Where can I find my ticket number?
Confirmation email (e-ticket receipt)
Mobile app for iPhone
Mobile app for Android
If you booked directly with British Airways, your ticket number will be listed under Payment Information. If you booked with another retailer or travel agent, it may be listed under a different heading.

Your ticket number is listed with your flight's details under 'My bookings'. Past bookings are kept for one month. Ticket numbers are also shown on the mobile boarding pass. If you used this feature for any past flights, these may be saved in your Apple Wallet.

Your ticket number is listed with your flight's details under 'My bookings'. Past bookings are kept for one month.