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Cheap flights from Busan to London Heathrow Airport from £209

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 21/10. Fares are subject to change and may not be available on all flights or dates of travel.
PUS — LHR
22 Aug — 29 Aug1
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 23 July 2026.

Fri 20/1117:50
PUS
-
LHR
1 stop32h 40m
China Eastern
Fri 27/1121:00
LHR
-
PUS
1 stop34h 50m
China Eastern
Deal found 20/7£519
Tue 29/1207:00
PUS
-
LHR
2 stops23h 25m
Air France
Thu 14/106:20
LHR
-
PUS
2 stops29h 25m
Air France
Deal found 21/7£523
Mon 7/912:45
PUS
-
LHR
1 stop15h 40m
Air China
Wed 16/922:40
LHR
-
PUS
1 stop29h 05m
Air China
Deal found 21/7£523
Mon 7/912:45
PUS
-
LHR
1 stop15h 40m
Air China
Tue 15/922:40
LHR
-
PUS
1 stop29h 05m
Air China
Deal found 21/7£524
Wed 19/812:45
PUS
-
LHR
1 stop36h 55m
Air China
Wed 26/820:25
LHR
-
PUS
1 stop31h 20m
Air China
Deal found 20/7£526
Tue 18/812:45
PUS
-
LHR
1 stop15h 40m
Air China
Wed 26/822:40
LHR
-
PUS
1 stop29h 05m
Air China
Deal found 21/7£527
Thu 6/812:35
PUS
-
LHR
1 stop38h 05m
China Eastern
Thu 13/821:20
LHR
-
PUS
1 stop30h 15m
China Eastern
Deal found 20/7£528
Mon 3/812:35
PUS
-
LHR
1 stop38h 05m
China Eastern
Mon 10/821:20
LHR
-
PUS
1 stop30h 15m
China Eastern
Deal found 19/7£528
Wed 5/817:50
PUS
-
LHR
1 stop32h 50m
China Eastern
Wed 12/821:20
LHR
-
PUS
1 stop35h 30m
China Eastern
Deal found 20/7£530
Sun 9/812:35
PUS
-
LHR
1 stop38h 05m
China Eastern
Tue 11/821:20
LHR
-
PUS
1 stop30h 15m
China Eastern
Deal found 19/7£531
Sun 9/812:35
PUS
-
LHR
1 stop38h 05m
China Eastern
Sun 16/821:20
LHR
-
PUS
1 stop35h 30m
China Eastern
Deal found 19/7£533

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 23 July 2026.

Round-trip from

£519

One-way from

£209

Popular in

October

Cheapest in

March

Average price

£674
China Eastern
  • China Eastern
  • 20/11-27/11
  • 2 total stops
  • 67h 30m total
  • Busan to London
Search Deals
21/10
  • 21/10
  • 2 total stops
  • 42h 55m total
  • Busan to London
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (£78 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£17 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
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 23 July 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 10/8

17:50-18:40

1 stop32h 50m

London Heathrow

Tue 11/8

21:20-11:35

1 stop30h 15m

£540

BusanLondon

PUS - LHR

PUSLHR

Busan Gimhae

Sun 27/12

16:10-09:00

2 stops25h 50m

London Heathrow

Sun 3/1

20:25-20:45

2 stops39h 20m

£869

BusanLondon

PUS - LHR

PUSLHR

Busan Gimhae

Mon 11/1

14:05-15:00

1 stop33h 55m

London Heathrow

Mon 18/1

22:05-19:35

2 stops36h 30m

£915

BusanLondon

PUS - LHR

PUSLHR

Busan Gimhae

Mon 10/8

12:45-19:20

2 stops38h 35m

London Heathrow

Fri 14/8

21:35-11:35

2 stops30h 00m

£915

BusanLondon

PUS - LHR

PUSLHR

Busan Gimhae

Sun 20/12

19:25-14:00

2 stops27h 35m

London Heathrow

Thu 31/12

08:35-16:10

2 stops22h 35m

£931

BusanLondon

PUS - LHR

PUSLHR

Busan Gimhae

Wed 14/10

08:00-05:55

2 stops29h 55m

London Heathrow

Sun 18/10

21:35-18:20

2 stops36h 45m

£936

BusanLondon

PUS - LHR

PUSLHR

Busan Gimhae

Mon 14/9

08:00-07:40

2 stops31h 40m

London Heathrow

Wed 23/9

17:10-20:45

2 stops19h 35m

£940

BusanLondon

PUS - LHR

PUSLHR

Busan Gimhae

Wed 9/9

16:30-07:40

2 stops23h 10m

London Heathrow

Wed 16/9

14:45-19:35

2 stops20h 50m

£946

BusanLondon

PUS - LHR

PUSLHR

Busan Gimhae

Thu 17/9

19:20-13:15

2 stops25h 55m

London Heathrow

Thu 24/9

08:25-17:00

2 stops24h 35m

£958

BusanLondon

PUS - LHR

PUSLHR

Busan Gimhae

Thu 1/10

07:40-19:30

1 stop43h 50m

London Heathrow

Tue 6/10

09:25-06:35

1 stop37h 10m

£971

Flights are sorted by cheapest return flights first.

Deals found on 19/7

Showing 1-10 of 22 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.

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 25h 50m. 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?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Hounslow
Milton Keynes
Luton
Wembley
Gatwick
Slough
Ilford
Hayes
Croydon
Colchester
Brentford
Eastbourne
Northampton
Watford
Swindon
Southend-on-Sea
Poole
Kingston upon Thames
Southall
Aylesbury

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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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