Exhibit

We consent to the incorporation by reference in the registration statement (No. 333‑141227, 333-199734 and 333-215624) on Form S-8 of Allegiant Travel Company of our reports dated February 28, 2018, with respect to the consolidated balance sheets of Allegiant Travel Company as of December 31, 2017 and 2016, and the related consolidated statements of income, comprehensive income, shareholders’ equity, and cash flows, for each of the years in the two-year period ended December 31, 2017, and the related notes (collectively, the “consolidated financial statements”) and the effectiveness of internal control over financial reporting as of December 31, 2017, which reports appear in the December 31, 2017 annual report on Form 10‑K of Allegiant Travel Company.