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Cheap flights from Busan to London Heathrow Airport from £270

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 23/7. Fares are subject to change and may not be available on all flights or dates of travel.
PUS — LHR
23 Jul — 30 Jul1
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 June 2026.

Thu 23/717:50
PUS
-
LHR
1 stop32h 50m
China Eastern
Sun 26/721:20
LHR
-
PUS
1 stop35h 30m
China Eastern
Deal found 19/6£546
Sat 27/612:35
PUS
-
LHR
1 stop38h 05m
Multiple Airlines
Thu 2/721:20
LHR
-
PUS
1 stop35h 30m
Multiple Airlines
Deal found 19/6£550
Mon 29/612:35
PUS
-
LHR
1 stop38h 05m
Multiple Airlines
Thu 2/721:20
LHR
-
PUS
1 stop35h 30m
Multiple Airlines
Deal found 19/6£552
Tue 30/612:35
PUS
-
LHR
1 stop38h 05m
Multiple Airlines
Thu 2/721:20
LHR
-
PUS
1 stop35h 30m
Multiple Airlines
Deal found 20/6£555
Wed 8/717:50
PUS
-
LHR
1 stop32h 50m
China Eastern
Fri 31/721:20
LHR
-
PUS
1 stop35h 30m
China Eastern
Deal found 21/6£562
Mon 29/612:35
PUS
-
LHR
1 stop38h 05m
Multiple Airlines
Sun 5/721:20
LHR
-
PUS
1 stop35h 30m
Multiple Airlines
Deal found 19/6£576
Sun 26/712:35
PUS
-
LHR
1 stop38h 05m
China Eastern
Fri 31/721:20
LHR
-
PUS
1 stop35h 30m
China Eastern
Deal found 21/6£580
Wed 22/712:35
PUS
-
LHR
1 stop38h 05m
China Eastern
Wed 29/721:20
LHR
-
PUS
1 stop35h 30m
China Eastern
Deal found 22/6£580
Fri 26/617:50
PUS
-
LHR
1 stop32h 50m
China Eastern
Fri 3/721:20
LHR
-
PUS
1 stop30h 15m
China Eastern
Deal found 20/6£586
Tue 13/1012:35
PUS
-
LHR
1 stop38h 05m
China Eastern
Tue 20/1021:20
LHR
-
PUS
1 stop35h 30m
China Eastern
Deal found 20/6£592

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 June 2026.

Round-trip from

£546

One-way from

£270

Popular in

October

Cheapest in

March

Average price

£390
China Eastern
  • China Eastern
  • 23/7-26/7
  • 2 total stops
  • 68h 20m total
  • Busan to London
Search Deals
China Eastern
  • China Eastern
  • 23/7
  • 1 total stop
  • 32h 50m total
  • Busan to London
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (£74 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£16 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 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 June 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 26/10

12:45-15:55

1 stop36h 10m

London Heathrow

Fri 30/10

20:25-11:45

1 stop30h 20m

£630

BusanLondon

PUS - LHR

PUSLHR

Busan Gimhae

Sat 18/7

12:35-18:40

1 stop38h 05m

London Heathrow

Fri 24/7

21:20-16:50

1 stop35h 30m

£812

BusanLondon

PUS - LHR

PUSLHR

Busan Gimhae

Sat 18/7

12:35-18:40

1 stop38h 05m

London Heathrow

Sat 25/7

21:20-11:35

1 stop30h 15m

£812

BusanLondon

PUS - LHR

PUSLHR

Busan Gimhae

Thu 26/11

10:35-07:15

1 stop29h 40m

London Heathrow

Sun 29/11

11:00-06:10

1 stop34h 10m

£830

BusanLondon

PUS - LHR

PUSLHR

Busan Gimhae

Tue 17/11

10:35-07:15

1 stop29h 40m

London Heathrow

Wed 25/11

11:00-06:10

1 stop34h 10m

£840

BusanLondon

PUS - LHR

PUSLHR

Busan Gimhae

Wed 30/9

10:00-16:55

1 stop38h 55m

London Heathrow

Sun 11/10

19:50-07:05

1 stop27h 15m

£863

BusanLondon

PUS - LHR

PUSLHR

Busan Gimhae

Sun 15/11

10:35-07:15

1 stop29h 40m

London Heathrow

Thu 26/11

11:00-07:10

1 stop35h 10m

£863

BusanLondon

PUS - LHR

PUSLHR

Busan Gimhae

Mon 21/9

08:15-15:45

1 stop39h 30m

London Heathrow

Sun 27/9

09:25-06:35

1 stop37h 10m

£928
Fastest return journey

BusanLondon

PUS - LHR

PUSLHR

Busan Gimhae

Wed 26/8

16:30-09:00

2 stops24h 30m

London Heathrow

Wed 2/9

15:20-18:20

2 stops19h 00m

£941

BusanLondon

PUS - LHR

PUSLHR

Busan Gimhae

Thu 8/10

07:40-05:55

1 stop30h 15m

London Heathrow

Sun 11/10

22:05-06:50

1 stop48h 45m

£957

Flights are sorted by cheapest return flights first.

Deals found on 19/6

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 29h 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?

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

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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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