London Heathrow (LHR) to Seoul (ICN) flight deal in economy from $644

Friday, December 25th, 2026

7 round-trip options

Returning
Wed, Dec 30, 20265 Day Trip
$761 USD
Returning
Fri, Jan 1, 20277 Day Trip
$907 USD
Returning
Sat, Jan 2, 20278 Day Trip
$1,028 USD
Returning
Mon, Jan 4, 202710 Day Trip
$933 USD
Returning
Tue, Jan 5, 202711 Day Trip
$930 USD
Returning
Wed, Jan 6, 202712 Day Trip
$914 USD
Returning
Thu, Jan 7, 202713 Day Trip
$907 USD