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Cheap flights from Busan to London Heathrow Airport from £141

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/12. Fares are subject to change and may not be available on all flights or dates of travel.
PUS — LHR
21 Nov — 28 Nov1
1 adult
1 adult, Economy

Cheap flight deals from Busan to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Busan (PUS) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 22 October 2025.

Round-trip from

£395

One-way from

£141

Popular in

October

Cheapest in

June

Average price

£1,374
Air China
  • Air China
  • 12/11-18/11
  • 2 total stops
  • 66h 30m total
  • Busan to London
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Air China
  • Air China
  • 4/12
  • 1 total stop
  • 36h 10m total
  • Busan to London
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (£109 potential increase over avg. return price).
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Cheapest flight prices on average. 8% potential price decrease (£44 potential savings vs. average return price).
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Average for round-trip flights in October 2025
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Find flight deals from Busan to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from Busan to Heathrow
Explore the most affordable flight options available from Busan to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 October 2025.

Wed 12/1112:45PUS - LHR
1 stop36h 10mAir China
Tue 18/1120:25LHR - PUS
1 stop30h 20mAir China
Deal found 21/10£395
Mon 1/1212:45PUS - LHR
1 stop36h 10mAir China
Mon 8/1217:40LHR - PUS
1 stop33h 05mAir China
Deal found 20/10£396
Sun 23/1112:45PUS - LHR
1 stop36h 10mAir China
Tue 2/1220:25LHR - PUS
1 stop30h 20mAir China
Deal found 21/10£401
Tue 18/1117:50PUS - LHR
1 stop32h 40mChina Eastern
Tue 25/1121:00LHR - PUS
1 stop29h 35mChina Eastern
Deal found 20/10£406
Mon 17/1117:50PUS - LHR
1 stop32h 40mChina Eastern
Sun 23/1121:00LHR - PUS
1 stop29h 35mChina Eastern
Deal found 20/10£406
Mon 24/1117:50PUS - LHR
1 stop32h 40mChina Eastern
Sun 30/1121:00LHR - PUS
1 stop34h 50mChina Eastern
Deal found 21/10£415
Fri 26/1212:45PUS - LHR
1 stop36h 10mAir China
Wed 31/1217:40LHR - PUS
1 stop33h 05mAir China
Deal found 21/10£417
Mon 8/1212:45PUS - LHR
1 stop36h 10mAir China
Wed 31/1217:40LHR - PUS
1 stop33h 05mAir China
Deal found 20/10£418
Mon 24/1112:45PUS - LHR
1 stop36h 10mAir China
Sat 29/1120:25LHR - PUS
1 stop30h 20mAir China
Deal found 21/10£422
Sun 30/1112:45PUS - LHR
1 stop36h 10mAir China
Sat 6/1220:25LHR - PUS
1 stop30h 20mAir China
Deal found 20/10£424
Thu 20/1112:45PUS - LHR
1 stop36h 10mAir China
Thu 27/1117:40LHR - PUS
1 stop33h 05mAir China
Deal found 21/10£424

Cheapflights Fare Finder

 
Customise your flight search to find flights from Busan to Heathrow 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, Cheapflights users made 858,174 searches. Data last updated 22 October 2025.
Use the filters below to find and compare flights from Busan to London Heathrow Airport that are best for you.

Fly from

Busan

Fly to

Heathrow

Route

Depart

Return

Price

BusanLondon

PUS - LHR

PUSLHR

Busan Gimhae

Mon 24/11

12:45-15:55

1 stop36h 10m

London Heathrow

Sat 29/11

20:25-11:45

1 stop30h 20m

£422

BusanLondon

PUS - LHR

PUSLHR

Busan Gimhae

Tue 23/12

12:45-15:55

1 stop36h 10m

London Heathrow

Wed 31/12

17:40-11:45

1 stop33h 05m

£443

BusanLondon

PUS - LHR

PUSLHR

Busan Gimhae

Thu 27/11

12:45-15:55

1 stop36h 10m

London Heathrow

Sat 6/12

20:25-11:45

1 stop30h 20m

£445

BusanLondon

PUS - LHR

PUSLHR

Busan Gimhae

Tue 23/12

12:45-15:55

1 stop36h 10m

London Heathrow

Tue 6/1

17:40-11:45

1 stop33h 05m

£448

BusanLondon

PUS - LHR

PUSLHR

Busan Gimhae

Mon 24/11

17:50-17:30

1 stop32h 40m

London Heathrow

Sun 30/11

21:30-08:10

2 stops25h 40m

£455

BusanLondon

PUS - LHR

PUSLHR

Busan Gimhae

Thu 18/12

17:50-17:30

1 stop32h 40m

London Heathrow

Thu 1/1

21:00-16:50

1 stop34h 50m

£464

BusanLondon

PUS - LHR

PUSLHR

Busan Gimhae

Mon 1/12

17:50-17:30

1 stop32h 40m

London Heathrow

Thu 4/12

21:00-11:35

1 stop29h 35m

£466

BusanLondon

PUS - LHR

PUSLHR

Busan Gimhae

Mon 24/11

12:45-15:55

1 stop36h 10m

London Heathrow

Sat 29/11

17:40-08:55

2 stops30h 15m

£471

BusanLondon

PUS - LHR

PUSLHR

Busan Gimhae

Wed 26/11

17:50-17:30

1 stop32h 40m

London Heathrow

Wed 3/12

21:30-08:35

2 stops26h 05m

£479

BusanLondon

PUS - LHR

PUSLHR

Busan Gimhae

Sat 22/11

17:50-17:30

1 stop32h 40m

London Heathrow

Sat 29/11

21:00-16:50

1 stop34h 50m

£485

Flights are sorted by cheapest return flights first.

Deals found on 20/10

Showing 1-10 of 24 results
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Best time to book a flight from Busan to Heathrow

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

What is the cheapest month to book a flight from Busan to London Heathrow Airport?

Currently, October is the cheapest month in which you can book a flight from Busan to London Heathrow Airport (average of £374). Flying from Busan to London Heathrow Airport in March is currently the most expensive (average of £717). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Busan to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Busan to London Heathrow?

    Most people fly from Busan Gimhae (PUS) if they book a flight from Busan to London Heathrow. On average, Gimhae has 0 outbound flights to London Heathrow per day from 0 airlines. Busan Gimhae is conveniently located just 7.2 mi from Busan’s city center.

  • How long is the flight from Busan to London Heathrow Airport?

    Departing from Busan to London Heathrow Airport will take you 36h 10m. The distance from Busan to London Heathrow Airport is about 5709 mi.

  • Can I find deals for flights from Busan to Heathrow that include hotel bookings?

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

  • How can I find direct flights from Busan to Heathrow?

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

  • Can I find deals for business class flights from Busan to Heathrow?

    Yes. Cheapflights offers flight deals from Busan 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.

  • What is the cheapest month to book a flight from Busan to London Heathrow Airport?

    Currently, October is the cheapest month in which you can book a flight from Busan to London Heathrow Airport (average of £374). Flying from Busan to London Heathrow Airport in March is currently the most expensive (average of £717). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Milton Keynes
Croydon
Slough
Gatwick
Hounslow
Northampton
Luton
Wembley
Ilford
Deal
Hayes
Colchester
Watford
Crawley
Winchester
Swindon
Chichester
Romford
Ipswich
Bedford

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Can Cheapflights find flights from Busan to Heathrow with no change fees?

Need flexible booking options for your flight to Heathrow from Busan? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Busan to Heathrow become cheaper?

Yes! Start tracking prices for Busan to Heathrow flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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