Cheap flights from Busan to London Heathrow Airport from £156

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 27/5. Fares are subject to change and may not be available on all flights or dates of travel.
PUS — LHR
10 May — 17 May1
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 10 April 2026.

Tue 12/512:35
PUS
-
LHR
1 stop38h 05m
China Eastern
Wed 13/521:20
LHR
-
PUS
1 stop30h 15m
China Eastern
Deal found 8/4£461
Fri 20/1112:45
PUS
-
LHR
1 stop36h 10m
Air China
Mon 30/1117:40
LHR
-
PUS
1 stop33h 05m
Air China
Deal found 5/4£549
Mon 23/1112:45
PUS
-
LHR
1 stop36h 10m
Air China
Fri 27/1120:25
LHR
-
PUS
1 stop30h 20m
Air China
Deal found 6/4£549
Wed 6/512:35
PUS
-
LHR
1 stop38h 05m
Multiple Airlines
Wed 13/521:20
LHR
-
PUS
1 stop35h 30m
Multiple Airlines
Deal found 10/4£560
Thu 3/1212:45
PUS
-
LHR
1 stop36h 10m
Air China
Mon 7/1217:40
LHR
-
PUS
1 stop33h 05m
Air China
Deal found 9/4£593
Tue 12/512:35
PUS
-
LHR
1 stop38h 05m
Multiple Airlines
Thu 14/520:25
LHR
-
PUS
1 stop31h 20m
Multiple Airlines
Deal found 6/4£599
Sun 18/1012:45
PUS
-
LHR
1 stop15h 40m
Air China
Sat 24/1022:40
LHR
-
PUS
1 stop29h 05m
Air China
Deal found 9/4£618
Thu 21/512:45
PUS
-
LHR
1 stop36h 55m
Air China
Thu 28/520:25
LHR
-
PUS
1 stop31h 20m
Air China
Deal found 6/4£619
Sun 15/1112:45
PUS
-
LHR
1 stop36h 10m
Multiple Airlines
Sun 22/1117:40
LHR
-
PUS
2 stops32h 55m
Multiple Airlines
Deal found 6/4£622
Wed 13/512:45
PUS
-
LHR
1 stop36h 55m
Air China
Fri 15/520:25
LHR
-
PUS
1 stop31h 20m
Air China
Deal found 6/4£631
Tue 9/612:45
PUS
-
LHR
1 stop36h 55m
Air China
Tue 30/620:25
LHR
-
PUS
1 stop31h 20m
Air China
Deal found 8/4£633
Mon 7/912:45
PUS
-
LHR
1 stop36h 55m
Air China
Wed 9/920:25
LHR
-
PUS
1 stop31h 20m
Air China
Deal found 6/4£634

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 10 April 2026.

Round-trip from

£461

One-way from

£156

Popular in

July

Cheapest in

November

Average price

£686
China Eastern
  • China Eastern
  • 12/5-13/5
  • 2 total stops
  • 68h 20m total
  • Busan to London
China Eastern
  • China Eastern
  • 27/5
  • 1 total stop
  • 32h 50m total
  • Busan to London
Highest demand for flights based on searches. 12% potential increase in price (£84 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£14 potential savings vs. average return price).
Average for round-trip flights in April 2026

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 10 April 2026.
Use the filters below to find and compare flights from Busan to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BusanLondon

PUS - LHR

PUSLHR

Busan Gimhae

Mon 18/5

12:45-17:40

1 stop36h 55m

London Heathrow

Fri 22/5

20:25-11:45

1 stop31h 20m

£753

BusanLondon

PUS - LHR

PUSLHR

Busan Gimhae

Fri 17/7

12:45-17:40

1 stop36h 55m

London Heathrow

Sat 8/8

20:25-11:45

1 stop31h 20m

£768

BusanLondon

PUS - LHR

PUSLHR

Busan Gimhae

Wed 6/5

17:50-18:40

1 stop32h 50m

London Heathrow

Sun 10/5

21:20-16:50

1 stop35h 30m

£801

BusanLondon

PUS - LHR

PUSLHR

Busan Gimhae

Sat 3/10

07:40-05:55

1 stop30h 15m

London Heathrow

Fri 9/10

11:20-06:35

1 stop35h 15m

£874

BusanLondon

PUS - LHR

PUSLHR

Busan Gimhae

Thu 1/10

07:40-08:00

1 stop32h 20m

London Heathrow

Sat 10/10

20:35-06:50

1 stop26h 15m

£923

BusanLondon

PUS - LHR

PUSLHR

Busan Gimhae

Tue 22/9

07:40-05:55

1 stop30h 15m

London Heathrow

Sun 27/9

20:35-06:35

1 stop26h 00m

£942

BusanLondon

PUS - LHR

PUSLHR

Busan Gimhae

Fri 14/8

08:15-05:55

1 stop29h 40m

London Heathrow

Sat 22/8

20:35-06:50

1 stop26h 15m

£956

BusanLondon

PUS - LHR

PUSLHR

Busan Gimhae

Wed 23/9

08:15-05:55

1 stop29h 40m

London Heathrow

Mon 28/9

20:35-06:50

1 stop26h 15m

£1,005
Fastest return journey

BusanLondon

PUS - LHR

PUSLHR

Busan Gimhae

Wed 6/5

19:20-17:40

2 stops30h 20m

London Heathrow

Thu 14/5

08:55-11:35

2 stops18h 40m

£1,092

BusanLondon

PUS - LHR

PUSLHR

Busan Gimhae

Sat 8/8

20:45-22:00

3 stops33h 15m

London Heathrow

Sun 16/8

11:45-07:45

3 stops36h 00m

£1,115

Flights are sorted by cheapest return flights first.

Deals found on 10/4

Showing 1-10 of 21 resultsSorted by cheapest first
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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, June is the cheapest month in which you can book a flight from Busan to London Heathrow Airport (average of £387). Flying from Busan to London Heathrow Airport in March is currently the most expensive (average of £858). 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.

How much does it cost for a return flight from Busan to London Heathrow Airport?

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 30h 15m. 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.

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

    Currently, June is the cheapest month in which you can book a flight from Busan to London Heathrow Airport (average of £387). Flying from Busan to London Heathrow Airport in March is currently the most expensive (average of £858). 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
Wembley
Croydon
Northampton
Hounslow
Gatwick
Luton
Ilford
Slough
Hayes
Brentford
Colchester
Watford
Kingston upon Thames
Romford
Eastbourne
Swindon
Chelmsford
Ipswich
Southend-on-Sea

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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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