How long is the flight from Seoul to London?

Air China, China Eastern, and Scandinavian Airlines can get you from Seoul to London in just under 23h 50m. Your travel time can differ by up to 10h 40m. The distance between Seoul and London is about 5503 mi. This flight may include one or multiple stops.

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

Cheapflights users have booked flights from Seoul to London round-trip from £348. Other airlines that can offer you cheap pricing are Asiana Airlines, from £637, and Korean Air, from £661. China Eastern is priced at 38% lower than the current average price of a flight leaving 3 months from now.

What are the cheapest airlines to fly from Seoul to London one-way?

To fly one-way, consider booking your trip with China Eastern, which is currently one of the cheapest options available, starting at £214. Vietnam Airlines flights start at £272 while deals on Air China start at £279 one-way.

In terms of precipitation, rainfall in London ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London when rainfall is around 40.0 mm.

If weather is an important factor for your trip to London, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

What are the most popular routes from Seoul to London?

The most popular flight routes from Seoul to London are Incheon Intl - London Heathrow, Incheon Intl - London Gatwick and Incheon Intl - London City.

What are the cheapest flights from Seoul to London?

Looking for the cheapest flight from Seoul to London? While on average our users pay £775, our data indicates the cheapest price to be £381. The most popular route (Incheon Intl - London Heathrow), is priced around £414.

What are the most reliable airlines from Seoul to London?

The top 3 most reliable airlines when flying from Seoul to London are Virgin Atlantic (69%), Korean Air (62%) and Asiana Airlines (42%).

What are the most popular airlines that fly from Seoul to London?

When booking a flight from Seoul to London, you may want to consider flying on Korean Air, China Eastern or Asiana Airlines as they are the most popular for this route.

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

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

How can I find direct flights from Seoul to London?

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

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

Yes. Cheapflights offers flight deals from Seoul 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.

£210+ Flights from Seoul to London

Cheapflights Tip: The best prices from Seoul to London are usually found in December or November, booked 24 days in advance, depart on a Thursday or Monday and return on a Tuesday

Cheap flight deals from Seoul to London

Round-trip from	£445
One-way from	£210
Popular in	April
Cheapest in	December
Average price	£675
Good round-trip deal	£630 or less
Good one-way deal	£388 or less

China Southern
16/12-3/1
2 total stops
67h 05m total
Seoul to London

Search Deals

10/11
2 total stops
32h 10m total
Seoul to London

Search Deals

Highest demand for flights based on searches. 1% potential increase in price (£7 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£12 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2025

Search Deals

Price to beat on a round-trip flight from Seoul (SEL) to London (LON).

Search Deals

Price to beat on a one-way flight from Seoul (SEL) to London (LON).

Search Deals

Find flight deals from Seoul to London

Cheapest flights from Seoul to London
Explore the most affordable flight options available from Seoul to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 September 2025.

