Seoul (ICN) to London Heathrow (LHR) flight deal from $657 USD in economy class

LHLufthansa

Round Trip•Economy

ICN

Incheon International Airport

Seoul, South Korea

LHR

London Heathrow Airport

London Heathrow, United Kingdom

$887 USD

-26%$657 USD

Verified Nov 30, 2025 at 1:08 PM

January 2026

Today

Mon

Tue

Wed

Thu

Fri

Sat

Sun

29$760 30$849 31$849 1$944 2$1,049 3$1,435 4$1,453 5$1,290 6$1,190 7$935 8$1,024 9$906 10$910 11$904 12$915 13$771 14$704 15 16$700 17$694 18$704 19$668 20$668 21$658 22 23$658 24$711 25$668 26$668 27 28$658 29$668 30$658 31$658 1

Limited Availability

12% of dates checked are available within 10% of the lowest price

Wednesday, January 21st, 2026

10 round-trip options

Returning

Mon, Jan 26, 2026•5 Day Trip

$739 USD

Google Flights

Returning

Tue, Jan 27, 2026•6 Day Trip

$658 USD

Google Flights

Returning

Wed, Jan 28, 2026•7 Day Trip

$678 USD

Google Flights

Returning

Thu, Jan 29, 2026•8 Day Trip

$704 USD

Google Flights

Returning

Fri, Jan 30, 2026•9 Day Trip

$717 USD

Google Flights

Returning

Sat, Jan 31, 2026•10 Day Trip

$762 USD

Google Flights

Returning

Sun, Feb 1, 2026•11 Day Trip

$678 USD

Google Flights

Returning

Mon, Feb 2, 2026•12 Day Trip

$782 USD

Google Flights

Returning

Tue, Feb 3, 2026•13 Day Trip

$658 USD

Google Flights

Returning

Wed, Feb 4, 2026•14 Day Trip

$678 USD

Google Flights