Flights from Great Falls International Airport to Arizona

Flying from Great Falls International Airport to Arizona

Arm yourself with these facts on the fly.
Cheapest flight found£79, Phoenix
Cheapest month to flyJanuary
Average flight time2 hrs, 31 mins
Average flights per week3
Most popular airlineAllegiant Air

Frequently asked questions

Yes - direct flights currently operate from Great Falls International Airport to Phoenix-Mesa Gateway Airport in Arizona.
We looked at all of the upcoming return flights from Great Falls International Airport to Arizona we could find over the next 12 months. It looks like £79 is the best price. This is good, compared to the average Arizona ticket price of £191.
The cheapest month to fly from Great Falls International Airport to Tucson International Airport is currently August.
The cheapest month to fly from Great Falls International Airport to Phoenix-Mesa Gateway Airport is usually January.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Great Falls International Airport to Arizona on Thursday, 15 January 2026.
If you're flying from Great Falls International, the cheapest city in Arizona to fly into is Phoenix. The cheapest airport serving Phoenix at the moment is Phoenix-Mesa Gateway.
The average flight time between Great Falls International Airport and Arizona is 2 hours and 31 minutes.