Find flights
When to book
Airlines
FAQs

Cheap flights from London Heathrow Airport to Busan from £340

LHR — PUS
21 Oct — 28 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to Busan

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Busan

Tue 3/1121:00 -
1 stop29h 35m
Tue 10/1117:50 -
1 stop32h 40m
Deal found 18/9£514
Mon 2/1121:00 -
1 stop34h 50m
Mon 9/1118:50 -
2 stops31h 40m
Deal found 18/9£529
Tue 3/1121:00 -
1 stop29h 35m
Thu 19/1112:35 -
1 stop37h 55m
Deal found 20/9£540
Tue 10/1121:00 -
2 stops35h 50m
Tue 17/1117:50 -
1 stop32h 40m
Deal found 18/9£546
Tue 22/921:20 -
1 stop35h 30m
Wed 14/1017:50 -
1 stop32h 50m
Deal found 18/9£548
Tue 17/1121:00 -
1 stop34h 50m
Tue 24/1117:50 -
1 stop32h 40m
Deal found 18/9£549
Thu 19/1121:00 -
1 stop29h 35m
Thu 26/1117:50 -
1 stop32h 40m
Deal found 18/9£556
Thu 12/1121:00 -
1 stop29h 35m
Tue 17/1117:50 -
1 stop32h 40m
Deal found 18/9£558
Wed 4/1121:00 -
1 stop29h 35m
Wed 11/1117:50 -
1 stop32h 40m
Deal found 19/9£561

Find flight deals from Heathrow to Busan

Round-trip from

£514

One-way from

£340

Popular in

July

Cheapest in

May

Average price

£517
China Eastern
  • China Eastern
  • 3/11-10/11
  • 2 total stops
  • 62h 15m total
  • London to Busan
Search Deals
11/11-31/12
  • 11/11-31/12
  • 3 total stops
  • 51h 35m total
  • London to Busan
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£72 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£30 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2026
Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonBusan

