Cheapest return STL–LGW flights, October

AirHint found the following cheapest return flights from St. Louis (STL) to London (LGW) in October 2026 (see full year).

Return flights

04 Oct - 11 Oct Frontier Airlines
06 Oct - 12 Oct Frontier Airlines
03 Oct - 10 Oct Frontier Airlines
20 Oct - 26 Oct Frontier Airlines
20 Oct - 25 Oct Frontier Airlines
28 Oct - 04 Nov Frontier Airlines

Also check the deals for one-way flights from St. Louis to London in October.

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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