Cheapest return flights from St. Louis to London in January from $529

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

Return flights

21 Jan - 28 Jan British Airways
11 Jan - 18 Jan British Airways
26 Jan - 02 Feb British Airways
05 Jan - 31 Jan Finnair
06 Jan - 13 Jan British Airways
31 Jan - 07 Feb British Airways
01 Jan - 08 Jan British Airways
14 Jan - 16 Jan Delta
16 Jan - 23 Jan British Airways

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

Skyscanner

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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