Allegiant AirDepart09:22
Thu, Nov 12GTF → SDF
9h 17m · 3 stops
$393one way, per person
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- Cheapest fare
- $393
- Cheapest month
- November
- Direct flights
- Not recently
- Quickest trip
- 9h 17m
Allegiant Air · Thu, Nov 12
from $393
Usually 1+ stop
2,310 km
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Cheapest month to fly from Great Falls to Louisville
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 Great Falls to Louisville
Great Falls (GTF) and Louisville (SDF) are about 2,310 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 9h 17m. Over the next few months, one-way fares start from $393, 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 Louisville?
The cheapest one-way fare we've seen recently is $393 with Allegiant Air, departing Thursday, November 12, 2026.
What is the cheapest month to fly from Great Falls to Louisville?
November 2026 currently has the lowest fares, from $393 one way.
Are there direct flights from Great Falls to Louisville?
We haven't seen direct fares recently, so most journeys include at least one stop.
How long is the flight from Great Falls to Louisville?
The quickest journey we've seen takes about 9h 17m. Great Falls and Louisville are around 2,310 km apart.
Which airlines fly from Great Falls to Louisville?
Recent fares on this route were with Allegiant Air.
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