How long is the flight from London Heathrow Airport to Jeju-do?

For as low as £476, Shenzhen Airlines can have you in Jeju-do from London Heathrow Airport in 31h 30m. There are 5739 mi between London Heathrow Airport and Jeju-do.

What is the cheapest time of day to fly from LHR to CJ?

When flying from London Heathrow Airport to Jeju-do, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

£324+ Cheap Flights from London Heathrow Airport to Jeju-do

Cheap flight deals from Heathrow to Jeju-do

Enter your travel dates to find the best prices.

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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 28 September 2026.

Thu 22/1022:00 -

1 stop31h 55m

Wed 28/1014:40 -

1 stop38h 50m

Deal found 26/9£457

Wed 11/1121:10 -

1 stop31h 30m

Wed 18/1114:40 -

1 stop38h 50m

Deal found 27/9£476

Sat 3/1022:05 -

1 stop31h 50m

Sat 10/1015:00 -

1 stop37h 00m

Deal found 24/9£481

Wed 11/1106:50 -

2 stops18h 45m

Wed 18/1113:50 -

1 stop36h 40m

Deal found 27/9£559

Mon 9/1121:30 -

1 stop14h 50m

Mon 16/1107:30 -

2 stops43h 00m

Deal found 25/9£575

Thu 22/1022:00 -

1 stop31h 55m

Thu 29/1008:00 -

2 stops21h 30m

Deal found 25/9£653

Thu 26/1108:50 -

2 stops19h 30m

Mon 30/1113:50 -

1 stop36h 40m

Deal found 24/9£673

Thu 22/1022:00 -

1 stop31h 55m

Wed 28/1016:45 -

2 stops32h 10m

Deal found 26/9£679

Find flight deals from Heathrow to Jeju-do

Round-trip from	£457
One-way from	£324

Shenzhen Airlines
22/10-28/10
2 total stops
70h 45m total
London to Jeju-do

Search Deals

28/10-31/12
1 total stop
14h 50m total
London to Jeju-do

Search Deals

Cheapflights Fare Finder

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

Cheapest return flight

Fastest return journey

LondonJeju City

LHR London Heathrow - CJU Jeju City

LHRCJU

London Heathrow

Wed 28/10

21:30-21:20

1 stop14h 50m

Jeju City

Wed 31/12

00:00-16:00

Nonstop0h 00m

£324

LondonJeju City

LHR London Heathrow - CJU Jeju City

LHRCJU

London Heathrow

Tue 29/12

22:00-13:35

1 stop30h 35m

Jeju City

Wed 31/12

00:00-16:00

Nonstop0h 00m

£378

LondonJeju City

LHR London Heathrow - CJU Jeju City

LHRCJU

London Heathrow

Sun 11/10

22:00-22:00

2 stops40h 00m

Jeju City

Wed 31/12

00:00-16:00

Nonstop0h 00m

£390

LondonJeju City

LHR London Heathrow - CJU Jeju City

LHRCJU

London Heathrow

Wed 11/11

21:10-13:40

1 stop31h 30m

Jeju City

Wed 18/11

14:40-20:30

1 stop38h 50m

£476

LondonJeju City

LHR London Heathrow - CJU Jeju City

LHRCJU

London Heathrow

Sat 10/10

20:35-10:05

3 stops53h 30m

Jeju City

Wed 31/12

00:00-16:00

Nonstop0h 00m

£488

LondonJeju City

LHR London Heathrow - CJU Jeju City

LHRCJU

London Heathrow

Wed 11/11

06:50-10:35

2 stops18h 45m

Jeju City

Wed 18/11

13:50-17:30

1 stop36h 40m

£559

LondonJeju City

LHR London Heathrow - CJU Jeju City

LHRCJU

London Heathrow

Mon 9/11

21:30-21:20

1 stop14h 50m

Jeju City

Mon 16/11

07:30-17:30

2 stops43h 00m

£575

LondonJeju City

LHR London Heathrow - CJU Jeju City

LHRCJU

London Heathrow

Thu 22/10

22:00-13:55

1 stop31h 55m

Jeju City

Thu 29/10

08:00-20:30

2 stops21h 30m

£653

LondonJeju City

LHR London Heathrow - CJU Jeju City

LHRCJU

London Heathrow

Mon 4/1

20:15-20:05

2 stops38h 50m

Jeju City

Sun 24/1

11:35-17:50

2 stops39h 15m

£770

LondonJeju City

LHR London Heathrow - CJU Jeju City

LHRCJU

London Heathrow

Fri 27/11

17:50-06:40

1 stop27h 50m

Jeju City

Tue 1/12

07:45-20:10

1 stop21h 25m

£889

Flights are sorted by cheapest return flights first.

Deals found on 24/9

Sorted by cheapest first

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.

LHR-CJU

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

LHR-KRCJ

LHR-CJU

No data available for this route at this time. Please check back soon.

Related info for your journey

How long is the flight from London Heathrow Airport to Jeju-do?
For as low as £476, Shenzhen Airlines can have you in Jeju-do from London Heathrow Airport in 31h 30m. 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

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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?

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Can Cheapflights notify me if prices for flights from Heathrow to Jeju-do become cheaper?

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Cheap flights from London Heathrow Airport to Jeju-do from £324

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 28/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Heathrow to Jeju-do

Cheapest flights from Heathrow to Jeju-doExplore 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 28 September 2026.

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 28 September 2026.

Best flights from Heathrow to Jeju-doDiscover carefully curated flight deals from Heathrow to Jeju-do that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 28 September 2026.

Discover carefully curated flight deals from Heathrow to Jeju-do that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 28 September 2026.

Last-minute flights from Heathrow to Jeju-doDiscover last-minute flight deals from Heathrow to Jeju-do. Data last updated 28 September 2026 and is based on user searches.

Discover last-minute flight deals from Heathrow to Jeju-do. Data last updated 28 September 2026 and is based on user searches.

One-way flights from Heathrow to Jeju-doSearch for one-way flight options from Heathrow to Jeju-do. Find affordable one-way fares based on user searches. Data last updated 28 September 2026.

Search for one-way flight options from Heathrow to Jeju-do. Find affordable one-way fares based on user searches. Data last updated 28 September 2026.

Find flight deals from Heathrow to Jeju-do

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Cheapflights Fare Finder

Use the filters below to find and compare flights from London Heathrow Airport to Jeju-do that are best for you.

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.

Cheapflights Insights

Related info for your journey

How long is the flight from London Heathrow Airport to Jeju-do?

Can I find deals for flights from Heathrow to Jeju-do that include hotel bookings?

How can I find direct flights from Heathrow to Jeju-do?

Can I find deals for business class flights from Heathrow to Jeju-do?

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.

Alternative routes for Heathrow to Jeju-do

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Jeju-do by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to South Korea

Book a non-stop flight to one of these other cities located in South Korea.

Search flights from Heathrow to Jeju-do by cabin class

Find flights from Heathrow to Jeju-do, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Heathrow and Jeju-do flights

Browse other Heathrow and Jeju-do flight options. Last updated on 28 September 2026.

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Why should you use Cheapflights to find cheap flight tickets from Heathrow to Jeju-do?

Can Cheapflights 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?

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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 28 September 2026.

Best flights from Heathrow to Jeju-do
Discover carefully curated flight deals from Heathrow to Jeju-do that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 28 September 2026.

Last-minute flights from Heathrow to Jeju-do
Discover last-minute flight deals from Heathrow to Jeju-do. Data last updated 28 September 2026 and is based on user searches.

One-way flights from Heathrow to Jeju-do
Search for one-way flight options from Heathrow to Jeju-do. Find affordable one-way fares based on user searches. Data last updated 28 September 2026.