Book United London to St. Louis flight deals from $1,356

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A view of the St. Louis Arch

Plan ahead for flights from London to St. Louis

London (LHR)
to St. Louis (STL)
Depart Wed 29 Aug 2018
Return Wed 5 Sep 2018
from$ 1,356*Viewed: 1 day ago
London (LHR)
to St. Louis (STL)
Depart Sun 19 Aug 2018
Return Sun 26 Aug 2018
from$ 1,822*Viewed: 1 day ago
*Prices have been available for round trips within the last 48 hours and may not be currently available. Fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply.

Weather in St. Louis

81 °FThursday07/19/2018
84 °FFriday07/20/2018
84 °FSaturday07/21/2018
79 °FSunday07/22/2018
83 °FMonday07/23/2018
86 °FTuesday07/24/2018
78 °FWednesday07/25/2018
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