Cheapest return flights from Houston (IAH) to London (LHR)

Cheapest month: November 2026, from $ 644. Book in one tap, or open a month for every date.

All destinations from Houston (IAH)

One-wayReturn

  • November 2026

    25 Nov – 4 Dec 9 nights
    $ 644 return Cheapest month
    Frontier Airlines
    Price seen 8 Oct
    November dates

  • December 2026

    3–7 Dec 4 nights
    $ 738 return
    Frontier Airlines
    Price seen 8 Oct
    December dates

  • January 2027

    26 Jan – 12 Feb 2027 17 nights
    $ 939 return
    Direct Finnair
    Price seen 8 Oct
    January dates

  • February 2027

    12–15 Feb 2027 3 nights
    $ 814 return
    Air Canada
    Price seen 8 Oct
    February dates

  • May 2027

    4 May – 8 Jul 2027 65 nights
    $ 1,152 return
    Direct American Airlines
    Price seen 8 Oct
    May 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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