Tue 16/1213:45GMP - LHR

1 stop37h 10mChina Southern

Sat 3/121:30LHR - GMP

1 stop29h 55mChina Southern

Deal found 15/9£445

Thu 23/1014:25GMP - LHR

1 stop14h 05mAir China

Thu 30/1017:40LHR - GMP

1 stop34h 25mAir China

Deal found 16/9£446

Mon 3/1113:45GMP - LHR

1 stop37h 10mChina Southern

Sun 16/1121:30LHR - GMP

1 stop29h 55mChina Southern

Deal found 15/9£447

Thu 25/1214:25GMP - LHR

1 stop34h 30mAir China

Sun 4/117:40LHR - GMP

1 stop34h 25mAir China

Deal found 16/9£449

Sat 15/1114:25GMP - LHR

1 stop36h 25mMultiple Airlines

Wed 19/1121:00LHR - GMP

1 stop29h 00mMultiple Airlines

Deal found 16/9£450

Fri 19/1214:25GMP - LHR

1 stop34h 30mAir China

Thu 1/117:40LHR - GMP

1 stop34h 25mAir China

Deal found 16/9£452

Thu 18/1213:45GMP - LHR

1 stop37h 10mChina Southern

Sun 28/1221:30LHR - GMP

1 stop29h 55mChina Southern

Deal found 15/9£455

Tue 16/1214:25GMP - LGW

1 stop24h 10mAir China

Fri 2/111:35LGW - GMP

1 stop16h 30mAir China

Deal found 16/9£456

Sat 11/1020:50GMP - LHR

1 stop29h 50mChina Eastern

Mon 27/1021:00LHR - GMP

1 stop29h 00mChina Eastern

Deal found 16/9£460

Thu 18/1214:25GMP - LGW

1 stop24h 10mAir China

Wed 31/1211:35LGW - GMP

1 stop16h 30mAir China

Deal found 16/9£463

Sat 15/1114:25GMP - LHR

1 stop36h 25mMultiple Airlines

Sat 22/1121:30LHR - GMP

1 stop29h 55mMultiple Airlines

Deal found 15/9£463

Thu 18/1214:25GMP - LGW

1 stop24h 10mAir China

Wed 24/1211:35LGW - GMP

1 stop16h 30mAir China

Deal found 16/9£466

Best flights from Seoul to London
Discover carefully curated flight deals from Seoul to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 17 September 2025.

