Allegiant AirDepart09:22
Thu, Nov 12GTF → OKC
7h 22m · 3 stops
$445one way, per person
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- Cheapest fare
- $445
- Cheapest month
- November
- Direct flights
- Not recently
- Quickest trip
- 7h 22m
Allegiant Air · Thu, Nov 12
from $445
Usually 1+ stop
1,760 km
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Cheapest month to fly from Great Falls to Oklahoma City
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 Oklahoma City
Great Falls (GTF) and Oklahoma City (OKC) are about 1,760 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 7h 22m. Over the next few months, one-way fares start from $445, 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 Oklahoma City?
The cheapest one-way fare we've seen recently is $445 with Allegiant Air, departing Thursday, November 12, 2026.
What is the cheapest month to fly from Great Falls to Oklahoma City?
November 2026 currently has the lowest fares, from $445 one way.
Are there direct flights from Great Falls to Oklahoma City?
We haven't seen direct fares recently, so most journeys include at least one stop.
How long is the flight from Great Falls to Oklahoma City?
The quickest journey we've seen takes about 7h 22m. Great Falls and Oklahoma City are around 1,760 km apart.
Which airlines fly from Great Falls to Oklahoma City?
Recent fares on this route were with Allegiant Air.
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