ICN → LHR
Cheap flights from Seoul (ICN) to London (LHR)
FYAVO compares fares from trusted travel partners for flights from Seoul to London. Pick a date to see live offers, then complete your booking on our partner's website.
Cheapest fares by date
| Date | Departs | Airline | Stops | Duration | Price | |
|---|---|---|---|---|---|---|
| Thu 22 Oct | 09:25 | CZ | 1 | 12h 55m | $241 | See deals |
| Fri 23 Oct | 09:25 | CZ | 1 | 12h 55m | $281 | See deals |
| Sat 24 Oct | 16:15 | MU | 1 | 14h 45m | $283 | See deals |
| Sun 25 Oct | 14:30 | MU | 1 | 15h 10m | $332 | See deals |
| Mon 26 Oct | 13:10 | CA | 1 | 13h 30m | $258 | See deals |
| Thu 29 Oct | 13:20 | MF | 1 | 16h 30m | $289 | See deals |
| Fri 30 Oct | 08:55 | MU | 1 | 14h 45m | $439 | See deals |
| Mon 2 Nov | 12:55 | MU | 1 | 15h 0m | $340 | See deals |
| Tue 3 Nov | 12:55 | MU | 1 | 15h 0m | $293 | See deals |
| Sun 8 Nov | 18:25 | FM | 1 | 15h 5m | $311 | See deals |
| Mon 9 Nov | 09:25 | CZ | 1 | 13h 35m | $304 | See deals |
| Tue 10 Nov | 09:25 | CZ | 1 | 13h 35m | $260 | See deals |
| Mon 16 Nov | 12:55 | MU | 1 | 15h 0m | $304 | See deals |
| Sat 21 Nov | 09:10 | CZ | 1 | 16h 45m | $258 | See deals |
| Wed 25 Nov | 16:15 | CZ | 1 | 16h 45m | $242 | See deals |
| Fri 27 Nov | 09:25 | CZ | 1 | 13h 35m | $239 | See deals |
| Wed 9 Dec | 09:25 | CZ | 1 | 13h 35m | $241 | See deals |
| Thu 10 Dec | 09:25 | CZ | 1 | 13h 35m | $242 | See deals |
| Mon 14 Dec | 09:25 | CZ | 1 | 13h 35m | $258 | See deals |
Prices are cached partner fares, updated 21 Oct 2026, 11:17 UTC, and are confirmed on the partner's website.
Questions travellers ask
What is the cheapest flight from Seoul to London?
The cheapest fare we found is $239 one way per adult, departing Fri 27 Nov with CZ. Prices change often, so search live prices to confirm.
Are there direct flights from Seoul to London?
Among the fares we found, every flight on this route has at least one stop. Search live prices to see today's options.
How long is the flight from Seoul to London?
The quickest flight we found takes 12h 55m.
Which airlines fly from Seoul to London?
Fares we found are on these airlines (IATA codes): CZ, MU, CA, MF, FM.
Does FYAVO charge a booking fee?
No. FYAVO is free: you compare prices here and book directly with the partner, paying the partner's own price.