Fri 19/1214:25GMP - LHR

1 stop34h 30mAir China

Thu 1/117:40LHR - GMP

1 stop34h 25mAir China

Deal found 16/9£452

Sat 11/1020:50GMP - LHR

1 stop29h 50mChina Eastern

Mon 27/1021:00LHR - GMP

1 stop29h 00mChina Eastern

Deal found 16/9£460

Fri 19/1213:45GMP - LHR

1 stop37h 10mMultiple Airlines

Thu 1/117:40LHR - GMP

1 stop34h 25mMultiple Airlines

Deal found 15/9£513

Mon 27/1023:45ICN - LHR

2 stops23h 50mScandinavian Airlines

Sat 8/1115:35LHR - ICN

2 stops42h 25mScandinavian Airlines

Deal found 16/9£517

Wed 14/113:30ICN - LHR

1 stop16h 30mLufthansa

Fri 23/106:35LHR - ICN

2 stops19h 15mLufthansa

Deal found 15/9£520

Tue 21/1021:50ICN - LHR

1 stop32h 20mFinnair

Thu 5/318:10LHR - ICN

1 stop33h 15mFinnair

Deal found 16/9£543

Tue 10/212:25ICN - LHR

Nonstop14h 40mAsiana Airlines

Wed 11/320:10LHR - ICN

Nonstop12h 35mAsiana Airlines

Deal found 15/9£548

Thu 6/1123:40ICN - STN

1 stop21h 25mEmirates

Thu 20/1114:05STN - ICN

1 stop19h 05mEmirates

Deal found 14/9£550

Tue 23/1223:05ICN - LCY

1 stop17h 10mKLM

Mon 19/117:05LCY - ICN

1 stop14h 50mKLM

Deal found 14/9£550

Fri 19/1213:45GMP - LHR

1 stop37h 10mChina Southern

Thu 1/121:30LHR - GMP

1 stop29h 55mChina Southern

Deal found 16/9£611

Tue 16/1214:25GMP - LGW

1 stop24h 10mAir China

Fri 2/111:35LGW - GMP

1 stop16h 30mAir China

Deal found 16/9£456

Thu 16/1013:10ICN - LGW

2 stops34h 00mChina Eastern

Wed 22/1011:35LGW - ICN

1 stop19h 15mChina Eastern

Deal found 16/9£509

Thu 18/1214:25GMP - LGW

1 stop24h 10mAir China

Sun 4/111:35LGW - GMP

1 stop16h 30mAir China

Deal found 16/9£463

Wed 14/113:05ICN - LHR

2 stops28h 00mLufthansa

Fri 30/108:45LHR - ICN

1 stop17h 30mLufthansa

Deal found 15/9£524

Tue 11/1113:25ICN - LTN

2 stops27h 15mMultiple Airlines

Fri 14/1121:45LTN - ICN

2 stops24h 25mMultiple Airlines

Deal found 15/9£536

Tue 11/1123:40ICN - STN

1 stop21h 25mEmirates

Mon 17/1120:15STN - ICN

1 stop36h 55mEmirates

Deal found 15/9£550

Mon 26/112:25ICN - LHR

Nonstop14h 40mAsiana Airlines

Wed 11/220:10LHR - ICN

Nonstop12h 35mAsiana Airlines

Deal found 16/9£551

Tue 23/1223:05ICN - LCY

1 stop18h 05mKLM

Wed 7/117:50LCY - ICN

1 stop14h 05mKLM

Deal found 15/9£555

Thu 18/1214:25GMP - LGW

1 stop24h 10mAir China

Wed 24/1211:35LGW - GMP

1 stop16h 30mAir China

Deal found 16/9£466

Mon 19/123:45ICN - LHR

1 stop18h 35mScandinavian Airlines

Sun 15/215:35LHR - ICN

2 stops18h 25mScandinavian Airlines

Deal found 16/9£576

Mon 13/1008:10GMP - LGW

2 stops30h 20mMultiple Airlines

Tue 21/1009:00LGW - GMP

2 stops20h 05mMultiple Airlines

Deal found 16/9£539

Thu 6/1123:40ICN - STN

1 stop21h 25mEmirates

Wed 12/1120:15STN - ICN

1 stop36h 55mEmirates

Deal found 15/9£550

Tue 23/1213:05ICN - LHR

1 stop18h 15mLufthansa

Wed 7/107:40LHR - ICN

2 stops18h 10mLufthansa

Deal found 15/9£554

Fri 19/1213:45GMP - LHR

1 stop37h 10mChina Southern

Fri 2/121:30LHR - GMP

1 stop29h 55mChina Southern

Deal found 15/9£616

Sat 15/1120:50GMP - LGW

1 stop18h 40mChina Eastern

Wed 19/1110:30LGW - GMP

1 stop24h 20mChina Eastern

Deal found 16/9£562

Tue 24/223:05ICN - LCY

1 stop18h 05mKLM

Thu 5/317:50LCY - ICN

1 stop14h 05mKLM

Deal found 15/9£570

Wed 17/1214:25GMP - LGW

2 stops25h 30mAir China

Wed 31/1211:35LGW - GMP

1 stop16h 30mAir China

Deal found 15/9£502

Fri 7/1111:30ICN - LTN

1 stop19h 50mMultiple Airlines

Sat 15/1114:00LTN - ICN

2 stops37h 05mMultiple Airlines

Deal found 15/9£554

Mon 29/1213:30ICN - LHR

2 stops27h 15mLufthansa

Mon 5/107:40LHR - ICN

2 stops18h 10mLufthansa

Deal found 14/9£554

Thu 25/1223:40ICN - LGW

1 stop27h 45mEmirates

Mon 19/120:25LGW - ICN

1 stop36h 45mEmirates

Deal found 14/9£555

Direct flights from Seoul to London
Explore direct flight options from Seoul to London based on user searches, and compare prices and availability for your desired travel dates. Data last updated 17 September 2025.

