Cheapest return flights from St. Louis (STL) to London (LGW)

Cheapest month: November 2026, from $ 982. Book in one tap, or open a month for every date.

All destinations from St. Louis (STL)

One-wayReturn

  • November 2026

    21 Nov – 5 Dec 14 nights
    $ 982 return Cheapest month
    Frontier Airlines
    Price seen 1 Nov
    November dates

  • February 2027

    26 Feb – 4 Mar 2027 6 nights
    $ 1,526 return
    Lufthansa
    Price seen 1 Nov
    February dates

  • April 2027

    12 Apr – 10 May 2027 28 nights
    $ 998 return
    Delta
    Price seen 1 Nov
    April dates

  • May 2027

    15 May – 15 Sep 2027 123 nights
    $ 999 return
    Air Canada
    Price seen 1 Nov
    May dates

  • June 2027

    27 Jun – 8 Jul 2027 11 nights
    $ 1,537 return
    Icelandair
    Price seen 1 Nov
    June dates
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Updated Nov 2, 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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