Originally Posted by
Captain Schmidt
"When travelling wholly within the UK, there is no requirement from British Airways to carry any photographic identification."
*Unless checking in luggage.
https://www.britishairways.com/trave...=searchResults
Please note that a passport or photo identification will be required if you are checking in luggage on a UK domestic flight, or if you are connecting with an onward international flight.
Children under the age of 16 years old do not require identification to travel within the UK.