As of December 2025 Allegiant Air has a market cap of ยฃ1.13 Billion. This makes Allegiant Air the world's 5173th most valuable company by market cap according to our data. The market capitalization, commonly called market cap, is the total market value of a publicly traded company's outstanding shares and is commonly used to measure how much a company is worth.
On Dec 9th, 2025 the market cap of Allegiant Air was reported to be: