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Cheap flights from London Heathrow Airport to Jeju-do from £318

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 14/1. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — CJU
2 Jan — 9 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap 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 3 December 2025.

Sun 7/1219:20LHR - CJU
2 stops32h 30mChina Eastern
Wed 10/1213:50CJU - LHR
1 stop36h 40mChina Eastern
Deal found 1/12£873
Sun 7/1222:05LHR - CJU
1 stop23h 35mCathay Pacific
Wed 10/1207:55CJU - LHR
1 stop40h 05mCathay Pacific
Deal found 30/11£918

Find 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 3 December 2025.

Round-trip from

£547

One-way from

£318

Popular in

February

Cheapest in

December

Average price

£416
China Eastern
  • China Eastern
  • 15/1-22/1
  • 3 total stops
  • 56h 30m total
  • London to Jeju-do
Search Deals
14/1
  • 14/1
  • 1 total stop
  • 16h 20m total
  • London to Jeju-do
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£62 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 December 2025
Search Deals

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 3 December 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

Thu 15/1

21:00-12:50

1 stop30h 50m

Jeju City

Thu 22/1

18:55-17:30

1 stop31h 35m

£554

LondonJeju City

LHR - CJU

LHRCJU

London Heathrow

Thu 15/1

21:30-16:00

2 stops33h 30m

Jeju City

Thu 22/1

10:45-17:55

2 stops40h 10m

£592

LondonJeju City

LHR - CJU

LHRCJU

London Heathrow

Wed 4/2

21:10-14:35

1 stop32h 25m

Jeju City

Tue 10/2

20:00-17:30

2 stops30h 30m

£619

LondonJeju City

LHR - CJU

LHRCJU

London Heathrow

Tue 7/4

21:20-12:30

1 stop31h 10m

Jeju City

Thu 16/4

13:40-18:40

1 stop37h 00m

£2,294

LondonJeju City

LHR - CJU

LHRCJU

London Heathrow

Wed 14/1

21:00-22:20

1 stop16h 20m

£318

Flights are sorted by cheapest return flights first.

Deals found on 30/11

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 £554, China Eastern can have you in Jeju-do from London Heathrow Airport in 30h 50m. 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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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.

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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