Seoul (ICN) → London (LHR)

8,861 km
11h 35m flight
From $1170
London destination photo

About Seoul to London Flights

Discover the best flights from Seoul to London, covering 8,861 km in approximately 11h 35m. Seoul (ICN) to London (LHR) is one of the major long-haul routes connecting South Korea and United Kingdom. With 7 major airlines operating this route, travelers have plenty of options to choose from. Whether you're traveling for business or leisure, our comprehensive guide helps you find the best deals, understand seasonal price variations, and choose the right airline for your journey from Seoul to London.

12-Month Price History

Flight prices from Seoul to London vary significantly throughout the year. January typically offers the best deals with average prices around $1721, while July sees the highest prices, averaging $2717. Savvy travelers can save up to 37% by choosing their travel dates wisely.

Best Time to Fly

Cheapest Month

January

Save up to 40% on average

Most Expensive

July

Peak season pricing

Book in Advance

173 days

For best prices

Booking Tips

For the best prices on Seoul to London flights, we recommend booking 92 days in advance. International flights typically see price increases as the departure date approaches, so early booking is advisable. Tuesday and Wednesday departures often offer the lowest fares, while Friday and Sunday flights tend to be more expensive due to business and leisure travel demand. Consider flying early morning or late evening for additional savings, as these off-peak times usually have lower demand.

Airlines Serving This Route

Asiana Airlines

OZ

Economy

$1470

Business

$5090

First

$9500

Delta Air Lines

DL

Economy

$1480

Business

$5060

First

$8300

American Airlines

AA

Economy

$1530

Business

$5840

First

$9030

United Airlines

UA

Economy

$1640

Business

$5450

First

$7330

British Airways

BA

Economy

$1740

Business

$5590

First

$10270

Korean Air

KE

Economy

$1750

Business

$4880

First

$9800

Air France

AF

Economy

$1940

Business

$6160

First

$9760

Prices shown are estimates based on historical data. Actual prices may vary based on dates, availability, and current promotions.

Alternative Flight Options

London destination photo

SeoulLondon

Gimpo International (GMP) to Heathrow (LHR)

Distance: 8,868 km

Average price: $1859

View this route →
London destination photo

SeoulLondon

Incheon International (ICN) to Gatwick (LGW)

Distance: 8,876 km

Average price: $1861

View this route →
Birmingham destination photo

SeoulBirmingham

Incheon International (ICN) to Birmingham (BHX)

Distance: 8,834 km

Average price: $1853

View this route →
Birmingham destination photo

SeoulBirmingham

Incheon International (ICN) to Birmingham (BHX)

Distance: 8,834 km

Average price: $1853

View this route →

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Frequently Asked Questions

How long is the flight from Seoul to London?

The flight time from Seoul (ICN) to London (LHR) is approximately 11 hours and 35 minutes. This duration is for direct flights and may vary depending on aircraft type, weather conditions, and air traffic.

What is the distance between Seoul and London?

The aerial distance between Seoul and London is 8,861 kilometers (5,506 miles). This is the straight-line distance, which is used to calculate flight times.

Which airlines fly from Seoul to London?

Several airlines operate flights between Seoul and London, including British Airways, Korean Air, Asiana Airlines and 4 more airlines. Most flights on this route include one or more stops.

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

Based on historical data, February typically offers the lowest airfares for flights from Seoul to London. However, prices can vary based on holidays, events, and airline promotions. We recommend checking our price calendar for the most up-to-date information.

How far in advance should I book my flight to London?

For the best prices on Seoul to London flights, we recommend booking 167 days in advance. International flights generally require earlier booking than domestic routes.

Do I need a visa to travel from Seoul to London?

Visa requirements depend on your nationality and the purpose of your visit. Citizens of South Korea traveling to United Kingdom should check the latest visa requirements. Visit our partner site visarequirements.io for detailed visa information.

What is the time difference between Seoul and London?

Seoul operates on Asia/Seoul time zone, while London is in the Europe/London time zone. For current time differences and to plan your schedule, visit our partner site timezig.com for accurate timezone conversions.