Cheapest return flights from Seoul (ICN) to London (LHR)

Cheapest month: March 2027, from $ 512. Book in one tap, or open a month for every date.

All destinations from Seoul (ICN)

One-wayReturn

  • October 2026

    19 Oct – 8 Mar 2027 140 nights
    $ 764 return
    China Southern
    Price seen 11 Oct
    October dates

  • November 2026

    25 Nov – 2 Dec 7 nights
    $ 585 return
    China Southern
    Price seen 11 Oct
    November dates

  • December 2026

    4–6 Dec 2 nights
    $ 526 return
    Scandinavian Airlines
    Price seen 12 Oct
    December dates

  • January 2027

    16 Jan – 12 Aug 2027 208 nights
    $ 730 return
    Scandinavian Airlines
    Price seen 11 Oct
    January dates

  • February 2027

    20–22 Feb 2027 2 nights
    $ 532 return
    Scandinavian Airlines
    Price seen 12 Oct
    February dates

  • March 2027

    6–8 Mar 2027 2 nights
    $ 512 return Cheapest month
    Scandinavian Airlines
    Price seen 12 Oct
    March dates

  • June 2027

    29 Jun – 14 Jul 2027 15 nights
    $ 676 return
    Scandinavian Airlines
    Price seen 12 Oct
    June dates

  • August 2027

    2–11 Aug 2027 9 nights
    $ 760 return
    Air France
    Price seen 11 Oct
    August dates

  • September 2027

    23 Sep – 3 Oct 2027 10 nights
    $ 1,163 return
    Direct Asiana Airlines
    Price seen 11 Oct
    September dates
Powered by

Deals for one-way flights from Seoul to London.

Book a cheap hotel in London

Cheap car rent in Heathrow

Updated Oct 12, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

Feel free to contact us with any feedback or request another flight research.