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Cheap flights from London to Jeju-do from £299

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 19/10. Fares are subject to change and may not be available on all flights or dates of travel.
LON — CJU
6 Sep — 13 Sep1
1 adult

Cheap flight deals from London to Jeju-do

Keep the following information in mind while searching for London to Jeju-do flight deals. Data was last updated 1 September 2025.

Round-trip from

£517

One-way from

£299

Popular in

August

Cheapest in

December

Average price

£860
China Eastern
  • China Eastern
  • 14/11-30/11
  • 3 total stops
  • 68h 30m total
  • London to Jeju-do
Search Deals
19/10
  • 19/10
  • 2 total stops
  • 39h 05m total
  • London to Jeju-do
Search Deals
Highest demand for flights based on searches. 28% potential increase in price (£179 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£25 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from London to Jeju-do

Cheapest flights from London to Jeju-do
Explore the most affordable flight options available from London to Jeju-do. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 September 2025.

Fri 14/1121:30LHR - CJU
2 stops33h 40mMultiple Airlines
Sun 30/1115:40CJU - LHR
1 stop34h 50mMultiple Airlines
Deal found 31/8£517
Fri 14/1117:40LHR - CJU
1 stop18h 55mAir China
Sun 30/1122:35CJU - LHR
1 stop28h 15mAir China
Deal found 31/8£574
Tue 2/911:45LHR - CJU
2 stops26h 50mMultiple Airlines
Sat 6/921:35CJU - LHR
2 stops42h 05mMultiple Airlines
Deal found 31/8£805
Thu 4/909:30LHR - CJU
2 stops21h 45mMultiple Airlines
Fri 19/914:00CJU - LHR
1 stop37h 50mMultiple Airlines
Deal found 30/8£848
Thu 4/909:00LHR - CJU
2 stops19h 30mChina Eastern
Thu 18/919:10CJU - LHR
2 stops34h 15mChina Eastern
Deal found 30/8£854
Thu 4/921:05LHR - CJU
3 stops31h 25mMultiple Airlines
Thu 18/917:40CJU - LHR
3 stops33h 20mMultiple Airlines
Deal found 30/8£924

Cheapflights Fare Finder

 
Customise your flight search to find flights from London to Jeju-do 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 1 September 2025.
Use the filters below to find and compare flights from London to Jeju-do that are best for you.

