Ontario CA to Newark (ONT → EWR). We are tracking 10 fares on this route.
Cheapest tracked fare $112 · typical price $292 · you save about $180 (62%)
Cheapest fares we're tracking
Airline
Departs
Stops
Price
Frontier Airlines
2026-09-14
1 stop
$112
Frontier Airlines
2026-09-21
1 stop
$114
Frontier Airlines
2026-09-28
1 stop
$130
Frontier Airlines
2026-10-05
1 stop
$146
Alaska Airlines
2026-11-05
1 stop
$180
Alaska Airlines
2026-09-17
1 stop
$188
American Airlines
2026-12-23
1 stop
$220
American Airlines
2026-12-24
1 stop
$220
United Airlines
2026-12-30
1 stop
$228
American Airlines
2026-12-22
1 stop
$242
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 Newark get?
The cheapest fare we have tracked on this route is $112, compared with a typical $292 for a trip of this distance.
Is it cheaper to fly to Newark 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 Newark 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.