Find flights
When to book
FAQs

Cheap flights from Busan to London Heathrow Airport from £205

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 10/12. Fares are subject to change and may not be available on all flights or dates of travel.
PUS — LHR
24 Aug — 31 Aug1
1 adult

Cheap 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 19 August 2025.

Round-trip from

£440

One-way from

£205

Popular in

October

Cheapest in

November

Average price

£732
China Eastern
  • China Eastern
  • 20/10-28/10
  • 2 total stops
  • 67h 40m total
  • Busan to London
Search Deals
China Eastern
  • China Eastern
  • 20/10
  • 1 total stop
  • 38h 05m total
  • Busan to London
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£85 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease (£43 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2025
Search Deals

Find flight deals from Busan to Heathrow

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 19 August 2025.

Mon 20/1012:35PUS - LHR
1 stop38h 05mChina Eastern
Tue 28/1021:00LHR - PUS
1 stop29h 35mChina Eastern
Deal found 17/8£440
Wed 10/912:35PUS - LHR
1 stop38h 05mChina Eastern
Sun 14/921:20LHR - PUS
1 stop30h 15mChina Eastern
Deal found 17/8£442
Tue 9/917:50PUS - LHR
1 stop32h 50mChina Eastern
Mon 15/921:20LHR - PUS
1 stop35h 30mChina Eastern
Deal found 17/8£443
Tue 2/912:35PUS - LHR
1 stop38h 05mChina Eastern
Tue 16/921:20LHR - PUS
1 stop30h 15mChina Eastern
Deal found 17/8£497
Thu 4/912:35PUS - LHR
1 stop38h 05mChina Eastern
Sun 7/921:20LHR - PUS
1 stop30h 15mChina Eastern
Deal found 19/8£499
Sat 15/1112:35PUS - LHR
1 stop37h 55mChina Eastern
Sat 22/1121:00LHR - PUS
1 stop29h 35mChina Eastern
Deal found 17/8£499
Mon 13/1012:35PUS - LHR
1 stop38h 05mChina Eastern
Thu 30/1021:00LHR - PUS
1 stop29h 35mChina Eastern
Deal found 18/8£500
Tue 9/912:35PUS - LHR
1 stop38h 05mChina Eastern
Wed 17/921:20LHR - PUS
1 stop30h 15mChina Eastern
Deal found 19/8£501
Mon 3/1112:35PUS - LHR
1 stop37h 55mChina Eastern
Wed 12/1121:00LHR - PUS
1 stop29h 35mChina Eastern
Deal found 17/8£503
Fri 17/1012:45PUS - LHR
1 stop37h 00mAir China
Sat 25/1020:25LHR - PUS
1 stop31h 20mAir China
Deal found 17/8£518
Wed 10/912:35PUS - LHR
1 stop38h 05mMultiple Airlines
Thu 25/921:20LHR - PUS
1 stop35h 30mMultiple Airlines
Deal found 19/8£519

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 19 August 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

Mon 20/10

12:35-18:40

1 stop38h 05m

London Heathrow

Tue 28/10

21:00-11:35

1 stop29h 35m

£440

BusanLondon

PUS - LHR

PUSLHR

Busan Gimhae

Wed 10/9

12:35-18:40

1 stop38h 05m

London Heathrow

Sun 14/9

21:20-11:35

1 stop30h 15m

£442

BusanLondon

PUS - LHR

PUSLHR

Busan Gimhae

Wed 10/9

12:35-18:40

1 stop38h 05m

London Heathrow

Sat 13/9

21:20-11:35

1 stop30h 15m

£442

BusanLondon

PUS - LHR

PUSLHR

Busan Gimhae

Fri 5/9

12:35-18:40

1 stop38h 05m

London Heathrow

Sun 7/9

21:20-11:35

1 stop30h 15m

£442

BusanLondon

PUS - LHR

PUSLHR

Busan Gimhae

Thu 13/11

12:35-17:30

1 stop37h 55m

London Heathrow

Mon 17/11

21:00-11:35

1 stop29h 35m

£443

BusanLondon

PUS - LHR

PUSLHR

Busan Gimhae

Sun 19/10

12:35-18:40

1 stop38h 05m

London Heathrow

Sun 26/10

21:00-11:35

1 stop29h 35m

£443

BusanLondon

PUS - LHR

PUSLHR

Busan Gimhae

Tue 9/9

17:50-18:40

1 stop32h 50m

London Heathrow

Mon 15/9

21:20-16:50

1 stop35h 30m

£443

BusanLondon

PUS - LHR

PUSLHR

Busan Gimhae

Wed 5/11

12:35-17:30

1 stop37h 55m

London Heathrow

Sat 8/11

21:00-11:35

1 stop29h 35m

£446

BusanLondon

PUS - LHR

PUSLHR

Busan Gimhae

Wed 12/11

12:35-17:30

1 stop37h 55m

London Heathrow

Sat 15/11

21:00-11:35

1 stop29h 35m

£446

BusanLondon

PUS - LHR

PUSLHR

Busan Gimhae

Mon 20/10

12:35-18:40

1 stop38h 05m

London Heathrow

Thu 30/10

21:00-11:35

1 stop29h 35m

£446

Flights are sorted by cheapest return flights first.

Deals found on 17/8

Showing 1-10 of 19 results
1
2

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, January is the cheapest month in which you can book a flight from Busan to London Heathrow Airport (average of £112). Flying from Busan to London Heathrow Airport in August is currently the most expensive (average of £164). 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 38h 05m. The distance from Busan to London Heathrow Airport is about 5709 mi.

  • 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, January is the cheapest month in which you can book a flight from Busan to London Heathrow Airport (average of £112). Flying from Busan to London Heathrow Airport in August is currently the most expensive (average of £164). 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
Hounslow
Gatwick
Slough
Northampton
Deal
Luton
Wembley
Ilford
Crawley
Hayes
Watford
Folkestone
Ipswich
Winchester
Swindon
Eastbourne
Chichester
Southend-on-Sea

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Busan to Heathrow?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Heathrow from Busan today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Busan to Heathrow?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Busan to Heathrow.

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.