The points guy ( who I am not the best fan of ) has posted about multi carrier avios redemptions

https://thepointsguy.co.uk/guide/sec...carrier-award/

i have not not seen this on here before.

In essence from what I can tell the benefits are

1 the avios required is based on the total journey distance of all flights as opposed to the sum of the parts

2 premium classes are good value using the old multiples of 3 times for business as opposed to 4

I have not sought to sit down at a computer and do some worked examples ( you have to book by phone anyway ) but for the right combination of flights it could be interesting.