Seoul (ICN) → London (LHR)
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. February typically offers the best deals with average prices around $1613, while August sees the highest prices, averaging $2645. Savvy travelers can save up to 39% by choosing their travel dates wisely.
Best Time to Fly
Cheapest Month
February
Save up to 40% on average
Most Expensive
August
Peak season pricing
Book in Advance
133 days
For best prices
Booking Tips
For the best prices on Seoul to London flights, we recommend booking 161 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
| Airline | Economy | Business | First |
|---|---|---|---|
United Airlines UA | $2440 | $9730 | $13700 |
Asiana Airlines OZ | $2670 | $10020 | $14610 |
Korean Air KE | $2940 | $8440 | $16270 |
American Airlines AA | $2990 | $8700 | $13230 |
Air France AF | $3090 | $9150 | $15780 |
Delta Air Lines DL | $3140 | $10130 | $13710 |
British Airways BA | $3210 | $11010 | $16490 |
United Airlines
UA
Economy
$2440
Business
$9730
First
$13700
Asiana Airlines
OZ
Economy
$2670
Business
$10020
First
$14610
Korean Air
KE
Economy
$2940
Business
$8440
First
$16270
American Airlines
AA
Economy
$2990
Business
$8700
First
$13230
Air France
AF
Economy
$3090
Business
$9150
First
$15780
Delta Air Lines
DL
Economy
$3140
Business
$10130
First
$13710
British Airways
BA
Economy
$3210
Business
$11010
First
$16490
Prices shown are estimates based on historical data. Actual prices may vary based on dates, availability, and current promotions.
Alternative Flight Options
Seoul → London
Gimpo International (GMP) to Heathrow (LHR)
Distance: 8,868 km
Average price: $1859
Seoul → London
Incheon International (ICN) to Gatwick (LGW)
Distance: 8,876 km
Average price: $1861
Seoul → Birmingham
Incheon International (ICN) to Birmingham (BHX)
Distance: 8,834 km
Average price: $1853
Seoul → Birmingham
Incheon International (ICN) to Birmingham (BHX)
Distance: 8,834 km
Average price: $1853
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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 86 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.