Cheapest return flights from St. Louis to London in April from 695€

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

Return flights

22 Apr - 27 May Delta
03 Apr - 16 Apr Air France
19 Apr - 29 Apr Lufthansa
06 Apr - 12 Apr Frontier Airlines
22 Apr - 28 May Lufthansa
22 Apr - 30 May Lufthansa
20 Apr - 27 May Hawaiian Airlines
21 Apr - 27 May Hawaiian Airlines
22 Apr - 29 May Lufthansa
24 Apr - 14 May Air Canada

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

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