Direct (nonstop) flights from Mesa to Idaho Falls
1 airline flys nonstop from Phoenix–Mesa Gateway Airport (AZA) to Idaho Falls Rgnl (IDA). It's 704 miles (1,133 km), about 2h in the air. Operated by Allegiant Air.
Allegiant Air
Route data last updated: May 31, 2026
Airlines with non-stop flights
Alternative Routes
Other ways to fly from Mesa to Idaho Falls with one stop · direct emits 130 kg CO₂ per passenger
Looking for the return flight?
IDA → AZA: Flights from Idaho Falls to MesaOther direct flights from Mesa
Direct flights from Idaho Falls (IDA)
Frequently Asked Questions
How long is the direct flight from Mesa to Idaho Falls?
A nonstop flight from Mesa (AZA) to Idaho Falls (IDA) takes approximately 2 hours. The distance is 704 miles (1,133 km).
Which airlines fly nonstop from Mesa to Idaho Falls?
Just Allegiant Air.
Is there a nonstop flight from Mesa to Idaho Falls?
Yes. 1 airline: Allegiant Air.
How far is Mesa from Idaho Falls?
The flight distance from Mesa to Idaho Falls is 704 miles (1,133 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as the length of Italy.
What type of aircraft flies from Mesa to Idaho Falls?
At 2h, this route typically uses narrow-body aircraft — Boeing 737 or Airbus A320. Varies by airline.
What is the carbon footprint of a flight from Mesa to Idaho Falls?
Roughly 130 kg CO2 per passenger one-way. That's about the same as driving 650 km.
Is the return flight from Idaho Falls to Mesa also nonstop?
Yes — nonstop flights run both ways. Flight time may differ slightly due to wind patterns.
When is the cheapest time to fly from Mesa to Idaho Falls?
Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. 3-6 weeks ahead is a good window for this route. Use "Check Prices" above to compare.
How early should I arrive at Phoenix–Mesa Gateway Airport for this flight?
1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.