Overview

• Service begins April 19, 2026 with four weekly roundtrips on Sundays, Tuesdays, Wednesdays and Fridays, operating as BA221/BA220.
• Published timings list LHR departures at 16:25 arriving STL 19:30, with STL departures at 22:00 arriving LHR 12:05 the next day.
• The route will use a Boeing 787-8 Dreamliner; reporting cites a 204-seat configuration with business, premium economy and economy cabins.
• Tickets are on sale on British Airways’ website, and St. Louis becomes the airline’s 27th U.S. destination.
• The St. Louis County Port Authority led the effort to secure the service, while any financial incentives or guarantees have not been disclosed.