Tue 21/1012:20ICN - LHR

Nonstop14h 30mAsiana Airlines

Mon 3/1120:10LHR - ICN

Nonstop12h 35mAsiana Airlines

Deal found 15/9£507

Sun 26/1012:25ICN - LHR

Nonstop14h 40mAsiana Airlines

Tue 28/1020:10LHR - ICN

Nonstop12h 35mAsiana Airlines

Deal found 16/9£507

Fri 24/1012:20ICN - LHR

Nonstop14h 30mAsiana Airlines

Thu 30/1020:10LHR - ICN

Nonstop12h 35mAsiana Airlines

Deal found 16/9£508

Mon 20/1012:20ICN - LHR

Nonstop14h 30mAsiana Airlines

Fri 31/1020:10LHR - ICN

Nonstop12h 35mAsiana Airlines

Deal found 16/9£509

Wed 22/1012:20ICN - LHR

Nonstop14h 30mAsiana Airlines

Thu 30/1020:10LHR - ICN

Nonstop12h 35mAsiana Airlines

Deal found 15/9£510

Fri 14/1112:25ICN - LHR

Nonstop14h 40mAsiana Airlines

Tue 18/1120:10LHR - ICN

Nonstop12h 35mAsiana Airlines

Deal found 14/9£510

Wed 5/1112:25ICN - LHR

Nonstop14h 40mAsiana Airlines

Fri 7/1120:10LHR - ICN

Nonstop12h 35mAsiana Airlines

Deal found 14/9£513

Wed 24/1212:25ICN - LHR

Nonstop14h 40mAsiana Airlines

Tue 30/1220:10LHR - ICN

Nonstop12h 35mAsiana Airlines

Deal found 15/9£514

Wed 15/1012:20ICN - LHR

Nonstop14h 30mAsiana Airlines

Tue 21/1020:40LHR - ICN

Nonstop12h 50mAsiana Airlines

Deal found 15/9£515

Mon 15/1212:25ICN - LHR

Nonstop14h 40mAsiana Airlines

Tue 30/1220:10LHR - ICN

Nonstop12h 35mAsiana Airlines

Deal found 16/9£522

Sat 15/1112:25ICN - LHR

Nonstop14h 40mAsiana Airlines

Sat 22/1120:10LHR - ICN

Nonstop12h 35mAsiana Airlines

Deal found 15/9£526

Tue 18/1112:25ICN - LHR

Nonstop14h 40mAsiana Airlines

Sat 22/1120:10LHR - ICN

Nonstop12h 35mAsiana Airlines

Deal found 14/9£527

Last-minute flights from Seoul to London
Discover last-minute flight deals from Seoul to London. Data last updated 17 September 2025 and is based on user searches.

