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

A quick flight from Jeju City to London Heathrow Airport can take about 30h 20m. Cathay Pacific provides one of the quickest options available for as low as £858. Jeju City and London Heathrow Airport are separated by a distance of 5739 mi.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

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

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

What airport do you fly from for flights from Jeju City to London Heathrow?

Jeju City (CJU) is the airport you will fly out of if you book a flight from Jeju City to London Heathrow. You should not have trouble finding flights to London Heathrow from Jeju; the airport handles an average of 0 outbound flights to London Heathrow per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the Jeju City airport to London Heathrow. It is only a 1.7 mi journey to Jeju (CJU) from Jeju City’s city center.

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

Yes. In addition to deals on Jeju City to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Jeju City to Heathrow?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Jeju City to Heathrow.

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

Yes. Cheapflights offers flight deals from Jeju City to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£185+ Cheap Flights from Jeju City to London Heathrow Airport

Cheap flight deals from Jeju City to Heathrow

Enter your travel dates to find the best prices.

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Cheapest flights from Jeju City to Heathrow
Explore the most affordable flight options available from Jeju City to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 October 2026.

Sun 29/1108:40 -

2 stops41h 50m

Sun 6/1221:30 -

1 stop14h 50m

Deal found 15/10£530

Mon 16/1116:20 -

2 stops35h 15m

Mon 23/1121:30 -

1 stop14h 50m

Deal found 15/10£545

Wed 18/1114:40 -

1 stop38h 50m

Wed 25/1121:10 -

1 stop31h 30m

Deal found 17/10£547

Wed 18/1116:20 -

2 stops34h 35m

Wed 25/1121:30 -

1 stop14h 50m

Deal found 17/10£553

Wed 23/1214:40 -

1 stop38h 50m

Wed 6/121:30 -

1 stop14h 50m

Deal found 12/10£560

Mon 19/1019:10 -

1 stop31h 30m

Mon 26/1021:00 -

1 stop30h 50m

Deal found 15/10£595

Mon 16/1113:50 -

1 stop36h 40m

Mon 23/1121:00 -

1 stop30h 50m

Deal found 15/10£600

Mon 16/1116:20 -

2 stops35h 15m

Fri 29/121:30 -

1 stop14h 50m

Deal found 15/10£616

Sun 1/1114:40 -

1 stop37h 30m

Fri 6/1121:10 -

1 stop31h 30m

Deal found 14/10£627

Mon 16/1116:20 -

2 stops35h 15m

Wed 30/1221:30 -

1 stop14h 50m

Deal found 15/10£643

Find flight deals from Jeju City to Heathrow

Round-trip from	£530
One-way from	£185

29/11-6/12
3 total stops
56h 40m total
Jeju City to London

Search Deals

China Southern
22/12-31/12
1 total stop
37h 00m total
Jeju City to London

Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Jeju CityLondon

CJU Jeju City - LHR London Heathrow

CJULHR

Jeju City

Fri 11/12

14:40-19:10

1 stop37h 30m

London Heathrow

Wed 31/12

00:00-08:00

Nonstop0h 00m

£218

Jeju CityLondon

CJU Jeju City - LHR London Heathrow

CJULHR

Jeju City

Fri 11/12

08:50-06:25

2 stops30h 35m

London Heathrow

Wed 31/12

00:00-08:00

Nonstop0h 00m

£225

Jeju CityLondon

CJU Jeju City - LHR London Heathrow

CJULHR

Jeju City

Mon 21/12

16:20-18:35

2 stops35h 15m

London Heathrow

Wed 31/12

00:00-08:00

Nonstop0h 00m

£237

Jeju CityLondon

CJU Jeju City - LHR London Heathrow

CJULHR

Jeju City

Tue 22/12

22:20-18:35

3 stops29h 15m

London Heathrow

Wed 31/12

00:00-08:00

Nonstop0h 00m

£322

Fastest return journey

Jeju CityLondon

CJU Jeju City - LHR London Heathrow

CJULHR

Jeju City

Mon 21/12

13:50-06:25

1 stop25h 35m

London Heathrow

Wed 31/12

00:00-08:00

Nonstop0h 00m

£333

Jeju CityLondon

CJU Jeju City - LHR London Heathrow

CJULHR

Jeju City

Mon 11/1

16:20-17:30

2 stops34h 10m

London Heathrow

Wed 31/12

00:00-08:00

Nonstop0h 00m

£368

Jeju CityLondon

CJU Jeju City - LHR London Heathrow

CJULHR

Jeju City

Tue 2/3

20:00-17:20

1 stop30h 20m

London Heathrow

Wed 31/12

00:00-08:00

Nonstop0h 00m

£508

Jeju CityLondon

CJU Jeju City - LHR London Heathrow

CJULHR

Jeju City

Mon 11/1

20:00-15:00

1 stop28h 00m

London Heathrow

Wed 31/12

00:00-08:00

Nonstop0h 00m

£509

Jeju CityLondon

CJU Jeju City - LHR London Heathrow

CJULHR

Jeju City

Sun 29/11

14:40-19:10

1 stop37h 30m

London Heathrow

Sun 6/12

21:30-21:20

1 stop14h 50m

£536

Jeju CityLondon

CJU Jeju City - LHR London Heathrow

CJULHR

Jeju City

Wed 23/12

14:40-20:30

1 stop38h 50m

London Heathrow

Wed 6/1

21:30-21:20

1 stop14h 50m

£560

Flights are sorted by cheapest return flights first.

Deals found on 17/10

