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Cheap flights from London Heathrow Airport to Jeju-do from £365

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 28/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — CJU
12 Oct — 19 Oct1
1 adult
1 adult, Economy

Cheap flight deals from Heathrow to Jeju-do

Keep the following information in mind while searching for Heathrow to Jeju-do flight deals. Data was last updated 12 September 2025.

Round-trip from

£495

One-way from

£365

Popular in

August

Cheapest in

December

Average price

£858
China Eastern
  • China Eastern
  • 1/12-6/12
  • 2 total stops
  • 67h 30m total
  • London to Jeju-do
Search Deals
China Eastern
  • China Eastern
  • 28/9
  • 1 total stop
  • 31h 10m total
  • London to Jeju-do
Search Deals
Highest demand for flights based on searches. 28% potential increase in price (£178 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
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Find flight deals from Heathrow to Jeju-do

Cheapest flights from Heathrow to Jeju-do
Explore the most affordable flight options available from Heathrow to Jeju-do. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 September 2025.

Mon 1/1221:00LHR - CJU
1 stop30h 50mChina Eastern
Sat 6/1213:50CJU - LHR
1 stop36h 40mChina Eastern
Deal found 10/9£495
Mon 1/1221:00LHR - CJU
1 stop30h 50mMultiple Airlines
Sat 6/1208:55CJU - LHR
2 stops42h 00mMultiple Airlines
Deal found 10/9£599
Fri 3/1021:20LHR - CJU
1 stop31h 10mChina Eastern
Fri 24/1013:40CJU - LHR
1 stop37h 00mChina Eastern
Deal found 10/9£621
Fri 10/1021:10LHR - CJU
2 stops33h 15mMultiple Airlines
Fri 17/1016:00CJU - LHR
1 stop34h 40mMultiple Airlines
Deal found 12/9£651
Thu 23/1010:20LHR - CJU
2 stops19h 00mMultiple Airlines
Thu 30/1022:25CJU - LHR
2 stops30h 15mMultiple Airlines
Deal found 10/9£729
Tue 23/921:20LHR - CJU
1 stop31h 10mChina Eastern
Fri 26/916:00CJU - LHR
1 stop34h 40mChina Eastern
Deal found 10/9£735
Tue 23/921:00LHR - CJU
2 stops26h 50mMultiple Airlines
Fri 26/913:40CJU - LHR
1 stop37h 00mMultiple Airlines
Deal found 10/9£780

Cheapflights Fare Finder

 
Customise your flight search to find flights from Heathrow 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 12 September 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Jeju-do that are best for you.

Fly from

Heathrow

Fly to

Jeju-do

Route

Depart

Return

Price

LondonJeju City

LHR - CJU

LHRCJU

London Heathrow

Mon 1/12

21:00-12:50

1 stop30h 50m

Jeju City

Sat 6/12

13:50-17:30

1 stop36h 40m

£495

LondonJeju City

LHR - CJU

LHRCJU

London Heathrow

Tue 17/2

17:40-21:35

1 stop18h 55m

Jeju City

Sat 28/2

22:35-15:55

1 stop26h 20m

£553

LondonJeju City

LHR - CJU

LHRCJU

London Heathrow

Mon 1/12

21:00-12:50

1 stop30h 50m

Jeju City

Sat 6/12

08:55-17:55

2 stops42h 00m

£599

LondonJeju City

LHR - CJU

LHRCJU

London Heathrow

Fri 3/10

21:20-12:30

1 stop31h 10m

Jeju City

Fri 24/10

13:40-18:40

1 stop37h 00m

£621

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

Tue 17/2

09:30-21:20

2 stops26h 50m

Jeju City

Sat 28/2

22:20-06:35

2 stops41h 15m

£716

LondonJeju City

LHR - CJU

LHRCJU

London Heathrow

Thu 8/1

21:35-21:35

2 stops39h 00m

Jeju City

Thu 22/1

22:35-17:50

1 stop28h 15m

£723

LondonJeju City

LHR - CJU

LHRCJU

London Heathrow

Thu 23/10

10:20-13:20

2 stops19h 00m

Jeju City

Thu 30/10

22:25-19:40

2 stops30h 15m

£729

LondonJeju City

LHR - CJU

LHRCJU

London Heathrow

Tue 23/9

21:20-12:30

1 stop31h 10m

Jeju City

Fri 26/9

16:00-18:40

1 stop34h 40m

£735

LondonJeju City

LHR - CJU

LHRCJU

London Heathrow

Sun 28/9

21:20-07:20

2 stops26h 00m

£369

Flights are sorted by cheapest return flights first.

Deals found on 9/9

Showing 1-10 of 14 results
1
2

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

Have a flexible travel schedule? Discover the best time to fly to Jeju-do from Heathrow 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 Heathrow Airport 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 12 September 2025.
Get a feel of what it's like to fly with China Eastern from London Heathrow Airport to Jeju-do by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
China Eastern
7.2
Good
165 reviews
Check prices

Entertainment

6.2

Crew

7.9

Boarding

7.7

Comfort

7.3

Overall

7.2

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

Crew

7.9

Boarding

7.7

Comfort

7.3

Overall

7.2

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 Heathrow 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 Heathrow Airport to Jeju-do?

    For as low as £553, China Eastern can have you in Jeju-do from London Heathrow Airport in 18h 55m. There are 5739 mi between London Heathrow Airport and Jeju-do. This flight may include one or multiple stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Heathrow 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

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Heathrow to Jeju-do

Discover the top airline that operate flights from Heathrow 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 12 September 2025.
AirlineCheapestAverageFlexibilityOn-time
China EasternCheapest£365Average£498FlexibilityNo cancel feeOn-time62%
Search China Eastern flights

Fly with Cheapflights

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

Cheapflights makes it easy to find Heathrow to Jeju-do flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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