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Cheap flights from London to Jeju-do from £446

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/11. Fares are subject to change and may not be available on all flights or dates of travel.
LON — CJU
18 Oct — 25 Oct1
1 adult
1 adult, Economy

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 18 September 2025.

Round-trip from

£446

Popular in

February

Cheapest in

December

Average price

£774
Air China
  • Air China
  • 4/11-27/11
  • 2 total stops
  • 42h 30m total
  • London to Jeju-do
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£59 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£22 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 18 September 2025.

Tue 4/1120:25LHR - CJU
1 stop16h 10mAir China
Thu 27/1122:35CJU - LHR
1 stop26h 20mAir China
Deal found 17/9£446
Thu 18/921:20LHR - CJU
1 stop31h 10mChina Eastern
Sat 18/1013:40CJU - LHR
1 stop37h 00mChina Eastern
Deal found 17/9£499
Tue 4/1121:00LHR - CJU
1 stop15h 20mMultiple Airlines
Thu 27/1107:50CJU - LHR
2 stops43h 05mMultiple Airlines
Deal found 17/9£540
Thu 30/1021:00LHR - CJU
1 stop30h 50mChina Eastern
Thu 6/1118:55CJU - LHR
1 stop31h 35mChina Eastern
Deal found 15/9£554
Thu 2/1021:00LHR - CJU
2 stops39h 35mMultiple Airlines
Mon 13/1019:10CJU - LHR
1 stop31h 30mMultiple Airlines
Deal found 16/9£562
Fri 31/1007:00LHR - CJU
3 stops26h 30mMultiple Airlines
Fri 7/1115:40CJU - LHR
1 stop34h 50mMultiple Airlines
Deal found 16/9£563

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 18 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

Tue 4/11

20:25-21:35

1 stop16h 10m

Jeju City

Thu 27/11

22:35-15:55

1 stop26h 20m

£446

LondonJeju City

LHR - CJU

LHRCJU

London Heathrow

Tue 4/11

21:00-21:20

1 stop15h 20m

Jeju City

Thu 27/11

07:50-17:55

2 stops43h 05m

£540

LondonJeju City

LHR - CJU

LHRCJU

London Heathrow

Thu 30/10

21:00-12:50

1 stop30h 50m

Jeju City

Thu 6/11

18:55-17:30

1 stop31h 35m

£554

LondonJeju City

LHR - CJU

LHRCJU

London Heathrow

Fri 31/10

07:00-18:30

3 stops26h 30m

Jeju City

Fri 7/11

15:40-17:30

1 stop34h 50m

£563

LondonJeju City

LHR - CJU

LHRCJU

London Heathrow

Thu 30/10

07:00-15:50

3 stops23h 50m

Jeju City

Thu 6/11

18:55-17:30

1 stop31h 35m

£604

LondonJeju City

LHR - CJU

LHRCJU

London Heathrow

Sat 11/10

22:25-09:20

3 stops50h 55m

£462

LondonJeju City

LHR - CJU

LHRCJU

London Heathrow

Sat 11/10

22:05-13:55

1 stop31h 50m

£591

LondonJeju City

LHR - CJU

LHRCJU

London Heathrow

Sat 11/10

21:20-12:30

1 stop31h 10m

£734

LondonJeju City

LHR - CJU

LHRCJU

London Heathrow

Fri 7/11

19:50-08:00

3 stops51h 10m

£1,184

LondonJeju City

LHR - CJU

LHRCJU

London Heathrow

Sat 11/10

22:15-06:20

1 stop24h 05m

£1,284

Flights are sorted by cheapest return flights first.

Deals found on 15/9

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

How much does it cost for a return flight from London to Jeju-do?

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 18 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
101 reviews
Check prices

Comfort

7.0

Entertainment

6.2

Food

7.0

Boarding

7.7

Crew

7.9

Overall

7.3

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
101 reviews
Air China
7.3
Good
101 reviews
Check prices

Comfort

7.0

Entertainment

6.2

Food

7.0

Boarding

7.7

Crew

7.9

Overall

7.3

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
166 reviews
Air China
7.3
Good
101 reviews
Check prices

Comfort

7.0

Entertainment

6.2

Food

7.0

Boarding

7.7

Crew

7.9

Overall

7.3

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 China Eastern can get you from London to Jeju-do in just under 16h 10m. Your travel time can differ by up to 14h 40m. 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 airline flying from London to Jeju-do

Discover the top airline 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 18 September 2025.
AirlineCheapestAverageFlexibilityOn-time
China EasternCheapest£363Average£494FlexibilityNo cancel feeOn-time62%
Search China Eastern 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?

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

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