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

Friday, December 18th, 2026

4 round-trip options

Returning
Wed, Dec 23, 20265 Day Trip
$984 USD
Returning
Fri, Dec 25, 20267 Day Trip
$753 USD
Returning
Sun, Dec 27, 20269 Day Trip
$766 USD
Returning
Wed, Dec 30, 202612 Day Trip
$845 USD