Allegiant AirDepart22:11
Thu, Nov 12GRI → ONT
4h 39m · 2 stops
$302one way, per person
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- Cheapest fare
- $302
- Cheapest month
- November
- Direct flights
- Not recently
- Quickest trip
- 4h 39m
Allegiant Air · Thu, Nov 12
from $302
Usually 1+ stop
1,860 km
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Cheapest month to fly from Grand Island to Ontario
Lowest one-way fare per person in each month. Choose a month to see every date.
Cheapest dates in November 2026
The lowest fares we've seen for each day, cheapest first.
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About flights from Grand Island to Ontario
Grand Island (GRI) and Ontario (ONT) are about 1,860 km apart. We haven't seen direct fares on this route recently, so expect at least one stop; the quickest journey we've seen takes about 4h 39m. Over the next few months, one-way fares start from $302, and November 2026 is currently the cheapest month to fly.
These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.
Frequently asked questions
How much is a flight from Grand Island to Ontario?
The cheapest one-way fare we've seen recently is $302 with Allegiant Air, departing Thursday, November 12, 2026.
What is the cheapest month to fly from Grand Island to Ontario?
November 2026 currently has the lowest fares, from $302 one way.
Are there direct flights from Grand Island to Ontario?
We haven't seen direct fares recently, so most journeys include at least one stop.
How long is the flight from Grand Island to Ontario?
The quickest journey we've seen takes about 4h 39m. Grand Island and Ontario are around 1,860 km apart.
Which airlines fly from Grand Island to Ontario?
Recent fares on this route were with Allegiant Air.
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