Cheapest one-way flights from St. Louis (STL) to London (LHR), April

10 dates in April 2027, from $ 342. Book in one tap, or check whether to buy now or wait.

One-wayReturn
Dates, airline, and price
Dates Airline Price
28 Apr 2027 Air Canada
26 Apr 2027 American Airlines
Direct Flight
18 Apr 2027 British Airways
Direct Flight
21 Apr 2027 Air France
10 Apr 2027 Air Canada
30 Apr 2027 Air Canada
29 Apr 2027 Iberia
Direct Flight
21 Apr 2027 British Airways
Direct Flight
22 Apr 2027 American Airlines
Direct Flight
30 Apr 2027 Iberia
Direct Flight
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Deals for return flights from St. Louis to London in April.

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About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

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