A royal palace among modern skyscrapers in central Seoul

Cheap flights from London Heathrow to South Korea

Return fares from £450 in the next 12 months. Pick a day in the calendar to see the fare.

Cheapest return: £450
Typical return: £490.50
Cheapest one way: –
Cheapest month: May

Price calendar

Cheapest return fare by departure day, 5–30 nights, direct or with one stop. Green days are the cheapest of the month.

Cheapest return fare per departure day, January 2027
Mon	Tue	Wed	Thu	Fri	Sat	Sun
				1–	2–	3–
4–	5–	6–	7–	8–	9–	10–
11–	12–	13–	14–	15–	16£483 return, back 26 Jan	17£498 return, back 24 Jan
18–	19–	20–	21–	22–	23–	24–
25–	26–	27–	28–	29–	30–	31–

Cheapest dates

Mon 24 May – Mon 7 Jun · 14 nights
CZ · 1 stop
£450Check price ↗
Sat 16 Jan – Tue 26 Jan · 10 nights
CZ · 1 stop
£483Check price ↗
Sun 17 Jan – Sun 24 Jan · 7 nights
ZH · 1 stop
£498Check price ↗
Sun 17 Jan – Wed 27 Jan · 10 nights
ZH · 1 stop
£502Check price ↗

London Heathrow to South Korea: questions

How much is a flight from London Heathrow to South Korea?: In the fares we found for the next 12 months, return flights start at £450 and the median is £490.50 (4 fares, 5–30 nights, 1 adult).
What is the cheapest month to fly from London Heathrow to South Korea?: May 2027, from £450 return, of the months we have fares for.
Are there direct flights from London Heathrow to South Korea?: Not in the fares we found: they all have a stop.
Which airlines fly from London Heathrow to South Korea?: In our fares: CZ, ZH.

More flights from London Heathrow

Prices are return fares for one adult, found in searches in the last few days and cached; they can change at any time, and the final price and availability are shown when you book. Checked bags are extra unless the airline includes them.