Sat 11/1020:50GMP - LHR

1 stop29h 50mChina Eastern

Mon 27/1021:00LHR - GMP

1 stop29h 00mChina Eastern

Deal found 16/9£460

Mon 13/1012:45GMP - LGW

2 stops25h 45mMultiple Airlines

Mon 20/1011:35LGW - GMP

2 stops22h 30mMultiple Airlines

Deal found 15/9£502

Mon 13/1014:25GMP - LGW

1 stop24h 10mAir China

Tue 21/1012:35LGW - GMP

1 stop16h 30mAir China

Deal found 16/9£506

Mon 13/1017:50ICN - LGW

1 stop20h 45mMultiple Airlines

Mon 20/1021:50LGW - ICN

2 stops40h 35mMultiple Airlines

Deal found 15/9£508

Mon 13/1018:25ICN - LGW

1 stop20h 05mMultiple Airlines

Tue 21/1006:00LGW - ICN

2 stops28h 30mMultiple Airlines

Deal found 16/9£510

Mon 13/1013:05ICN - LGW

1 stop25h 30mAir China

Thu 16/1012:35LGW - ICN

1 stop20h 00mAir China

Deal found 14/9£510

Wed 15/1014:25GMP - LGW

1 stop24h 10mAir China

Tue 21/1012:35LGW - GMP

1 stop16h 30mAir China

Deal found 17/9£512

Thu 16/1013:10ICN - LGW

2 stops34h 00mChina Eastern

Wed 22/1011:35LGW - ICN

1 stop19h 15mChina Eastern

Deal found 16/9£509

Sun 19/1013:05ICN - LGW

1 stop25h 30mAir China

Fri 24/1012:35LGW - ICN

1 stop20h 00mAir China

Deal found 15/9£513

Thu 23/1014:25GMP - LHR

1 stop14h 05mAir China

Thu 30/1017:40LHR - GMP

1 stop34h 25mAir China

Deal found 16/9£446

Fri 24/1010:40ICN - LTN

2 stops19h 30mMultiple Airlines

Sat 1/1109:25LTN - ICN

2 stops27h 30mMultiple Airlines

Deal found 16/9£507

Mon 27/1016:20ICN - LGW

1 stop23h 10mMultiple Airlines

Sat 8/1107:00LGW - ICN

2 stops19h 40mMultiple Airlines

Deal found 16/9£512

One-way flights from Seoul to London
Search for one-way flight options from Seoul to London. Find affordable one-way fares based on user searches. Data last updated 17 September 2025.

Mon 10/1107:20GMP - LGW

2 stops32h 10mMultiple Airlines

Deal found 16/9£210

Fri 14/1107:20GMP - LGW

2 stops32h 10mMultiple Airlines

Deal found 14/9£212

Mon 29/920:50GMP - LGW

1 stop26h 10mChina Eastern

Deal found 15/9£214

Mon 29/920:50GMP - LHR

1 stop29h 50mChina Eastern

Deal found 15/9£214

Mon 10/1120:00GMP - LHR

2 stops54h 30mMultiple Airlines

Deal found 16/9£215

Mon 19/113:45GMP - LGW

2 stops34h 45mMultiple Airlines

Deal found 15/9£221

Mon 1/1214:05GMP - LGW

2 stops25h 25mMultiple Airlines

Deal found 16/9£229

Thu 30/1012:00GMP - LGW

1 stop27h 30mChina Eastern

Deal found 16/9£230

Mon 10/1112:00GMP - LGW

1 stop27h 30mChina Eastern

Deal found 16/9£233

Wed 8/1011:00ICN - LHR

1 stop37h 35mMalaysia Airlines

Deal found 16/9£235

Fri 5/1211:30ICN - STN

1 stop22h 10mMultiple Airlines

Deal found 16/9£235

Sun 16/1108:55ICN - LGW

1 stop30h 35mChina Eastern

Deal found 17/9£235

Fly from

Fly to

Route

Depart

Return

Price

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

Fri 19/12

14:25-15:55

1 stop34h 30m

London Heathrow

Thu 1/1

17:40-13:05

1 stop34h 25m

£452

SeoulLondon

GMP - LGW

GMPLGW

Seoul Gimpo Intl

Tue 16/12

14:25-05:35

1 stop24h 10m

London Gatwick

Fri 2/1

11:35-13:05

1 stop16h 30m

£456

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

Sat 11/10

20:50-18:40

1 stop29h 50m

London Heathrow

Mon 27/10

21:00-11:00

1 stop29h 00m

£460

SeoulLondon

GMP - LGW

GMPLGW

Seoul Gimpo Intl

Thu 18/12

14:25-05:35

1 stop24h 10m

London Gatwick

Sun 4/1

11:35-13:05

1 stop16h 30m

£463

SeoulLondon

GMP - LGW

GMPLGW

Seoul Gimpo Intl

Thu 18/12

14:25-05:35

1 stop24h 10m

London Gatwick

Wed 24/12

11:35-13:05

1 stop16h 30m

£466

SeoulLondon

GMP - LGW

GMPLGW

Seoul Gimpo Intl

Wed 17/12

14:25-06:55

2 stops25h 30m

London Gatwick

Wed 31/12

11:35-13:05

1 stop16h 30m

£502

IncheonLondon

ICN - LGW

ICNLGW

Incheon Intl

Thu 16/10

13:10-15:10

2 stops34h 00m

London Gatwick

Wed 22/10

11:35-14:50

1 stop19h 15m

£509

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

Fri 19/12

13:45-17:55

1 stop37h 10m

London Heathrow

Thu 1/1

17:40-13:05

1 stop34h 25m

£513

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Mon 27/10

23:45-14:35

2 stops23h 50m

London Heathrow

Sat 8/11

15:35-19:00

2 stops42h 25m

£517

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Wed 14/1

13:30-21:00

1 stop16h 30m

London Heathrow

Fri 23/1

06:35-10:50

2 stops19h 15m

£520

Flights are sorted by cheapest return flights first.

