In January 2026, the latest merger in the US airline industry was announced, and it wasn’t particularly surprising. There’s now an update, as this deal has officially closed . However, among airline mergers, this has to be one of the ones with the fewest implications for customers… at least for now.

Allegiant acquires Sun Country in $1.1 billion deal

This seems like sensible airline consolidation

Bottom line

Allegiant acquires Sun Country in $1.1 billion deal

Allegiant Air and Sun Country Airlines have just completed their merger, whereby Allegiant has acquired Sun Country for $1.5 billion, including taking over $400 million of Sun Country’s net debt (so it’s a roughly $1.1 billion deal). Now that the deal has closed, Allegiant shareholders own around 67% of the company, while Sun Country shareholders own around 33% of the company.

This was a cash and stock transaction at an implied value of $18.89 per Sun Country share.…