Showing 1-10 of 14 resultsSorted by cheapest first

Best time to book a flight from Jeju City to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Jeju City with our price prediction graph.

CJU-LHR

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.

Related info for your journey

What airport do you fly from for flights from Jeju City to London Heathrow?
Jeju City (CJU) is the airport you will fly out of if you book a flight from Jeju City to London Heathrow. You should not have trouble finding flights to London Heathrow from Jeju; the airport handles an average of 0 outbound flights to London Heathrow per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the Jeju City airport to London Heathrow. It is only a 1.7 mi journey to Jeju (CJU) from Jeju City’s city center.
How long is the flight from Jeju City to London Heathrow Airport?
A quick flight from Jeju City to London Heathrow Airport can take about 30h 20m. Cathay Pacific provides one of the quickest options available for as low as £858. Jeju City and London Heathrow Airport are separated by a distance of 5739 mi.
Can I find deals for flights from Jeju City to Heathrow that include hotel bookings?
Yes. In addition to deals on Jeju City to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Jeju City to Heathrow?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Jeju City to Heathrow.
Can I find deals for business class flights from Jeju City to Heathrow?
Yes. Cheapflights offers flight deals from Jeju City to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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Cheap flights from Jeju City to London Heathrow Airport from £185

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 22/12. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Jeju City to Heathrow

Cheapest flights from Jeju City to HeathrowExplore the most affordable flight options available from Jeju City to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 October 2026.

Explore the most affordable flight options available from Jeju City to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 October 2026.

Best flights from Jeju City to HeathrowDiscover carefully curated flight deals from Jeju City to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 17 October 2026.

Discover carefully curated flight deals from Jeju City to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 17 October 2026.

Last-minute flights from Jeju City to HeathrowDiscover last-minute flight deals from Jeju City to Heathrow. Data last updated 17 October 2026 and is based on user searches.

Discover last-minute flight deals from Jeju City to Heathrow. Data last updated 17 October 2026 and is based on user searches.

One-way flights from Jeju City to HeathrowSearch for one-way flight options from Jeju City to Heathrow. Find affordable one-way fares based on user searches. Data last updated 17 October 2026.

Search for one-way flight options from Jeju City to Heathrow. Find affordable one-way fares based on user searches. Data last updated 17 October 2026.

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Best time to book a flight from Jeju City to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Jeju City with our price prediction graph.

Related info for your journey

What airport do you fly from for flights from Jeju City to London Heathrow?

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

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

How can I find direct flights from Jeju City to Heathrow?

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

Travelling to a place near London Heathrow Airport?

Browse thousands of different options on Cheapflights for your next trip

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Search flights from Jeju City to Heathrow by cabin class

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Other flights to Heathrow

Explore flights to Heathrow departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 17 October 2026.

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Cheapest flights from Jeju City to Heathrow
Explore the most affordable flight options available from Jeju City to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 October 2026.

Best flights from Jeju City to Heathrow
Discover carefully curated flight deals from Jeju City to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 17 October 2026.

Last-minute flights from Jeju City to Heathrow
Discover last-minute flight deals from Jeju City to Heathrow. Data last updated 17 October 2026 and is based on user searches.

One-way flights from Jeju City to Heathrow
Search for one-way flight options from Jeju City to Heathrow. Find affordable one-way fares based on user searches. Data last updated 17 October 2026.