Cheapest return flights from St. Louis to London in January from $505

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

Return flights

27 Jan - 03 Feb British Airways
07 Jan - 14 Jan British Airways
01 Jan - 09 Jan Delta
02 Jan - 09 Jan Delta
29 Jan - 12 Feb Delta
02 Jan - 10 Jan Delta
17 Jan - 24 Jan British Airways
05 Jan - 10 Jan Air Canada

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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