LHR London Heathrow - PUS Busan Gimhae

LHRPUS

London Heathrow

Wed 11/11

22:15-10:50

3 stops51h 35m

Busan Gimhae

Wed 31/12

00:00-16:00

Nonstop0h 00m

£340

LondonBusan

LHR London Heathrow - PUS Busan Gimhae

LHRPUS

London Heathrow

Wed 11/11

21:00-17:50

2 stops35h 50m

Busan Gimhae

Wed 31/12

00:00-16:00

Nonstop0h 00m

£349

LondonBusan

LHR London Heathrow - PUS Busan Gimhae

LHRPUS

London Heathrow

Thu 29/10

21:30-20:35

2 stops38h 05m

Busan Gimhae

Wed 31/12

00:00-16:00

Nonstop0h 00m

£358

LondonBusan

LHR London Heathrow - PUS Busan Gimhae

LHRPUS

London Heathrow

Mon 14/12

07:00-07:05

3 stops39h 05m

Busan Gimhae

Wed 31/12

00:00-16:00

Nonstop0h 00m

£422

LondonBusan

LHR London Heathrow - PUS Busan Gimhae

LHRPUS

London Heathrow

Sat 12/12

09:55-16:50

3 stops45h 55m

Busan Gimhae

Wed 31/12

00:00-16:00

Nonstop0h 00m

£458

LondonBusan

LHR London Heathrow - PUS Busan Gimhae

LHRPUS

London Heathrow

Tue 13/10

07:30-21:30

2 stops30h 00m

Busan Gimhae

Wed 31/12

00:00-16:00

Nonstop0h 00m

£461

LondonBusan

LHR London Heathrow - PUS Busan Gimhae

LHRPUS

London Heathrow

Tue 15/12

11:05-20:50

2 stops48h 45m

Busan Gimhae

Wed 31/12

00:00-16:00

Nonstop0h 00m

£462
Fastest return journey

LondonBusan

LHR London Heathrow - PUS Busan Gimhae

LHRPUS

London Heathrow

Tue 23/2

22:00-06:20

1 stop23h 20m

Busan Gimhae

Wed 31/12

00:00-16:00

Nonstop0h 00m

£479

LondonBusan

LHR London Heathrow - PUS Busan Gimhae

LHRPUS

London Heathrow

Wed 25/11

21:00-11:35

1 stop29h 35m

Busan Gimhae

Sun 6/12

17:50-17:30

1 stop32h 40m

£564

LondonBusan

LHR London Heathrow - PUS Busan Gimhae

LHRPUS

London Heathrow

Thu 19/11

21:00-16:50

1 stop34h 50m

Busan Gimhae

Wed 25/11

17:50-17:30

1 stop32h 40m

£578

Flights are sorted by cheapest return flights first.

Deals found on 16/9

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

Best time to book a flight from Heathrow to Busan

Have a flexible travel schedule? Discover the best time to fly to Busan from Heathrow with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight from London Heathrow Airport to Busan

What’s the top stopover airport for flights from London Heathrow Airport to Busan?

Incheon (ICN) – chosen by Cheapflights users on 80% of one-stop itineraries from London Heathrow Airport to Busan on Cheapflights.

What’s the cheapest stopover airport for flights from London Heathrow Airport to Busan?

Beijing (PEK) is the most affordable one-stop option, with an average return flight price of £458.

What’s the fastest stopover option from London Heathrow Airport to Busan?

Flights via Incheon (ICN) have the shortest average one-way travel time for one-stop routes: 15h 19m.

Which airport typically offers the quickest stopover for flights from London Heathrow Airport to Busan?

Flights via Incheon (ICN) offer the fastest connection on this route, with an average stopover time of 2h 58m.

Reviews of airlines servicing Busan

Get a feel of what it's like to fly with Korean Air from London Heathrow Airport to Busan by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very Good
1,218 reviews
Check prices

Crew

8.7

Food

8.1

Boarding

8.5

Comfort

8.3

Entertainment

8.2

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Korean Air
8.4
Very Good
1,218 reviews
Korean Air
8.4
Very Good
1,218 reviews
Check prices

Crew

8.7

Food

8.1

Boarding

8.5

Comfort

8.3

Entertainment

8.2

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

Related info for your journey

  • What airport do you fly into for flights to Busan from London Heathrow?

    For a flight from London Heathrow to Busan, you will be flying into Gimhae. Busan Gimhae (PUS) is just 7.2 mi from the center of the city. Gimhae is the only Busan airport and it handles 0 inbound flights from London Heathrow per day. 1 airline has flights to Busan Gimhae from London Heathrow on a regular basis.

  • How long is the flight from London Heathrow Airport to Busan?

    There are many flights that can get you from London Heathrow Airport to Busan in 29h 35m. Fly via China Eastern to get the fastest option. Airlines will cover a distance of 5709 mi.

  • What is the cheapest airline to fly from London Heathrow Airport to Busan round-trip?

    Korean Air, at £717, was found to be the cheapest airline from London Heathrow Airport to Busan.. This flight start at 29% lower than the current average price 3 months from now.

  • Can I find deals for flights from Heathrow to Busan that include hotel bookings?

    Yes. In addition to deals on Heathrow to Busan flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Heathrow to Busan?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Busan.

  • Can I find deals for business class flights from Heathrow to Busan?

    Yes. Cheapflights offers flight deals from Heathrow to Busan 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

Browse thousands of different options on Cheapflights for your next trip

Top airline flying from Heathrow to Busan

AirlineCheapestAverageFlexibilityOn-time
Korean AirCheapest£717Average£924FlexibilityNo cancel feeOn-time81%
Search Korean Air flights

Fly with Cheapflights

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

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Heathrow to Busan. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

Cheapflights helps you find that perfect flight to Busan from Heathrow by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Heathrow to Busan with no change fees?

Yes! Cheapflights helps users easily find flights from Heathrow to Busan with no change fees.

Can Cheapflights notify me if prices for flights from Heathrow to Busan become cheaper?

Yes, Cheapflights offers price alerts on Heathrow to Busan flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the 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.