Advanced Air

Flights from London Heathrow to Seoul

LHR SEL · South Korea

From

£797

return · 1 adult · economy

Operated by

Advanced Air

Shortest outbound

17h 10m

Direct option

No (connecting only)

Live offers

Sample sail-date: 2026-10-10 outbound · 2026-10-17 return. Prices refresh daily.

How long is a flight from London Heathrow to Seoul with Advanced Air?: The shortest current offer is 17h 10m outbound from LHR to SEL. On the sample dates we only see connecting options — try other dates for direct flights.
Does Advanced Air fly direct from LHR to SEL?: Not on these sample dates — the cheapest offers we see are connecting flights. Direct service may exist on other dates.
How much does a Advanced Air ticket from LHR to SEL cost?: The cheapest return economy fare we found today is £797 for 1 adult, based on sample dates 2026-10-10 → 2026-10-17. Prices change daily — run the live search for current fares.