British Airways has announced that the following short-haul routes will swap terminals at London Heathrow from Sunday 27 October 2019:
Billund, Hanover and Zagreb will move from Terminal 5 to 3.
Luxembourg and Lyon will move from Terminal 3 to 5.
BA also previously announced that Phoenix will move from Terminal 3 to 5 and San Diego will move from Terminal 5 to 3 on the same date.
For passengers who are connecting at London Heathrow, there are different minimum connection times of 90 minutes for Terminal 3-Terminal 5 connections, and 60 minutes for Terminal 5-Terminal 5 & Terminal 3-Terminal 3 connections.
Passengers with existing bookings should check carefully that their itineraries comply with minimum connection times and contact BA or their travel agent accordingly.
Passengers can check the status of their bookings using the Manage My Booking tool on ba.com
Update: At the time of publication, these changes have not been reflected in timetables on ba.com