Cheap flights from London Heathrow Airport to Jeju-do from £346

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 18/11. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — CJU
31 Aug — 7 Sep1
1 adult

Cheap 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 26 August 2025.

Round-trip from

£468

One-way from

£346

Popular in

August

Cheapest in

December

Average price

£981
Air China
  • Air China
  • 29/10-1/11
  • 2 total stops
  • 45h 15m total
  • London to Jeju-do
Air China
  • Air China
  • 18/11
  • 1 total stop
  • 16h 10m total
  • London to Jeju-do
Highest demand for flights based on searches. 28% potential increase in price (£179 potential increase over avg. return price).
Cheapest flight prices on average. 5% potential price decrease (£25 potential savings vs. average return price).
Average for round-trip flights in August 2025

Find flight deals from Heathrow to Jeju-do

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 26 August 2025.

Wed 29/1017:40LHR - CJU
1 stop18h 55mAir China
Sat 1/1122:35CJU - LHR
1 stop26h 20mAir China
Deal found 25/8£468
Tue 21/1022:40LHR - CJU
1 stop14h 25mAir China
Wed 29/1022:35CJU - LHR
1 stop26h 20mAir China
Deal found 25/8£508
Tue 21/1022:40LHR - CJU
1 stop14h 25mAir China
Sat 25/1022:35CJU - LHR
1 stop26h 20mAir China
Deal found 25/8£551
Sat 4/1020:25LHR - CJU
1 stop16h 40mMultiple Airlines
Tue 14/1008:15CJU - LHR
2 stops20h 15mMultiple Airlines
Deal found 25/8£614
Wed 3/921:00LHR - CJU
2 stops27h 35mMultiple Airlines
Fri 12/922:00CJU - LHR
1 stop30h 30mMultiple Airlines
Deal found 25/8£622
Fri 24/1022:40LHR - CJU
1 stop14h 55mAir China
Sat 1/1122:35CJU - LHR
1 stop26h 20mAir China
Deal found 25/8£630
Mon 27/1021:00LHR - CJU
1 stop28h 05mMultiple Airlines
Sun 2/1118:55CJU - LHR
2 stops24h 50mMultiple Airlines
Deal found 25/8£631
Mon 27/1021:00LHR - CJU
1 stop28h 05mMultiple Airlines
Mon 3/1121:30CJU - LHR
2 stops29h 25mMultiple Airlines
Deal found 25/8£634
Sun 26/1021:00LHR - CJU
1 stop15h 20mMultiple Airlines
Wed 29/1021:30CJU - LHR
2 stops30h 15mMultiple Airlines
Deal found 25/8£637
Tue 21/1021:20LHR - CJU
1 stop31h 10mChina Eastern
Mon 27/1013:50CJU - LHR
2 stops40h 00mChina Eastern
Deal found 25/8£640
Tue 21/1021:20LHR - CJU
1 stop31h 10mChina Eastern
Tue 28/1013:50CJU - LHR
1 stop36h 40mChina Eastern
Deal found 25/8£641

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 26 August 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

Wed 29/10

17:40-21:35

1 stop18h 55m

Jeju City

Sat 1/11

22:35-15:55

1 stop26h 20m

£468

LondonJeju City

LHR - CJU

LHRCJU

London Heathrow

Wed 29/10

17:40-21:35

1 stop18h 55m

Jeju City

Sun 2/11

22:35-15:55

1 stop26h 20m

£468

LondonJeju City

LHR - CJU

LHRCJU

London Heathrow

Tue 28/10

17:40-21:35

1 stop18h 55m

Jeju City

Sun 2/11

22:35-15:55

1 stop26h 20m

£508

LondonJeju City

LHR - CJU

LHRCJU

London Heathrow

Tue 28/10

17:40-21:35

1 stop18h 55m

Jeju City

Sat 1/11

22:35-15:55

1 stop26h 20m

£508

LondonJeju City

LHR - CJU

LHRCJU

London Heathrow

Tue 21/10

22:40-21:05

1 stop14h 25m

Jeju City

Wed 29/10

22:35-15:55

1 stop26h 20m

£508

LondonJeju City

LHR - CJU

LHRCJU

London Heathrow

Sat 25/10

20:25-21:35

1 stop17h 10m

Jeju City

Sat 1/11

22:35-15:55

1 stop26h 20m

£508

LondonJeju City

LHR - CJU

LHRCJU

London Heathrow

Tue 21/10

20:25-21:05

1 stop16h 40m

Jeju City

Sun 26/10

22:35-15:55

1 stop26h 20m

£508

LondonJeju City

LHR - CJU

LHRCJU

London Heathrow

Sat 25/10

20:25-21:35

1 stop17h 10m

Jeju City

Sun 2/11

22:35-15:55

1 stop26h 20m

£508

LondonJeju City

LHR - CJU

LHRCJU

London Heathrow

Tue 21/10

22:40-21:05

1 stop14h 25m

Jeju City

Sat 25/10

22:35-16:55

1 stop26h 20m

£551

LondonJeju City

LHR - CJU

LHRCJU

London Heathrow

Sat 25/10

20:25-21:35

1 stop17h 10m

Jeju City

Wed 29/10

22:35-15:55

1 stop26h 20m

£551

Flights are sorted by cheapest return flights first.

Deals found on 23/8

Showing 1-10 of 23 results
1
2
3

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.

Reviews of airlines servicing Jeju-do

Get insights into the airlines that provide service to Jeju-do. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Jeju-do. Reviews last updated 26 August 2025.
Get a feel of what it's like to fly with Asiana Airlines and China Eastern from London Heathrow Airport to Jeju-do by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Overall

8.2

Entertainment

7.8

Food

8.1

Crew

8.6

Boarding

8.4

Comfort

8.1

Reviews

1 / 20
10.0
Excellent

Jacob,Jul 2025

ICN - JFK

I flew business calls Asiana, everything was great and good! I must say that the service at the Asian business class lounge prior to the flight is very poor, the staff are very cold and not welcome and I asked for some help in getting a food without salt ...I was looked upon as if I ... I am traveling a lot business , and I se people complained a lot in asiana lounge services. Jacob

Overall

8.2

Entertainment

7.8

Food

8.1

Crew

8.6

Boarding

8.4

Comfort

8.1

Reviews

1 / 20
10.0
Excellent

Jacob,Jul 2025

ICN - JFK

I flew business calls Asiana, everything was great and good! I must say that the service at the Asian business class lounge prior to the flight is very poor, the staff are very cold and not welcome and I asked for some help in getting a food without salt ...I was looked upon as if I ... I am traveling a lot business , and I se people complained a lot in asiana lounge services. Jacob

Overall

8.2

Entertainment

7.8

Food

8.1

Crew

8.6

Boarding

8.4

Comfort

8.1

Reviews

1 / 20
10.0
Excellent

Jacob,Jul 2025

ICN - JFK

I flew business calls Asiana, everything was great and good! I must say that the service at the Asian business class lounge prior to the flight is very poor, the staff are very cold and not welcome and I asked for some help in getting a food without salt ...I was looked upon as if I ... I am traveling a lot business , and I se people complained a lot in asiana lounge services. Jacob

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 £468, Air China can have you in Jeju-do from London Heathrow Airport in 18h 55m. 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

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.

Top 2 airlines flying from Heathrow to Jeju-do

Discover the top 2 airlines that operate flights from Heathrow to Jeju-do. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 26 August 2025.
AirlineCheapestAverageFlexibilityOn-time
China EasternCheapest£367Average£502FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Asiana AirlinesCheapest£856Average£953FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights

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 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!

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.