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Cheap flights from London to Jeju-do from £395

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 12/10. Fares are subject to change and may not be available on all flights or dates of travel.
LON — CJU
13 Oct — 20 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 13 September 2025.

Round-trip from

£482

One-way from

£395

Popular in

February

Cheapest in

December

Average price

£780
China Eastern
  • China Eastern
  • 28/10-4/11
  • 2 total stops
  • 72h 35m total
  • London to Jeju-do
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China Eastern
  • China Eastern
  • 12/10
  • 1 total stop
  • 36h 50m total
  • London to Jeju-do
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£60 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£23 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2025
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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 13 September 2025.

Tue 28/1021:00LHR - CJU
1 stop35h 55mChina Eastern
Tue 4/1113:50CJU - LHR
1 stop36h 40mChina Eastern
Deal found 13/9£482
Tue 4/1117:40LHR - CJU
1 stop18h 55mAir China
Thu 27/1122:35CJU - LHR
1 stop28h 15mAir China
Deal found 13/9£493
Tue 4/1121:00LHR - CJU
1 stop30h 50mChina Eastern
Thu 27/1113:50CJU - LHR
1 stop36h 40mChina Eastern
Deal found 12/9£535
Tue 28/1020:25LHR - CJU
2 stops25h 15mMultiple Airlines
Tue 4/1113:50CJU - LHR
1 stop36h 40mMultiple Airlines
Deal found 13/9£553
Tue 4/1121:00LHR - CJU
1 stop15h 20mMultiple Airlines
Thu 27/1107:50CJU - LHR
2 stops43h 05mMultiple Airlines
Deal found 12/9£554
Mon 27/1021:00LHR - CJU
1 stop28h 05mMultiple Airlines
Mon 3/1120:05CJU - LHR
2 stops54h 25mMultiple Airlines
Deal found 12/9£556

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 13 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 28/10

21:00-17:55

1 stop35h 55m

Jeju City

Tue 4/11

13:50-17:30

1 stop36h 40m

£482

LondonJeju City

LHR - CJU

LHRCJU

London Heathrow

Tue 4/11

17:40-21:35

1 stop18h 55m

Jeju City

Thu 27/11

22:35-17:50

1 stop28h 15m

£493

LondonJeju City

LHR - CJU

LHRCJU

London Heathrow

Tue 28/10

20:25-06:40

2 stops25h 15m

Jeju City

Tue 4/11

13:50-17:30

1 stop36h 40m

£553

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

£554

LondonJeju City

LHR - CJU

LHRCJU

London Heathrow

Mon 27/10

21:00-10:05

1 stop28h 05m

Jeju City

Mon 3/11

20:05-17:30

2 stops54h 25m

£556

LondonJeju City

LHR - CJU

LHRCJU

London Heathrow

Tue 4/11

14:45-12:50

2 stops37h 05m

Jeju City

Thu 27/11

18:55-21:25

2 stops35h 30m

£601

LondonJeju City

LHR - CJU

LHRCJU

London Heathrow

Mon 27/10

11:45-12:50

2 stops40h 05m

Jeju City

Mon 3/11

13:50-21:25

2 stops40h 35m

£632

LondonJeju City

LHR - CJU

LHRCJU

London Heathrow

Fri 10/10

21:10-14:25

2 stops33h 15m

Jeju City

Fri 17/10

16:00-18:40

1 stop34h 40m

£651

LondonJeju City

LHR - CJU

LHRCJU

London Heathrow

Sun 12/10

21:20-20:35

1 stop15h 15m

£457

LondonJeju City

LHR - CJU

LHRCJU

London Heathrow

Sat 11/10

22:25-20:35

3 stops38h 10m

£493

Flights are sorted by cheapest return flights first.

Deals found on 12/9

Showing 1-10 of 11 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

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 13 September 2025.
Check out reviews from past customers who have flown with China Eastern and Air China 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.
China Eastern
7.2
Good
165 reviews
Check prices

Entertainment

6.2

Overall

7.2

Boarding

7.7

Crew

7.9

Comfort

7.3

Food

6.9

Reviews

1 / 4
2.0
Mediocre

Jordan,Jun 2025

PHX - LAX

Bad. I completely lost my bags. And, I can't even get in contact with anyone to find them.
China Eastern
7.2
Good
165 reviews
China Eastern
7.2
Good
165 reviews
Check prices

Entertainment

6.2

Overall

7.2

Boarding

7.7

Crew

7.9

Comfort

7.3

Food

6.9

Reviews

1 / 4
2.0
Mediocre

Jordan,Jun 2025

PHX - LAX

Bad. I completely lost my bags. And, I can't even get in contact with anyone to find them.
Air China
7.2
Good
99 reviews
China Eastern
7.2
Good
165 reviews
Check prices

Entertainment

6.2

Overall

7.2

Boarding

7.7

Crew

7.9

Comfort

7.3

Food

6.9

Reviews

1 / 4
2.0
Mediocre

Jordan,Jun 2025

PHX - LAX

Bad. I completely lost my bags. And, I can't even get in contact with anyone to find them.

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?

    China Eastern and Air China can get you from London to Jeju-do in just under 18h 55m. Your travel time can differ by up to 17h. 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 13 September 2025.
AirlineCheapestAverageFlexibilityOn-time
China EasternCheapest£365Average£497FlexibilityNo 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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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.

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