As of February 2026 Allegiant Air has a market cap of โน170.97 Billion. This makes Allegiant Air the world's 4888th 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 Feb 25th, 2026 the market cap of Allegiant Air was reported to be: