Cheapest return flights from St. Louis to London in November from 520€

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

Return flights

17 Nov - 03 Dec Austrian Airlines
28 Nov - 12 Dec Air Canada
18 Nov - 27 Nov Air Canada
29 Nov - 06 Dec Delta
29 Nov - 05 Dec Air Canada
21 Nov - 13 Dec Frontier Airlines
22 Nov - 29 Nov Spirit Airlines
28 Nov - 20 Dec KLM
30 Nov - 20 Dec Air France
21 Nov - 30 Nov Frontier Airlines
20 Nov - 27 Nov Frontier Airlines
26 Nov - 30 Nov Air Canada
27 Nov - 20 Dec United
19 Nov - 22 Nov KLM

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

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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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