Alaska Airlines will not be able to issue Infant tickets for international travel on partner airlines. (takeoffwithmiles.com)
In the case of business and first class travel, even a discounted infant ticket can cost hundreds or even thousands of dollars, just for the privilege of carrying your child on your lap. (thepointsguy.com)
As an added bonus, you can book infant tickets for 10 % of the Avios an adult ticket requires. (thepointsguy.com)