£426 Cheap British Airways flights from London to St. Louis (LHR→STL)

View £426 flight on Tue, 8 Sept 2026Opens in a new window

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British Airways flights from London to St. Louis (LHR→STL)

Prices were available within the past 7 days and start at £426 for one-way flights and £645 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Wed, 9 Sept - Wed, 23 Sept
LHR
London
STL
St. Louis
£645 Return, found 1 hour ago
£645
Return
found 1 hour ago
Select British Airways flight, departing Wed, 9 Sept from London to St. Louis, returning Wed, 23 Sept, priced at £645 found 1 hour ago
British Airways
Wed, 9 Sept - Wed, 23 Sept
LHR
London
STL
St. Louis
£649 Return, found 1 hour ago
£649
Return
found 1 hour ago
Select British Airways flight, departing Wed, 9 Sept from London to St. Louis, returning Wed, 23 Sept, priced at £649 found 1 hour ago
British Airways
Wed, 16 Sept - Tue, 29 Sept
LHR
London
STL
St. Louis
£661 Return, found 5 days ago
£661
Return
found 5 days ago
Select British Airways flight, departing Wed, 16 Sept from London to St. Louis, returning Tue, 29 Sept, priced at £661 found 5 days ago
British Airways
Wed, 28 Oct - Wed, 4 Nov
LHR
London
STL
St. Louis
£664 Return, found 2 days ago
£664
Return
found 2 days ago
Select British Airways flight, departing Wed, 28 Oct from London to St. Louis, returning Wed, 4 Nov, priced at £664 found 2 days ago
British Airways
Tue, 6 Oct - Tue, 13 Oct
LHR
London
STL
St. Louis
£668 Return, found 7 hours ago
£668
Return
found 7 hours ago
Select British Airways flight, departing Tue, 6 Oct from London to St. Louis, returning Tue, 13 Oct, priced at £668 found 7 hours ago
British Airways
Tue, 8 Sept - Tue, 22 Sept
LHR
London
STL
St. Louis
£670 Return, found 1 hour ago
£670
Return
found 1 hour ago
Select British Airways flight, departing Tue, 8 Sept from London to St. Louis, returning Tue, 22 Sept, priced at £670 found 1 hour ago
British Airways
Tue, 8 Sept - Tue, 15 Sept
LHR
London
STL
St. Louis
£672 Return, found 7 hours ago
£672
Return
found 7 hours ago
Select British Airways flight, departing Tue, 8 Sept from London to St. Louis, returning Tue, 15 Sept, priced at £672 found 7 hours ago

Alternative airports near St. Louis

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Lambert-St. Louis Intl. STL. Cheapest option available. Average driving time to city centre is 20 minutes. Flights from £735
STL
Lambert-St. Louis Intl.
Cheapest
Average driving time to city centre20 min
Flights from £735

Travel information

Origin airport
Heathrow
Destination airport
Lambert-St. Louis Intl.
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, KLM, Lufthansa, Turkish Airlines, United, Virgin Atlantic
Popular airline
KLM
Distance
6703 km
Average flight time
9 hours 5 mins

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