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Cheap flights from London Heathrow Airport to Jeju-do from £321

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 26/11. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — CJU
11 Dec — 18 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 11 November 2025.

Round-trip from

£501

One-way from

£321

Popular in

February

Cheapest in

December

Average price

£518
China Eastern
  • China Eastern
  • 21/11-29/11
  • 2 total stops
  • 69h 05m total
  • London to Jeju-do
Search Deals
26/11
  • 26/11
  • 2 total stops
  • 38h 20m 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 (£27 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 11 November 2025.

Fri 21/1121:10LHR - CJU
1 stop32h 25mMultiple Airlines
Sat 29/1113:50CJU - LHR
1 stop36h 40mMultiple Airlines
Deal found 10/11£501
Fri 21/1117:50LHR - CJU
1 stop27h 50mCathay Pacific
Sat 29/1107:55CJU - LHR
1 stop21h 15mCathay Pacific
Deal found 10/11£822
Fri 21/1114:45LHR - CJU
2 stops37h 05mChina Eastern
Sat 29/1113:50CJU - LHR
2 stops50h 50mChina Eastern
Deal found 10/11£1,139

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 11 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

Fri 21/11

21:10-14:35

1 stop32h 25m

Jeju City

Sat 29/11

13:50-17:30

1 stop36h 40m

£501

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

Fri 21/11

17:50-06:40

1 stop27h 50m

Jeju City

Sat 29/11

07:55-20:10

1 stop21h 15m

£822

LondonJeju City

LHR - CJU

LHRCJU

London Heathrow

Mon 30/3

21:00-20:00

2 stops39h 00m

Jeju City

Thu 9/4

08:00-18:05

2 stops42h 05m

£923

LondonJeju City

LHR - CJU

LHRCJU

London Heathrow

Sun 29/3

22:05-13:55

1 stop31h 50m

Jeju City

Thu 9/4

15:00-20:00

1 stop37h 00m

£951

LondonJeju City

LHR - CJU

LHRCJU

London Heathrow

Sat 3/1

16:25-21:20

2 stops19h 55m

Jeju City

Sat 10/1

14:20-13:30

2 stops32h 10m

£1,003

LondonJeju City

LHR - CJU

LHRCJU

London Heathrow

Tue 31/3

22:40-21:05

1 stop14h 25m

Jeju City

Thu 9/4

15:00-20:00

1 stop37h 00m

£1,009

LondonJeju City

LHR - CJU

LHRCJU

London Heathrow

Sat 28/3

21:10-13:55

1 stop31h 45m

Jeju City

Thu 9/4

15:00-20:00

1 stop37h 00m

£1,058

LondonJeju City

LHR - CJU

LHRCJU

London Heathrow

Wed 26/11

21:30-20:50

2 stops38h 20m

£321

LondonJeju City

LHR - CJU

LHRCJU

London Heathrow

Sat 15/11

21:30-21:10

2 stops38h 40m

£385

Flights are sorted by cheapest return flights first.

Deals found on 10/11

Showing 1-10 of 18 results
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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.

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

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

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