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

Wednesday, December 16th, 2026

7 round-trip options

Returning
Mon, Dec 21, 20265 Day Trip
$873 USD
Returning
Wed, Dec 23, 20267 Day Trip
$887 USD
Returning
Thu, Dec 24, 20268 Day Trip
$808 USD
Returning
Sat, Dec 26, 202610 Day Trip
$877 USD
Returning
Sun, Dec 27, 202611 Day Trip
$808 USD
Returning
Mon, Dec 28, 202612 Day Trip
$841 USD
Returning
Tue, Dec 29, 202613 Day Trip
$1,028 USD