Latest deals
Insights
FAQs
Price Alerts

Cheap flights from Jeju-do to London from £349

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Jeju-do to London departing on 24/9. 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
Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Jeju-do to London

Cheap return flights

China Eastern Logo
13:50 - 17:30CJU-LHR
36h 40m1 stop
China Eastern Logo
21:00 - 12:50LHR-CJU
30h 50m1 stop
£417China Eastern
Find Deal
Mon, 10 Nov - Mon, 17 Nov
China Eastern Logo
18:55 - 17:30CJU-LHR
31h 35m1 stop
China Eastern Logo
21:00 - 12:50LHR-CJU
30h 50m1 stop
£422China Eastern
Find Deal
Tue, 2 Dec - Sat, 6 Dec
Air China Logo
22:35 - 15:55CJU-LHR
26h 20m1 stop
Air China Logo
17:40 - 21:35LHR-CJU
18h 55m1 stop
£523Air China
Find Deal
Wed, 21 Jan - Tue, 27 Jan
Multiple Airlines Logo
12:55 - 17:30CJU-LHR
37h 35m2 stops
Multiple Airlines Logo
21:00 - 21:20LHR-CJU
15h 20m1 stop
£554Multiple Airlines
Find Deal
Mon, 10 Nov - Mon, 17 Nov
Multiple Airlines Logo
19:05 - 17:50CJU-LHR
31h 45m2 stops
Multiple Airlines Logo
20:25 - 21:35LHR-CJU
16h 10m1 stop
£573Multiple Airlines
Find Deal
Tue, 13 Jan - Fri, 16 Jan
Asiana Airlines Logo
20:00 - 18:05CJU-LHR
31h 05m1 stop
Asiana Airlines Logo
20:10 - 08:10LHR-CJU
27h 00m1 stop
£657Asiana Airlines
Find Deal
Tue, 27 Jan - Fri, 30 Jan
Asiana Airlines Logo
20:00 - 18:05CJU-LHR
31h 05m1 stop
Asiana Airlines Logo
20:10 - 08:30LHR-CJU
27h 20m1 stop
£659Asiana Airlines
Find Deal
Tue, 27 Jan - Fri, 30 Jan
Singapore Airlines Logo
19:55 - 19:10CJU-LHR
32h 15m1 stop
Singapore Airlines Logo
21:45 - 07:20LHR-CJU
24h 35m1 stop
£668Singapore Airlines
Find Deal
Sat, 14 Feb - Sun, 22 Feb
Singapore Airlines Logo
08:55 - 05:55CJU-LHR
30h 00m1 stop
Singapore Airlines Logo
10:40 - 18:55LHR-CJU
23h 15m1 stop
£670Singapore Airlines
Find Deal
Mon, 26 Jan - Fri, 30 Jan
Air China Logo
22:35 - 15:55CJU-LHR
26h 20m1 stop
Air China Logo
21:10 - 21:35LHR-CJU
39h 25m2 stops
£787Air China
Find Deal
Thu, 5 Mar - Mon, 9 Mar

Cathay Pacific flights from Jeju-do to London Heathrow Airport

Our best Cathay Pacific deals on Jeju-do to London Heathrow Airport flight tickets
Cathay Pacific
5 Mar
CJU07:55Jeju City
21h 15m
1 stop
LHR20:10London Heathrow
9 Mar
LHR22:05London Heathrow
23h 35m
1 stop
CJU06:40Jeju City
£729
Find similar
Cathay Pacific
5 Mar
CJU20:00Jeju City
28h 00m
1 stop
LHR15:00London Heathrow
9 Mar
LHR17:50London Heathrow
27h 50m
1 stop
CJU06:40Jeju City
£733
Find similar
Cathay Pacific
10 Mar
CJU07:55Jeju City
21h 15m
1 stop
LHR20:10London Heathrow
12 Mar
LHR17:50London Heathrow
27h 50m
1 stop
CJU06:40Jeju City
£735
Find similar