Deals found on 16/9

Showing 1-10 of 60 results

...

Best time to book a flight from Seoul to London

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

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

The price you pay for your flight from Seoul to London may vary depending on when you book. For the best chance of a lower fare, look to book 24 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 Seoul to London?

Currently, January is the cheapest month in which you can book a flight from Seoul to London (average of £112). Flying from Seoul to London in August is currently the most expensive (average of £164). 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.

What is the cheapest time of day to fly from SEL to LON?

One of the essential ways to save on airfare from Seoul to London is to remain as flexible as possible. Flights that are at midday tend to be the most expensive. A flight in the evening could potentially save you up to 35% on airfare.

What is the cheapest day to fly from Seoul to London?

Travellers seeking maximum savings on their Seoul to London flight should consider departing on Thursday afternoons when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Seoul to London

The most flights from SEL to LON are scheduled on a Monday (3 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 on average).

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

Shanghai (PVG) – chosen by Cheapflights users on 31% of one-stop itineraries from Seoul to London on Cheapflights.

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

Zhengzhou (CGO) is the most affordable one-stop option, with an average return flight price of £364.

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

Flights via Beijing (PEK) have the shortest average one-way travel time for one-stop routes: 14h 05m.

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

Flights via Abu Dhabi (AUH) offer the fastest connection on this route, with an average stopover time of 1h 15m.

Reviews of airlines servicing London

Check out reviews from past customers who have flown with Asiana Airlines, China Southern, andAir China from Seoul to London to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Asiana Airlines

8.2

Very Good

480 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Yony,Sept 2025

MNL - ICN

Clean airplanes, crew very helpful and plane was on time. I did not like the food choices.

Asiana Airlines

8.2

Very Good

480 reviews

Asiana Airlines

8.2

Very Good

480 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Yony,Sept 2025

MNL - ICN

Clean airplanes, crew very helpful and plane was on time. I did not like the food choices.

China Southern

7.5

Good

110 reviews

Asiana Airlines

8.2

Very Good

480 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Yony,Sept 2025

MNL - ICN

Clean airplanes, crew very helpful and plane was on time. I did not like the food choices.

Air China

7.3

Good

101 reviews

Asiana Airlines

8.2

Very Good

480 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Yony,Sept 2025

MNL - ICN

Clean airplanes, crew very helpful and plane was on time. I did not like the food choices.

China Eastern

7.2

Good

166 reviews

Asiana Airlines

8.2

Very Good

480 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Yony,Sept 2025

MNL - ICN

Clean airplanes, crew very helpful and plane was on time. I did not like the food choices.

Lufthansa

6.8

Okay

7,407 reviews

Asiana Airlines

8.2

Very Good

480 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Yony,Sept 2025

MNL - ICN

Clean airplanes, crew very helpful and plane was on time. I did not like the food choices.

