Most Popular Route
|SCK to LAS|
Knoxville McGhee Tyson, Orlando Sanford Intl, and Las Vegas Harry Reid Intl are the top three Allegiant Air airports based on our airline data. This may change if Allegiant Air makes updates to their flight routes due to supply and demand.
A flight from Asheville Regional to Fort Lauderdale, which has 0 stops, is S$ 77 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 Las Vegas Harry Reid Intl (0 stops) for S$ 37.
Allegiant Air does not have flights from Singapore Changi at the moment. There are scheduled flights with Allegiant Air out of Bellingham though (if you don’t mind flying from this airport). Flying with Southwest is recommended if you still want to fly from Singapore Changi.