The most popular airports for Allegiant Air are Knoxville McGhee Tyson, Orlando Sanford Intl, and Las Vegas Harry Reid Intl according to our data. Flights to or from any of these airports should be available via Allegiant Air year-round.
A flight from Phoenix Sky Harbor Intl to Provo, which has 0 stops, is 264﷼ which is the least expensive round-trip domestic flight that Allegiant Air offers. For a one-way domestic Allegiant Air flight, the cheapest route is Provo to Phoenix Sky Harbor Intl (0 stops) for 123﷼.
Allegiant Air does not have flights from Doha Hamad Intl at the moment. There are scheduled flights with Allegiant Air out of Bangor though (if you don’t mind flying from this airport). Flying with American Airlines is recommended if you still want to fly from Doha Hamad Intl.