Frontier nonstop flights from Ontario
5 nonstop destinations on Frontier out of ONT — 8% of everything that departs. Zero layovers, zero connections.
Where Frontier can take you
Dashed arcs = Frontier nonstop routes from ONT · updates with the day filterDrag to pan · scroll with ⌘/Ctrl to zoom · arrow keys when focused
All nonstop destinations from Ontario (ONT) every airline, not just Frontier
Everywhere Frontier flies 72 airports
Where can you fly nonstop on Frontier from Ontario (ONT)?
Frontier flies 5 nonstop routes from Ontario International Airport (ONT), around 48 departures a week — 8% of everything leaving ONT.
Its busiest is Ontario to Las Vegas at 19 Frontier flights a week. Every destination below is also served by at least one other airline from ONT.
Use the day filter above to see which Frontier routes fly on the day you want to travel. Route data updated November 2026 from observed departures.
Frequencies shown are Frontier's own departures, counted from observed schedules. Schedules change — always confirm with the airline before booking.