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Cheap flights from London to Jeju City 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 to Jeju City 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.
1 adult
0 bags
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Find the cheapest flights from London to Jeju City

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 to Jeju City

Our best Shenzhen Airlines deals on London to Jeju City 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 to Jeju City

Our best Air China deals on London to Jeju City 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 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, momondo users made 279,928 searches. Data last updated 18 December 2025.
Use the filters below to find and compare flights from London to Jeju City 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 City from

How to get the cheapest flight ticket from London to Jeju City

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 month to fly to Jeju City?

The month of December is, on average, the cheapest month to fly to Jeju City from London, with most prices found around £411. If you are unable to visit Jeju City during the month of December, then departing from London during the month April is also very affordable. Most momondo users find prices during this month for around £437.

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

Our data shows that Friday is the least expensive day to fly to Jeju City. Tickets to fly out on this day can be as low as £612. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around £918. These prices are subject to change though, so be sure to set up a Price Alert for flights to Jeju City.

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

Our data shows that the cheapest London to Jeju City flights are usually those with departure times in the afternoon. Our users have found flights to Jeju City in the afternoon for as low as £539. Flights to Jeju City are more costly in the evening, with an average ticket price of £910. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

When to book flights from London to Jeju City

Are you open to changing your travel dates? Check out the ideal times to fly from London to Jeju City according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap London to Jeju City (LON to CJU) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London to Jeju City

Fastest flight time

20h 40m

Direct flights

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

  • How far is London to Jeju City by plane?

    A flight from London to Jeju City will travel around 5729.3 mi. Flights usually cover this in 20h 40m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from London to Jeju City Airport?

    Prices for flights from London to Jeju City Airport refresh daily.

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London to Jeju City Airport.

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

    The required travel and health documents for your Jeju City Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Jeju City Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from London to Jeju City?

Travelling to a place near Jeju City?

Book flights to Jeju City if you plan to visit one of these locations
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Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from London to Jeju City. momondo saves you time and could save you money on your trip.

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

Yes. All flights to Jeju City from London on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from London to Jeju City.

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

Price alerts on flights to Jeju City from London are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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