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Cheap flights from London Heathrow Airport to Jeju-do from £332

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 10/4. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — CJU
2 May — 9 May1
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 2 April 2026.

Sat 2/522:05
LHR
-
CJU
1 stop31h 50m
Shenzhen Airlines
Sun 10/514:00
CJU
-
LHR
1 stop37h 50m
Shenzhen Airlines
Deal found 31/3£437
Mon 11/522:05
LHR
-
CJU
1 stop30h 50m
Shenzhen Airlines
Thu 4/615:00
CJU
-
LHR
1 stop37h 00m
Shenzhen Airlines
Deal found 1/4£469
Mon 8/622:05
LHR
-
CJU
1 stop30h 50m
Shenzhen Airlines
Tue 30/615:00
CJU
-
LHR
1 stop37h 00m
Shenzhen Airlines
Deal found 1/4£470
Sat 13/622:05
LHR
-
CJU
1 stop31h 50m
Shenzhen Airlines
Sun 28/614:00
CJU
-
LHR
1 stop37h 50m
Shenzhen Airlines
Deal found 1/4£510
Fri 15/509:30
LHR
-
CJU
2 stops24h 00m
Multiple Airlines
Fri 22/510:30
CJU
-
LHR
2 stops28h 30m
Multiple Airlines
Deal found 31/3£628
Sat 13/622:05
LHR
-
CJU
1 stop31h 50m
Shenzhen Airlines
Fri 3/714:00
CJU
-
LHR
1 stop37h 50m
Shenzhen Airlines
Deal found 1/4£630
Mon 8/622:05
LHR
-
CJU
2 stops28h 35m
Multiple Airlines
Tue 30/615:00
CJU
-
LHR
1 stop37h 00m
Multiple Airlines
Deal found 1/4£631
Sat 2/521:00
LHR
-
CJU
2 stops41h 25m
Multiple Airlines
Sun 10/507:05
CJU
-
LHR
2 stops43h 00m
Multiple Airlines
Deal found 31/3£632
Mon 11/522:05
LHR
-
CJU
2 stops28h 35m
Multiple Airlines
Thu 4/615:00
CJU
-
LHR
1 stop37h 00m
Multiple Airlines
Deal found 1/4£633
Thu 14/521:00
LHR
-
CJU
2 stops37h 40m
Multiple Airlines
Thu 21/508:45
CJU
-
LHR
2 stops41h 20m
Multiple Airlines
Deal found 30/3£634
Tue 16/610:00
LHR
-
CJU
2 stops28h 30m
Multiple Airlines
Tue 30/615:00
CJU
-
LHR
1 stop37h 00m
Multiple Airlines
Deal found 1/4£642

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 2 April 2026.

Round-trip from

£437

One-way from

£332

Popular in

February

Cheapest in

April

Average price

£440
Shenzhen Airlines
  • Shenzhen Airlines
  • 2/5-10/5
  • 2 total stops
  • 69h 40m total
  • London to Jeju-do
Search Deals
Shenzhen Airlines
  • Shenzhen Airlines
  • 10/4
  • 1 total stop
  • 30h 50m total
  • London to Jeju-do
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (£150 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease (£46 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2026
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 2 April 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Jeju-do that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonJeju City

LHR - CJU

LHRCJU

London Heathrow

Wed 17/6

22:05-12:55

1 stop30h 50m

Jeju City

Tue 30/6

15:00-20:00

1 stop37h 00m

£510

LondonJeju City

LHR - CJU

LHRCJU

London Heathrow

Sun 14/6

22:05-13:55

1 stop31h 50m

Jeju City

Fri 3/7

14:00-19:50

1 stop37h 50m

£630

LondonJeju City

LHR - CJU

LHRCJU

London Heathrow

Fri 15/5

22:05-12:55

1 stop30h 50m

Jeju City

Fri 22/5

14:00-19:50

1 stop37h 50m

£675

LondonJeju City

LHR - CJU

LHRCJU

London Heathrow

Fri 19/6

22:05-12:55

1 stop30h 50m

Jeju City

Sun 28/6

14:00-19:50

1 stop37h 50m

£697

LondonJeju City

LHR - CJU

LHRCJU

London Heathrow

Fri 15/5

09:30-17:30

2 stops24h 00m

Jeju City

Fri 22/5

14:00-19:50

1 stop37h 50m

£764

LondonJeju City

LHR - CJU

LHRCJU

London Heathrow

Fri 19/6

22:05-12:55

1 stop30h 50m

Jeju City

Sat 27/6

15:00-20:00

1 stop37h 00m

£815
Fastest return journey

LondonJeju City

LHR - CJU

LHRCJU

London Heathrow

Sat 25/4

22:05-13:55

1 stop31h 50m

Jeju City

Sat 2/5

08:35-20:25

2 stops19h 50m

£820

LondonJeju City

LHR - CJU

LHRCJU

London Heathrow

Mon 18/5

21:20-15:00

1 stop33h 40m

Jeju City

Wed 20/5

19:10-18:40

1 stop31h 30m

£867
Cheapest one-way
Fastest single journey

LondonJeju City

LHR - CJU

LHRCJU

London Heathrow

Fri 10/4

22:05-12:55

1 stop30h 50m

£332

LondonJeju City

LHR - CJU

LHRCJU

London Heathrow

Sun 19/7

18:10-10:45

2 stops32h 35m

£745

Flights are sorted by cheapest return flights first.

Deals found on 29/3

Showing 1-10 of 11 resultsSorted by cheapest first
1
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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 £510, Shenzhen Airlines 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.

Can Cheapflights notify me if prices for flights from Heathrow to Jeju-do become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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