Flights from London to Seoul
Fares, airlines, flight time and both airports for LHR–ICN.
Route snapshot: London to Seoul
London (LHR) to Seoul (ICN) is 8,861 km, about 11h 35m flying nonstop. Airlines with flights or nonstop fares on this route include Asiana Airlines and Korean Air. The lowest one-way fare seen recently was $708 with Asiana Airlines (nonstop), departing 20 Sept 2026 — as of 11 Sept 2026.
Check fares, see which airlines fly this route, and sort out airports, visas, and what to do at the destination — all before you book.
When you land in Seoul
Sort the airport transfer and pick a few things to do so you hit the ground running.
Getting out of Seoul (ICN)
Skip the taxi rank and lock in your fare before you land.
Pre-book a fixed-price transfer
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Tours, tickets & day trips
Our pickGetYourGuide has the deepest catalogue for Seoul and free cancellation on most experiences — book now, decide later.
Browse SeoulJust need timed-entry attraction tickets in Seoul? Try Tiqets.Want a private driver-guide? Trip.com Private Tours in Seoul.Flights LHR → ICN
Compare live fares from London to Seoul across 750+ airlines.
Find hotels in Seoul
Hotels, hostels & more · Trip.com
Why travelers watch this route
Fares seen
The lowest one-way fare seen was $708 with Asiana Airlines (nonstop), departing 20 Sept 2026; with connections it dropped to $371. Checked 11 Sept 2026 — fares move daily.
Seasonality
Seoul demand usually strengthens around April – June, September – November, which can push fares higher on this corridor.
Who flies it
Airlines with flights or nonstop fares here include Asiana Airlines and Korean Air. More carriers may sell it with a connection.
Airlines flying London to Seoul
Carriers on LHR–ICN according to our route data and nonstop fares seen as of 11 Sept 2026. Not a complete list.
London–Seoul route intelligence
Updated analysis of the LHR–ICN corridor — distance, 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.
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
Nonstop flights link London (LHR) and Seoul (ICN), taking about 11h 35m. Connecting itineraries can be cheaper but take longer.
Fares & Price Guide
The lowest one-way fare seen on LHR–ICN was $708 USD (nonstop) as of 11 Sept 2026. Set a fare alert to be told when it drops.
About Seoul, South Korea
Flights arrive at Incheon International Airport (ICN). Best visited during April – June, September – November. See the 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
See current London to Seoul fares on Trip.com.
Airport Guides
Check terminals, transport and arrival details for LHR and ICN.
Airline Route Maps
Explore the networks of airlines flying from London and Seoul.
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
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Frequently asked questions — London to Seoul flights
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