Air China flights from Jeju-do to London Heathrow Airport

Our best Air China deals on Jeju-do to London Heathrow Airport flight tickets
Air China
21 Jan
CJU22:35Jeju City
26h 20m
1 stop
LHR15:55London Heathrow
27 Jan
LHR17:40London Heathrow
18h 55m
1 stop
CJU21:35Jeju City
£523
Find similar
Air China
5 Mar
CJU22:35Jeju City
26h 20m
1 stop
LHR15:55London Heathrow
9 Mar
LHR21:10London Heathrow
39h 25m
2 stops
CJU21:35Jeju City
£787
Find similar
Air China
5 Mar
CJU22:35Jeju City
26h 20m
1 stop
LHR15:55London Heathrow
9 Mar
LHR21:10London Heathrow
63h 25m
2 stops
CJU21:35Jeju City
£791
Find similar

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Jeju CityLondon

CJU - LHR

CJULHR

Jeju City

Mon 10/11

13:50-17:30

1 stop36h 40m

London Heathrow

Mon 17/11

21:00-12:50

1 stop30h 50m

£417

Jeju CityLondon

CJU - LHR

CJULHR

Jeju City

Tue 2/12

18:55-17:30

1 stop31h 35m

London Heathrow

Sat 6/12

21:00-12:50

1 stop30h 50m

£422

Jeju CityLondon

CJU - LHR

CJULHR

Jeju City

Wed 21/1

22:35-15:55

1 stop26h 20m

London Heathrow

Tue 27/1

17:40-21:35

1 stop18h 55m

£523

Jeju CityLondon

CJU - LHR

CJULHR

Jeju City

Mon 10/11

12:55-17:30

2 stops37h 35m

London Heathrow

Mon 17/11

21:00-21:20

1 stop15h 20m

£554

Jeju CityLondon

CJU - LHR

CJULHR

Jeju City

Tue 13/1

19:05-17:50

2 stops31h 45m

London Heathrow

Fri 16/1

20:25-21:35

1 stop16h 10m

£573

Jeju CityLondon

CJU - LHR

CJULHR

Jeju City

Tue 27/1

20:00-18:05

1 stop31h 05m

London Heathrow

Fri 30/1

20:10-08:10

1 stop27h 00m

£657

Jeju CityLondon

CJU - LHR

CJULHR

Jeju City

Tue 27/1

20:00-18:05

1 stop31h 05m

London Heathrow

Fri 30/1

20:10-08:30

1 stop27h 20m

£659

Jeju CityLondon

CJU - LHR

CJULHR

Jeju City

Sat 14/2

19:55-19:10

1 stop32h 15m

London Heathrow

Sun 22/2

21:45-07:20

1 stop24h 35m

£668

Jeju CityLondon

CJU - LHR

CJULHR

Jeju City

Mon 26/1

08:55-05:55

1 stop30h 00m

London Heathrow

Fri 30/1

10:40-18:55

1 stop23h 15m

£670

Jeju CityLondon

CJU - LHR

CJULHR

Jeju City

Thu 5/3

22:35-15:55

1 stop26h 20m

London Heathrow

Mon 9/3

21:10-21:35

2 stops39h 25m

£787

Flights are sorted by cheapest return flights first.

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

See travel insights to London from

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

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 airline that flies from Jeju-do to London Heathrow?

Singapore Airlines and China Eastern are the most popular carriers operating from Jeju-do to London Heathrow

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

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

Direct flights

None
There are no direct flights from Jeju-do to London Heathrow Airport. There are no popular flight routes from Jeju-do to London Heathrow Airport.
Search flight deals

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

    Prices for flights from Jeju-do to London Heathrow Airport are refreshed on a daily basis.

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

  • What documentation or ID do you need to fly to London Heathrow Airport?

    The travel and health documents you'll need for your trip to London Heathrow Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London Heathrow Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Luton
Milton Keynes
Maidstone
Gatwick
Slough
Northampton
Swindon
Canterbury
Stratford-upon-Avon
Southend-on-Sea
Ipswich
Ilford
Guildford
Swanage
Poole
Colchester
Worthing
Salisbury
Chelmsford

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Jeju-do to London . Millions of users trust and use momondo every year so you are in good hands.

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

All flight searches from Jeju-do to London on momondo can be filtered to show those which offer flexible booking policies.

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

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 Jeju-do to London.

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

Yes. momondo can track prices for Jeju-do to London flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your London Heathrow Airport trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 18/10
Sat 25/10
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to London