Ontario CA to Belgrade (ONT → BEG). We are tracking 5 fares on this route.
Cheapest tracked fare $348 · typical price $568 · you save about $220 (39%)
Cheapest fares we're tracking
Airline
Departs
Stops
Price
—
2027-05-09
2 stops
$348
—
2026-11-04
3 stops
$368
—
2027-02-03
2 stops
$396
—
2026-11-08
2 stops
$478
—
2026-10-21
2 stops
$490
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 Belgrade get?
The cheapest fare we have tracked on this route is $348, compared with a typical $568 for a trip of this distance.
Is it cheaper to fly to Belgrade 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 Belgrade 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.