283

SeoulTokyo

GMP - HND

GMPHND

Seoul Gimpo Intl

Sun 18/5

16:30-22:00

1 stop5h 30m

Tokyo Haneda

Wed 21/5

08:05-15:40

1 stop7h 35m

£302

Flights are sorted by cheapest return flights first.

Deals found on 29/4

Showing 1-10 of 24 results
1
2
3

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, November is the cheapest month in which you can book a flight from South Korea to Japan (average of £550). Flying from South Korea to Japan in July is currently the most expensive (average of £1,239). 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 30 April 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from South Korea to Japan as you normally would.

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 30 April 2025.

The most flights from KR0 to JP0 are scheduled on a Monday (51 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (39 on average).

Rainfall in Japan by month

Plan your trip to Japan by taking into account the average rainfall totals by month.

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.

Temperature in Japan by month

Plan your trip to Japan by taking into account the average temperature totals by month.

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).

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 30 April 2025.
Peruse reviews from past customers who have flown with Korean Air, Japan Airlines and ANA from South Korea to Japan to help guide your decision. 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.
Korean Air
8.4
Very Good
1,068 reviews
Check prices

Boarding

8.5

Overall

8.4

Comfort

8.3

Entertainment

8.2

Crew

8.7

Food

8.1

Reviews

1 / 20
10.0
Excellent

David,Dec 2024

JFK - MCO

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.
Korean Air
8.4
Very Good
1,068 reviews
Korean Air
8.4
Very Good
1,068 reviews
Check prices

Boarding

8.5

Overall

8.4

Comfort

8.3

Entertainment

8.2

Crew

8.7

Food

8.1

Reviews

1 / 20
10.0
Excellent

David,Dec 2024

JFK - MCO

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.
Japan Airlines
8.3
Very Good
1,459 reviews
Korean Air
8.4
Very Good
1,068 reviews
Check prices

Boarding

8.5

Overall

8.4

Comfort

8.3

Entertainment

8.2

Crew

8.7

Food

8.1

Reviews

1 / 20
10.0
Excellent

David,Dec 2024

JFK - MCO

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.
ANA
8.3
Very Good
852 reviews
Korean Air
8.4
Very Good
1,068 reviews
Check prices

Boarding

8.5

Overall

8.4

Comfort

8.3

Entertainment

8.2

Crew

8.7

Food

8.1

Reviews

1 / 20
10.0
Excellent

David,Dec 2024

JFK - MCO

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.
Asiana Airlines
8.2
Very Good
442 reviews
Korean Air
8.4
Very Good
1,068 reviews
Check prices

Boarding

8.5

Overall

8.4

Comfort

8.3

Entertainment

8.2

Crew

8.7

Food

8.1

Reviews

1 / 20
10.0
Excellent

David,Dec 2024

JFK - MCO

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

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.

  • 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 Jeju Air (£72), Japan Airlines (£146), and ANA (£158).

  • 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, November is the cheapest month in which you can book a flight from South Korea to Japan (average of £550). Flying from South Korea to Japan in July is currently the most expensive (average of £1,239). 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

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

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See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from South Korea to Japan

Discover the top 5 airlines that operate flights from South Korea to Japan. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 30 April 2025.
AirlineCheapestAverageFlexibilityOn-time
Jeju AirCheapest£106Average£166FlexibilityNo cancel feeOn-timeN/A
Search Jeju Air flights
Eastar JetCheapest£139Average£190FlexibilityNo cancel feeOn-time86%
Search Eastar Jet flights
Korean AirCheapest£143Average£152FlexibilityNo cancel feeOn-time81%
Search Korean Air flights
Asiana AirlinesCheapest£171Average£191FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights
ANACheapest£210Average£210FlexibilityNo cancel feeOn-time80%
Search ANA flights

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

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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.

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

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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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