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$372+ 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 7/8. Fares are subject to change and may not be available on all flights or dates of travel.
PUS — LON
Jul 14 — Jul 211
Tue 7/14
Tue 7/21
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 14, 2026.

This FlightHub deal was found by Cheapflights users on 6/12. 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 7/1712:35 pm
PUS
-
LHR
1 stop38h 05m
China Eastern
Sat 8/89:20 pm
LHR
-
PUS
1 stop30h 15m
China Eastern
Deal found 6/12$921
This KLM deal was found by Cheapflights users on 6/11. 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.
Thu 6/258:00 am
PUS
-
LHR
2 stops20h 55m
KLM
Wed 7/82:45 pm
LHR
-
PUS
2 stops22h 00m
KLM
Deal found 6/11$1,001
This KLM deal was found by Cheapflights users on 6/13. 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.
Tue 6/238:00 am
PUS
-
LHR
2 stops20h 55m
KLM
Thu 7/165:10 pm
LHR
-
PUS
2 stops19h 35m
KLM
Deal found 6/13$1,092
This Justfly.com deal was found by Cheapflights users on 6/10. 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 6/135:50 pm
PUS
-
LHR
1 stop32h 50m
China Eastern
Fri 6/199:20 pm
LHR
-
PUS
1 stop35h 30m
China Eastern
Deal found 6/10$1,109
This KLM deal was found by Cheapflights users on 6/9. 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.
Wed 6/178:00 am
PUS
-
LHR
2 stops31h 40m
KLM
Wed 6/2411:45 am
LHR
-
PUS
2 stops25h 00m
KLM
Deal found 6/9$1,121
This Justfly.com deal was found by Cheapflights users on 6/12. 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 6/135:50 pm
PUS
-
LHR
1 stop32h 50m
Multiple Airlines
Fri 6/199:20 pm
LHR
-
PUS
1 stop35h 30m
Multiple Airlines
Deal found 6/12$1,129
This KLM deal was found by Cheapflights users on 6/12. 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.
Thu 6/258:00 am
PUS
-
LHR
2 stops20h 55m
KLM
Mon 6/295:10 pm
LHR
-
PUS
2 stops19h 35m
KLM
Deal found 6/12$1,134
This KLM deal was found by Cheapflights users on 6/14. 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.
Tue 10/134:30 pm
PUS
-
LHR
2 stops24h 30m
KLM
Tue 10/275:05 pm
LHR
-
PUS
2 stops18h 40m
KLM
Deal found 6/14$1,135
This KLM deal was found by Cheapflights users on 6/14. 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.
Wed 9/94:30 pm
PUS
-
LHR
2 stops23h 10m
KLM
Wed 9/1611:45 am
LHR
-
PUS
2 stops23h 50m
KLM
Deal found 6/14$1,161
This Justfly.com deal was found by Cheapflights users on 6/10. 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
Sat 8/159:20 pm
LHR
-
PUS
1 stop35h 30m
China Eastern
Deal found 6/10$1,173

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 14, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$921
(FlightHub)

One-way from

$372
(China Eastern)

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. 18% potential increase in price ($146 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 14, 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 9/19

7:40 am-7:30 pm

1 stop43h 50m

London Heathrow

Sat 1/23

10:40 am-6:45 am

1 stop35h 05m

$1,316
Quickest round-trip

BusanLondon

PUS - LHR

PUSLHR

Busan Gimhae

Fri 7/3

8:00 am-8:55 pm

2 stops20h 55m

London Heathrow

Thu 7/16

5:10 pm-8:45 pm

2 stops19h 35m

$1,319

BusanLondon

PUS - LHR

PUSLHR

Busan Gimhae

Wed 7/1

8:00 am-7:40 am

2 stops31h 40m

London Heathrow

Sun 7/19

11:45 am-7:35 pm

2 stops23h 50m

$1,338

BusanLondon

PUS - LHR

PUSLHR

Busan Gimhae

Wed 9/23

8:15 am-8:00 am

1 stop31h 45m

London Heathrow

Mon 9/28

8:35 pm-6:50 am

1 stop26h 15m

$1,340

BusanLondon

PUS - LHR

PUSLHR

Busan Gimhae

Tue 9/8

8:00 am-7:40 am

2 stops31h 40m

London Heathrow

Wed 9/30

8:55 am-6:20 pm

2 stops25h 25m

$1,354

BusanLondon

PUS - LHR

PUSLHR

Busan Gimhae

Thu 10/1

7:40 am-5:55 am

1 stop30h 15m

London Heathrow

Fri 10/9

10:05 pm-6:50 am

1 stop48h 45m

$1,393

BusanLondon

PUS - LHR

PUSLHR

Busan Gimhae

Fri 7/3

8:00 am-7:40 am

2 stops31h 40m

London Heathrow

Fri 7/10

5:10 pm-8:45 pm

2 stops19h 35m

$1,410

BusanLondon

PUS - LHR

PUSLHR

Busan Gimhae

Thu 9/17

7:40 am-3:45 pm

1 stop40h 05m

London Heathrow

Fri 3/19

10:40 am-6:45 am

1 stop35h 05m

$1,451

BusanLondon

PUS - LHR

PUSLHR

Busan Gimhae

Fri 7/24

8:00 am-8:55 pm

2 stops20h 55m

London Heathrow

Sat 8/15

5:10 pm-8:45 pm

2 stops19h 35m

$1,472

BusanLondon

PUS - LHR

PUSLHR

Busan Gimhae

Fri 7/24

8:00 am-8:55 pm

2 stops20h 55m

London Heathrow

Mon 7/27

5:10 pm-8:45 pm

2 stops19h 35m

$1,484

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

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 14, 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
223 reviews

Crew

7.9

Overall

7.3

Entertainment

6.3

Comfort

7.3

Food

7.0

Boarding

7.7

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
223 reviews
China Eastern
7.3
Good
223 reviews

Crew

7.9

Overall

7.3

Entertainment

6.3

Comfort

7.3

Food

7.0

Boarding

7.7

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 20h 55m. China Eastern provides one of the quickest options available for as low as $1,001. 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?

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