Ontario CA to Nashville (ONT → BNA). We are tracking 5 fares on this route.
Cheapest tracked fare $107 · typical price $236 · you save about $129 (55%)
Cheapest fares we're tracking
Airline
Departs
Stops
Price
—
2026-09-24
1 stop
$107
—
2026-10-20
1 stop
$110
—
2026-09-28
1 stop
$138
Frontier Airlines
2026-10-19
1 stop
$145
Frontier Airlines
2026-11-11
1 stop
$220
Could you save more?
The airport you were going to fly from is often not the cheapest one. Compare every airport in a region against each other, or check whether a multi-day stopover beats the direct fare.
How cheap can flights from Ontario CA to Nashville get?
The cheapest fare we have tracked on this route is $107, compared with a typical $236 for a trip of this distance.
Is it cheaper to fly to Nashville from a different airport?
Often, yes. Fares out of secondary airports are frequently cheaper than the obvious hub, but they are the ones most likely to be missing from a normal search. Our reverse search compares every airport in a region against each other so the cheaper departure point is not hidden.
Could a stopover make Ontario CA to Nashville cheaper?
Sometimes. On thin long-haul routes a two-leg trip with a multi-day stopover can beat the direct fare, and occasionally a direct fare is not sold at all. Our detour search prices those routings against the direct flight.