Cheapest return flights from London (LCY) to Hanoi (HAN)

Cheapest month: October 2026, from $ 797. Book in one tap, or open a month for every date.

All destinations from London (LCY)

One-wayReturn

  • October 2026

    30 Oct – 25 Jan 2027 87 nights
    $ 797 return Cheapest month
    Luxair
    Price seen 10 Oct
    October dates

  • January 2027

    11–24 Jan 2027 13 nights
    $ 950 return
    SWISS
    Price seen 10 Oct
    January dates

  • February 2027

    24 Feb – 5 May 2027 70 nights
    $ 1,154 return
    British Airways
    Price seen 10 Oct
    February dates

  • March 2027

    31 Mar – 31 Aug 2027 153 nights
    $ 1,498 return
    British Airways
    Price seen 10 Oct
    March dates

  • April 2027

    28 Apr – 30 Aug 2027 124 nights
    $ 1,347 return
    British Airways
    Price seen 10 Oct
    April dates

  • May 2027

    1 May – 2 Sep 2027 124 nights
    $ 2,285 return
    KLM
    Price seen 10 Oct
    May dates

  • September 2027

    19 Sep – 3 Oct 2027 14 nights
    $ 1,250 return
    KLM
    Price seen 10 Oct
    September dates
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Updated Oct 11, 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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