Cheap flights from London to Busan from £275

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 17/1. Fares are subject to change and may not be available on all flights or dates of travel.
LON — PUS
5 Jan — 12 Jan1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from London to Busan Gimhae are usually found in May or October, booked 68 days in advance, depart on a Wednesday or Saturday and return on a Monday

Cheap flight deals from London to Busan

Enter your travel dates to find the best prices.

Cheapest flights from London to Busan
Explore the most affordable flight options available from London to Busan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 6 December 2025.

Sun 28/1221:00LHR - PUS
1 stop29h 35mChina Eastern
Sun 4/112:35PUS - LHR
2 stops41h 15mChina Eastern
Deal found 5/12£1,446
Sun 7/1211:35LGW - PUS
1 stop15h 10mAir China
Wed 10/1212:45PUS - LGW
2 stops51h 10mAir China
Deal found 3/12£1,454
Sun 28/1209:00LHR - PUS
2 stops21h 10mMultiple Airlines
Sun 4/116:10PUS - LHR
2 stops25h 50mMultiple Airlines
Deal found 5/12£1,677
Sun 28/1211:00LHR - PUS
1 stop34h 10mVietnam Airlines
Sun 4/110:35PUS - LHR
2 stops38h 40mVietnam Airlines
Deal found 4/12£2,107
Sun 28/1218:50LHR - PUS
1 stop15h 45mKorean Air
Sun 4/107:00PUS - LHR
1 stop18h 30mKorean Air
Deal found 6/12£3,745

Find flight deals from London to Busan

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to Busan (PUS). 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 6 December 2025.

Round-trip from

£415

One-way from

£275

Popular in

August

Cheapest in

May

Average price

£810
China Eastern
  • China Eastern
  • 19/1-26/1
  • 3 total stops
  • 58h 05m total
  • London to Busan
17/1
  • 17/1
  • 2 total stops
  • 43h 10m total
  • London to Busan
Highest demand for flights based on searches. 24% potential increase in price (£157 potential increase over avg. return price).
Cheapest flight prices on average. 6% potential price decrease (£29 potential savings vs. average return price).
Average for round-trip flights in December 2025

Cheapflights Fare Finder

 
Customise your flight search to find flights from London to Busan 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 6 December 2025.
Use the filters below to find and compare flights from London to Busan that are best for you.

Fly from

London

Fly to

Busan

Route

Depart

Return

Price

LondonBusan

LGW - PUS

LGWPUS

London Gatwick

Mon 19/1

17:00-06:55

2 stops28h 55m

Busan Gimhae

Mon 26/1

17:50-14:00

1 stop29h 10m

£415

LondonBusan

LHR - PUS

LHRPUS

London Heathrow

Tue 10/3

17:40-11:45

1 stop33h 05m

Busan Gimhae

Fri 27/3

12:45-15:55

1 stop36h 10m

£420

LondonBusan

LGW - PUS

LGWPUS

London Gatwick

Thu 4/6

12:35-11:45

1 stop15h 10m

Busan Gimhae

Mon 8/6

12:45-06:35

1 stop25h 50m

£438

LondonBusan

LHR - PUS

LHRPUS

London Heathrow

Mon 19/1

22:00-08:10

2 stops49h 10m

Busan Gimhae

Mon 26/1

17:50-17:30

1 stop32h 40m

£438

LondonBusan

LHR - PUS

LHRPUS

London Heathrow

Thu 4/6

20:25-11:45

1 stop31h 20m

Busan Gimhae

Mon 8/6

12:45-20:30

1 stop15h 45m

£468

LondonBusan

LGW - PUS

LGWPUS

London Gatwick

Sun 8/2

17:00-11:35

1 stop33h 35m

Busan Gimhae

Fri 6/3

12:45-06:55

2 stops27h 10m

£594

LondonBusan

LGW - PUS

LGWPUS

London Gatwick

Fri 6/2

17:00-16:50

1 stop14h 50m

Busan Gimhae

Fri 6/3

12:45-06:55

2 stops27h 10m

£609

LondonBusan

LGW - PUS

LGWPUS

London Gatwick

Sat 7/2

10:30-11:35

1 stop16h 05m

Busan Gimhae

Fri 6/3

12:45-06:55

2 stops27h 10m

£609

LondonBusan

LHR - PUS

LHRPUS

London Heathrow

Sat 7/2

20:25-11:45

1 stop30h 20m

Busan Gimhae

Fri 6/3

12:45-15:55

1 stop36h 10m

£633

LondonBusan

LHR - PUS

LHRPUS

London Heathrow

Fri 6/2

09:00-15:10

2 stops21h 10m

Busan Gimhae

Fri 6/3

16:10-07:40

2 stops24h 30m

£651

Flights are sorted by cheapest return flights first.