Related info for your journey

How long is the flight from Seoul to London?
Air China, China Eastern, and Scandinavian Airlines can get you from Seoul to London in just under 23h 50m. Your travel time can differ by up to 10h 40m. The distance between Seoul and London is about 5503 mi. This flight may include one or multiple stops.
What are the cheapest airlines flying from Seoul to London round-trip?
Cheapflights users have booked flights from Seoul to London round-trip from £348. Other airlines that can offer you cheap pricing are Asiana Airlines, from £637, and Korean Air, from £661. China Eastern is priced at 38% lower than the current average price of a flight leaving 3 months from now.
What are the cheapest airlines to fly from Seoul to London one-way?
To fly one-way, consider booking your trip with China Eastern, which is currently one of the cheapest options available, starting at £214. Vietnam Airlines flights start at £272 while deals on Air China start at £279 one-way.
What are the most popular routes from Seoul to London?
The most popular flight routes from Seoul to London are Incheon Intl - London Heathrow, Incheon Intl - London Gatwick and Incheon Intl - London City.
What are the most reliable airlines from Seoul to London?
The top 3 most reliable airlines when flying from Seoul to London are Virgin Atlantic (69%), Korean Air (62%) and Asiana Airlines (42%).
What are the cheapest flights from Seoul to London?
Looking for the cheapest flight from Seoul to London? While on average our users pay £775, our data indicates the cheapest price to be £381. The most popular route (Incheon Intl - London Heathrow), is priced around £414.
Can I find deals for flights from Seoul to London that include hotel bookings?
Yes. In addition to deals on Seoul to London flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Seoul to London?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seoul to London.
Can I find deals for business class flights from Seoul to London?
Yes. Cheapflights offers flight deals from Seoul 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 Seoul to London?
Currently, January is the cheapest month in which you can book a flight from Seoul to London (average of £112). Flying from Seoul to London in August is currently the most expensive (average of £164). 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.

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Deal

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Hayes

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Bishop's Stortford

Romford

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Top 3 airlines flying from Seoul to London

Airline	Cheapest	Average	Flexibility	On-time
China Eastern	Cheapest£348	Average£676	FlexibilityNo cancel fee	On-time62%	Search China Eastern flights
Asiana Airlines	Cheapest£637	Average£735	FlexibilityNo cancel fee	On-time76%	Search Asiana Airlines flights
Korean Air	Cheapest£661	Average£833	FlexibilityNo cancel fee	On-time81%	Search Korean Air flights

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How does Cheapflights help users find flights from Seoul to London?

When you search for this flight from Seoul to London, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Seoul to London?

Millions of users choose and trust Cheapflights to book the best flight deals from Seoul to London for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Seoul to London with no change fees?

Certainly. Search results for flights to London from Seoul shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Seoul to London become cheaper?

Of course! You can now track prices for flights from Seoul to London and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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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.

Cheap flights from Seoul to London from £210

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 10/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from Seoul to London are usually found in December or November, booked 24 days in advance, depart on a Thursday or Monday and return on a Tuesday

Cheap flight deals from Seoul to London

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One-way from

Popular in

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Average price

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Good one-way deal

Find flight deals from Seoul to London

Cheapest flights from Seoul to LondonExplore the most affordable flight options available from Seoul to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 September 2025.

Explore the most affordable flight options available from Seoul to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 September 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Seoul to London

Have a flexible travel schedule? Discover the best time to fly to London from Seoul with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Seoul to London

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

Use this chart to determine the optimal time to book a return flight from Seoul to London. Price data was last updated on 12 September 2025.

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

What is the cheapest time of day to fly from SEL to LON?

Find hourly flight availability from Seoul to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 17 September 2025.

What is the cheapest day to fly from Seoul to London?

Use this chart to determine the cheapest time to fly return from Seoul to London. Price data was last updated on 16 December 2024.

Weekly flight availability from Seoul to London

Explore weekly flight availability from Seoul to London. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 17 September 2025.

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

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

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

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

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

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

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

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

Reviews of airlines servicing London

Check out reviews from past customers who have flown with Asiana Airlines, China Southern, andAir China from Seoul to London to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Seoul to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

How long is the flight from Seoul to London?

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

What are the cheapest airlines to fly from Seoul to London one-way?

What are the most popular routes from Seoul to London?

What are the most reliable airlines from Seoul to London?

What are the cheapest flights from Seoul to London?

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

How can I find direct flights from Seoul to London?

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

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

Travelling to a place near London?

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Alternative routes for Seoul to London

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from Seoul to London

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Seoul to London?

Why should you use Cheapflights to find cheap flight tickets from Seoul to London?

Can Cheapflights find flights from Seoul to London with no change fees?

Can Cheapflights notify me if prices for flights from Seoul to London become cheaper?

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Cheapest flights from Seoul to London
Explore the most affordable flight options available from Seoul to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 September 2025.