Allegiant AirDepart09:22
Thu, Nov 12GTF → GRI
4h 56m · 1 stop
$260one way, per person
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- Cheapest fare
- $260
- Cheapest month
- November
- Direct flights
- Not recently
- Quickest trip
- 4h 56m
Allegiant Air · Thu, Nov 12
from $260
Usually 1+ stop
1,260 km
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Cheapest month to fly from Great Falls 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 Great Falls to Grand Island
Great Falls (GTF) and Grand Island (GRI) are about 1,260 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 56m. Over the next few months, one-way fares start from $260, 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 Great Falls to Grand Island?
The cheapest one-way fare we've seen recently is $260 with Allegiant Air, departing Thursday, November 12, 2026.
What is the cheapest month to fly from Great Falls to Grand Island?
November 2026 currently has the lowest fares, from $260 one way.
Are there direct flights from Great Falls to Grand Island?
We haven't seen direct fares recently, so most journeys include at least one stop.
How long is the flight from Great Falls to Grand Island?
The quickest journey we've seen takes about 4h 56m. Great Falls and Grand Island are around 1,260 km apart.
Which airlines fly from Great Falls to Grand Island?
Recent fares on this route were with Allegiant Air.
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