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Cheap flights from London Heathrow Airport to Jeju-do from £404

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Jeju-do departing on 25/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags
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Find the cheapest flights from London Heathrow Airport to Jeju-do

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
12:15 - 22:20
LHR
-
CJU
25h 05m1 stop
Multiple Airlines Logo
14:20 - 18:00
CJU
-
LHR
36h 40m1 stop
£559Multiple Airlines
Wed, 11 Mar - Sat, 21 Mar
Multiple Airlines Logo
17:15 - 22:20
LHR
-
CJU
20h 05m2 stops
Multiple Airlines Logo
14:20 - 18:00
CJU
-
LHR
36h 40m1 stop
£586Multiple Airlines
Wed, 11 Mar - Sat, 21 Mar
Multiple Airlines Logo
21:00 - 21:25
LHR
-
CJU
15h 25m1 stop
Multiple Airlines Logo
20:00 - 17:55
CJU
-
LHR
54h 55m3 stops
£620Multiple Airlines
Wed, 11 Mar - Sat, 21 Mar
Multiple Airlines Logo
17:50 - 22:30
LHR
-
CJU
20h 40m2 stops
Multiple Airlines Logo
07:25 - 20:15
CJU
-
LHR
44h 50m2 stops
£653Multiple Airlines
Mon, 15 Jun - Mon, 29 Jun
Multiple Airlines Logo
06:00 - 22:20
LHR
-
CJU
31h 20m2 stops
Multiple Airlines Logo
07:30 - 19:40
CJU
-
LHR
45h 10m2 stops
£739Multiple Airlines
Wed, 11 Feb - Wed, 18 Feb
Multiple Airlines Logo
12:05 - 20:35
LHR
-
CJU
24h 30m1 stop
Multiple Airlines Logo
21:35 - 18:45
CJU
-
LHR
29h 10m1 stop
£772Multiple Airlines
Mon, 15 Jun - Mon, 29 Jun
Multiple Airlines Logo
18:10 - 21:20
LHR
-
CJU
43h 10m2 stops
Multiple Airlines Logo
22:20 - 17:05
CJU
-
LHR
26h 45m2 stops
£781Multiple Airlines
Sat, 4 Apr - Sat, 18 Apr
Multiple Airlines Logo
15:45 - 22:20
LHR
-
CJU
21h 35m2 stops
Multiple Airlines Logo
07:30 - 17:30
CJU
-
LHR
19h 00m1 stop
£803Multiple Airlines
Wed, 11 Feb - Wed, 18 Feb
Shenzhen Airlines Logo
22:05 - 13:55
LHR
-
CJU
31h 50m1 stop
Shenzhen Airlines Logo
15:00 - 20:00
CJU
-
LHR
37h 00m1 stop
£820Shenzhen Airlines
Sat, 4 Apr - Sat, 18 Apr
Cathay Pacific Logo
16:50 - 18:35
LHR
-
CJU
16h 45m1 stop
Cathay Pacific Logo
07:55 - 06:30
CJU
-
LHR
31h 35m1 stop
£840Cathay Pacific
Thu, 22 Jan - Mon, 26 Jan

Shenzhen Airlines flights from London Heathrow Airport to Jeju-do

Our best Shenzhen Airlines deals on London Heathrow Airport to Jeju-do flight tickets
Shenzhen Airlines
4 Apr
LHR22:05London Heathrow
31h 50m
1 stop
CJU13:55Jeju City
18 Apr
CJU15:00Jeju City
37h 00m
1 stop
LHR20:00London Heathrow
£820
Find similar
Shenzhen Airlines
5 Apr
LHR22:05London Heathrow
31h 50m
1 stop
CJU13:55Jeju City
18 Apr
CJU15:00Jeju City
37h 00m
1 stop
LHR20:00London Heathrow
£851
Find similar

Air China flights from London Heathrow Airport to Jeju-do

Our best Air China deals on London Heathrow Airport to Jeju-do flight tickets
Air China
4 Apr
LHR22:00London Heathrow
39h 05m
2 stops
CJU21:05Jeju City
19 Apr
CJU22:05Jeju City
54h 10m
2 stops
LHR20:15London Heathrow
£876
Find similar
Air China
5 Apr
LHR22:40London Heathrow
14h 25m
1 stop
CJU21:05Jeju City
19 Apr
CJU22:05Jeju City
54h 10m
2 stops
LHR20:15London Heathrow
£916
Find similar
Air China
3 Apr
LHR22:05London Heathrow
63h 00m
2 stops
CJU21:05Jeju City
19 Apr
CJU22:05Jeju City
54h 10m
2 stops
LHR20:15London Heathrow
£926
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from London Heathrow Airport 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, momondo users made 279,928 searches. Data last updated 18 December 2025.
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

