You must check-in to your flights online between 24 and 1 hour before your flight departs.
You are able to access this on the airline's website or app.
On the Website:
1. Go to TUI online check-in.
2. Provide the surname of the lead passenger on your booking and the TUI e-ticket reference and your departure date .
3. The TUI reference is a 8-character numeric code shown in the flights section of your Heidi MyBooking account, and on your booking confirmation document.
4. The lead passenger is the first person listed in your Heidi MyBooking account, and on your confirmation document.
On the app
Check if you are automatically signed in to your personal account. If so, please make sure you are signed out before trying to access your booking.
Please follow the yellow circles in the screenshots below: