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Cheap flights from London Heathrow Airport to Jeju City from £342

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 18/5. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — CJU
15 May — 22 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to Jeju City

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Jeju City
Explore the most affordable flight options available from Heathrow to Jeju City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 April 2026.

Tue 12/510:00
LHR
-
CJU
2 stops28h 30m
Multiple Airlines
Mon 25/513:40
CJU
-
LHR
1 stop37h 00m
Multiple Airlines
Deal found 11/4£626
Sun 31/522:05
LHR
-
CJU
1 stop31h 50m
Shenzhen Airlines
Thu 4/615:00
CJU
-
LHR
1 stop37h 00m
Shenzhen Airlines
Deal found 13/4£705
Thu 19/1110:20
LHR
-
CJU
2 stops26h 05m
Multiple Airlines
Mon 7/1222:25
CJU
-
LHR
2 stops25h 50m
Multiple Airlines
Deal found 11/4£712
Wed 27/509:30
LHR
-
CJU
2 stops28h 05m
Multiple Airlines
Wed 3/611:45
CJU
-
LHR
2 stops35h 20m
Multiple Airlines
Deal found 12/4£737
Tue 26/506:40
LHR
-
CJU
3 stops31h 50m
Multiple Airlines
Tue 2/615:00
CJU
-
LHR
1 stop37h 00m
Multiple Airlines
Deal found 11/4£740
Tue 23/619:35
LHR
-
CJU
1 stop18h 10m
Korean Air
Sat 27/607:00
CJU
-
LHR
1 stop18h 20m
Korean Air
Deal found 14/4£799

Find flight deals from Heathrow to Jeju City

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Jeju City (CJU). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 15 April 2026.

Round-trip from

£626

One-way from

£342

Popular in

February

Cheapest in

April

Average price

£432
China Eastern
  • China Eastern
  • 12/5-25/5
  • 3 total stops
  • 65h 30m total
  • London to Jeju City
Search Deals
Shenzhen Airlines
  • Shenzhen Airlines
  • 18/5
  • 1 total stop
  • 30h 50m total
  • London to Jeju City
Search Deals
Highest demand for flights based on searches. 21% potential increase in price (£147 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease (£44 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 City 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 15 April 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Jeju City that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonJeju City

LHR - CJU

LHRCJU

London Heathrow

Tue 12/5

10:00-22:30

2 stops28h 30m

Jeju City

Mon 25/5

13:40-18:40

1 stop37h 00m

£626

LondonJeju City

LHR - CJU

LHRCJU

London Heathrow

Sun 31/5

22:05-13:55

1 stop31h 50m

Jeju City

Thu 4/6

15:00-20:00

1 stop37h 00m

£705

LondonJeju City

LHR - CJU

LHRCJU

London Heathrow

Tue 23/6

06:40-22:30

3 stops31h 50m

Jeju City

Sat 27/6

10:25-07:00

2 stops28h 35m

£770

LondonJeju City

LHR - CJU

LHRCJU

London Heathrow

Fri 1/5

21:20-12:30

1 stop31h 10m

Jeju City

Sun 10/5

13:40-18:40

1 stop37h 00m

£807

LondonJeju City

LHR - CJU

LHRCJU

London Heathrow

Mon 22/6

09:30-18:40

2 stops25h 10m

Jeju City

Fri 26/6

16:50-15:05

2 stops30h 15m

£807

LondonJeju City

LHR - CJU

LHRCJU

London Heathrow

Sat 27/6

09:30-21:35

2 stops28h 05m

Jeju City

Mon 6/7

11:45-07:00

2 stops27h 15m

£814
Fastest return journey

LondonJeju City

LHR - CJU

LHRCJU

London Heathrow

Wed 27/5

19:15-22:30

2 stops19h 15m

Jeju City

Wed 3/6

22:05-20:25

1 stop30h 20m

£842

LondonJeju City

LHR - CJU

LHRCJU

London Heathrow

Mon 18/5

15:20-12:30

2 stops37h 10m

Jeju City

Wed 20/5

16:00-18:40

1 stop34h 40m

£999

LondonJeju City

LHR - CJU

LHRCJU

London Heathrow

Fri 1/5

13:30-19:00

2 stops21h 30m

Jeju City

Fri 8/5

11:45-12:40

3 stops32h 55m

£1,057
Cheapest one-way

LondonJeju City

LHR - CJU

LHRCJU

London Heathrow

Mon 18/5

22:05-12:55

1 stop30h 50m

£342

Flights are sorted by cheapest return flights first.

Deals found on 12/4

Showing 1-10 of 13 resultsSorted by cheapest first
1
2

Best time to book a flight from Heathrow to Jeju City

Have a flexible travel schedule? Discover the best time to fly to Jeju City 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 City

What’s the top stopover airport for flights from London Heathrow Airport to Jeju City?

Share of one-stop return flights from London Heathrow Airport to Jeju City chosen by Cheapflights users in the past 12 months, using the same stopover each way.

Shenzhen (SZX) – chosen by Cheapflights users on 50% of one-stop itineraries from London Heathrow Airport to Jeju City on Cheapflights.

What’s the cheapest stopover airport for flights from London Heathrow Airport to Jeju City?

Average return fare for one-stop flights from London Heathrow Airport to Jeju City, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

Shenzhen (SZX) is the most affordable one-stop option, with an average return flight price of £461.

What’s the fastest stopover option from London Heathrow Airport to Jeju City?

Shortest average travel time for one-stop one-way flights from London Heathrow Airport to Jeju City, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via Shanghai (PVG) have the shortest average one-way travel time for one-stop routes: 25h 18m.

Which airport typically offers the quickest stopover for flights from London Heathrow Airport to Jeju City?

Average stopover duration for one-stop one-way flights from London Heathrow Airport to Jeju City, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Shanghai (PVG) offer the fastest connection on this route, with an average stopover time of 12h 29m.

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Jeju City. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Jeju City from London Heathrow?

    Most people fly into Jeju City (CJU) if they book a flight to Jeju City from London Heathrow. On average, Jeju has 0 inbound flights from London Heathrow per day from 0 airlines. Jeju City is conveniently located just 1.7 mi from Jeju City’s city center.

  • How long is the flight from London Heathrow Airport to Jeju City?

    A quick flight from London Heathrow Airport to Jeju City can take about 31h 10m. Shenzhen Airlines provides one of the quickest options available for as low as £807. The distance from London Heathrow Airport to Jeju City is about 5739 mi. Both multi-stop and direct flights can be found to your destination and back.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Heathrow to Jeju City 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

Travelling to a place near Jeju City?

Book flights to Jeju City if you plan to visit one of these locations
Seogwipo

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Complete your trip

Complete your trip to Jeju City by adding a car hire and/or hotel booking to your travel itinerary.
Jeju City car hire
Jeju City Airport car hire

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

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

Need flexible booking options for your flight to Jeju City from Heathrow? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes! Start tracking prices for Heathrow to Jeju City flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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