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

Thursday, August 13th, 2026

7 round-trip options

Returning
Wed, Aug 19, 20266 Day Trip
$1,243 USD
Returning
Thu, Aug 20, 20267 Day Trip
$1,282 USD
Returning
Fri, Aug 21, 20268 Day Trip
$1,374 USD
Returning
Sat, Aug 22, 20269 Day Trip
$1,281 USD
Returning
Sun, Aug 23, 202610 Day Trip
$1,420 USD
Returning
Mon, Aug 24, 202611 Day Trip
$1,292 USD
Returning
Thu, Aug 27, 202614 Day Trip
$1,375 USD