Compare airlines and find the best fares from London to Seoul.
The distance between London and Seoul is about 8,860.68km. Demand peaks in July, while September is the cheapest month to book.
Find the cheapest London to Seoul flights over the next 3 months. One-way fares from £268, return fares from £411.
Indicative one-way fares for 1 adult in Economy Class. Updated on 7 October 2026.
Indicative return fares for 1 adult in Economy Class. Updated on 7 October 2026.
Nonstop flights only, ranked from lowest to highest fare.
Direct flights only. Indicative fares for 1 adult in Economy Class.
Selection based on London–Seoul flight tickets booked on Trip.com over the past 12 months.
For a one-way flight from London to Seoul, fares are lowest in November (£254) and highest in July (£622).
Average price of one-way tickets from London to Seoul booked on Trip.com over the past 12 months.
For a return flight from London to Seoul, fares are lowest in November (£414) and highest in July (£892).
Average price of return tickets from London to Seoul booked on Trip.com over the past 12 months.
Simple tips to pay less, alongside our price calendar.
Check the Trip.com price calendar to find the cheapest months for flights from London to Seoul.
Discover the airports serving this route and useful information for your flight.
Heathrow (LHR) offers all direct London–Seoul flights and the widest choice of schedules. Gatwick (LGW) is an alternative for one-stop itineraries, sometimes at lower fares. Compare prices, connections and airport transfer times.
(LHR) — DIRECT FLIGHTSThe main departure airport for direct and connecting flights to Seoul.
Frequent direct flights to Seoul-Incheon Airport (ICN)
Asiana Airlines, Korean Air, China Southern Airlines, Virgin Atlantic
Elizabeth line, Heathrow Express, Piccadilly line, taxi/private hire · 15–60 min
(LGW) — ONE-STOP OPTIONSAn alternative for connecting flights, which can sometimes offer lower fares.
One-stop itineraries and travellers based in south London or southern England
China Southern Airlines, Air China, China Eastern Airlines, Turkish Airlines
Gatwick Express, Thameslink, Southern trains, taxi/private hire · 30–60 min
Find out about arrival procedures and transport options to the city centre.
(ICN)About 50 km from the city centre. Two main terminals: Terminal 1 and Terminal 2, connected by automated trains. Direct flights from London arrive at Incheon.
Direct flights · avg flight time ~12h 30min · often arrives next day (+1)
(GMP)About 16 km from the city centre. Two terminals: International and Domestic. From London, Gimpo is only available on connecting routes.
Connecting flights · varying flight times · often arrives next day (+1)
At both Incheon and Gimpo, you'll go through passport control, collect your luggage, and then pass through customs. All foreign travellers (where required) must complete the Korea Electronic Arrival Card (K-ETA) within three days before arrival.
For Myeongdong, Hongdae or the city centre: allow 50–75 min from Incheon and 25–40 min from Gimpo.
Transport | Seoul-Incheon (ICN) | Seoul-Gimpo (GMP) |
|---|---|---|
Train | AREX Express to Seoul Station · ~43 min · KRW 11,000 | AREX or Metro (Line 5/9) · ~25–40 min · KRW 1,550–1,850 |
Taxi / ride-hailing | Direct to hotel · ~60–100 min · KRW 70,000–100,000 | Direct to hotel · ~25–35 min · KRW 25,000–35,000 |
Bus / shuttle | Limousine bus · ~60–90 min · KRW 12,000–18,000 | City bus · ~30–45 min · KRW 1,550–1,850 |
Car rental | Useful for trips outside Seoul · Rent a car | Useful for exploring Seoul and surrounding areas · Rent a car |