Flights from London to Seoul
Compare airlines and fares on LHR–ICN. Find cheap flights, flexible dates, and instant booking.
Search Flights: London (LHR) → Seoul (ICN)
Route snapshot: London to Seoul
London to Seoul 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
Search live fares now
Compare prices across airlines and book with Trip.com.
Book a transfer or rental from Seoul airport (ICN)
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 Seoul
Tours, skip-the-line tickets and local experiences — book ahead to skip queues.
Flights LHR → ICN
Compare live fares from London to Seoul across 750+ airlines.
Find hotels in Seoul
1.4M+ properties · Trip.com
Why travelers watch this route
Route economics
LHR–ICN sits in the Ultra long-haul fare band, with economy prices often starting around $600 when booked at the right time.
Seasonality
Seoul demand usually strengthens around April – June, September – November, which can push fares higher on this corridor.
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 London to Seoul
These carriers commonly operate the LHR–ICN route or connect via regional hubs.
London–Seoul route intelligence
Updated analysis of the LHR–ICN corridor — distance, fares, timing, and connecting options.
Route profile
London (LHR) to Seoul (ICN) 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 UK and South Korea — 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 Seoul
Based on weather and travel conditions in South Korea
Spring and autumn offer mild weather and stunning scenery. Summer (July–August) is hot and rainy; winter is bitterly cold but perfect for ski resorts like Gangwon.
Direct & Connecting Flights
Multiple airlines operate between London (LHR) and Seoul (ICN). Compare direct and connecting options to find the best price. Direct flights take approximately 11h 15m.
Fares & Price Guide
Economy fares on LHR–ICN 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 Seoul, South Korea
Seoul is a popular destination for AirConnect travellers. Best visited during April – June, September – November. 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 LHR → ICN
Compare live fares and book with Trip.com.
Airport Guides
Check terminals, transport and arrival details for LHR and ICN.
Airline Route Maps
See which airlines dominate the LHR–ICN corridor and nearby connections.
Seoul Planning
Turn this flight route into a full trip with destination, hotel and activity planning.
Price Alerts
Track fare drops on LHR–ICN and related city pairs.
Visa Guides
Check entry rules before booking flights from UK to South Korea.
Explore related route clusters
These hubs help search engines and travelers understand where this corridor sits in the wider route graph.
Deals on London → Seoul
Limited-time offers — grab them before they're gone
Frequently asked questions — London to Seoul flights
Ready to book LHR–ICN?
Set a fare alert, check your visa, or search flights now.