Frontier AirlinesDepart20:35
Fri, Nov 13ONT → GRI
5h 44m · 2 stops
$492one way, per person
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- Cheapest fare
- $492
- Cheapest month
- November
- Direct flights
- Not recently
- Quickest trip
- 5h 44m
Frontier Airlines · Fri, Nov 13
from $492
Usually 1+ stop
1,860 km
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Cheapest month to fly from Ontario to Grand Island
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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Where to stay, what to do and getting around, from our travel partners.
About flights from Ontario to Grand Island
Ontario (ONT) and Grand Island (GRI) 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 5h 44m. Over the next few months, one-way fares start from $492, 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 Ontario to Grand Island?
The cheapest one-way fare we've seen recently is $492 with Frontier Airlines, departing Friday, November 13, 2026.
What is the cheapest month to fly from Ontario to Grand Island?
November 2026 currently has the lowest fares, from $492 one way.
Are there direct flights from Ontario to Grand Island?
We haven't seen direct fares recently, so most journeys include at least one stop.
How long is the flight from Ontario to Grand Island?
The quickest journey we've seen takes about 5h 44m. Ontario and Grand Island are around 1,860 km apart.
Which airlines fly from Ontario to Grand Island?
Recent fares on this route were with Frontier Airlines.
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