Fly from

London

Fly to

Jeju-do

Route

Depart

Return

Price

LondonJeju City

LHR - CJU

LHRCJU

London Heathrow

Fri 14/11

21:30-16:10

2 stops33h 40m

Jeju City

Sun 30/11

15:40-17:30

1 stop34h 50m

£517

LondonJeju City

LHR - CJU

LHRCJU

London Heathrow

Fri 14/11

17:40-21:35

1 stop18h 55m

Jeju City

Sun 30/11

22:35-17:50

1 stop28h 15m

£574

LondonJeju City

LHR - CJU

LHRCJU

London Heathrow

Wed 11/2

17:40-21:35

1 stop18h 55m

Jeju City

Sun 22/2

22:35-17:50

1 stop28h 15m

£808

LondonJeju City

LHR - CJU

LHRCJU

London Heathrow

Thu 12/2

18:50-20:30

1 stop16h 40m

Jeju City

Sun 22/2

07:00-16:30

1 stop18h 30m

£905

LondonJeju City

LHR - CJU

LHRCJU

London Heathrow

Wed 11/2

17:40-21:35

1 stop18h 55m

Jeju City

Sun 22/2

19:15-17:50

2 stops31h 35m

£961

LondonJeju City

LHR - CJU

LHRCJU

London Heathrow

Mon 22/12

20:10-22:15

1 stop17h 05m

Jeju City

Wed 31/12

07:10-18:05

1 stop19h 55m

£980

LondonJeju City

LHR - CJU

LHRCJU

London Heathrow

Wed 17/12

20:10-22:15

1 stop17h 05m

Jeju City

Wed 31/12

07:10-18:05

1 stop19h 55m

£980

LondonJeju City

LHR - CJU

LHRCJU

London Heathrow

Thu 18/12

20:10-18:55

1 stop37h 45m

Jeju City

Wed 31/12

07:10-18:05

1 stop19h 55m

£980

LondonJeju City

LHR - CJU

LHRCJU

London Heathrow

Thu 12/2

06:30-11:20

2 stops19h 50m

Jeju City

Sun 22/2

22:35-15:55

1 stop26h 20m

£995

LondonJeju City

LHR - CJU

LHRCJU

London Heathrow

Tue 23/12

20:10-07:30

1 stop26h 20m

Jeju City

Wed 31/12

07:10-18:05

1 stop19h 55m

£1,007

Flights are sorted by cheapest return flights first.

Deals found on 30/8

Showing 1-10 of 15 results
1
2

Best time to book a flight from London to Jeju-do

Have a flexible travel schedule? Discover the best time to fly to Jeju-do from London 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 London to Jeju-do
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Jeju-do

Get insights into the airlines that provide service to Jeju-do. 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 Jeju-do. Reviews last updated 1 September 2025.
Check out reviews from past customers who have flown with Air China and China Eastern from London to Jeju-do to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air China
7.3
Good
96 reviews
Check prices

Food

7.0

Boarding

7.7

Overall

7.3

Crew

7.9

Comfort

7.0

Entertainment

6.1

Reviews

1 / 1
10.0
Excellent

Vanina,Jun 2025

LHR - PEK

Very good but something happened with my flight # my booking had a 22.40 departure only to find out when check in that I was booked on the 20.40 flight so I had to run through a short connection. Never k we why this happened.
Air China
7.3
Good
96 reviews
Air China
7.3
Good
96 reviews
Check prices

Food

7.0

Boarding

7.7

Overall

7.3

Crew

7.9

Comfort

7.0

Entertainment

6.1

Reviews

1 / 1
10.0
Excellent

Vanina,Jun 2025

LHR - PEK

Very good but something happened with my flight # my booking had a 22.40 departure only to find out when check in that I was booked on the 20.40 flight so I had to run through a short connection. Never k we why this happened.
China Eastern
7.2
Good
164 reviews
Air China
7.3
Good
96 reviews
Check prices

Food

7.0

Boarding

7.7

Overall

7.3

Crew

7.9

Comfort

7.0

Entertainment

6.1

Reviews

1 / 1
10.0
Excellent

Vanina,Jun 2025

LHR - PEK

Very good but something happened with my flight # my booking had a 22.40 departure only to find out when check in that I was booked on the 20.40 flight so I had to run through a short connection. Never k we why this happened.

Related info for your journey

Find useful and relevant information for your journey from London to Jeju-do. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from London to Jeju-do?

    Air China and Korean Air can get you from London to Jeju-do in just under 16h 40m. Your travel time can differ by up to 2h 15m. The distance between London and Jeju-do is about 5739 mi. This flight may include one or multiple stops.

  • Can I find deals for flights from London to Jeju-do that include hotel bookings?

    Yes. In addition to deals on London to Jeju-do flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from London to Jeju-do?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Jeju-do.

  • Can I find deals for business class flights from London to Jeju-do?

    Yes. Cheapflights offers flight deals from London to Jeju-do by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Alternative routes for London to Jeju-do

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from London to Jeju-do

Discover the top 2 airlines that operate flights from London to Jeju-do. 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 1 September 2025.
AirlineCheapestAverageFlexibilityOn-time
China EasternCheapest£366Average£501FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Asiana AirlinesCheapest£855Average£951FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights

Fly with Cheapflights

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How does Cheapflights help users find flights from London to Jeju-do?

When you search for this flight from London to Jeju-do, 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 London to Jeju-do?

Cheapflights simply makes it quick and affordable to book flights from London to Jeju-do by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from London to Jeju-do with no change fees?

Yes! Cheapflights helps users easily find flights from London to Jeju-do with no change fees.

Can Cheapflights notify me if prices for flights from London to Jeju-do become cheaper?

Of course! You can now track prices for flights from London to Jeju-do and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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