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

Return flights

12 Nov - 19 Nov	British Airways
06 Nov - 11 Nov	Delta
02 Nov - 09 Nov	British Airways
17 Nov - 24 Nov	British Airways
27 Nov - 04 Dec	British Airways
07 Nov - 14 Nov	British Airways
22 Nov - 29 Nov	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.

Book a cheap hotel in London

Cheap car rent in London

Cheapest return flights from St. Louis to London in November from 456€

Return flights