Reply To: The ‘How to book the return leg with 2-4-1 companion voucher’ thread

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zapato1060 wrote:

Thought this would be best place. One half of 241 used MAD-MEX. Booked on IB separately MIA-MAD. Im I right in thinking that now I could not use the second half of 241 as 2nd flight was not booked on BA?!

You can fly any combination so IB/ IB is fine