Cheapest return flights from London (LCY) to Bangkok (BKK)

Cheapest month: March 2027, from $ 810. Book in one tap, or open a month for every date.

All destinations from London (LCY)

One-wayReturn

  • October 2026

    27 Oct – 2 Mar 2027 126 nights
    $ 1,143 return
    SWISS
    Price seen 9 Oct
    October dates

  • November 2026

    25 Nov – 2 Jun 2027 189 nights
    $ 1,009 return
    KLM
    Price seen 9 Oct
    November dates

  • December 2026

    1 Dec – 19 Jan 2027 49 nights
    $ 858 return
    SWISS
    Price seen 9 Oct
    December dates

  • January 2027

    25 Jan – 6 Jul 2027 162 nights
    $ 988 return
    KLM
    Price seen 9 Oct
    January dates

  • March 2027

    10 Mar – 22 Apr 2027 43 nights
    $ 810 return Cheapest month
    KLM
    Price seen 9 Oct
    March dates

  • April 2027

    7 Apr – 31 Aug 2027 146 nights
    $ 1,155 return
    KLM
    Price seen 8 Oct
    April dates

  • July 2027

    23 Jul – 31 Aug 2027 39 nights
    $ 1,089 return
    ITA Airways
    Price seen 9 Oct
    July dates

  • August 2027

    1 Aug – 1 Oct 2027 61 nights
    $ 1,513 return
    SWISS
    Price seen 8 Oct
    August dates

  • September 2027

    20 Sep – 3 Oct 2027 13 nights
    $ 837 return
    KLM
    Price seen 9 Oct
    September dates
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Updated Oct 9, 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.

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