Nonstop route
Billings to Phoenix nonstop
Yes — Allegiant flies BIL to AZA nonstop year-round — about 4× weekly.
BILBillings
✈
AZAPhoenix
4× weekly4 flights a week
Year-round4/wk Jun vs 3.6/wk Jan
$25–$100typical one-way · median $50
878miles nonstop
Affiliate disclosure
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Fares are what people actually paid: half of the 595 tickets in the US DOT fare survey for this route sold between $25 and $100 one way, median $50. That survey runs a couple of quarters behind, so treat it as the shape of the route's pricing rather than today's quote.
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