Cheap flights from Seoul to London
One-way fares from $234, found recently by travellers. Plus what 5 days in London costs once you land.
Cheapest dates we found
- 15 Oct2026ICN → LHRChina Southern · 1 stop · 12h 55m$234one way
- 4 Nov2026ICN → LHRChina Southern · 1 stop · 13h 35m$239one way
- 10 Nov2026ICN → LHRChina Southern · 1 stop · 16h 45m$241one way
- 10 Dec2026ICN → LHRChina Eastern · 1 stop · 14h 45m$243one way
- 27 Nov2026ICN → LHRChina Southern · 1 stop · 13h 35m$243one way
- 20 Dec2026ICN → LHRChina Southern · 1 stop · 13h 35m$246one way
One-way economy prices travellers found on Aviasales in the last few days. They change often, so open a fare to see today's price.
Lowest fare by month
Lowest one-way fare seen for each month. Months with no price had no recent searches.
Airlines on this route
Recent cheap fares were with China Southern, China Eastern. Low-cost airlines often charge extra for checked bags and seats, so compare the full price.
When to go to London
May to September has the best weather. Winter is quieter and hotel prices drop after the new year.
Money-saving tips for London
- Tap the same contactless card or phone for every journey; daily and weekly caps apply automatically.
- Meal deals from supermarkets and street food markets keep lunch cheap.
- Buses are cheaper than the Tube, with a flat fare and free transfers within an hour.
Questions
How much is a flight from Seoul to London?
The cheapest one-way fare we found recently was $234 with China Southern on 15 Oct 2026. Most of the fares we saw were between $234 and $246 one way. Prices change daily, so open the fare to see today's price.
How long is the flight from Seoul to London?
The quickest flight in our recent results took 12h 55m with 1 stop.
Are there direct flights from Seoul to London?
The cheapest fares we found all had at least one stop. Non-stop flights may exist at higher prices, so check the flight search.
What is the cheapest month to fly from Seoul to London?
In our recent results, October had the lowest fare ($234 one way). This is based on prices other travellers found, not a forecast.
How much money do I need for 5 days in London?
About $485 for one backpacker, or $2,300 for two people travelling mid-range (hotel, food, transport and sights, flights not included). Add about $468 per person for a return flight from Seoul.
More flights from Seoul
- Return: London → Seoul
- Seoul → Istanbul
- Seoul → Lisbon
- Seoul → Barcelona
- Seoul → Rome
- Seoul → Paris
- Seoul → Amsterdam
- Seoul → Prague
- Seoul → Budapest
- All flights from Seoul
Fly to London from
- Hong Kong
- Taipei
- Tokyo
- Osaka
- Istanbul
- Lisbon
- Barcelona
- Rome
- Paris
- Amsterdam
- Prague
- Budapest
- Athens
- Shanghai
- Beijing
- Guangzhou
Fares are recent prices found by travellers, cached for a few hours. Trip costs are planning estimates checked 2026-10-11. Always confirm the final price when you book. Some links are affiliate links; they never change your price.