This depends on the type of airline you are flying with. There are two options:
1. Low-cost airlines (such as Ryanair, easyJet, Transavia, Wizz Air, Tui, Corendon)
With low-cost airlines, you can find your booking reference on the booking confirmation e-mail. You can also find your booking confirmation on MijnTix. Click here to read general information on online check-in with low-cost airlines.
2. Other airlines
You can find your booking reference and/or ticket numbers in the ticket e-mail, we will send no later than 22 days after booking. Click here to read general information on online check-in.
NOTE: Your ticket number(s) and/or booking reference do not come with the booking confirmation we send to you via email immediately after booking, but only in your ticket e-mail.