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Cheap flights from London Heathrow Airport to Jeju City 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

Find 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 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

Cheap 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 11 November 2025.

Round-trip from

£501

One-way from

£321

Popular in

July

Cheapest in

November

Average price

£274
China Eastern
  • China Eastern
  • 21/11-29/11
  • 2 total stops
  • 69h 05m total
  • London to Jeju City
Search Deals
26/11
  • 26/11
  • 2 total stops
  • 38h 20m total
  • London to Jeju City
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£94 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (£34 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
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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 11 November 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Jeju City that are best for you.

Fly from

Heathrow

Fly to

Jeju City

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
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.

Shanghai (PVG) – chosen by Cheapflights users on 67% of one-stop itineraries from London Heathrow Airport to Jeju City on Cheapflights.

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 Beijing (PEK) have the shortest average one-way travel time for one-stop routes: 18h 55m.

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 Beijing (PEK) have the shortest average one-way travel time for one-stop routes: 18h 55m.

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 Beijing (PEK) offer the fastest connection on this route, with an average stopover time of 9h 20m.

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 32h 25m. Shenzhen Airlines provides one of the quickest options available for as low as £546. The distance from London Heathrow Airport to Jeju City is about 5739 mi.

  • 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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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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