The following are a few examples of protests against other airlines involved in deportations.

2015

There are ongoing protests against Qantas for deportations. See for example here.

2007

In 2007, UK-based airline XL Airways announced it would stop deporting people following protests.

1999-2001

There were several campaigns against deporting airlines between 1999 and 2001. Many of them are listed here.

1996

The head office of Martin Air at Schiphol was occupied by protestors. The airline agreed to stop with deportations. More details here.