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$358+ 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 7/23. Fares are subject to change and may not be available on all flights or dates of travel.
PUS — LON
Jul 27 — Aug 31
Mon 7/27
Mon 8/3
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 June 27, 2026.

This China Eastern deal was found by Cheapflights users on 6/27. 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 China Eastern is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/115:50 pm
PUS
-
LHR
1 stop32h 50m
China Eastern
Tue 8/189:20 pm
LHR
-
PUS
1 stop35h 30m
China Eastern
Deal found 6/27$711
This Kiwi.com deal was found by Cheapflights users on 6/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/135:50 pm
PUS
-
LHR
1 stop32h 50m
China Eastern
Sun 8/239:20 pm
LHR
-
PUS
1 stop30h 15m
China Eastern
Deal found 6/25$766
This China Eastern deal was found by Cheapflights users on 6/24. 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.
Fri 8/1412:35 pm
PUS
-
LHR
1 stop38h 05m
China Eastern
Mon 8/249:20 pm
LHR
-
PUS
1 stop30h 15m
China Eastern
Deal found 6/24$769
This FlightHub deal was found by Cheapflights users on 6/22. 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.
Thu 7/235:50 pm
PUS
-
LHR
1 stop32h 50m
China Eastern
Sun 7/269:20 pm
LHR
-
PUS
1 stop35h 30m
China Eastern
Deal found 6/22$802
This Justfly.com deal was found by Cheapflights users on 6/22. 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.
Fri 7/2412:35 pm
PUS
-
LHR
1 stop38h 05m
China Eastern
Sun 7/269:20 pm
LHR
-
PUS
1 stop35h 30m
China Eastern
Deal found 6/22$830
This Air China deal was found by Cheapflights users on 6/27. 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 Air China is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2412:45 pm
PUS
-
LHR
1 stop36h 10m
Air China
Sat 1/28:25 pm
LHR
-
PUS
1 stop30h 20m
Air China
Deal found 6/27$833
This KLM deal was found by Cheapflights users on 6/23. 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 7/64:30 pm
PUS
-
LHR
2 stops23h 10m
KLM
Tue 8/185:10 pm
LHR
-
PUS
2 stops19h 35m
KLM
Deal found 6/23$895
This FlightHub deal was found by Cheapflights users on 6/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/175:50 pm
PUS
-
LHR
1 stop32h 50m
Multiple Airlines
Sat 8/89:20 pm
LHR
-
PUS
1 stop30h 15m
Multiple Airlines
Deal found 6/27$896
This Singapore Airlines deal was found by Cheapflights users on 6/25. 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 Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/177:45 am
PUS
-
LHR
1 stop31h 10m
Singapore Airlines
Mon 11/239:45 pm
LHR
-
PUS
1 stop24h 00m
Singapore Airlines
Deal found 6/25$952

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 June 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$711
(China Eastern)

One-way from

$358
(FlightHub)

Popular in

October

Cheapest in

March

Average price

$516
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. 16% potential increase in price ($130 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($28 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 June 27, 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

Thu 7/23

5:50 pm-6:40 pm

1 stop32h 50m

London Heathrow

Sun 7/26

9:20 pm-4:50 pm

1 stop35h 30m

$802

BusanLondon

PUS - LHR

PUSLHR

Busan Gimhae

Fri 7/24

12:35 pm-6:40 pm

1 stop38h 05m

London Heathrow

Sun 7/26

9:20 pm-4:50 pm

1 stop35h 30m

$830

BusanLondon

PUS - LHR

PUSLHR

Busan Gimhae

Sat 7/18

12:35 pm-6:40 pm

1 stop38h 05m

London Heathrow

Sat 7/25

9:20 pm-11:35 am

1 stop30h 15m

$1,074

BusanLondon

PUS - LHR

PUSLHR

Busan Gimhae

Thu 7/9

8:00 am-7:40 am

2 stops31h 40m

London Heathrow

Tue 7/14

2:45 pm-8:45 pm

2 stops22h 00m

$1,078

BusanLondon

PUS - LHR

PUSLHR

Busan Gimhae

Thu 11/26

2:05 pm-5:20 pm

1 stop36h 15m

London Heathrow

Sun 11/29

10:05 pm-1:20 pm

1 stop30h 15m

$1,143

BusanLondon

PUS - LHR

PUSLHR

Busan Gimhae

Thu 7/23

9:30 am-7:00 am

2 stops29h 30m

London Heathrow

Sun 7/26

9:30 am-8:35 pm

2 stops27h 05m

$1,246

BusanLondon

PUS - LHR

PUSLHR

Busan Gimhae

Tue 7/14

8:00 am-8:55 pm

2 stops20h 55m

London Heathrow

Thu 8/6

2:45 pm-7:35 pm

2 stops20h 50m

$1,285

BusanLondon

PUS - LHR

PUSLHR

Busan Gimhae

Sun 10/25

9:00 pm-6:25 am

2 stops42h 25m

London Heathrow

Sun 11/1

2:15 pm-7:50 pm

2 stops44h 35m

$1,311

BusanLondon

PUS - LHR

PUSLHR

Busan Gimhae

Sat 11/28

10:35 am-7:15 am

1 stop29h 40m

London Heathrow

Sat 12/5

11:00 am-7:10 am

1 stop35h 10m

$1,323
Quickest round-trip

BusanLondon

PUS - LHR

PUSLHR

Busan Gimhae

Thu 8/13

8:00 am-8:55 pm

2 stops20h 55m

London Heathrow

Sun 8/16

5:10 pm-7:35 pm

2 stops18h 25m

$1,366

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/22

Showing 1-10 of 17 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 June 27, 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
226 reviews

Comfort

7.3

Crew

7.9

Boarding

7.7

Overall

7.3

Food

7.0

Entertainment

6.4

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
226 reviews
China Eastern
7.3
Good
226 reviews

Comfort

7.3

Crew

7.9

Boarding

7.7

Overall

7.3

Food

7.0

Entertainment

6.4

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 31h 10m. China Eastern provides one of the quickest options available for as low as $952. Airlines will cover a distance of 5709 mi. This flight may include one or multiple stops.

  • 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

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
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