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Nonstop flights from London to Seoul from $889 LCY, LGW, LHR, LTN, SEN, STN → GMP, ICN

London City Airport (LCY), London Gatwick Airport (LGW), London Heathrow Airport (LHR), London Luton Airport (LTN), London Southend Airport (SEN), Stansted Airport (STN) → Gimpo International Airport (GMP), Incheon International Airport (ICN)

The cheapest nonstop return found recently is $889 with Asiana Airlines, 26 Nov – 28 Nov, found 2 days ago.

Nonstop return

The cheapest nonstop return fare on each of 10 departure dates is usually $904 to $1,200.

Cheapest nonstop return

$889

26 Nov – 28 Nov · Asiana Airlines

London Heathrow Airport (LHR) → Incheon International Airport (ICN)

Leaves 5:40 p.m. · Return leaves 12:35 a.m. · 27 h 25 min of travel, both ways together

out nonstop, back nonstop

found 2 days ago

See prices for these datesCheck today's price

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Airlines flying it nonstop on the return fares we hold: Asiana Airlines (7 departure dates), Korean Air (4 departure dates), Virgin Atlantic (3 departure dates).

On the 11 trips where we hold both on the same dates, nonstop cost a median $262 (41.5%) more than the cheapest fare with stops. Nonstop was cheaper or the same price on 1 of those 11 trips.

Every nonstop date we hold

Nonstop fares on 10 of the 16 departure dates we hold for this route.

25 Nov – 6 Dec: $932, found 8 days ago26 Nov – 28 Nov: $889, found 2 days ago27 Nov – 5 Dec: $895, found 7 days ago24 Dec – 15 Jan 2027: $1,436, found 8 days ago7 Jan 2027 – 14 Jan 2027: $1,235, found 4 days ago9 Feb 2027 – 18 Feb 2027: $894, found 3 days ago3 Mar 2027 – 12 Mar 2027: $976, found 5 days ago13 May 2027 – 20 May 2027: $1,095, found 2 days ago4 Jul 2027 – 14 Jul 2027: $1,330, found 4 days ago13 Aug 2027 – 20 Aug 2027: $1,079, found 3 days agoNovDecJanFebMarMayJulAug
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
25 Nov – 6 Dec$932Asiana AirlinesLondon Heathrow Airport (LHR) → Incheon International Airport (ICN)out nonstop, back nonstopfound 8 days agoSee prices for these dates
26 Nov – 28 Nov$889Asiana AirlinesLondon Heathrow Airport (LHR) → Incheon International Airport (ICN)out nonstop, back nonstopfound 2 days agoSee prices for these dates
27 Nov – 5 Dec$895Asiana AirlinesLondon Heathrow Airport (LHR) → Incheon International Airport (ICN)out nonstop, back nonstopfound 7 days agoSee prices for these dates
24 Dec – 15 Jan 2027$1,436Korean AirLondon Heathrow Airport (LHR) → Incheon International Airport (ICN)out nonstop, back nonstopfound 8 days agoSee prices for these dates
7 Jan 2027 – 14 Jan 2027$1,235Asiana AirlinesLondon Heathrow Airport (LHR) → Incheon International Airport (ICN)out nonstop, back nonstopfound 4 days agoSee prices for these dates
9 Feb 2027 – 18 Feb 2027$894Asiana AirlinesLondon Heathrow Airport (LHR) → Incheon International Airport (ICN)out nonstop, back nonstopfound 3 days agoSee prices for these dates
3 Mar 2027 – 12 Mar 2027$976Asiana AirlinesLondon Heathrow Airport (LHR) → Incheon International Airport (ICN)out nonstop, back nonstopfound 5 days agoSee prices for these dates
13 May 2027 – 20 May 2027$1,095Korean AirLondon Heathrow Airport (LHR) → Incheon International Airport (ICN)out nonstop, back nonstopfound 2 days agoSee prices for these dates
4 Jul 2027 – 14 Jul 2027$1,330Virgin AtlanticLondon Heathrow Airport (LHR) → Incheon International Airport (ICN)out nonstop, back nonstopfound 4 days agoSee prices for these dates
13 Aug 2027 – 20 Aug 2027$1,079Virgin AtlanticLondon Heathrow Airport (LHR) → Incheon International Airport (ICN)out nonstop, back nonstopfound 3 days agoSee prices for these dates

Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work