Cheap flights from Seoul to London from $1,048 GMP, ICN → LCY, LGW, LHR, STN
Gimpo International Airport (GMP), Incheon International Airport (ICN) → London City Airport (LCY), London Gatwick Airport (LGW), London Heathrow Airport (LHR), Stansted Airport (STN)
The cheapest return found recently is $1,048 with China Eastern, 13 Jul 2027 – 4 Aug 2027, found 2 days ago.
- Cheapest return found recently
- $1,048, 13 Jul 2027 to 4 Aug 2027
- Usual return price
- $788 to $975
- Cheapest month to fly
- November 2026, return fares from $666 found in the last 7 days
- Airlines with nonstop flights
- Virgin Atlantic, Korean Air, Asiana Airlines
Return
The cheapest return fare on each of 8 departure dates is usually $788 to $975.
Cheapest return found recently
$1,048
13 Jul 2027 – 4 Aug 2027 · China Eastern
Incheon International Airport (ICN) → London Gatwick Airport (LGW)
Leaves 4:20 p.m. · Return leaves 11:35 a.m. · 38 h 40 min of travel, both ways together
out 1 stop, back 1 stop · via Shanghai Pudong International Airport (PVG) · 8 h connection
found 2 days ago
Cheapest nonstop return
$1,278
13 Jul 2027 – 5 Aug 2027 · Virgin Atlantic
Incheon International Airport (ICN) → London Heathrow Airport (LHR)
Leaves 11:35 a.m. · Return leaves 1:45 a.m. · 27 h 5 min of travel, both ways together
out nonstop, back nonstop
found 2 days ago
Found recently, and the cheapest we hold
$1,048 13 Jul 2027 – 4 Aug 2027found 2 days agoSee prices for these dates
$666 26 Nov – 11 Decfound 6 days agoSee prices for these dates
What have prices looked like?
Over 49 days, 24 Sept to 11 Nov, the cheapest return we saw each day was $507 to $823.
At $1,048, the cheapest return found recently is above that range.
Those were the prices on those days, not today's.
Is this a good return price?
Compared with the cheapest return fare on each of 8 departure dates from 26 Nov to 15 Oct 2027, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.
Could nearby dates be cheaper?
We hold no other 22-night return fares leaving within 3 days of 13 Jul 2027 to compare.
Every date we hold
139 fares on 8 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 26 Nov – 11 Dec | $666 | China Southern Airlines | Incheon International Airport (ICN) → London Heathrow Airport (LHR) | out 1 stop, back 3 stops | found 6 days ago | See prices for these dates |
| 3 Feb 2027 – 6 Feb 2027 | $823 | Turkmenistan Airlines | Incheon International Airport (ICN) → London Gatwick Airport (LGW) | out 1 stop, back 1 stop | found 5 days ago | See prices for these dates |
| 4 Feb 2027 – 6 Feb 2027 | $863 | Etihad Airways | Incheon International Airport (ICN) → London Heathrow Airport (LHR) | out 1 stop, back 1 stop | found 5 days ago | See prices for these dates |
| 22 Feb 2027 – 7 Mar 2027 | $684 | China Eastern | Incheon International Airport (ICN) → London Heathrow Airport (LHR) | out 1 stop, back 1 stop | found 8 days ago | See prices for these dates |
| 16 Jun 2027 – 30 Jun 2027 | $1,563 | Japan Airlines | Gimpo International Airport (GMP) → London Heathrow Airport (LHR) | out 1 stop, back 1 stop | found 5 days ago | See prices for these dates |
| 1 Jul 2027 – 10 Jul 2027 | $951 | Qatar Airways | Incheon International Airport (ICN) → London Heathrow Airport (LHR) | out 1 stop, back 1 stop | found 4 days ago | See prices for these dates |
| 13 Jul 2027 – 4 Aug 2027 | $1,048 | China Eastern | Incheon International Airport (ICN) → London Gatwick Airport (LGW) | out 1 stop, back 1 stop | found 2 days ago | See prices for these dates |
| 15 Oct 2027 – 22 Oct 2027 | $932 | Qatar Airways | Incheon International Airport (ICN) → London Gatwick Airport (LGW) | out 1 stop, back 1 stop | found 7 days ago | See prices for these dates |
Which month looks cheapest?
November 2026 is the cheapest month — from $666.
Airlines on the cheapest dates: China Eastern, Qatar Airways, China Southern Airlines, Turkmenistan Airlines, Etihad Airways, Japan Airlines.
Premium cabin fares from Seoul to London
We hold no premium economy, business or first-class fares for this route: we collect them for the busiest routes, and this one is not among them yet.
Today's prices for 13 Jul 2027 – 4 Aug 2027 in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Seoul to London?
Return
Fares 7 to 13 days before departure were typically 7% lower than 0 to 6 days before departure.
From the cheapest return each day between 24 Sept and 11 Nov (49 days), grouped by how many days ahead the flight left; one adult in economy.
Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.
Prices reflect recent searches — current fares may differ.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 0–6 days | $602 | $602 | +7% | 9 |
| 7–13 days | $562 | $507 | Cheapest seen | 8 |
| 14–29 days | $593 | $507 | +6% | 25 |
| 30–59 days | $636 | $636 | +13% | 14 |
| 60–89 days | $843 | $611 | +50% | 26 |
| 90–179 days | $743 | $673 | +32% | 33 |
| 180+ days | $819 | $777 | +46% | 32 |
Live price for these dates
The cheapest return found recently is for 13 Jul 2027 – 4 Aug 2027. A live search on this page shows what those dates cost now, for one adult in economy.
Questions about this trip
How much is a return flight from Seoul to London?
The cheapest return found recently is $1,048 with China Eastern, 13 Jul 2027 to 4 Aug 2027, found 2 days ago. The cheapest return we hold, of any age, is $666 with China Southern Airlines, 26 Nov to 11 Dec, found 6 days ago. The cheapest return fare on each of 8 departure dates is usually $788 to $975.
What is the cheapest month to fly from Seoul to London?
November 2026 is the cheapest month for a return, from $666, 26 Nov to 11 Dec, found 6 days ago.
How far ahead should I book a flight from Seoul to London?
In 49 days of prices between 24 Sept and 11 Nov, return fares 7 to 13 days before departure were typically 7% lower than 0 to 6 days before departure.
Is there a direct flight from Seoul to London?
Yes, the cheapest nonstop return found recently is $1,278 with Virgin Atlantic, 13 Jul 2027 to 5 Aug 2027, found 2 days ago.
Which airlines have the cheapest flights from Seoul to London?
Between 26 Nov and 15 Oct 2027, China Eastern has the cheapest return on 2 of the 8 departure dates we hold, Qatar Airways on 2 and China Southern Airlines on 1.
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