Flights from Seoul to London
Compare airlines and fares on ICN–LHR. Find cheap flights, flexible dates, and instant booking.
Search Flights: Seoul (ICN) → London (LHR)
Route snapshot: Seoul to London
Seoul to London is a 11h 15m air corridor covering roughly 8,861 km and typically searched by travelers comparing direct and one-stop options.
Use this page to benchmark fares, check which airlines commonly serve the corridor, and move into airport, visa, and destination planning before you book.
Next best action
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Compare prices across airlines and book with Trip.com.
Book a transfer or rental from London airport (LHR)
Fixed-price airport transfer, licensed drivers, or pick up a rental car — compare and book ahead so you skip the taxi queue.
Things to do in London
Tours, skip-the-line tickets and local experiences — book ahead to skip queues.
Flights ICN → LHR
Compare live fares from Seoul to London across 750+ airlines.
Find hotels in London
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Why travelers watch this route
Route economics
ICN–LHR sits in the Ultra long-haul fare band, with economy prices often starting around $600 when booked at the right time.
Seasonality
London has year-round travel demand, so fare differences often depend more on booking window and airline competition than on one single peak season.
Airline competition
This corridor is usually compared across 5 common airline options, which is why checking both the route page and the live fare search can uncover better timing and booking opportunities.
Airlines flying Seoul to London
These carriers commonly operate the ICN–LHR route or connect via regional hubs.
Seoul–London route intelligence
Updated analysis of the ICN–LHR corridor — distance, fares, timing, and connecting options.
Route profile
Seoul (ICN) to London (LHR) is a ultra-long-haul corridor spanning approximately 8,861 km, with typical block time around 11h 15m. Published fares cluster between $600 and $1600 in economy. Ultra long-haul.
Best time to book
Ultra-long-haul corridors reward early planners — fares are softest 12-16 weeks before departure. Premium-cabin awards open ~330 days out.
Demand-spike calendar: Chuseok (Korean Thanksgiving, Sep/Oct) and Lunar New Year create severe demand spikes. Outside those windows Seoul is reasonably priced year-round.
Visa & arrival
Passport-validity and visa requirements differ between South Korea and UK — most arriving travellers need at least six months of remaining passport validity. Check AirConnect's visa checker for your nationality before booking, especially if you plan to connect through a third country en route.
Best time to fly to London
Based on weather and travel conditions in UK
UK is a great destination year-round. Check local weather patterns before booking and consider shoulder seasons for lower prices and fewer crowds.
Direct & Connecting Flights
Multiple airlines operate between Seoul (ICN) and London (LHR). Compare direct and connecting options to find the best price. Direct flights take approximately 11h 15m.
Fares & Price Guide
Economy fares on ICN–LHR typically range from $600 to $1600 USD one-way. Book 6–10 weeks ahead for the best prices, or set a fare alert to catch price drops automatically.
About London, UK
London is a popular destination for AirConnect travellers. Browse our destination guide for hotels, visa requirements, and travel tips.
Plan this route beyond the fare
Use the wider AirConnect network to move from a route check into airports, airlines, visa, and trip planning.
Search ICN → LHR
Compare live fares and book with Trip.com.
Airport Guides
Check terminals, transport and arrival details for ICN and LHR.
Airline Route Maps
See which airlines dominate the ICN–LHR corridor and nearby connections.
London Planning
Turn this flight route into a full trip with destination, hotel and activity planning.
Price Alerts
Track fare drops on ICN–LHR and related city pairs.
Visa Guides
Check entry rules before booking flights from South Korea to UK.
Explore related route clusters
These hubs help search engines and travelers understand where this corridor sits in the wider route graph.
Deals on Seoul → London
Limited-time offers — grab them before they're gone
Frequently asked questions — Seoul to London flights
Ready to book ICN–LHR?
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