Seoul (ICN) to London Heathrow (LHR) flight deal in economy from $697

Sunday, December 20th, 2026

4 round-trip options

Returning
Fri, Dec 25, 20265 Day Trip
$821 USD
Returning
Sun, Dec 27, 20267 Day Trip
$832 USD
Returning
Tue, Dec 29, 20269 Day Trip
$824 USD
Returning
Fri, Jan 1, 202712 Day Trip
$808 USD