Title: £379 Cheap United flights from London to St. Louis (LHR→STL) - Expedia.co.uk

  

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# £379 Cheap United flights from London to St. Louis (LHR→STL)

[View £379 flight on Mon, 2 Feb 2026](https://expedia.co.uk/Flights-Search?trip=oneway&leg1=from:LHR,to:STL,departure:02/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:378.62&airProductToken=AQpsCjQI1YIBEgM5NTkY64kBIK4cKI-LhAMwxI-EAzhLQABYAWoIRUNPQkFTSUNyCEtMWE1WT0JRCjQI1YIBEgQ0MTg1GK4cIPJcKOSQhAMwwZGEAzhLQAFYAWoIRUNPQkFTSUNyCEtMWE1WT0JREgoIARABGAEqAlVBGAEiBAgBEAEoAigDKAQwAQ)

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## United flights from London to St. Louis (LHR→STL)

Prices were available within the past 7 days and start at £379 for one-way flights and £790 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

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One way

Return

![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif)

Wed, 26 Nov - Mon, 1 Dec

LHR

London

STL

St. Louis

£790

Return

found 1 day ago

[](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LHR,to:STL,departure:26/11/2025TANYT&leg2=from:STL,to:LHR,departure:01/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:789.52&airProductToken=AQptCjUI1YIBEgQ5NTQ2GOuJASClBCjmiv4CMMWL_gI4S0AAWAFqCEVDT0JBU0lDcghLTFhNVTVCUQo0CNWCARIEOTA2NhilBCDyXCipjP4CMIuR_gI4S0ABWAFqCEVDT0JBU0lDcghLTFhNVTVCUQpsCjQI1YIBEgQyMDU5GPJcIK4cKPzK_gIwz8v-AjhLQABYAWoIRUNPQkFTSUNyCEtMWE1VNUJRCjQI1YIBEgM5MzgYrhwg64kBKNnM_gIww9D-AjhLQAFYAWoIRUNPQkFTSUNyCEtMWE1VNUJREgoIARABGAEqAlVBGAEiBAgBEAEoAigDKAQwAQ)

## 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, Scandinavian Airlines, United, Virgin Atlantic |
| Popular airline | British Airways |
| Distance | 6703 km |

\*Available to Expedia members.