Deals found on 5/12

Showing 1-10 of 47 results
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Best time to book a flight from London to Busan

Have a flexible travel schedule? Discover the best time to fly to Busan from London 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 London to Busan

How far ahead should I book a flight from London to Busan?

Use this chart to determine the optimal time to book a return flight from London to Busan. Price data was last updated on 28 November 2025.

The price you pay for your flight from London to Busan may vary depending on when you book. For the best chance of a lower fare, look to book 67 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from London to Busan?

Currently, November is the cheapest month in which you can book a flight from London to Busan (average of £334). Flying from London to Busan in August is currently the most expensive (average of £813). 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.

How much does it cost for a return flight from London to Busan?

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

Share of one-stop return flights from London to Busan chosen by Cheapflights users in the past 12 months, using the same stopover each way.

Shanghai (PVG) – chosen by Cheapflights users on 38% of one-stop itineraries from London to Busan on Cheapflights.

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

Average return fare for one-stop flights from London to Busan, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

Shanghai (PVG) is the most affordable one-stop option, with an average return flight price of £514.

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

Shortest average travel time for one-stop one-way flights from London to Busan, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via Incheon (ICN) have the shortest average one-way travel time for one-stop routes: 14h 58m.

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

Average stopover duration for one-stop one-way flights from London to Busan, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Incheon (ICN) offer the fastest connection on this route, with an average stopover time of 1h 21m.

Reviews of airlines servicing Busan

Get insights into the airlines that provide service to Busan. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Busan. Reviews last updated 6 December 2025.
See what other customers who have flown with Korean Air, China Eastern, andAir China from London to Busan have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.5

Crew

8.7

Overall

8.4

Comfort

8.3

Entertainment

8.2

Food

8.1

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.

Boarding

8.5

Crew

8.7

Overall

8.4

Comfort

8.3

Entertainment

8.2

Food

8.1

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.

Boarding

8.5

Crew

8.7

Overall

8.4

Comfort

8.3

Entertainment

8.2

Food

8.1

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.

Boarding

8.5

Crew

8.7

Overall

8.4

Comfort

8.3

Entertainment

8.2

Food

8.1

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

Find useful and relevant information for your journey from London to Busan. 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 into for flights to Busan from London?

    Busan Gimhae (PUS), located 7.2 mi from the city center, is the airport you fly into when you book flights from London to Busan. 3 airlines have flights to Gimhae from London on a regular basis. Booking flights from London to Busan Gimhae should not be difficult; the airport handles an average of 0 inbound flights from London per day.

  • How long is the flight from London to Busan?

    A quick flight from London to Busan can take about 18h 40m. Air China provides one of the quickest options available for as low as £747. There are 5693 mi between London and Busan. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from London to Busan round-trip?

    According to our current data, China Eastern (£337), Air China (£444), and Korean Air (£775) offers the cheapest pricing from London to Busan. China Eastern is priced at 47% lower than the current average price of a flight leaving 3 months from now.

  • What are the most popular routes from London to Busan?

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

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

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

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

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

    Yes. Cheapflights offers flight deals from London 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.

  • What is the cheapest month to book a flight from London to Busan?

    Currently, November is the cheapest month in which you can book a flight from London to Busan (average of £334). Flying from London to Busan in August is currently the most expensive (average of £813). 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

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Top 3 airlines flying from London to Busan

Discover the top 3 airlines that operate flights from London to Busan. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 6 December 2025.
AirlineCheapestAverageFlexibilityOn-time
China EasternCheapest£337Average£470FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Air ChinaCheapest£444Average£588FlexibilityNo cancel feeOn-time67%
Search Air China flights
Korean AirCheapest£775Average£941FlexibilityNo cancel feeOn-time81%
Search Korean Air flights

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Need flexible booking options for your flight to Busan from London? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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