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Cheap flights from Busan to London Heathrow Airport from £121

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 20/1. Fares are subject to change and may not be available on all flights or dates of travel.
PUS — LHR
4 Jan — 11 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap 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 5 December 2025.

Mon 22/1217:50PUS - LHR
1 stop32h 40mChina Eastern
Sat 10/121:00LHR - PUS
1 stop29h 35mChina Eastern
Deal found 2/12£425
Wed 24/1217:50PUS - LHR
1 stop32h 40mChina Eastern
Mon 5/121:00LHR - PUS
1 stop34h 50mChina Eastern
Deal found 2/12£429
Mon 22/1217:50PUS - LHR
1 stop32h 40mMultiple Airlines
Sat 10/121:30LHR - PUS
2 stops25h 40mMultiple Airlines
Deal found 2/12£437
Sat 27/1217:50PUS - LHR
1 stop32h 40mMultiple Airlines
Sat 3/121:00LHR - PUS
1 stop34h 50mMultiple Airlines
Deal found 3/12£501
Thu 11/1212:45PUS - LHR
1 stop36h 10mAir China
Mon 15/1220:25LHR - PUS
1 stop30h 20mAir China
Deal found 3/12£529
Fri 5/1212:45PUS - LHR
1 stop36h 10mAir China
Wed 10/1220:25LHR - PUS
1 stop30h 20mAir China
Deal found 3/12£543
Tue 23/1217:50PUS - LHR
1 stop32h 40mChina Eastern
Mon 29/1221:00LHR - PUS
1 stop34h 50mChina Eastern
Deal found 2/12£557
Wed 24/1217:50PUS - LHR
1 stop32h 40mChina Eastern
Sun 28/1221:00LHR - PUS
1 stop29h 35mChina Eastern
Deal found 3/12£558
Mon 8/1212:45PUS - LHR
1 stop36h 10mAir China
Sun 21/1220:25LHR - PUS
1 stop30h 20mAir China
Deal found 5/12£558
Mon 8/1212:45PUS - LHR
1 stop36h 10mAir China
Tue 16/1220:25LHR - PUS
1 stop30h 20mAir China
Deal found 2/12£559
Mon 15/1217:50PUS - LHR
1 stop32h 40mChina Eastern
Fri 26/1221:00LHR - PUS
1 stop29h 35mChina Eastern
Deal found 4/12£561
Tue 23/1217:50PUS - LHR
1 stop32h 40mChina Eastern
Sun 28/1221:00LHR - PUS
1 stop29h 35mChina Eastern
Deal found 2/12£562

Find 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 5 December 2025.

Round-trip from

£384

One-way from

£121

Popular in

October

Cheapest in

June

Average price

£715
Air China
  • Air China
  • 21/1-28/1
  • 2 total stops
  • 69h 15m total
  • Busan to London
Search Deals
China Eastern
  • China Eastern
  • 20/1
  • 1 total stop
  • 32h 40m total
  • Busan to London
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (£145 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 12% potential price decrease (£64 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 5 December 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

Sun 18/1

17:50-17:30

1 stop32h 40m

London Heathrow

Sun 25/1

21:00-11:35

1 stop29h 35m

£397

BusanLondon

PUS - LHR

PUSLHR

Busan Gimhae

Wed 1/4

12:45-17:45

1 stop37h 00m

London Heathrow

Thu 9/4

20:25-11:45

1 stop31h 20m

£410

BusanLondon

PUS - LHR

PUSLHR

Busan Gimhae

Wed 24/12

17:50-17:30

1 stop32h 40m

London Heathrow

Mon 5/1

21:00-16:50

1 stop34h 50m

£429

BusanLondon

PUS - LHR

PUSLHR

Busan Gimhae

Fri 23/1

17:50-17:30

1 stop32h 40m

London Heathrow

Tue 27/1

22:00-19:35

2 stops36h 35m

£436

BusanLondon

PUS - LHR

PUSLHR

Busan Gimhae

Fri 23/1

12:45-15:55

1 stop36h 10m

London Heathrow

Tue 27/1

17:40-11:45

1 stop33h 05m

£457

BusanLondon

PUS - LHR

PUSLHR

Busan Gimhae

Sun 1/3

12:45-15:55

1 stop36h 10m

London Heathrow

Mon 16/3

20:25-11:45

1 stop30h 20m

£459

BusanLondon

PUS - LHR

PUSLHR

Busan Gimhae

Thu 22/1

12:45-15:55

1 stop36h 10m

London Heathrow

Wed 28/1

17:40-08:05

2 stops29h 25m

£462

BusanLondon

PUS - LHR

PUSLHR

Busan Gimhae

Mon 19/1

12:45-15:55

1 stop36h 10m

London Heathrow

Sat 24/1

20:25-11:45

1 stop30h 20m

£464

BusanLondon

PUS - LHR

PUSLHR

Busan Gimhae

Sun 18/1

17:50-17:30

1 stop32h 40m

London Heathrow

Sat 24/1

21:00-16:50

1 stop34h 50m

£466

BusanLondon

PUS - LHR

PUSLHR

Busan Gimhae

Tue 28/4

12:45-20:30

1 stop15h 45m

London Heathrow

Mon 4/5

20:25-11:45

1 stop31h 20m

£471

Flights are sorted by cheapest return flights first.

Deals found on 4/12

Showing 1-10 of 22 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’s the top stopover airport for flights from Busan to London Heathrow Airport?

Share of one-stop return flights from Busan to London Heathrow Airport chosen by Cheapflights users in the past 12 months, using the same stopover each way.

Incheon (ICN) – chosen by Cheapflights users on 43% of one-stop itineraries from Busan to London Heathrow Airport on Cheapflights.

What’s the cheapest stopover airport for flights from Busan to London Heathrow Airport?

Average return fare for one-stop flights from Busan to London Heathrow Airport, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

Beijing (PEK) is the most affordable one-stop option, with an average return flight price of £616.

What’s the fastest stopover option from Busan to London Heathrow Airport?

Shortest average travel time for one-stop one-way flights from Busan to London Heathrow Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via Beijing (PEK) have the shortest average one-way travel time for one-stop routes: 15h 45m.

Which airport typically offers the quickest stopover for flights from Busan to London Heathrow Airport?

Average stopover duration for one-stop one-way flights from Busan to London Heathrow Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Incheon (ICN) offer the fastest connection on this route, with an average stopover time of 0h 58m.

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 32h 40m. The distance from Busan to London Heathrow Airport is about 5709 mi. Both multi-stop and direct flights can be found to your destination and back.

  • 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.

See more FAQs

Travelling to a place near London Heathrow Airport?

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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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