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

Monday, December 21st, 2026

4 round-trip options

Returning
Sat, Dec 26, 20265 Day Trip
$950 USD
Returning
Mon, Dec 28, 20267 Day Trip
$879 USD
Returning
Wed, Dec 30, 20269 Day Trip
$950 USD
Returning
Sat, Jan 2, 202712 Day Trip
$981 USD