One route, followed properly: London (LHR) to Seoul (ICN), return. What follows is the lowest fare our radar has picked up on it and the precise dates behind that number, rather than a headline price with the conditions left out.
We do not post a price and leave it to age. Each fare is re-checked against Skyscanner on a schedule and carries the time it was last confirmed. Not flying from London? We track 55 other departure cities for Seoul, listed at the foot of this page.
London → Seoul
for 1 Sep – 11 Sep 2026
✓ live-checked 3 hours ago
Check live price on Skyscanner →Price history 36 checks recorded for this route
lowest seen £445 · typical £498 · highest £534 · now £499
The cheapest London to Seoul return flight on the radar right now is £499, flying with China Southern via one or more connections. It covers departures in September 2026, and every dated link below opens that exact LHR–ICN search on Skyscanner. Across 36 recorded checks it has ranged between £445 and £534. Our sampling points to September 2026 as the cheapest month to fly London to Seoul.
London to Seoul flights: common questions
How much is a flight from London to Seoul?
The lowest return fare we currently track from London (LHR) to Seoul (ICN) is £499. The typical price on this route is £498, so anything near £499 is worth booking quickly. Over 36 recorded checks we have seen it as low as £445 and as high as £534.
Which airline flies from London to Seoul at this price?
This £499 fare is with China Southern, with at least one connection. The live search lists every carrier serving the route, so you can compare schedules before booking.
Is there a direct flight from London to Seoul?
This £499 fare includes at least one connection. If you need a non-stop London to Seoul flight, open the live search and apply the direct filter there.
When is the cheapest time to fly from London to Seoul?
Our price sampling points to September 2026 as the cheapest departure month on this route. The dated links on this page cover September 2026.
Is the £499 London to Seoul fare still available?
We last confirmed this £499 fare against live Skyscanner availability 3 hours ago. Deal fares move within days, so the Check live price button re-runs the exact search and shows today's number rather than a cached one.
How do I book this London to Seoul deal?
Pick a date pair above or press Check live price. That opens the exact LHR–ICN search on Skyscanner, where you book directly with the airline or agent. TravelFree does not sell tickets, adds no booking fee and does not mark the price up.
Every London to Seoul price on this page comes from a real bookable quote and is re-checked automatically. TravelFree takes no commission from you and never marks a fare up.
Cheap fares do not hang around. If this one has already gone, nudge the dates either way by a day or two; London to Seoul is usually still decent value around the same window.