Find flights
When to book
FAQs

Cheap flights from London Heathrow Airport to Jeju-do from £317

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 7/4. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — CJU
27 Mar — 3 Apr1
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 25 February 2026.

Mon 9/321:30
LHR
-
CJU
1 stop14h 25m
Multiple Airlines
Thu 12/318:55
CJU
-
LHR
1 stop31h 35m
Multiple Airlines
Deal found 23/2£456
Mon 4/522:05
LHR
-
CJU
1 stop30h 50m
Multiple Airlines
Wed 20/515:55
CJU
-
LHR
2 stops34h 45m
Multiple Airlines
Deal found 22/2£576
Mon 18/521:00
LHR
-
CJU
1 stop16h 35m
Multiple Airlines
Mon 25/507:30
CJU
-
LHR
2 stops31h 25m
Multiple Airlines
Deal found 24/2£591
Wed 8/421:00
LHR
-
CJU
1 stop16h 35m
Multiple Airlines
Wed 15/411:20
CJU
-
LHR
2 stops37h 45m
Multiple Airlines
Deal found 21/2£632
Thu 12/314:45
LHR
-
CJU
2 stops37h 05m
China Eastern
Mon 16/313:50
CJU
-
LHR
1 stop36h 40m
China Eastern
Deal found 22/2£669
Thu 9/421:20
LHR
-
CJU
1 stop15h 15m
Multiple Airlines
Thu 16/407:30
CJU
-
LHR
3 stops44h 00m
Multiple Airlines
Deal found 23/2£691
Sat 28/219:20
LHR
-
CJU
2 stops56h 30m
China Eastern
Sun 8/313:50
CJU
-
LHR
1 stop36h 40m
China Eastern
Deal found 21/2£697
Mon 9/306:20
LHR
-
CJU
2 stops26h 35m
China Eastern
Thu 12/318:55
CJU
-
LHR
2 stops34h 55m
China Eastern
Deal found 23/2£724

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 25 February 2026.

Round-trip from

£456

One-way from

£317

Popular in

February

Cheapest in

April

Average price

£1,269
China Eastern
  • China Eastern
  • 9/3-12/3
  • 2 total stops
  • 46h 00m total
  • London to Jeju-do
Search Deals
7/4
  • 7/4
  • 1 total stop
  • 16h 35m total
  • London to Jeju-do
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (£132 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 February 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 25 February 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

LondonJeju City

LHR - CJU

LHRCJU

London Heathrow

Thu 12/3

14:45-12:50

2 stops37h 05m

Jeju City

Mon 16/3

13:50-17:30

1 stop36h 40m

£669

LondonJeju City

LHR - CJU

LHRCJU

London Heathrow

Wed 8/4

19:15-22:30

2 stops19h 15m

Jeju City

Wed 15/4

14:30-17:05

2 stops34h 35m

£739

LondonJeju City

LHR - CJU

LHRCJU

London Heathrow

Mon 4/5

07:30-13:20

2 stops21h 50m

Jeju City

Wed 20/5

16:15-18:40

2 stops34h 25m

£764

LondonJeju City

LHR - CJU

LHRCJU

London Heathrow

Mon 18/5

22:40-12:55

2 stops30h 15m

Jeju City

Mon 25/5

15:00-20:25

2 stops37h 25m

£767

LondonJeju City

LHR - CJU

LHRCJU

London Heathrow

Thu 12/3

22:05-19:10

1 stop36h 05m

Jeju City

Mon 16/3

07:55-15:00

1 stop40h 05m

£914

LondonJeju City

LHR - CJU

LHRCJU

London Heathrow

Tue 7/4

21:00-21:35

1 stop16h 35m

£317

LondonJeju City

LHR - CJU

LHRCJU

London Heathrow

Thu 5/3

18:50-21:55

1 stop18h 05m

£512

LondonJeju City

LHR - CJU

LHRCJU

London Heathrow

Tue 14/4

09:00-21:05

2 stops28h 05m

£560

LondonJeju City

LHR - CJU

LHRCJU

London Heathrow

Wed 4/3

11:00-19:10

1 stop23h 10m

£675

LondonJeju City

LHR - CJU

LHRCJU

London Heathrow

Tue 14/4

20:15-06:30

1 stop26h 15m

£687

Flights are sorted by cheapest return flights first.

Deals found on 21/2

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

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 £669, China Eastern can have you in Jeju-do from London Heathrow Airport in 37h 05m. 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.

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.