Find flights
When to book
FAQs

Cheap flights from Jeju City to London Heathrow Airport from £122

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 14/12. Fares are subject to change and may not be available on all flights or dates of travel.
CJU — LHR
20 Dec — 27 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Jeju City to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Jeju City (CJU) to Heathrow (LHR). 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 20 November 2025.

Round-trip from

£365

One-way from

£122
China Eastern
  • China Eastern
  • 16/12-23/12
  • 2 total stops
  • 72h 35m total
  • Jeju City to London
Search Deals
China Eastern
  • China Eastern
  • 14/12
  • 1 total stop
  • 31h 35m total
  • Jeju City to London
Search Deals

Find flight deals from Jeju City to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from Jeju City to Heathrow
Explore the most affordable flight options available from Jeju City to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 November 2025.

Tue 16/1213:50CJU - LHR
1 stop36h 40mChina Eastern
Tue 23/1221:00LHR - CJU
1 stop35h 55mChina Eastern
Deal found 20/11£365
Tue 23/1218:55CJU - LHR
1 stop31h 35mChina Eastern
Fri 26/1221:00LHR - CJU
1 stop30h 50mChina Eastern
Deal found 19/11£434
Mon 22/1213:50CJU - LHR
1 stop36h 40mChina Eastern
Fri 26/1221:00LHR - CJU
1 stop32h 50mChina Eastern
Deal found 20/11£440
Mon 1/1219:25CJU - LHR
1 stop31h 40mAsiana Airlines
Thu 25/1220:10LHR - CJU
1 stop17h 05mAsiana Airlines
Deal found 19/11£579
Tue 16/1218:55CJU - LHR
1 stop31h 35mChina Eastern
Mon 22/1221:00LHR - CJU
1 stop30h 50mChina Eastern
Deal found 20/11£721
Mon 1/1211:55CJU - LHR
1 stop39h 10mMultiple Airlines
Thu 25/1210:20LHR - CJU
2 stops18h 00mMultiple Airlines
Deal found 19/11£758
Sat 29/1113:50CJU - LHR
1 stop36h 40mChina Eastern
Fri 5/1206:20LHR - CJU
2 stops21h 30mChina Eastern
Deal found 19/11£784
Mon 22/1213:50CJU - LHR
1 stop36h 40mMultiple Airlines
Fri 26/1221:30LHR - CJU
2 stops24h 50mMultiple Airlines
Deal found 20/11£794
Tue 23/1218:55CJU - LHR
1 stop31h 35mChina Eastern
Sat 27/1221:00LHR - CJU
1 stop30h 50mChina Eastern
Deal found 19/11£811
Sat 29/1122:25CJU - LHR
2 stops29h 10mMultiple Airlines
Fri 5/1208:35LHR - CJU
2 stops27h 50mMultiple Airlines
Deal found 19/11£835

Cheapflights Fare Finder

 
Customise your flight search to find flights from Jeju City to Heathrow 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 20 November 2025.
Use the filters below to find and compare flights from Jeju City to London Heathrow Airport that are best for you.

Fly from

Jeju City

Fly to

Heathrow

Route

Depart

Return

Price

Jeju CityLondon

CJU - LHR

CJULHR

Jeju City

Thu 22/1

13:50-17:30

1 stop36h 40m

London Heathrow

Tue 27/1

21:00-17:55

1 stop35h 55m

£391

Jeju CityLondon

CJU - LHR

CJULHR

Jeju City

Thu 22/1

13:50-17:30

1 stop36h 40m

London Heathrow

Sat 24/1

21:00-12:50

1 stop30h 50m

£391

Jeju CityLondon

CJU - LHR

CJULHR

Jeju City

Mon 22/12

13:50-17:30

1 stop36h 40m

London Heathrow

Fri 26/12

21:00-14:50

1 stop32h 50m

£440

Jeju CityLondon

CJU - LHR

CJULHR

Jeju City

Thu 22/1

18:55-17:30

1 stop31h 35m

London Heathrow

Sat 24/1

10:20-17:55

2 stops22h 35m

£534

Jeju CityLondon

CJU - LHR

CJULHR

Jeju City

Thu 29/1

18:55-17:30

1 stop31h 35m

London Heathrow

Wed 4/2

20:25-14:15

1 stop32h 50m

£540

Jeju CityLondon

CJU - LHR

CJULHR

Jeju City

Mon 11/5

08:40-20:30

2 stops19h 50m

London Heathrow

Mon 18/5

20:25-08:20

2 stops27h 55m

£571

Jeju CityLondon

CJU - LHR

CJULHR

Jeju City

Mon 1/12

19:25-18:05

1 stop31h 40m

London Heathrow

Thu 25/12

20:10-22:15

1 stop17h 05m

£579

Jeju CityLondon

CJU - LHR

CJULHR

Jeju City

Mon 2/2

08:55-05:55

1 stop30h 00m

London Heathrow

Fri 6/2

10:40-07:20

1 stop35h 40m

£652

Jeju CityLondon

CJU - LHR

CJULHR

Jeju City

Thu 5/3

07:55-20:10

1 stop21h 15m

London Heathrow

Mon 9/3

20:15-19:10

1 stop37h 55m

£700

Jeju CityLondon

CJU - LHR

CJULHR

Jeju City

Sun 11/1

20:50-17:20

2 stops29h 30m

London Heathrow

Sat 7/2

06:30-11:40

2 stops20h 10m

£709

Flights are sorted by cheapest return flights first.

Deals found on 20/11

Showing 1-10 of 19 results
1
2

Best time to book a flight from Jeju City to Heathrow

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

Related info for your journey

Find useful and relevant information for your journey from Jeju City to Heathrow. 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 from for flights from Jeju City to London Heathrow?

    Jeju City (CJU) is the airport you will fly out of if you book a flight from Jeju City to London Heathrow. You should not have trouble finding flights to London Heathrow from Jeju; the airport handles an average of 0 outbound flights to London Heathrow per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the Jeju City airport to London Heathrow. It is only a 1.7 mi journey to Jeju (CJU) from Jeju City’s city center.

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

    A quick flight from Jeju City to London Heathrow Airport can take about 36h 40m. China Eastern provides one of the quickest options available for as low as £391. Jeju City and London Heathrow Airport are separated by a distance of 5739 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Jeju City to Heathrow 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 London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Milton Keynes
Croydon
Slough
Gatwick
Hounslow
Northampton
Luton
Ilford
Wembley
Deal
Hayes
Colchester
Watford
Winchester
Swindon
Crawley
Brentford
Romford
Chichester
Ipswich

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Jeju City to Heathrow. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Jeju City to Heathrow?

Cheapflights simply makes it quick and affordable to book flights from Jeju City to Heathrow by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Need flexible booking options for your flight to Heathrow from Jeju City? 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 Jeju City to Heathrow 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!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.