Wed 11/3

12:15-22:20

1 stop25h 05m

Jeju City

Sat 21/3

14:20-18:00

1 stop36h 40m

£559

LondonJeju City

LHR - CJU

LHRCJU

London Heathrow

Wed 11/3

17:15-22:20

2 stops20h 05m

Jeju City

Sat 21/3

14:20-18:00

1 stop36h 40m

£586

LondonJeju City

LHR - CJU

LHRCJU

London Heathrow

Wed 11/3

21:00-21:25

1 stop15h 25m

Jeju City

Sat 21/3

20:00-17:55

3 stops54h 55m

£620

LondonJeju City

LHR - CJU

LHRCJU

London Heathrow

Mon 15/6

17:50-22:30

2 stops20h 40m

Jeju City

Mon 29/6

07:25-20:15

2 stops44h 50m

£653

LondonJeju City

LHR - CJU

LHRCJU

London Heathrow

Wed 11/2

06:00-22:20

2 stops31h 20m

Jeju City

Wed 18/2

07:30-19:40

2 stops45h 10m

£739

LondonJeju City

LHR - CJU

LHRCJU

London Heathrow

Mon 15/6

12:05-20:35

1 stop24h 30m

Jeju City

Mon 29/6

21:35-18:45

1 stop29h 10m

£772

LondonJeju City

LHR - CJU

LHRCJU

London Heathrow

Sat 4/4

18:10-21:20

2 stops43h 10m

Jeju City

Sat 18/4

22:20-17:05

2 stops26h 45m

£781

LondonJeju City

LHR - CJU

LHRCJU

London Heathrow

Wed 11/2

15:45-22:20

2 stops21h 35m

Jeju City

Wed 18/2

07:30-17:30

1 stop19h 00m

£803

LondonJeju City

LHR - CJU

LHRCJU

London Heathrow

Sat 4/4

22:05-13:55

1 stop31h 50m

Jeju City

Sat 18/4

15:00-20:00

1 stop37h 00m

£820

LondonJeju City

LHR - CJU

LHRCJU

London Heathrow

Thu 22/1

16:50-18:35

1 stop16h 45m

Jeju City

Mon 26/1

07:55-06:30

1 stop31h 35m

£840

Flights are sorted by cheapest return flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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See travel insights to Jeju-do from

How to get the cheapest flight ticket from London Heathrow Airport to Jeju-do

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Jeju-do?

The cheapest day to depart on your flight to Jeju-do is on a Tuesday when prices can be found for as low as £600. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around £1,067. These prices are subject to change though, so be sure to set up a Price Alert for flights to Jeju-do.

What is the cheapest time of day to depart on your flight to Jeju-do?

In the afternoon is the cheapest time of day to fly from London Heathrow Airport to Jeju-do when you can find flight prices for as low as £704. Flying to Jeju-do in the afternoon is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to Jeju-do is in the evening when prices are around £886.

Cheap London Heathrow Airport to Jeju-do flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Jeju-do

Fastest flight time

20h 40m

Direct flights

None
The fastest flight from London Heathrow Airport to Jeju-do takes 20h 40m
There are no direct flights from London Heathrow Airport to Jeju-do. There are no popular flight routes from London Heathrow Airport to Jeju-do.
Search flight deals

  • When did momondo last update prices for flights from London Heathrow Airport to Jeju-do?

    Prices for flights from London Heathrow Airport to Jeju-do were last updated today.

  • How old do you have to be to fly from London Heathrow Airport to Jeju-do?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Heathrow Airport to Jeju-do.

  • What documentation or ID do you need to fly to Jeju-do?

    The necessary travel and health documents for your Jeju-do trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from London to Jeju-do?

Finding the right flight to Jeju-do from London is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Jeju-do quick and easy, saving you time and money.

Can I find flights from London to Jeju-do with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for London to Jeju-do flights to just show those with flexible booking policies.

How can momondo help me find flights from London to Jeju-do?

Once you have performed a search for London to Jeju-do flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from London to Jeju-do right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of London to Jeju-do flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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