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$209+ Cheap flights from Busan (PUS) to London (LON)

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 6/3. Fares are subject to change and may not be available on all flights or dates of travel.
PUS — LON
May 30 — Jun 61
Sat 5/30
Sat 6/6
1 adult, Economy
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Cheap flight deals from Busan to London

Cheapest flights from Busan to London
Explore the most affordable flight options available from Busan to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 30, 2026.

This China Eastern deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Eastern is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/1012:35 pm
PUS
-
LHR
1 stop38h 05m
China Eastern
Wed 6/179:20 pm
LHR
-
PUS
1 stop30h 15m
China Eastern
Deal found 4/25$611
This Justfly.com deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/205:50 pm
PUS
-
LHR
1 stop32h 50m
China Eastern
Sun 9/209:20 pm
LHR
-
PUS
1 stop35h 30m
China Eastern
Deal found 4/29$819
This FlightHub deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/2012:35 pm
PUS
-
LHR
1 stop38h 05m
Multiple Airlines
Sun 9/209:20 pm
LHR
-
PUS
1 stop35h 30m
Multiple Airlines
Deal found 4/30$873
This Air China deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air China is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1712:45 pm
PUS
-
LHR
1 stop36h 55m
Air China
Sat 8/88:25 pm
LHR
-
PUS
1 stop31h 20m
Air China
Deal found 4/28$1,014
This KLM deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/118:00 am
PUS
-
LHR
2 stops31h 40m
KLM
Fri 5/152:45 pm
LHR
-
PUS
2 stops22h 00m
KLM
Deal found 4/25$1,038
This FlightHub deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/2412:35 pm
PUS
-
LHR
1 stop38h 05m
Multiple Airlines
Sat 8/159:20 pm
LHR
-
PUS
1 stop35h 30m
Multiple Airlines
Deal found 4/28$1,187
This Singapore Airlines deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/37:40 am
PUS
-
LHR
1 stop43h 50m
Singapore Airlines
Fri 10/99:25 am
LHR
-
PUS
1 stop37h 10m
Singapore Airlines
Deal found 4/27$1,196

Find flight deals from Busan to London

Discover tips and strategies to find the most affordable flight options for your journey from Busan (PUS) to London (LON). 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 April 30, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$611
(China Eastern)

One-way from

$209
(China Eastern)

Popular in

October

Cheapest in

March

Average price

$508
Provider with most accurate pricing for Busan Gimhae-London (LON) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Busan Gimhae-London (LON) flights.
Search Deals
From Busan Gimhae to London (LON)
Search Deals
One-way flight from Busan Gimhae to London (LON)
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($173 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($41 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Busan to London 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 2,558,603 searches. Data last updated April 30, 2026.
Use the filters below to find and compare flights from Busan to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BusanLondon

PUS - LHR

PUSLHR

Busan Gimhae

Sat 10/3

7:40 am-7:30 pm

1 stop43h 50m

London Heathrow

Fri 10/9

9:25 am-6:35 am

1 stop37h 10m

$1,196

BusanLondon

PUS - LHR

PUSLHR

Busan Gimhae

Wed 9/23

5:50 pm-6:40 pm

1 stop32h 50m

London Heathrow

Mon 9/28

9:20 pm-11:35 am

1 stop30h 15m

$1,349

BusanLondon

PUS - LHR

PUSLHR

Busan Gimhae

Wed 9/23

8:15 am-8:00 am

1 stop31h 45m

London Heathrow

Mon 9/28

9:25 am-6:50 am

1 stop37h 25m

$1,374

BusanLondon

PUS - LHR

PUSLHR

Busan Gimhae

Wed 9/23

8:15 am-5:55 am

1 stop29h 40m

London Heathrow

Sun 9/27

8:35 pm-6:35 am

1 stop26h 00m

$1,375

BusanLondon

PUS - LHR

PUSLHR

Busan Gimhae

Sat 9/19

7:40 am-7:30 pm

1 stop43h 50m

London Heathrow

Fri 9/25

10:05 pm-6:50 am

1 stop48h 45m

$1,399

BusanLondon

PUS - LHR

PUSLHR

Busan Gimhae

Sat 6/20

11:00 am-5:50 pm

1 stop38h 50m

London Heathrow

Sun 9/20

7:30 am-7:05 am

2 stops39h 35m

$1,405

BusanLondon

PUS - LHR

PUSLHR

Busan Gimhae

Thu 7/23

8:00 am-7:40 am

2 stops31h 40m

London Heathrow

Thu 8/13

2:45 pm-8:45 pm

2 stops22h 00m

$1,497

BusanLondon

PUS - LHR

PUSLHR

Busan Gimhae

Tue 6/2

4:30 pm-1:50 pm

2 stops29h 20m

London Heathrow

Fri 6/5

2:45 pm-8:45 pm

2 stops22h 00m

$1,537
Quickest round-trip

BusanLondon

PUS - LHR

PUSLHR

Busan Gimhae

Fri 7/24

7:45 am-8:35 pm

1 stop20h 50m

London Heathrow

Sat 8/15

10:15 pm-7:45 am

2 stops25h 30m

$1,611
Cheapest one-way
Quickest one-way

BusanLondon

PUS - LHR

PUSLHR

Busan Gimhae

Wed 7/1

12:45 pm-8:25 pm

1 stop15h 40m

$421

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 15 resultsSorted by cheapest first
1
2
  • Most accurate provider: When it comes to deals on Busan-London flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Busan-London flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Busan-London flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Busan-London flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Busan-London flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Busan to London

Have a flexible travel schedule? Discover the best time to fly to London from Busan with our price prediction graph.
Estimated round-trip 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

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

Currently, May is the cheapest month in which you can book a flight from Busan to London (average of $232). Flying from Busan to London in October is currently the most expensive (average of $688). 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 to fly round-trip from Busan to London?

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. 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 London. Reviews last updated April 30, 2026.
Read through reviews of airlines operating flights from Busan to London, such as China Eastern. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
China Eastern
7.3
Good
209 reviews

Crew

7.8

Comfort

7.3

Entertainment

6.2

Boarding

7.6

Overall

7.3

Food

6.9

Reviews

1 / 7
10.0
Excellent

Anonymous,Feb 2026

LGW - PVG

Not much selection for westerners with regards to videos. But the upgrade was amazing. So gave 5 stars. Thank you.
China Eastern
7.3
Good
209 reviews
China Eastern
7.3
Good
209 reviews

Crew

7.8

Comfort

7.3

Entertainment

6.2

Boarding

7.6

Overall

7.3

Food

6.9

Reviews

1 / 7
10.0
Excellent

Anonymous,Feb 2026

LGW - PVG

Not much selection for westerners with regards to videos. But the upgrade was amazing. So gave 5 stars. Thank you.

Related info for your journey

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

    Busan Gimhae (PUS) is the airport you will fly out of if you book a flight from Busan to London. You should not have trouble finding flights to London from Gimhae; the airport handles an average of 0 outbound flights to London per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the Busan airport to London. It is only a 7.2 mi journey to Gimhae (PUS) from Busan’s city center.

  • How long is the flight from Busan to London?

    A quick flight from Busan to London can take about 43h 50m. Singapore Airlines provides one of the quickest options available for as low as $1,196. Airlines will cover a distance of 5709 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Busan to London 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?

    Currently, May is the cheapest month in which you can book a flight from Busan to London (average of $232). Flying from Busan to London in October is currently the most expensive (average of $688). 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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