Cheapest return flights from St. Louis (STL) to London (LHR), October

20 dates in October, from $ 1,028. Book in one tap, or check whether to buy now or wait.

One-wayReturn
Dates, airline, and price
Dates Airline Price
28 Oct 3 Nov Southern Airways Express
28 Oct 4 Nov Air Canada
28 Oct 6 Nov Air Canada
28 Oct 5 Nov Air Canada
20 Oct 27 Oct Delta
18 Oct 27 Oct Delta
18 Oct 26 Oct Air Canada
19 Oct 26 Oct Air Canada
20 Oct 26 Oct Air Canada
28 Oct 2 Nov Air Canada
28 Oct 1 Nov Air Canada
16 Oct 23 Oct Air Canada
28 Oct 7 Nov Air Canada
16 Oct 22 Oct Delta
30 Oct 6 Nov Delta
19 Oct 9 Nov Lufthansa
29 Oct 7 Nov Air Canada
28 Oct 31 Oct Southern Airways Express
28 Oct 29 Oct Southern Airways Express
28 Oct 30 Oct Southern Airways Express
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Deals for one-way flights from St. Louis to London in October.

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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.

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