December is by far the best month, wherein you can get cheapest flights for Cheju to London. Meanwhile, is perceived as the expensive month due to the varying factors. That’s why it’s highly advised to make advanced online flight booking to save huge amounts of money.
Disclaimer - All the above-mentioned fares were found within last 48 hrs. The displayed fares are based on historical data and are subject to change. The fares cannot be guaranteed at the time of booking.

CJU
07:55
Cheju
Jeju International Airport
Mon , 22 Dec 2025

LHR
15:00
London
London Heathrow Airport
Tue, 23 Dec 2025

CJU
20:00
Cheju
Jeju International Airport
Mon , 22 Dec 2025

LHR
15:00
London
London Heathrow Airport
Tue, 23 Dec 2025

CJU
19:30
Cheju
Jeju International Airport
Mon , 22 Dec 2025

LHR
13:20
London
London Heathrow Airport
Tue, 23 Dec 2025

CJU
19:25
Cheju
Jeju International Airport
Mon , 22 Dec 2025

LHR
13:20
London
London Heathrow Airport
Tue, 23 Dec 2025

CJU
08:55
Cheju
Jeju International Airport
Mon , 22 Dec 2025

LHR
05:55
London
London Heathrow Airport
Tue, 23 Dec 2025

CJU
09:00
Cheju
Jeju International Airport
Mon , 22 Dec 2025

LHR
18:05
London
London Heathrow Airport
Mon, 22 Dec 2025

CJU
20:00
Cheju
Jeju International Airport
Mon , 22 Dec 2025

LHR
06:30
London
London Heathrow Airport
Tue, 23 Dec 2025

CJU
13:50
Cheju
Jeju International Airport
Mon , 22 Dec 2025

LHR
18:20
London
London Heathrow Airport
Tue, 23 Dec 2025

CJU
06:25
Cheju
Jeju International Airport
Mon , 22 Dec 2025

LHR
16:30
London
London Heathrow Airport
Mon, 22 Dec 2025

CJU
13:50
Cheju
Jeju International Airport
Mon , 22 Dec 2025

LHR
05:25
London
London Heathrow Airport
Tue, 23 Dec 2025

CJU
22:25
Cheju
Jeju International Airport
Mon , 22 Dec 2025

LHR
10:05
London
London Heathrow Airport
Tue, 23 Dec 2025










Flying from Cheju to London has never been easier. Whether you’re planning a short business trip, a weekend getaway, or reconnecting with family and friends, Easemytrip brings you the best deals, seamless booking, and flexible options for this popular flight route. Our platform is built to help travellers like you compare flight prices, explore direct and connecting options, and find the perfect departure time — all within a few clicks.
The air route between Cheju to London is one of the most frequently travelled, offering reliable services from top airlines and excellent connectivity between Jeju International Airport (CJU) and London Heathrow Airport (LHR). You can expect a flight distance of approximately 9243 km, and most direct services cover it in around 17:28.
Let’s take a closer look at everything you need to know before booking your flight from Cheju to London.
| Flight Details | Information |
|---|---|
| Route Distance | 9243 km |
| Average Flight Time | 17:28 hrs |
| Departure Airport | Jeju International Airport (CJU) |
| Arrival Airport | London Heathrow Airport (LHR) |
| Cabin Classes Available | Economy Class, Premium Economy, Business Class, First Class |
| Direct Flights | NO |
| Common Airlines | Cathay Pacific airways, Korean Air, Asiana Airlines, Singapore Airlines |
The route is serviced regularly by both full-service and budget airlines, catering to all types of travellers — from those looking for no-frills budget options to those preferring business and first-class comfort. If you're flying for business, early morning weekday flights are a great choice, while leisure travellers often opt for weekend and evening departures.