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Cheap flights from Busan to London Heathrow Airport from £136

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 4/3. Fares are subject to change and may not be available on all flights or dates of travel.
PUS — LHR
24 Mar — 31 Mar1
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 22 February 2026.

Mon 30/312:45
PUS
-
LHR
1 stop36h 55m
Air China
Mon 13/420:25
LHR
-
PUS
1 stop31h 20m
Air China
Deal found 18/2£499
Tue 10/312:45
PUS
-
LHR
1 stop36h 10m
Air China
Tue 17/320:25
LHR
-
PUS
1 stop30h 20m
Air China
Deal found 19/2£506
Mon 27/412:35
PUS
-
LHR
1 stop38h 05m
China Eastern
Thu 7/521:20
LHR
-
PUS
1 stop30h 15m
China Eastern
Deal found 20/2£507
Tue 3/312:45
PUS
-
LHR
1 stop36h 10m
Air China
Tue 10/317:40
LHR
-
PUS
1 stop33h 05m
Air China
Deal found 20/2£518
Tue 31/312:45
PUS
-
LHR
1 stop36h 55m
Air China
Sat 11/420:25
LHR
-
PUS
1 stop31h 20m
Air China
Deal found 21/2£521
Sun 29/312:45
PUS
-
LHR
1 stop15h 40m
Air China
Sat 4/422:40
LHR
-
PUS
1 stop29h 05m
Air China
Deal found 18/2£533
Mon 14/912:45
PUS
-
LHR
1 stop15h 40m
Air China
Sun 20/922:40
LHR
-
PUS
1 stop29h 05m
Air China
Deal found 21/2£553
Sat 20/611:00
PUS
-
LHR
1 stop38h 50m
Vietnam Airlines
Sun 20/919:50
LHR
-
PUS
1 stop27h 15m
Vietnam Airlines
Deal found 21/2£555
Sat 13/617:50
PUS
-
LHR
1 stop32h 50m
Multiple Airlines
Fri 19/621:20
LHR
-
PUS
1 stop30h 15m
Multiple Airlines
Deal found 18/2£556
Mon 1/610:00
PUS
-
LHR
1 stop39h 50m
Vietnam Airlines
Wed 3/618:55
LHR
-
PUS
1 stop28h 10m
Vietnam Airlines
Deal found 20/2£558

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 22 February 2026.

Round-trip from

£499

One-way from

£136

Popular in

July

Cheapest in

June

Average price

£718
Air China
  • Air China
  • 30/3-13/4
  • 2 total stops
  • 68h 15m total
  • Busan to London
Search Deals
China Eastern
  • China Eastern
  • 4/3
  • 1 total stop
  • 32h 40m total
  • Busan to London
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (£18 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£14 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 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 22 February 2026.
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 29/3

12:45-20:25

1 stop15h 40m

London Heathrow

Sat 4/4

22:40-11:45

1 stop29h 05m

£533

BusanLondon

PUS - LHR

PUSLHR

Busan Gimhae

Sat 20/6

11:00-17:50

1 stop38h 50m

London Heathrow

Sun 20/9

19:50-07:05

1 stop27h 15m

£555

BusanLondon

PUS - LHR

PUSLHR

Busan Gimhae

Tue 19/5

10:30-16:30

1 stop38h 00m

London Heathrow

Fri 29/5

21:10-09:30

1 stop28h 20m

£589

BusanLondon

PUS - LHR

PUSLHR

Busan Gimhae

Wed 3/6

10:00-16:55

1 stop38h 55m

London Heathrow

Mon 8/6

18:55-07:05

1 stop28h 10m

£602

BusanLondon

PUS - LHR

PUSLHR

Busan Gimhae

Thu 4/6

12:35-18:40

1 stop38h 05m

London Heathrow

Sun 7/6

21:20-11:35

1 stop30h 15m

£605

BusanLondon

PUS - LHR

PUSLHR

Busan Gimhae

Tue 12/5

10:30-16:30

1 stop38h 00m

London Heathrow

Fri 22/5

21:10-09:30

1 stop28h 20m

£624

BusanLondon

PUS - LHR

PUSLHR

Busan Gimhae

Sun 24/5

12:45-20:25

1 stop15h 40m

London Heathrow

Sat 6/6

22:40-11:45

1 stop29h 05m

£645

BusanLondon

PUS - LHR

PUSLHR

Busan Gimhae

Wed 13/5

19:10-19:20

2 stops32h 10m

London Heathrow

Sat 23/5

21:35-18:00

2 stops36h 25m

£649

BusanLondon

PUS - LHR

PUSLHR

Busan Gimhae

Thu 4/6

19:10-19:20

2 stops32h 10m

London Heathrow

Sun 7/6

21:35-18:00

2 stops36h 25m

£667

BusanLondon

PUS - LHR

PUSLHR

Busan Gimhae

Wed 8/4

12:45-20:25

1 stop15h 40m

London Heathrow

Tue 14/4

20:25-11:45

1 stop31h 20m

£675

Flights are sorted by cheapest return flights first.

Deals found on 19/2

Showing 1-10 of 21 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, June 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 £854). 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 15h 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.

  • 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 £374). Flying from Busan to London Heathrow Airport in March is currently the most expensive (average of £854). 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
Wembley
Luton
Northampton
Gatwick
Slough
Hounslow
Ilford
Hayes
Brentford
Colchester
Watford
Guildford
Kingston upon Thames
Eastbourne
Ipswich
Chelmsford
Swindon
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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