Aer Lingus UK
Flights from London Heathrow to Seoul
LHR SEL · South Korea
From
£797
return · 1 adult · economy
Operated by
Aer Lingus UK
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.
- LHR21:0012:25SEL—1 stop· China Southern AirlinesReturn13:30 → 18:051 stop · —£797Book on search →
- LHR21:0022:10SEL17h 10m1 stop· China Southern AirlinesReturn13:30 → 18:051 stop · —£797Book on search →
- LHR22:1013:55SEL—1 stop· China Southern AirlinesReturn13:30 → 18:051 stop · —£797Book on search →
Frequently asked questions
- How long is a flight from London Heathrow to Seoul with Aer Lingus UK?
- 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 Aer Lingus UK 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 Aer Lingus UK 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.