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Cheap flights from London Heathrow Airport to Jeju-do from £336

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 13/3. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — CJU
19 Dec — 26 Dec1
1 adult
1 adult, Economy, 0 bags

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 19 November 2025.

Round-trip from

£545

One-way from

£336

Popular in

February

Cheapest in

December

Average price

£519
Shenzhen Airlines
  • Shenzhen Airlines
  • 2/3-6/3
  • 2 total stops
  • 69h 00m total
  • London to Jeju-do
Search Deals
Shenzhen Airlines
  • Shenzhen Airlines
  • 13/3
  • 1 total stop
  • 32h 25m total
  • London to Jeju-do
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£63 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£28 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Find flight deals from Heathrow to Jeju-do

Enter your travel dates to find the best prices.

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 19 November 2025.

Mon 1/1221:10LHR - CJU
1 stop32h 25mMultiple Airlines
Mon 15/1213:50CJU - LHR
1 stop36h 40mMultiple Airlines
Deal found 16/11£430
Wed 3/1219:45LHR - CJU
2 stops25h 55mMultiple Airlines
Mon 15/1213:50CJU - LHR
1 stop36h 40mMultiple Airlines
Deal found 16/11£541
Wed 3/1206:20LHR - CJU
2 stops21h 30mChina Eastern
Mon 15/1213:50CJU - LHR
2 stops29h 40mChina Eastern
Deal found 16/11£661
Thu 18/1213:30LHR - CJU
2 stops22h 55mMultiple Airlines
Thu 25/1222:25CJU - LHR
2 stops32h 15mMultiple Airlines
Deal found 18/11£954
Thu 18/1221:00LHR - CJU
1 stop30h 50mChina Eastern
Thu 25/1218:55CJU - LHR
1 stop31h 35mChina Eastern
Deal found 18/11£1,303

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 19 November 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

21:10-14:35

1 stop32h 25m

Jeju City

Mon 15/12

13:50-17:30

1 stop36h 40m

£430

LondonJeju City

LHR - CJU

LHRCJU

London Heathrow

Wed 3/12

19:45-06:40

2 stops25h 55m

Jeju City

Mon 15/12

13:50-17:30

1 stop36h 40m

£541

LondonJeju City

LHR - CJU

LHRCJU

London Heathrow

Mon 2/3

21:10-14:35

1 stop32h 25m

Jeju City

Fri 6/3

15:35-19:10

1 stop36h 35m

£546

LondonJeju City

LHR - CJU

LHRCJU

London Heathrow

Wed 3/12

06:20-12:50

2 stops21h 30m

Jeju City

Mon 15/12

13:50-10:30

2 stops29h 40m

£661

LondonJeju City

LHR - CJU

LHRCJU

London Heathrow

Fri 2/1

15:45-21:25

2 stops20h 40m

Jeju City

Fri 9/1

15:35-19:10

1 stop36h 35m

£830

LondonJeju City

LHR - CJU

LHRCJU

London Heathrow

Thu 18/12

13:30-21:25

2 stops22h 55m

Jeju City

Thu 25/12

22:25-21:40

2 stops32h 15m

£954

LondonJeju City

LHR - CJU

LHRCJU

London Heathrow

Fri 13/3

21:10-14:35

1 stop32h 25m

£336

LondonJeju City

LHR - CJU

LHRCJU

London Heathrow

Fri 13/3

21:00-19:10

3 stops37h 10m

£423

Flights are sorted by cheapest return flights first.

Deals found on 16/11

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.

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 £546, Shenzhen Airlines can have you in Jeju-do from London Heathrow Airport in 32h 25m. There are 5739 mi between London Heathrow Airport and Jeju-do.

  • 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

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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.

Why should you use Cheapflights to find cheap flight tickets from Heathrow to Jeju-do?

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 Heathrow to Jeju-do.

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