AirHint found the following cheapest return flights from St. Louis (STL) to London (LHR) in November 2025 (see full year).

Return flights

05 Nov - 12 Nov	Delta
12 Nov - 18 Nov	Delta
26 Nov - 04 Dec	Delta
04 Nov - 11 Nov	British Airways
12 Nov - 19 Nov	British Airways
10 Nov - 24 Nov	Delta
02 Nov - 09 Nov	Delta
06 Nov - 13 Nov	British Airways
14 Nov - 21 Nov	British Airways
17 Nov - 24 Nov	British Airways
08 Nov - 16 Nov	Air Canada
26 Nov - 03 Dec	British Airways
29 Nov - 06 Dec	British Airways
21 Nov - 13 Dec	British Airways

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

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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Cheapest return flights from St. Louis to London in November from $521

Return flights